diff -druNp --no-dereference linux-libre-4.15.11-gnu/arch/parisc/kernel/cache.c linux-libre-4.15.12-gnu/arch/parisc/kernel/cache.c
--- linux-libre-4.15.11-gnu/arch/parisc/kernel/cache.c	2018-03-19 04:10:00.000000000 -0400
+++ linux-libre-4.15.12-gnu/arch/parisc/kernel/cache.c	2018-03-21 07:05:48.000000000 -0400
@@ -543,7 +543,8 @@ void flush_cache_mm(struct mm_struct *mm
 	   rp3440, etc.  So, avoid it if the mm isn't too big.  */
 	if ((!IS_ENABLED(CONFIG_SMP) || !arch_irqs_disabled()) &&
 	    mm_total_size(mm) >= parisc_cache_flush_threshold) {
-		flush_tlb_all();
+		if (mm->context)
+			flush_tlb_all();
 		flush_cache_all();
 		return;
 	}
@@ -571,6 +572,8 @@ void flush_cache_mm(struct mm_struct *mm
 			pfn = pte_pfn(*ptep);
 			if (!pfn_valid(pfn))
 				continue;
+			if (unlikely(mm->context))
+				flush_tlb_page(vma, addr);
 			__flush_cache_page(vma, addr, PFN_PHYS(pfn));
 		}
 	}
@@ -579,26 +582,46 @@ void flush_cache_mm(struct mm_struct *mm
 void flush_cache_range(struct vm_area_struct *vma,
 		unsigned long start, unsigned long end)
 {
+	pgd_t *pgd;
+	unsigned long addr;
+
 	if ((!IS_ENABLED(CONFIG_SMP) || !arch_irqs_disabled()) &&
 	    end - start >= parisc_cache_flush_threshold) {
-		flush_tlb_range(vma, start, end);
+		if (vma->vm_mm->context)
+			flush_tlb_range(vma, start, end);
 		flush_cache_all();
 		return;
 	}
 
-	flush_user_dcache_range_asm(start, end);
-	if (vma->vm_flags & VM_EXEC)
-		flush_user_icache_range_asm(start, end);
-	flush_tlb_range(vma, start, end);
+	if (vma->vm_mm->context == mfsp(3)) {
+		flush_user_dcache_range_asm(start, end);
+		if (vma->vm_flags & VM_EXEC)
+			flush_user_icache_range_asm(start, end);
+		flush_tlb_range(vma, start, end);
+		return;
+	}
+
+	pgd = vma->vm_mm->pgd;
+	for (addr = vma->vm_start; addr < vma->vm_end; addr += PAGE_SIZE) {
+		unsigned long pfn;
+		pte_t *ptep = get_ptep(pgd, addr);
+		if (!ptep)
+			continue;
+		pfn = pte_pfn(*ptep);
+		if (pfn_valid(pfn)) {
+			if (unlikely(vma->vm_mm->context))
+				flush_tlb_page(vma, addr);
+			__flush_cache_page(vma, addr, PFN_PHYS(pfn));
+		}
+	}
 }
 
 void
 flush_cache_page(struct vm_area_struct *vma, unsigned long vmaddr, unsigned long pfn)
 {
-	BUG_ON(!vma->vm_mm->context);
-
 	if (pfn_valid(pfn)) {
-		flush_tlb_page(vma, vmaddr);
+		if (likely(vma->vm_mm->context))
+			flush_tlb_page(vma, vmaddr);
 		__flush_cache_page(vma, vmaddr, PFN_PHYS(pfn));
 	}
 }
diff -druNp --no-dereference linux-libre-4.15.11-gnu/arch/x86/include/asm/cpufeatures.h linux-libre-4.15.12-gnu/arch/x86/include/asm/cpufeatures.h
--- linux-libre-4.15.11-gnu/arch/x86/include/asm/cpufeatures.h	2018-03-19 04:10:00.000000000 -0400
+++ linux-libre-4.15.12-gnu/arch/x86/include/asm/cpufeatures.h	2018-03-21 07:05:48.000000000 -0400
@@ -314,6 +314,7 @@
 #define X86_FEATURE_VPCLMULQDQ		(16*32+10) /* Carry-Less Multiplication Double Quadword */
 #define X86_FEATURE_AVX512_VNNI		(16*32+11) /* Vector Neural Network Instructions */
 #define X86_FEATURE_AVX512_BITALG	(16*32+12) /* Support for VPOPCNT[B,W] and VPSHUF-BITQMB instructions */
+#define X86_FEATURE_TME			(16*32+13) /* Intel Total Memory Encryption */
 #define X86_FEATURE_AVX512_VPOPCNTDQ	(16*32+14) /* POPCNT for vectors of DW/QW */
 #define X86_FEATURE_LA57		(16*32+16) /* 5-level page tables */
 #define X86_FEATURE_RDPID		(16*32+22) /* RDPID instruction */
@@ -326,6 +327,7 @@
 /* Intel-defined CPU features, CPUID level 0x00000007:0 (EDX), word 18 */
 #define X86_FEATURE_AVX512_4VNNIW	(18*32+ 2) /* AVX-512 Neural Network Instructions */
 #define X86_FEATURE_AVX512_4FMAPS	(18*32+ 3) /* AVX-512 Multiply Accumulation Single precision */
+#define X86_FEATURE_PCONFIG		(18*32+18) /* Intel PCONFIG */
 #define X86_FEATURE_SPEC_CTRL		(18*32+26) /* "" Speculation Control (IBRS + IBPB) */
 #define X86_FEATURE_INTEL_STIBP		(18*32+27) /* "" Single Thread Indirect Branch Predictors */
 #define X86_FEATURE_ARCH_CAPABILITIES	(18*32+29) /* IA32_ARCH_CAPABILITIES MSR (Intel) */
diff -druNp --no-dereference linux-libre-4.15.11-gnu/arch/x86/include/asm/nospec-branch.h linux-libre-4.15.12-gnu/arch/x86/include/asm/nospec-branch.h
--- linux-libre-4.15.11-gnu/arch/x86/include/asm/nospec-branch.h	2018-03-19 04:10:00.000000000 -0400
+++ linux-libre-4.15.12-gnu/arch/x86/include/asm/nospec-branch.h	2018-03-21 07:05:48.000000000 -0400
@@ -183,7 +183,10 @@
  * otherwise we'll run out of registers. We don't care about CET
  * here, anyway.
  */
-# define CALL_NOSPEC ALTERNATIVE("call *%[thunk_target]\n",	\
+# define CALL_NOSPEC						\
+	ALTERNATIVE(						\
+	ANNOTATE_RETPOLINE_SAFE					\
+	"call *%[thunk_target]\n",				\
 	"       jmp    904f;\n"					\
 	"       .align 16\n"					\
 	"901:	call   903f;\n"					\
diff -druNp --no-dereference linux-libre-4.15.11-gnu/arch/x86/kernel/cpu/intel.c linux-libre-4.15.12-gnu/arch/x86/kernel/cpu/intel.c
--- linux-libre-4.15.11-gnu/arch/x86/kernel/cpu/intel.c	2018-03-19 04:10:00.000000000 -0400
+++ linux-libre-4.15.12-gnu/arch/x86/kernel/cpu/intel.c	2018-03-21 07:05:48.000000000 -0400
@@ -105,7 +105,7 @@ static void probe_xeon_phi_r3mwait(struc
 /*
  * Early microcode releases for the Spectre v2 mitigation were broken.
  * Information taken from;
- * - https://newsroom.intel.com/wp-content/uploads/sites/11/2018/01/microcode-update-guidance.pdf
+ * - https://newsroom.intel.com/wp-content/uploads/sites/11/2018/03/microcode-update-guidance.pdf
  * - https://kb.vmware.com/s/article/52345
  * - Microcode revisions observed in the wild
  * - Release note from 20180108 microcode release
@@ -123,7 +123,6 @@ static const struct sku_microcode spectr
 	{ INTEL_FAM6_KABYLAKE_MOBILE,	0x09,	0x80 },
 	{ INTEL_FAM6_SKYLAKE_X,		0x03,	0x0100013e },
 	{ INTEL_FAM6_SKYLAKE_X,		0x04,	0x0200003c },
-	{ INTEL_FAM6_SKYLAKE_DESKTOP,	0x03,	0xc2 },
 	{ INTEL_FAM6_BROADWELL_CORE,	0x04,	0x28 },
 	{ INTEL_FAM6_BROADWELL_GT3E,	0x01,	0x1b },
 	{ INTEL_FAM6_BROADWELL_XEON_D,	0x02,	0x14 },
diff -druNp --no-dereference linux-libre-4.15.11-gnu/arch/x86/kernel/vm86_32.c linux-libre-4.15.12-gnu/arch/x86/kernel/vm86_32.c
--- linux-libre-4.15.11-gnu/arch/x86/kernel/vm86_32.c	2018-03-19 04:10:00.000000000 -0400
+++ linux-libre-4.15.12-gnu/arch/x86/kernel/vm86_32.c	2018-03-21 07:05:48.000000000 -0400
@@ -727,7 +727,8 @@ void handle_vm86_fault(struct kernel_vm8
 	return;
 
 check_vip:
-	if (VEFLAGS & X86_EFLAGS_VIP) {
+	if ((VEFLAGS & (X86_EFLAGS_VIP | X86_EFLAGS_VIF)) ==
+	    (X86_EFLAGS_VIP | X86_EFLAGS_VIF)) {
 		save_v86_state(regs, VM86_STI);
 		return;
 	}
diff -druNp --no-dereference linux-libre-4.15.11-gnu/arch/x86/kvm/mmu.c linux-libre-4.15.12-gnu/arch/x86/kvm/mmu.c
--- linux-libre-4.15.11-gnu/arch/x86/kvm/mmu.c	2018-03-19 04:10:00.000000000 -0400
+++ linux-libre-4.15.12-gnu/arch/x86/kvm/mmu.c	2018-03-21 07:05:48.000000000 -0400
@@ -2758,8 +2758,10 @@ static int set_spte(struct kvm_vcpu *vcp
 	else
 		pte_access &= ~ACC_WRITE_MASK;
 
+	if (!kvm_is_mmio_pfn(pfn))
+		spte |= shadow_me_mask;
+
 	spte |= (u64)pfn << PAGE_SHIFT;
-	spte |= shadow_me_mask;
 
 	if (pte_access & ACC_WRITE_MASK) {
 
diff -druNp --no-dereference linux-libre-4.15.11-gnu/arch/x86/mm/fault.c linux-libre-4.15.12-gnu/arch/x86/mm/fault.c
--- linux-libre-4.15.11-gnu/arch/x86/mm/fault.c	2018-03-19 04:10:00.000000000 -0400
+++ linux-libre-4.15.12-gnu/arch/x86/mm/fault.c	2018-03-21 07:05:48.000000000 -0400
@@ -330,7 +330,7 @@ static noinline int vmalloc_fault(unsign
 	if (!pmd_k)
 		return -1;
 
-	if (pmd_huge(*pmd_k))
+	if (pmd_large(*pmd_k))
 		return 0;
 
 	pte_k = pte_offset_kernel(pmd_k, address);
@@ -475,7 +475,7 @@ static noinline int vmalloc_fault(unsign
 	if (pud_none(*pud) || pud_pfn(*pud) != pud_pfn(*pud_ref))
 		BUG();
 
-	if (pud_huge(*pud))
+	if (pud_large(*pud))
 		return 0;
 
 	pmd = pmd_offset(pud, address);
@@ -486,7 +486,7 @@ static noinline int vmalloc_fault(unsign
 	if (pmd_none(*pmd) || pmd_pfn(*pmd) != pmd_pfn(*pmd_ref))
 		BUG();
 
-	if (pmd_huge(*pmd))
+	if (pmd_large(*pmd))
 		return 0;
 
 	pte_ref = pte_offset_kernel(pmd_ref, address);
diff -druNp --no-dereference linux-libre-4.15.11-gnu/Documentation/devicetree/bindings/usb/dwc2.txt linux-libre-4.15.12-gnu/Documentation/devicetree/bindings/usb/dwc2.txt
--- linux-libre-4.15.11-gnu/Documentation/devicetree/bindings/usb/dwc2.txt	2018-03-19 04:10:00.000000000 -0400
+++ linux-libre-4.15.12-gnu/Documentation/devicetree/bindings/usb/dwc2.txt	2018-03-21 07:05:48.000000000 -0400
@@ -19,7 +19,7 @@ Required properties:
   configured in FS mode;
   - "st,stm32f4x9-hsotg": The DWC2 USB HS controller instance in STM32F4x9 SoCs
   configured in HS mode;
-  - "st,stm32f7xx-hsotg": The DWC2 USB HS controller instance in STM32F7xx SoCs
+  - "st,stm32f7-hsotg": The DWC2 USB HS controller instance in STM32F7 SoCs
     configured in HS mode;
 - reg : Should contain 1 register range (address and length)
 - interrupts : Should contain 1 interrupt
diff -druNp --no-dereference linux-libre-4.15.11-gnu/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c linux-libre-4.15.12-gnu/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c
--- linux-libre-4.15.11-gnu/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c	2018-03-19 04:10:00.000000000 -0400
+++ linux-libre-4.15.12-gnu/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c	2018-03-21 07:05:48.000000000 -0400
@@ -69,25 +69,18 @@ void amdgpu_connector_hotplug(struct drm
 		/* don't do anything if sink is not display port, i.e.,
 		 * passive dp->(dvi|hdmi) adaptor
 		 */
-		if (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
-			int saved_dpms = connector->dpms;
-			/* Only turn off the display if it's physically disconnected */
-			if (!amdgpu_display_hpd_sense(adev, amdgpu_connector->hpd.hpd)) {
-				drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
-			} else if (amdgpu_atombios_dp_needs_link_train(amdgpu_connector)) {
-				/* Don't try to start link training before we
-				 * have the dpcd */
-				if (amdgpu_atombios_dp_get_dpcd(amdgpu_connector))
-					return;
+		if (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT &&
+		    amdgpu_display_hpd_sense(adev, amdgpu_connector->hpd.hpd) &&
+		    amdgpu_atombios_dp_needs_link_train(amdgpu_connector)) {
+			/* Don't start link training before we have the DPCD */
+			if (amdgpu_atombios_dp_get_dpcd(amdgpu_connector))
+				return;
 
-				/* set it to OFF so that drm_helper_connector_dpms()
-				 * won't return immediately since the current state
-				 * is ON at this point.
-				 */
-				connector->dpms = DRM_MODE_DPMS_OFF;
-				drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
-			}
-			connector->dpms = saved_dpms;
+			/* Turn the connector off and back on immediately, which
+			 * will trigger link training
+			 */
+			drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
+			drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
 		}
 	}
 }
diff -druNp --no-dereference linux-libre-4.15.11-gnu/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c linux-libre-4.15.12-gnu/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
--- linux-libre-4.15.11-gnu/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c	2018-03-19 04:10:00.000000000 -0400
+++ linux-libre-4.15.12-gnu/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c	2018-03-21 07:05:48.000000000 -0400
@@ -36,8 +36,6 @@ void amdgpu_gem_object_free(struct drm_g
 	struct amdgpu_bo *robj = gem_to_amdgpu_bo(gobj);
 
 	if (robj) {
-		if (robj->gem_base.import_attach)
-			drm_prime_gem_destroy(&robj->gem_base, robj->tbo.sg);
 		amdgpu_mn_unregister(robj);
 		amdgpu_bo_unref(&robj);
 	}
diff -druNp --no-dereference linux-libre-4.15.11-gnu/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c linux-libre-4.15.12-gnu/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
--- linux-libre-4.15.11-gnu/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c	2018-03-19 04:10:00.000000000 -0400
+++ linux-libre-4.15.12-gnu/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c	2018-03-21 07:05:48.000000000 -0400
@@ -44,6 +44,8 @@ static void amdgpu_ttm_bo_destroy(struct
 
 	amdgpu_bo_kunmap(bo);
 
+	if (bo->gem_base.import_attach)
+		drm_prime_gem_destroy(&bo->gem_base, bo->tbo.sg);
 	drm_gem_object_release(&bo->gem_base);
 	amdgpu_bo_unref(&bo->parent);
 	if (!list_empty(&bo->shadow_list)) {
diff -druNp --no-dereference linux-libre-4.15.11-gnu/drivers/gpu/drm/nouveau/nouveau_backlight.c linux-libre-4.15.12-gnu/drivers/gpu/drm/nouveau/nouveau_backlight.c
--- linux-libre-4.15.11-gnu/drivers/gpu/drm/nouveau/nouveau_backlight.c	2018-03-19 04:10:00.000000000 -0400
+++ linux-libre-4.15.12-gnu/drivers/gpu/drm/nouveau/nouveau_backlight.c	2018-03-21 07:05:48.000000000 -0400
@@ -268,13 +268,13 @@ nouveau_backlight_init(struct drm_device
 	struct nvif_device *device = &drm->client.device;
 	struct drm_connector *connector;
 
+	INIT_LIST_HEAD(&drm->bl_connectors);
+
 	if (apple_gmux_present()) {
 		NV_INFO(drm, "Apple GMUX detected: not registering Nouveau backlight interface\n");
 		return 0;
 	}
 
-	INIT_LIST_HEAD(&drm->bl_connectors);
-
 	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 		if (connector->connector_type != DRM_MODE_CONNECTOR_LVDS &&
 		    connector->connector_type != DRM_MODE_CONNECTOR_eDP)
diff -druNp --no-dereference linux-libre-4.15.11-gnu/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.c linux-libre-4.15.12-gnu/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.c
--- linux-libre-4.15.11-gnu/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.c	2018-03-19 04:10:00.000000000 -0400
+++ linux-libre-4.15.12-gnu/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.c	2018-03-21 07:05:48.000000000 -0400
@@ -1354,7 +1354,7 @@ nvkm_vmm_get_locked(struct nvkm_vmm *vmm
 
 		tail = this->addr + this->size;
 		if (vmm->func->page_block && next && next->page != p)
-			tail = ALIGN_DOWN(addr, vmm->func->page_block);
+			tail = ALIGN_DOWN(tail, vmm->func->page_block);
 
 		if (addr <= tail && tail - addr >= size) {
 			rb_erase(&this->tree, &vmm->free);
diff -druNp --no-dereference linux-libre-4.15.11-gnu/drivers/gpu/drm/radeon/radeon_gem.c linux-libre-4.15.12-gnu/drivers/gpu/drm/radeon/radeon_gem.c
--- linux-libre-4.15.11-gnu/drivers/gpu/drm/radeon/radeon_gem.c	2018-03-19 04:10:00.000000000 -0400
+++ linux-libre-4.15.12-gnu/drivers/gpu/drm/radeon/radeon_gem.c	2018-03-21 07:05:48.000000000 -0400
@@ -34,8 +34,6 @@ void radeon_gem_object_free(struct drm_g
 	struct radeon_bo *robj = gem_to_radeon_bo(gobj);
 
 	if (robj) {
-		if (robj->gem_base.import_attach)
-			drm_prime_gem_destroy(&robj->gem_base, robj->tbo.sg);
 		radeon_mn_unregister(robj);
 		radeon_bo_unref(&robj);
 	}
diff -druNp --no-dereference linux-libre-4.15.11-gnu/drivers/gpu/drm/radeon/radeon_object.c linux-libre-4.15.12-gnu/drivers/gpu/drm/radeon/radeon_object.c
--- linux-libre-4.15.11-gnu/drivers/gpu/drm/radeon/radeon_object.c	2018-03-19 04:10:00.000000000 -0400
+++ linux-libre-4.15.12-gnu/drivers/gpu/drm/radeon/radeon_object.c	2018-03-21 07:05:48.000000000 -0400
@@ -82,6 +82,8 @@ static void radeon_ttm_bo_destroy(struct
 	mutex_unlock(&bo->rdev->gem.mutex);
 	radeon_bo_clear_surface_reg(bo);
 	WARN_ON_ONCE(!list_empty(&bo->va));
+	if (bo->gem_base.import_attach)
+		drm_prime_gem_destroy(&bo->gem_base, bo->tbo.sg);
 	drm_gem_object_release(&bo->gem_base);
 	kfree(bo);
 }
diff -druNp --no-dereference linux-libre-4.15.11-gnu/drivers/infiniband/sw/rdmavt/mr.c linux-libre-4.15.12-gnu/drivers/infiniband/sw/rdmavt/mr.c
--- linux-libre-4.15.11-gnu/drivers/infiniband/sw/rdmavt/mr.c	2018-03-19 04:10:00.000000000 -0400
+++ linux-libre-4.15.12-gnu/drivers/infiniband/sw/rdmavt/mr.c	2018-03-21 07:05:48.000000000 -0400
@@ -489,11 +489,13 @@ static int rvt_check_refs(struct rvt_mre
 	unsigned long timeout;
 	struct rvt_dev_info *rdi = ib_to_rvt(mr->pd->device);
 
-	if (percpu_ref_is_zero(&mr->refcount))
-		return 0;
-	/* avoid dma mr */
-	if (mr->lkey)
+	if (mr->lkey) {
+		/* avoid dma mr */
 		rvt_dereg_clean_qps(mr);
+		/* @mr was indexed on rcu protected @lkey_table */
+		synchronize_rcu();
+	}
+
 	timeout = wait_for_completion_timeout(&mr->comp, 5 * HZ);
 	if (!timeout) {
 		rvt_pr_err(rdi,
diff -druNp --no-dereference linux-libre-4.15.11-gnu/drivers/irqchip/irq-gic-v3-its.c linux-libre-4.15.12-gnu/drivers/irqchip/irq-gic-v3-its.c
--- linux-libre-4.15.11-gnu/drivers/irqchip/irq-gic-v3-its.c	2018-03-19 04:10:00.000000000 -0400
+++ linux-libre-4.15.12-gnu/drivers/irqchip/irq-gic-v3-its.c	2018-03-21 07:05:48.000000000 -0400
@@ -1412,7 +1412,7 @@ static struct irq_chip its_irq_chip = {
  * This gives us (((1UL << id_bits) - 8192) >> 5) possible allocations.
  */
 #define IRQS_PER_CHUNK_SHIFT	5
-#define IRQS_PER_CHUNK		(1 << IRQS_PER_CHUNK_SHIFT)
+#define IRQS_PER_CHUNK		(1UL << IRQS_PER_CHUNK_SHIFT)
 #define ITS_MAX_LPI_NRBITS	16 /* 64K LPIs */
 
 static unsigned long *lpi_bitmap;
@@ -2119,11 +2119,10 @@ static struct its_device *its_create_dev
 
 	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
 	/*
-	 * At least one bit of EventID is being used, hence a minimum
-	 * of two entries. No, the architecture doesn't let you
-	 * express an ITT with a single entry.
+	 * We allocate at least one chunk worth of LPIs bet device,
+	 * and thus that many ITEs. The device may require less though.
 	 */
-	nr_ites = max(2UL, roundup_pow_of_two(nvecs));
+	nr_ites = max(IRQS_PER_CHUNK, roundup_pow_of_two(nvecs));
 	sz = nr_ites * its->ite_size;
 	sz = max(sz, ITS_ITT_ALIGN) + ITS_ITT_ALIGN - 1;
 	itt = kzalloc(sz, GFP_KERNEL);
diff -druNp --no-dereference linux-libre-4.15.11-gnu/drivers/nvme/host/core.c linux-libre-4.15.12-gnu/drivers/nvme/host/core.c
--- linux-libre-4.15.11-gnu/drivers/nvme/host/core.c	2018-03-19 04:10:00.000000000 -0400
+++ linux-libre-4.15.12-gnu/drivers/nvme/host/core.c	2018-03-21 07:05:48.000000000 -0400
@@ -2052,6 +2052,22 @@ static const struct attribute_group *nvm
 	NULL,
 };
 
+static int nvme_active_ctrls(struct nvme_subsystem *subsys)
+{
+	int count = 0;
+	struct nvme_ctrl *ctrl;
+
+	mutex_lock(&subsys->lock);
+	list_for_each_entry(ctrl, &subsys->ctrls, subsys_entry) {
+		if (ctrl->state != NVME_CTRL_DELETING &&
+		    ctrl->state != NVME_CTRL_DEAD)
+			count++;
+	}
+	mutex_unlock(&subsys->lock);
+
+	return count;
+}
+
 static int nvme_init_subsystem(struct nvme_ctrl *ctrl, struct nvme_id_ctrl *id)
 {
 	struct nvme_subsystem *subsys, *found;
@@ -2090,7 +2106,7 @@ static int nvme_init_subsystem(struct nv
 		 * Verify that the subsystem actually supports multiple
 		 * controllers, else bail out.
 		 */
-		if (!(id->cmic & (1 << 1))) {
+		if (nvme_active_ctrls(found) && !(id->cmic & (1 << 1))) {
 			dev_err(ctrl->device,
 				"ignoring ctrl due to duplicate subnqn (%s).\n",
 				found->subnqn);
diff -druNp --no-dereference linux-libre-4.15.11-gnu/drivers/phy/broadcom/phy-brcm-usb.c linux-libre-4.15.12-gnu/drivers/phy/broadcom/phy-brcm-usb.c
--- linux-libre-4.15.11-gnu/drivers/phy/broadcom/phy-brcm-usb.c	2018-03-19 04:10:00.000000000 -0400
+++ linux-libre-4.15.12-gnu/drivers/phy/broadcom/phy-brcm-usb.c	2018-03-21 07:05:48.000000000 -0400
@@ -338,9 +338,9 @@ static int brcm_usb_phy_probe(struct pla
 			      ARRAY_SIZE(brcm_dr_mode_to_name),
 			mode, &priv->ini.mode);
 	}
-	if (of_property_read_bool(dn, "brcm,has_xhci"))
+	if (of_property_read_bool(dn, "brcm,has-xhci"))
 		priv->has_xhci = true;
-	if (of_property_read_bool(dn, "brcm,has_eohci"))
+	if (of_property_read_bool(dn, "brcm,has-eohci"))
 		priv->has_eohci = true;
 
 	err = brcm_usb_phy_dvr_init(dev, priv, dn);
diff -druNp --no-dereference linux-libre-4.15.11-gnu/drivers/phy/broadcom/phy-brcm-usb-init.c linux-libre-4.15.12-gnu/drivers/phy/broadcom/phy-brcm-usb-init.c
--- linux-libre-4.15.11-gnu/drivers/phy/broadcom/phy-brcm-usb-init.c	2018-03-19 04:10:00.000000000 -0400
+++ linux-libre-4.15.12-gnu/drivers/phy/broadcom/phy-brcm-usb-init.c	2018-03-21 07:05:48.000000000 -0400
@@ -50,6 +50,8 @@
 #define   USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK		0x80000000 /* option */
 #define USB_CTRL_EBRIDGE		0x0c
 #define   USB_CTRL_EBRIDGE_ESTOP_SCB_REQ_MASK		0x00020000 /* option */
+#define USB_CTRL_OBRIDGE		0x10
+#define   USB_CTRL_OBRIDGE_LS_KEEP_ALIVE_MASK		0x08000000
 #define USB_CTRL_MDIO			0x14
 #define USB_CTRL_MDIO2			0x18
 #define USB_CTRL_UTMI_CTL_1		0x2c
@@ -71,6 +73,7 @@
 #define   USB_CTRL_USB30_CTL1_USB3_IPP_MASK		0x20000000 /* option */
 #define USB_CTRL_USB30_PCTL		0x70
 #define   USB_CTRL_USB30_PCTL_PHY3_SOFT_RESETB_MASK	0x00000002
+#define   USB_CTRL_USB30_PCTL_PHY3_IDDQ_OVERRIDE_MASK	0x00008000
 #define   USB_CTRL_USB30_PCTL_PHY3_SOFT_RESETB_P1_MASK	0x00020000
 #define USB_CTRL_USB_DEVICE_CTL1	0x90
 #define   USB_CTRL_USB_DEVICE_CTL1_PORT_MODE_MASK	0x00000003 /* option */
@@ -116,7 +119,6 @@ enum {
 	USB_CTRL_SETUP_STRAP_IPP_SEL_SELECTOR,
 	USB_CTRL_SETUP_OC3_DISABLE_SELECTOR,
 	USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_SELECTOR,
-	USB_CTRL_EBRIDGE_ESTOP_SCB_REQ_SELECTOR,
 	USB_CTRL_USB_PM_BDC_SOFT_RESETB_SELECTOR,
 	USB_CTRL_USB_PM_XHC_SOFT_RESETB_SELECTOR,
 	USB_CTRL_USB_PM_USB_PWRDN_SELECTOR,
@@ -203,7 +205,6 @@ usb_reg_bits_map_table[BRCM_FAMILY_COUNT
 		USB_CTRL_SETUP_STRAP_IPP_SEL_MASK,
 		USB_CTRL_SETUP_OC3_DISABLE_MASK,
 		0, /* USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK */
-		USB_CTRL_EBRIDGE_ESTOP_SCB_REQ_MASK,
 		0, /* USB_CTRL_USB_PM_BDC_SOFT_RESETB_MASK */
 		USB_CTRL_USB_PM_XHC_SOFT_RESETB_MASK,
 		USB_CTRL_USB_PM_USB_PWRDN_MASK,
@@ -225,7 +226,6 @@ usb_reg_bits_map_table[BRCM_FAMILY_COUNT
 		0, /* USB_CTRL_SETUP_STRAP_IPP_SEL_MASK */
 		USB_CTRL_SETUP_OC3_DISABLE_MASK,
 		USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK,
-		USB_CTRL_EBRIDGE_ESTOP_SCB_REQ_MASK,
 		0, /* USB_CTRL_USB_PM_BDC_SOFT_RESETB_MASK */
 		USB_CTRL_USB_PM_XHC_SOFT_RESETB_VAR_MASK,
 		0, /* USB_CTRL_USB_PM_USB_PWRDN_MASK */
@@ -247,7 +247,6 @@ usb_reg_bits_map_table[BRCM_FAMILY_COUNT
 		USB_CTRL_SETUP_STRAP_IPP_SEL_MASK,
 		USB_CTRL_SETUP_OC3_DISABLE_MASK,
 		0, /* USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK */
-		USB_CTRL_EBRIDGE_ESTOP_SCB_REQ_MASK,
 		USB_CTRL_USB_PM_BDC_SOFT_RESETB_MASK,
 		USB_CTRL_USB_PM_XHC_SOFT_RESETB_MASK,
 		USB_CTRL_USB_PM_USB_PWRDN_MASK,
@@ -269,7 +268,6 @@ usb_reg_bits_map_table[BRCM_FAMILY_COUNT
 		0, /* USB_CTRL_SETUP_STRAP_IPP_SEL_MASK */
 		USB_CTRL_SETUP_OC3_DISABLE_MASK,
 		USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK,
-		USB_CTRL_EBRIDGE_ESTOP_SCB_REQ_MASK,
 		0, /* USB_CTRL_USB_PM_BDC_SOFT_RESETB_MASK */
 		USB_CTRL_USB_PM_XHC_SOFT_RESETB_VAR_MASK,
 		0, /* USB_CTRL_USB_PM_USB_PWRDN_MASK */
@@ -291,7 +289,6 @@ usb_reg_bits_map_table[BRCM_FAMILY_COUNT
 		0, /* USB_CTRL_SETUP_STRAP_IPP_SEL_MASK */
 		USB_CTRL_SETUP_OC3_DISABLE_MASK,
 		0, /* USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK */
-		USB_CTRL_EBRIDGE_ESTOP_SCB_REQ_MASK,
 		0, /* USB_CTRL_USB_PM_BDC_SOFT_RESETB_MASK */
 		USB_CTRL_USB_PM_XHC_SOFT_RESETB_VAR_MASK,
 		USB_CTRL_USB_PM_USB_PWRDN_MASK,
@@ -313,7 +310,6 @@ usb_reg_bits_map_table[BRCM_FAMILY_COUNT
 		0, /* USB_CTRL_SETUP_STRAP_IPP_SEL_MASK */
 		0, /* USB_CTRL_SETUP_OC3_DISABLE_MASK */
 		USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK,
-		0, /* USB_CTRL_EBRIDGE_ESTOP_SCB_REQ_MASK */
 		0, /* USB_CTRL_USB_PM_BDC_SOFT_RESETB_MASK */
 		0, /* USB_CTRL_USB_PM_XHC_SOFT_RESETB_MASK */
 		0, /* USB_CTRL_USB_PM_USB_PWRDN_MASK */
@@ -335,7 +331,6 @@ usb_reg_bits_map_table[BRCM_FAMILY_COUNT
 		USB_CTRL_SETUP_STRAP_IPP_SEL_MASK,
 		USB_CTRL_SETUP_OC3_DISABLE_MASK,
 		0, /* USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK */
-		0, /* USB_CTRL_EBRIDGE_ESTOP_SCB_REQ_MASK */
 		USB_CTRL_USB_PM_BDC_SOFT_RESETB_MASK,
 		USB_CTRL_USB_PM_XHC_SOFT_RESETB_MASK,
 		USB_CTRL_USB_PM_USB_PWRDN_MASK,
@@ -357,7 +352,6 @@ usb_reg_bits_map_table[BRCM_FAMILY_COUNT
 		0, /* USB_CTRL_SETUP_STRAP_IPP_SEL_MASK */
 		USB_CTRL_SETUP_OC3_DISABLE_MASK,
 		USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK,
-		0, /* USB_CTRL_EBRIDGE_ESTOP_SCB_REQ_MASK */
 		0, /* USB_CTRL_USB_PM_BDC_SOFT_RESETB_MASK */
 		0, /* USB_CTRL_USB_PM_XHC_SOFT_RESETB_MASK */
 		0, /* USB_CTRL_USB_PM_USB_PWRDN_MASK */
@@ -379,7 +373,6 @@ usb_reg_bits_map_table[BRCM_FAMILY_COUNT
 		USB_CTRL_SETUP_STRAP_IPP_SEL_MASK,
 		USB_CTRL_SETUP_OC3_DISABLE_MASK,
 		0, /* USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK */
-		USB_CTRL_EBRIDGE_ESTOP_SCB_REQ_MASK,
 		USB_CTRL_USB_PM_BDC_SOFT_RESETB_MASK,
 		USB_CTRL_USB_PM_XHC_SOFT_RESETB_MASK,
 		USB_CTRL_USB_PM_USB_PWRDN_MASK,
@@ -401,7 +394,6 @@ usb_reg_bits_map_table[BRCM_FAMILY_COUNT
 		USB_CTRL_SETUP_STRAP_IPP_SEL_MASK,
 		USB_CTRL_SETUP_OC3_DISABLE_MASK,
 		0, /* USB_CTRL_PLL_CTL_PLL_IDDQ_PWRDN_MASK */
-		USB_CTRL_EBRIDGE_ESTOP_SCB_REQ_MASK,
 		USB_CTRL_USB_PM_BDC_SOFT_RESETB_MASK,
 		USB_CTRL_USB_PM_XHC_SOFT_RESETB_MASK,
 		USB_CTRL_USB_PM_USB_PWRDN_MASK,
@@ -926,6 +918,7 @@ void brcm_usb_init_common(struct brcm_us
 			USB_CTRL_UNSET_FAMILY(params, USB_PM, BDC_SOFT_RESETB);
 			break;
 		default:
+			USB_CTRL_UNSET_FAMILY(params, USB_PM, BDC_SOFT_RESETB);
 			USB_CTRL_SET_FAMILY(params, USB_PM, BDC_SOFT_RESETB);
 		break;
 		}
@@ -952,13 +945,17 @@ void brcm_usb_init_eohci(struct brcm_usb
 		 * Don't enable this so the memory controller doesn't read
 		 * into memory holes. NOTE: This bit is low true on 7366C0.
 		 */
-		USB_CTRL_SET_FAMILY(params, EBRIDGE, ESTOP_SCB_REQ);
+		USB_CTRL_SET(ctrl, EBRIDGE, ESTOP_SCB_REQ);
 
 	/* Setup the endian bits */
 	reg = brcmusb_readl(USB_CTRL_REG(ctrl, SETUP));
 	reg &= ~USB_CTRL_SETUP_ENDIAN_BITS;
 	reg |= USB_CTRL_MASK_FAMILY(params, SETUP, ENDIAN);
 	brcmusb_writel(reg, USB_CTRL_REG(ctrl, SETUP));
+
+	if (params->selected_family == BRCM_FAMILY_7271A0)
+		/* Enable LS keep alive fix for certain keyboards */
+		USB_CTRL_SET(ctrl, OBRIDGE, LS_KEEP_ALIVE);
 }
 
 void brcm_usb_init_xhci(struct brcm_usb_init_params *params)
@@ -1003,6 +1000,7 @@ void brcm_usb_uninit_eohci(struct brcm_u
 void brcm_usb_uninit_xhci(struct brcm_usb_init_params *params)
 {
 	brcmusb_xhci_soft_reset(params, 1);
+	USB_CTRL_SET(params->ctrl_regs, USB30_PCTL, PHY3_IDDQ_OVERRIDE);
 }
 
 void brcm_usb_set_family_map(struct brcm_usb_init_params *params)
diff -druNp --no-dereference linux-libre-4.15.11-gnu/drivers/scsi/qla2xxx/qla_init.c linux-libre-4.15.12-gnu/drivers/scsi/qla2xxx/qla_init.c
--- linux-libre-4.15.11-gnu/drivers/scsi/qla2xxx/qla_init.c	2018-03-19 04:10:00.000000000 -0400
+++ linux-libre-4.15.12-gnu/drivers/scsi/qla2xxx/qla_init.c	2018-03-21 07:05:48.000000000 -0400
@@ -102,11 +102,16 @@ qla2x00_async_iocb_timeout(void *data)
 	struct srb_iocb *lio = &sp->u.iocb_cmd;
 	struct event_arg ea;
 
-	ql_dbg(ql_dbg_disc, fcport->vha, 0x2071,
-	    "Async-%s timeout - hdl=%x portid=%06x %8phC.\n",
-	    sp->name, sp->handle, fcport->d_id.b24, fcport->port_name);
+	if (fcport) {
+		ql_dbg(ql_dbg_disc, fcport->vha, 0x2071,
+		    "Async-%s timeout - hdl=%x portid=%06x %8phC.\n",
+		    sp->name, sp->handle, fcport->d_id.b24, fcport->port_name);
 
-	fcport->flags &= ~FCF_ASYNC_SENT;
+		fcport->flags &= ~FCF_ASYNC_SENT;
+	} else {
+		pr_info("Async-%s timeout - hdl=%x.\n",
+		    sp->name, sp->handle);
+	}
 
 	switch (sp->type) {
 	case SRB_LOGIN_CMD:
diff -druNp --no-dereference linux-libre-4.15.11-gnu/drivers/scsi/qla2xxx/qla_mid.c linux-libre-4.15.12-gnu/drivers/scsi/qla2xxx/qla_mid.c
--- linux-libre-4.15.11-gnu/drivers/scsi/qla2xxx/qla_mid.c	2018-03-19 04:10:00.000000000 -0400
+++ linux-libre-4.15.12-gnu/drivers/scsi/qla2xxx/qla_mid.c	2018-03-21 07:05:48.000000000 -0400
@@ -582,8 +582,9 @@ qla25xx_delete_req_que(struct scsi_qla_h
 		ret = qla25xx_init_req_que(vha, req);
 		if (ret != QLA_SUCCESS)
 			return QLA_FUNCTION_FAILED;
+
+		qla25xx_free_req_que(vha, req);
 	}
-	qla25xx_free_req_que(vha, req);
 
 	return ret;
 }
@@ -598,8 +599,9 @@ qla25xx_delete_rsp_que(struct scsi_qla_h
 		ret = qla25xx_init_rsp_que(vha, rsp);
 		if (ret != QLA_SUCCESS)
 			return QLA_FUNCTION_FAILED;
+
+		qla25xx_free_rsp_que(vha, rsp);
 	}
-	qla25xx_free_rsp_que(vha, rsp);
 
 	return ret;
 }
diff -druNp --no-dereference linux-libre-4.15.11-gnu/drivers/scsi/qla2xxx/qla_os.c linux-libre-4.15.12-gnu/drivers/scsi/qla2xxx/qla_os.c
--- linux-libre-4.15.11-gnu/drivers/scsi/qla2xxx/qla_os.c	2018-03-19 08:42:55.000000000 -0400
+++ linux-libre-4.15.12-gnu/drivers/scsi/qla2xxx/qla_os.c	2018-03-21 15:32:25.000000000 -0400
@@ -449,7 +449,7 @@ static int qla2x00_alloc_queues(struct q
 	ha->req_q_map[0] = req;
 	set_bit(0, ha->rsp_qid_map);
 	set_bit(0, ha->req_qid_map);
-	return 1;
+	return 0;
 
 fail_qpair_map:
 	kfree(ha->base_qpair);
@@ -466,6 +466,9 @@ fail_req_map:
 
 static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req)
 {
+	if (!ha->req_q_map)
+		return;
+
 	if (IS_QLAFX00(ha)) {
 		if (req && req->ring_fx00)
 			dma_free_coherent(&ha->pdev->dev,
@@ -476,14 +479,17 @@ static void qla2x00_free_req_que(struct
 		(req->length + 1) * sizeof(request_t),
 		req->ring, req->dma);
 
-	if (req)
+	if (req) {
 		kfree(req->outstanding_cmds);
-
-	kfree(req);
+		kfree(req);
+	}
 }
 
 static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
 {
+	if (!ha->rsp_q_map)
+		return;
+
 	if (IS_QLAFX00(ha)) {
 		if (rsp && rsp->ring)
 			dma_free_coherent(&ha->pdev->dev,
@@ -494,7 +500,8 @@ static void qla2x00_free_rsp_que(struct
 		(rsp->length + 1) * sizeof(response_t),
 		rsp->ring, rsp->dma);
 	}
-	kfree(rsp);
+	if (rsp)
+		kfree(rsp);
 }
 
 static void qla2x00_free_queues(struct qla_hw_data *ha)
@@ -1717,6 +1724,8 @@ qla2x00_abort_all_cmds(scsi_qla_host_t *
 	struct qla_tgt_cmd *cmd;
 	uint8_t trace = 0;
 
+	if (!ha->req_q_map)
+		return;
 	spin_lock_irqsave(&ha->hardware_lock, flags);
 	for (que = 0; que < ha->max_req_queues; que++) {
 		req = ha->req_q_map[que];
@@ -3071,14 +3080,14 @@ qla2x00_probe_one(struct pci_dev *pdev,
 	/* Set up the irqs */
 	ret = qla2x00_request_irqs(ha, rsp);
 	if (ret)
-		goto probe_hw_failed;
+		goto probe_failed;
 
 	/* Alloc arrays of request and response ring ptrs */
-	if (!qla2x00_alloc_queues(ha, req, rsp)) {
+	if (qla2x00_alloc_queues(ha, req, rsp)) {
 		ql_log(ql_log_fatal, base_vha, 0x003d,
 		    "Failed to allocate memory for queue pointers..."
 		    "aborting.\n");
-		goto probe_init_failed;
+		goto probe_failed;
 	}
 
 	if (ha->mqenable && shost_use_blk_mq(host)) {
@@ -3363,15 +3372,6 @@ skip_dpc:
 
 	return 0;
 
-probe_init_failed:
-	qla2x00_free_req_que(ha, req);
-	ha->req_q_map[0] = NULL;
-	clear_bit(0, ha->req_qid_map);
-	qla2x00_free_rsp_que(ha, rsp);
-	ha->rsp_q_map[0] = NULL;
-	clear_bit(0, ha->rsp_qid_map);
-	ha->max_req_queues = ha->max_rsp_queues = 0;
-
 probe_failed:
 	if (base_vha->timer_active)
 		qla2x00_stop_timer(base_vha);
@@ -4451,11 +4451,17 @@ qla2x00_mem_free(struct qla_hw_data *ha)
 	if (ha->init_cb)
 		dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
 			ha->init_cb, ha->init_cb_dma);
-	vfree(ha->optrom_buffer);
-	kfree(ha->nvram);
-	kfree(ha->npiv_info);
-	kfree(ha->swl);
-	kfree(ha->loop_id_map);
+
+	if (ha->optrom_buffer)
+		vfree(ha->optrom_buffer);
+	if (ha->nvram)
+		kfree(ha->nvram);
+	if (ha->npiv_info)
+		kfree(ha->npiv_info);
+	if (ha->swl)
+		kfree(ha->swl);
+	if (ha->loop_id_map)
+		kfree(ha->loop_id_map);
 
 	ha->srb_mempool = NULL;
 	ha->ctx_mempool = NULL;
@@ -4471,6 +4477,15 @@ qla2x00_mem_free(struct qla_hw_data *ha)
 	ha->ex_init_cb_dma = 0;
 	ha->async_pd = NULL;
 	ha->async_pd_dma = 0;
+	ha->loop_id_map = NULL;
+	ha->npiv_info = NULL;
+	ha->optrom_buffer = NULL;
+	ha->swl = NULL;
+	ha->nvram = NULL;
+	ha->mctp_dump = NULL;
+	ha->dcbx_tlv = NULL;
+	ha->xgmac_data = NULL;
+	ha->sfp_data = NULL;
 
 	ha->s_dma_pool = NULL;
 	ha->dl_dma_pool = NULL;
diff -druNp --no-dereference linux-libre-4.15.11-gnu/drivers/scsi/qla2xxx/qla_target.c linux-libre-4.15.12-gnu/drivers/scsi/qla2xxx/qla_target.c
--- linux-libre-4.15.11-gnu/drivers/scsi/qla2xxx/qla_target.c	2018-03-19 04:10:00.000000000 -0400
+++ linux-libre-4.15.12-gnu/drivers/scsi/qla2xxx/qla_target.c	2018-03-21 07:05:48.000000000 -0400
@@ -982,6 +982,7 @@ static void qlt_free_session_done(struct
 
 			logo.id = sess->d_id;
 			logo.cmd_count = 0;
+			sess->send_els_logo = 0;
 			qlt_send_first_logo(vha, &logo);
 		}
 
diff -druNp --no-dereference linux-libre-4.15.11-gnu/drivers/usb/dwc2/params.c linux-libre-4.15.12-gnu/drivers/usb/dwc2/params.c
--- linux-libre-4.15.11-gnu/drivers/usb/dwc2/params.c	2018-03-19 04:10:00.000000000 -0400
+++ linux-libre-4.15.12-gnu/drivers/usb/dwc2/params.c	2018-03-21 07:05:48.000000000 -0400
@@ -137,7 +137,7 @@ static void dwc2_set_stm32f4x9_fsotg_par
 	p->activate_stm_fs_transceiver = true;
 }
 
-static void dwc2_set_stm32f7xx_hsotg_params(struct dwc2_hsotg *hsotg)
+static void dwc2_set_stm32f7_hsotg_params(struct dwc2_hsotg *hsotg)
 {
 	struct dwc2_core_params *p = &hsotg->params;
 
@@ -164,8 +164,8 @@ const struct of_device_id dwc2_of_match_
 	{ .compatible = "st,stm32f4x9-fsotg",
 	  .data = dwc2_set_stm32f4x9_fsotg_params },
 	{ .compatible = "st,stm32f4x9-hsotg" },
-	{ .compatible = "st,stm32f7xx-hsotg",
-	  .data = dwc2_set_stm32f7xx_hsotg_params },
+	{ .compatible = "st,stm32f7-hsotg",
+	  .data = dwc2_set_stm32f7_hsotg_params },
 	{},
 };
 MODULE_DEVICE_TABLE(of, dwc2_of_match_table);
diff -druNp --no-dereference linux-libre-4.15.11-gnu/drivers/usb/dwc3/core.c linux-libre-4.15.12-gnu/drivers/usb/dwc3/core.c
--- linux-libre-4.15.11-gnu/drivers/usb/dwc3/core.c	2018-03-19 04:10:00.000000000 -0400
+++ linux-libre-4.15.12-gnu/drivers/usb/dwc3/core.c	2018-03-21 07:05:48.000000000 -0400
@@ -100,6 +100,8 @@ static void dwc3_set_prtcap(struct dwc3
 	reg &= ~(DWC3_GCTL_PRTCAPDIR(DWC3_GCTL_PRTCAP_OTG));
 	reg |= DWC3_GCTL_PRTCAPDIR(mode);
 	dwc3_writel(dwc->regs, DWC3_GCTL, reg);
+
+	dwc->current_dr_role = mode;
 }
 
 static void __dwc3_set_mode(struct work_struct *work)
@@ -133,8 +135,6 @@ static void __dwc3_set_mode(struct work_
 
 	dwc3_set_prtcap(dwc, dwc->desired_dr_role);
 
-	dwc->current_dr_role = dwc->desired_dr_role;
-
 	spin_unlock_irqrestore(&dwc->lock, flags);
 
 	switch (dwc->desired_dr_role) {
@@ -218,7 +218,7 @@ static int dwc3_core_soft_reset(struct d
 	 * XHCI driver will reset the host block. If dwc3 was configured for
 	 * host-only mode, then we can return early.
 	 */
-	if (dwc->dr_mode == USB_DR_MODE_HOST)
+	if (dwc->current_dr_role == DWC3_GCTL_PRTCAP_HOST)
 		return 0;
 
 	reg = dwc3_readl(dwc->regs, DWC3_DCTL);
@@ -915,7 +915,6 @@ static int dwc3_core_init_mode(struct dw
 
 	switch (dwc->dr_mode) {
 	case USB_DR_MODE_PERIPHERAL:
-		dwc->current_dr_role = DWC3_GCTL_PRTCAP_DEVICE;
 		dwc3_set_prtcap(dwc, DWC3_GCTL_PRTCAP_DEVICE);
 
 		if (dwc->usb2_phy)
@@ -931,7 +930,6 @@ static int dwc3_core_init_mode(struct dw
 		}
 		break;
 	case USB_DR_MODE_HOST:
-		dwc->current_dr_role = DWC3_GCTL_PRTCAP_HOST;
 		dwc3_set_prtcap(dwc, DWC3_GCTL_PRTCAP_HOST);
 
 		if (dwc->usb2_phy)
@@ -1279,7 +1277,7 @@ static int dwc3_remove(struct platform_d
 }
 
 #ifdef CONFIG_PM
-static int dwc3_suspend_common(struct dwc3 *dwc)
+static int dwc3_suspend_common(struct dwc3 *dwc, pm_message_t msg)
 {
 	unsigned long	flags;
 
@@ -1291,6 +1289,10 @@ static int dwc3_suspend_common(struct dw
 		dwc3_core_exit(dwc);
 		break;
 	case DWC3_GCTL_PRTCAP_HOST:
+		/* do nothing during host runtime_suspend */
+		if (!PMSG_IS_AUTO(msg))
+			dwc3_core_exit(dwc);
+		break;
 	default:
 		/* do nothing */
 		break;
@@ -1299,7 +1301,7 @@ static int dwc3_suspend_common(struct dw
 	return 0;
 }
 
-static int dwc3_resume_common(struct dwc3 *dwc)
+static int dwc3_resume_common(struct dwc3 *dwc, pm_message_t msg)
 {
 	unsigned long	flags;
 	int		ret;
@@ -1315,6 +1317,13 @@ static int dwc3_resume_common(struct dwc
 		spin_unlock_irqrestore(&dwc->lock, flags);
 		break;
 	case DWC3_GCTL_PRTCAP_HOST:
+		/* nothing to do on host runtime_resume */
+		if (!PMSG_IS_AUTO(msg)) {
+			ret = dwc3_core_init(dwc);
+			if (ret)
+				return ret;
+		}
+		break;
 	default:
 		/* do nothing */
 		break;
@@ -1326,12 +1335,11 @@ static int dwc3_resume_common(struct dwc
 static int dwc3_runtime_checks(struct dwc3 *dwc)
 {
 	switch (dwc->current_dr_role) {
-	case USB_DR_MODE_PERIPHERAL:
-	case USB_DR_MODE_OTG:
+	case DWC3_GCTL_PRTCAP_DEVICE:
 		if (dwc->connected)
 			return -EBUSY;
 		break;
-	case USB_DR_MODE_HOST:
+	case DWC3_GCTL_PRTCAP_HOST:
 	default:
 		/* do nothing */
 		break;
@@ -1348,7 +1356,7 @@ static int dwc3_runtime_suspend(struct d
 	if (dwc3_runtime_checks(dwc))
 		return -EBUSY;
 
-	ret = dwc3_suspend_common(dwc);
+	ret = dwc3_suspend_common(dwc, PMSG_AUTO_SUSPEND);
 	if (ret)
 		return ret;
 
@@ -1364,7 +1372,7 @@ static int dwc3_runtime_resume(struct de
 
 	device_init_wakeup(dev, false);
 
-	ret = dwc3_resume_common(dwc);
+	ret = dwc3_resume_common(dwc, PMSG_AUTO_RESUME);
 	if (ret)
 		return ret;
 
@@ -1411,7 +1419,7 @@ static int dwc3_suspend(struct device *d
 	struct dwc3	*dwc = dev_get_drvdata(dev);
 	int		ret;
 
-	ret = dwc3_suspend_common(dwc);
+	ret = dwc3_suspend_common(dwc, PMSG_SUSPEND);
 	if (ret)
 		return ret;
 
@@ -1427,7 +1435,7 @@ static int dwc3_resume(struct device *de
 
 	pinctrl_pm_select_default_state(dev);
 
-	ret = dwc3_resume_common(dwc);
+	ret = dwc3_resume_common(dwc, PMSG_RESUME);
 	if (ret)
 		return ret;
 
diff -druNp --no-dereference linux-libre-4.15.11-gnu/drivers/usb/dwc3/core.h linux-libre-4.15.12-gnu/drivers/usb/dwc3/core.h
--- linux-libre-4.15.11-gnu/drivers/usb/dwc3/core.h	2018-03-19 04:10:00.000000000 -0400
+++ linux-libre-4.15.12-gnu/drivers/usb/dwc3/core.h	2018-03-21 07:05:48.000000000 -0400
@@ -158,13 +158,15 @@
 #define DWC3_GDBGFIFOSPACE_TYPE(n)	(((n) << 5) & 0x1e0)
 #define DWC3_GDBGFIFOSPACE_SPACE_AVAILABLE(n) (((n) >> 16) & 0xffff)
 
-#define DWC3_TXFIFOQ		1
-#define DWC3_RXFIFOQ		3
-#define DWC3_TXREQQ		5
-#define DWC3_RXREQQ		7
-#define DWC3_RXINFOQ		9
-#define DWC3_DESCFETCHQ		13
-#define DWC3_EVENTQ		15
+#define DWC3_TXFIFOQ		0
+#define DWC3_RXFIFOQ		1
+#define DWC3_TXREQQ		2
+#define DWC3_RXREQQ		3
+#define DWC3_RXINFOQ		4
+#define DWC3_PSTATQ		5
+#define DWC3_DESCFETCHQ		6
+#define DWC3_EVENTQ		7
+#define DWC3_AUXEVENTQ		8
 
 /* Global RX Threshold Configuration Register */
 #define DWC3_GRXTHRCFG_MAXRXBURSTSIZE(n) (((n) & 0x1f) << 19)
diff -druNp --no-dereference linux-libre-4.15.11-gnu/drivers/usb/dwc3/dwc3-of-simple.c linux-libre-4.15.12-gnu/drivers/usb/dwc3/dwc3-of-simple.c
--- linux-libre-4.15.11-gnu/drivers/usb/dwc3/dwc3-of-simple.c	2018-03-19 04:10:00.000000000 -0400
+++ linux-libre-4.15.12-gnu/drivers/usb/dwc3/dwc3-of-simple.c	2018-03-21 07:05:48.000000000 -0400
@@ -143,6 +143,7 @@ static int dwc3_of_simple_remove(struct
 		clk_disable_unprepare(simple->clks[i]);
 		clk_put(simple->clks[i]);
 	}
+	simple->num_clocks = 0;
 
 	reset_control_assert(simple->resets);
 	reset_control_put(simple->resets);
diff -druNp --no-dereference linux-libre-4.15.11-gnu/drivers/usb/gadget/udc/bdc/bdc_pci.c linux-libre-4.15.12-gnu/drivers/usb/gadget/udc/bdc/bdc_pci.c
--- linux-libre-4.15.11-gnu/drivers/usb/gadget/udc/bdc/bdc_pci.c	2018-03-19 04:10:00.000000000 -0400
+++ linux-libre-4.15.12-gnu/drivers/usb/gadget/udc/bdc/bdc_pci.c	2018-03-21 07:05:48.000000000 -0400
@@ -77,6 +77,7 @@ static int bdc_pci_probe(struct pci_dev
 	if (ret) {
 		dev_err(&pci->dev,
 			"couldn't add resources to bdc device\n");
+		platform_device_put(bdc);
 		return ret;
 	}
 
diff -druNp --no-dereference linux-libre-4.15.11-gnu/drivers/usb/gadget/udc/renesas_usb3.c linux-libre-4.15.12-gnu/drivers/usb/gadget/udc/renesas_usb3.c
--- linux-libre-4.15.11-gnu/drivers/usb/gadget/udc/renesas_usb3.c	2018-03-19 04:10:00.000000000 -0400
+++ linux-libre-4.15.12-gnu/drivers/usb/gadget/udc/renesas_usb3.c	2018-03-21 07:05:48.000000000 -0400
@@ -2410,7 +2410,7 @@ static int renesas_usb3_remove(struct pl
 	__renesas_usb3_ep_free_request(usb3->ep0_req);
 	if (usb3->phy)
 		phy_put(usb3->phy);
-	pm_runtime_disable(usb3_to_dev(usb3));
+	pm_runtime_disable(&pdev->dev);
 
 	return 0;
 }
diff -druNp --no-dereference linux-libre-4.15.11-gnu/fs/aio.c linux-libre-4.15.12-gnu/fs/aio.c
--- linux-libre-4.15.11-gnu/fs/aio.c	2018-03-19 04:10:00.000000000 -0400
+++ linux-libre-4.15.12-gnu/fs/aio.c	2018-03-21 07:05:48.000000000 -0400
@@ -68,9 +68,9 @@ struct aio_ring {
 #define AIO_RING_PAGES	8
 
 struct kioctx_table {
-	struct rcu_head	rcu;
-	unsigned	nr;
-	struct kioctx	*table[];
+	struct rcu_head		rcu;
+	unsigned		nr;
+	struct kioctx __rcu	*table[];
 };
 
 struct kioctx_cpu {
@@ -115,7 +115,8 @@ struct kioctx {
 	struct page		**ring_pages;
 	long			nr_pages;
 
-	struct work_struct	free_work;
+	struct rcu_head		free_rcu;
+	struct work_struct	free_work;	/* see free_ioctx() */
 
 	/*
 	 * signals when all in-flight requests are done
@@ -329,7 +330,7 @@ static int aio_ring_mremap(struct vm_are
 	for (i = 0; i < table->nr; i++) {
 		struct kioctx *ctx;
 
-		ctx = table->table[i];
+		ctx = rcu_dereference(table->table[i]);
 		if (ctx && ctx->aio_ring_file == file) {
 			if (!atomic_read(&ctx->dead)) {
 				ctx->user_id = ctx->mmap_base = vma->vm_start;
@@ -588,6 +589,12 @@ static int kiocb_cancel(struct aio_kiocb
 	return cancel(&kiocb->common);
 }
 
+/*
+ * free_ioctx() should be RCU delayed to synchronize against the RCU
+ * protected lookup_ioctx() and also needs process context to call
+ * aio_free_ring(), so the double bouncing through kioctx->free_rcu and
+ * ->free_work.
+ */
 static void free_ioctx(struct work_struct *work)
 {
 	struct kioctx *ctx = container_of(work, struct kioctx, free_work);
@@ -601,6 +608,14 @@ static void free_ioctx(struct work_struc
 	kmem_cache_free(kioctx_cachep, ctx);
 }
 
+static void free_ioctx_rcufn(struct rcu_head *head)
+{
+	struct kioctx *ctx = container_of(head, struct kioctx, free_rcu);
+
+	INIT_WORK(&ctx->free_work, free_ioctx);
+	schedule_work(&ctx->free_work);
+}
+
 static void free_ioctx_reqs(struct percpu_ref *ref)
 {
 	struct kioctx *ctx = container_of(ref, struct kioctx, reqs);
@@ -609,8 +624,8 @@ static void free_ioctx_reqs(struct percp
 	if (ctx->rq_wait && atomic_dec_and_test(&ctx->rq_wait->count))
 		complete(&ctx->rq_wait->comp);
 
-	INIT_WORK(&ctx->free_work, free_ioctx);
-	schedule_work(&ctx->free_work);
+	/* Synchronize against RCU protected table->table[] dereferences */
+	call_rcu(&ctx->free_rcu, free_ioctx_rcufn);
 }
 
 /*
@@ -651,9 +666,9 @@ static int ioctx_add_table(struct kioctx
 	while (1) {
 		if (table)
 			for (i = 0; i < table->nr; i++)
-				if (!table->table[i]) {
+				if (!rcu_access_pointer(table->table[i])) {
 					ctx->id = i;
-					table->table[i] = ctx;
+					rcu_assign_pointer(table->table[i], ctx);
 					spin_unlock(&mm->ioctx_lock);
 
 					/* While kioctx setup is in progress,
@@ -834,11 +849,11 @@ static int kill_ioctx(struct mm_struct *
 	}
 
 	table = rcu_dereference_raw(mm->ioctx_table);
-	WARN_ON(ctx != table->table[ctx->id]);
-	table->table[ctx->id] = NULL;
+	WARN_ON(ctx != rcu_access_pointer(table->table[ctx->id]));
+	RCU_INIT_POINTER(table->table[ctx->id], NULL);
 	spin_unlock(&mm->ioctx_lock);
 
-	/* percpu_ref_kill() will do the necessary call_rcu() */
+	/* free_ioctx_reqs() will do the necessary RCU synchronization */
 	wake_up_all(&ctx->wait);
 
 	/*
@@ -880,7 +895,8 @@ void exit_aio(struct mm_struct *mm)
 
 	skipped = 0;
 	for (i = 0; i < table->nr; ++i) {
-		struct kioctx *ctx = table->table[i];
+		struct kioctx *ctx =
+			rcu_dereference_protected(table->table[i], true);
 
 		if (!ctx) {
 			skipped++;
@@ -1069,7 +1085,7 @@ static struct kioctx *lookup_ioctx(unsig
 	if (!table || id >= table->nr)
 		goto out;
 
-	ctx = table->table[id];
+	ctx = rcu_dereference(table->table[id]);
 	if (ctx && ctx->user_id == ctx_id) {
 		percpu_ref_get(&ctx->users);
 		ret = ctx;
diff -druNp --no-dereference linux-libre-4.15.11-gnu/fs/btrfs/backref.c linux-libre-4.15.12-gnu/fs/btrfs/backref.c
--- linux-libre-4.15.11-gnu/fs/btrfs/backref.c	2018-03-19 04:10:00.000000000 -0400
+++ linux-libre-4.15.12-gnu/fs/btrfs/backref.c	2018-03-21 07:05:48.000000000 -0400
@@ -1263,7 +1263,16 @@ again:
 	while (node) {
 		ref = rb_entry(node, struct prelim_ref, rbnode);
 		node = rb_next(&ref->rbnode);
-		WARN_ON(ref->count < 0);
+		/*
+		 * ref->count < 0 can happen here if there are delayed
+		 * refs with a node->action of BTRFS_DROP_DELAYED_REF.
+		 * prelim_ref_insert() relies on this when merging
+		 * identical refs to keep the overall count correct.
+		 * prelim_ref_insert() will merge only those refs
+		 * which compare identically.  Any refs having
+		 * e.g. different offsets would not be merged,
+		 * and would retain their original ref->count < 0.
+		 */
 		if (roots && ref->count && ref->root_id && ref->parent == 0) {
 			if (sc && sc->root_objectid &&
 			    ref->root_id != sc->root_objectid) {
@@ -1509,6 +1518,7 @@ int btrfs_check_shared(struct btrfs_root
 		if (!node)
 			break;
 		bytenr = node->val;
+		shared.share_count = 0;
 		cond_resched();
 	}
 
diff -druNp --no-dereference linux-libre-4.15.11-gnu/fs/btrfs/raid56.c linux-libre-4.15.12-gnu/fs/btrfs/raid56.c
--- linux-libre-4.15.11-gnu/fs/btrfs/raid56.c	2018-03-19 04:10:00.000000000 -0400
+++ linux-libre-4.15.12-gnu/fs/btrfs/raid56.c	2018-03-21 07:05:48.000000000 -0400
@@ -1351,6 +1351,7 @@ static int find_bio_stripe(struct btrfs_
 		stripe_start = stripe->physical;
 		if (physical >= stripe_start &&
 		    physical < stripe_start + rbio->stripe_len &&
+		    stripe->dev->bdev &&
 		    bio->bi_disk == stripe->dev->bdev->bd_disk &&
 		    bio->bi_partno == stripe->dev->bdev->bd_partno) {
 			return i;
diff -druNp --no-dereference linux-libre-4.15.11-gnu/fs/btrfs/volumes.c linux-libre-4.15.12-gnu/fs/btrfs/volumes.c
--- linux-libre-4.15.11-gnu/fs/btrfs/volumes.c	2018-03-19 04:10:00.000000000 -0400
+++ linux-libre-4.15.12-gnu/fs/btrfs/volumes.c	2018-03-21 07:05:48.000000000 -0400
@@ -574,6 +574,7 @@ static void btrfs_free_stale_device(stru
 				btrfs_sysfs_remove_fsid(fs_devs);
 				list_del(&fs_devs->list);
 				free_fs_devices(fs_devs);
+				break;
 			} else {
 				fs_devs->num_devices--;
 				list_del(&dev->dev_list);
@@ -4737,10 +4738,13 @@ static int __btrfs_alloc_chunk(struct bt
 	ndevs = min(ndevs, devs_max);
 
 	/*
-	 * the primary goal is to maximize the number of stripes, so use as many
-	 * devices as possible, even if the stripes are not maximum sized.
+	 * The primary goal is to maximize the number of stripes, so use as
+	 * many devices as possible, even if the stripes are not maximum sized.
+	 *
+	 * The DUP profile stores more than one stripe per device, the
+	 * max_avail is the total size so we have to adjust.
 	 */
-	stripe_size = devices_info[ndevs-1].max_avail;
+	stripe_size = div_u64(devices_info[ndevs - 1].max_avail, dev_stripes);
 	num_stripes = ndevs * dev_stripes;
 
 	/*
@@ -4775,8 +4779,6 @@ static int __btrfs_alloc_chunk(struct bt
 			stripe_size = devices_info[ndevs-1].max_avail;
 	}
 
-	stripe_size = div_u64(stripe_size, dev_stripes);
-
 	/* align to BTRFS_STRIPE_LEN */
 	stripe_size = round_down(stripe_size, BTRFS_STRIPE_LEN);
 
@@ -7091,10 +7093,24 @@ int btrfs_run_dev_stats(struct btrfs_tra
 
 	mutex_lock(&fs_devices->device_list_mutex);
 	list_for_each_entry(device, &fs_devices->devices, dev_list) {
-		if (!device->dev_stats_valid || !btrfs_dev_stats_dirty(device))
+		stats_cnt = atomic_read(&device->dev_stats_ccnt);
+		if (!device->dev_stats_valid || stats_cnt == 0)
 			continue;
 
-		stats_cnt = atomic_read(&device->dev_stats_ccnt);
+
+		/*
+		 * There is a LOAD-LOAD control dependency between the value of
+		 * dev_stats_ccnt and updating the on-disk values which requires
+		 * reading the in-memory counters. Such control dependencies
+		 * require explicit read memory barriers.
+		 *
+		 * This memory barriers pairs with smp_mb__before_atomic in
+		 * btrfs_dev_stat_inc/btrfs_dev_stat_set and with the full
+		 * barrier implied by atomic_xchg in
+		 * btrfs_dev_stats_read_and_reset
+		 */
+		smp_rmb();
+
 		ret = update_dev_stat_item(trans, fs_info, device);
 		if (!ret)
 			atomic_sub(stats_cnt, &device->dev_stats_ccnt);
diff -druNp --no-dereference linux-libre-4.15.11-gnu/fs/btrfs/volumes.h linux-libre-4.15.12-gnu/fs/btrfs/volumes.h
--- linux-libre-4.15.11-gnu/fs/btrfs/volumes.h	2018-03-19 04:10:00.000000000 -0400
+++ linux-libre-4.15.12-gnu/fs/btrfs/volumes.h	2018-03-21 07:05:48.000000000 -0400
@@ -498,6 +498,12 @@ static inline void btrfs_dev_stat_inc(st
 				      int index)
 {
 	atomic_inc(dev->dev_stat_values + index);
+	/*
+	 * This memory barrier orders stores updating statistics before stores
+	 * updating dev_stats_ccnt.
+	 *
+	 * It pairs with smp_rmb() in btrfs_run_dev_stats().
+	 */
 	smp_mb__before_atomic();
 	atomic_inc(&dev->dev_stats_ccnt);
 }
@@ -523,6 +529,12 @@ static inline void btrfs_dev_stat_set(st
 				      int index, unsigned long val)
 {
 	atomic_set(dev->dev_stat_values + index, val);
+	/*
+	 * This memory barrier orders stores updating statistics before stores
+	 * updating dev_stats_ccnt.
+	 *
+	 * It pairs with smp_rmb() in btrfs_run_dev_stats().
+	 */
 	smp_mb__before_atomic();
 	atomic_inc(&dev->dev_stats_ccnt);
 }
diff -druNp --no-dereference linux-libre-4.15.11-gnu/fs/dcache.c linux-libre-4.15.12-gnu/fs/dcache.c
--- linux-libre-4.15.11-gnu/fs/dcache.c	2018-03-19 04:10:00.000000000 -0400
+++ linux-libre-4.15.12-gnu/fs/dcache.c	2018-03-21 07:05:48.000000000 -0400
@@ -644,11 +644,16 @@ again:
 		spin_unlock(&parent->d_lock);
 		goto again;
 	}
-	rcu_read_unlock();
-	if (parent != dentry)
+	if (parent != dentry) {
 		spin_lock_nested(&dentry->d_lock, DENTRY_D_LOCK_NESTED);
-	else
+		if (unlikely(dentry->d_lockref.count < 0)) {
+			spin_unlock(&parent->d_lock);
+			parent = NULL;
+		}
+	} else {
 		parent = NULL;
+	}
+	rcu_read_unlock();
 	return parent;
 }
 
diff -druNp --no-dereference linux-libre-4.15.11-gnu/fs/namei.c linux-libre-4.15.12-gnu/fs/namei.c
--- linux-libre-4.15.11-gnu/fs/namei.c	2018-03-19 04:10:00.000000000 -0400
+++ linux-libre-4.15.12-gnu/fs/namei.c	2018-03-21 07:05:48.000000000 -0400
@@ -578,9 +578,10 @@ static int __nd_alloc_stack(struct namei
 static bool path_connected(const struct path *path)
 {
 	struct vfsmount *mnt = path->mnt;
+	struct super_block *sb = mnt->mnt_sb;
 
-	/* Only bind mounts can have disconnected paths */
-	if (mnt->mnt_root == mnt->mnt_sb->s_root)
+	/* Bind mounts and multi-root filesystems can have disconnected paths */
+	if (!(sb->s_iflags & SB_I_MULTIROOT) && (mnt->mnt_root == sb->s_root))
 		return true;
 
 	return is_subdir(path->dentry, mnt->mnt_root);
diff -druNp --no-dereference linux-libre-4.15.11-gnu/fs/nfs/super.c linux-libre-4.15.12-gnu/fs/nfs/super.c
--- linux-libre-4.15.11-gnu/fs/nfs/super.c	2018-03-19 04:10:00.000000000 -0400
+++ linux-libre-4.15.12-gnu/fs/nfs/super.c	2018-03-21 07:05:48.000000000 -0400
@@ -2631,6 +2631,8 @@ struct dentry *nfs_fs_mount_common(struc
 		/* initial superblock/root creation */
 		mount_info->fill_super(s, mount_info);
 		nfs_get_cache_cookie(s, mount_info->parsed, mount_info->cloned);
+		if (!(server->flags & NFS_MOUNT_UNSHARED))
+			s->s_iflags |= SB_I_MULTIROOT;
 	}
 
 	mntroot = nfs_get_root(s, mount_info->mntfh, dev_name);
diff -druNp --no-dereference linux-libre-4.15.11-gnu/fs/xfs/xfs_icache.c linux-libre-4.15.12-gnu/fs/xfs/xfs_icache.c
--- linux-libre-4.15.11-gnu/fs/xfs/xfs_icache.c	2018-03-19 04:10:00.000000000 -0400
+++ linux-libre-4.15.12-gnu/fs/xfs/xfs_icache.c	2018-03-21 07:05:48.000000000 -0400
@@ -295,6 +295,7 @@ xfs_reinit_inode(
 	uint32_t	generation = inode->i_generation;
 	uint64_t	version = inode->i_version;
 	umode_t		mode = inode->i_mode;
+	dev_t		dev = inode->i_rdev;
 
 	error = inode_init_always(mp->m_super, inode);
 
@@ -302,6 +303,7 @@ xfs_reinit_inode(
 	inode->i_generation = generation;
 	inode->i_version = version;
 	inode->i_mode = mode;
+	inode->i_rdev = dev;
 	return error;
 }
 
diff -druNp --no-dereference linux-libre-4.15.11-gnu/include/kvm/arm_vgic.h linux-libre-4.15.12-gnu/include/kvm/arm_vgic.h
--- linux-libre-4.15.11-gnu/include/kvm/arm_vgic.h	2018-03-19 04:10:00.000000000 -0400
+++ linux-libre-4.15.12-gnu/include/kvm/arm_vgic.h	2018-03-21 07:05:48.000000000 -0400
@@ -349,6 +349,7 @@ void kvm_vgic_put(struct kvm_vcpu *vcpu)
 bool kvm_vcpu_has_pending_irqs(struct kvm_vcpu *vcpu);
 void kvm_vgic_sync_hwstate(struct kvm_vcpu *vcpu);
 void kvm_vgic_flush_hwstate(struct kvm_vcpu *vcpu);
+void kvm_vgic_reset_mapped_irq(struct kvm_vcpu *vcpu, u32 vintid);
 
 void vgic_v3_dispatch_sgi(struct kvm_vcpu *vcpu, u64 reg);
 
diff -druNp --no-dereference linux-libre-4.15.11-gnu/include/linux/fs.h linux-libre-4.15.12-gnu/include/linux/fs.h
--- linux-libre-4.15.11-gnu/include/linux/fs.h	2018-03-19 04:10:00.000000000 -0400
+++ linux-libre-4.15.12-gnu/include/linux/fs.h	2018-03-21 07:05:48.000000000 -0400
@@ -1312,6 +1312,7 @@ extern int send_sigurg(struct fown_struc
 #define SB_I_CGROUPWB	0x00000001	/* cgroup-aware writeback enabled */
 #define SB_I_NOEXEC	0x00000002	/* Ignore executables on this fs */
 #define SB_I_NODEV	0x00000004	/* Ignore devices on this fs */
+#define SB_I_MULTIROOT	0x00000008	/* Multiple roots to the dentry tree */
 
 /* sb->s_iflags to limit user namespace mounts */
 #define SB_I_USERNS_VISIBLE		0x00000010 /* fstype already mounted */
diff -druNp --no-dereference linux-libre-4.15.11-gnu/include/linux/irqchip/arm-gic.h linux-libre-4.15.12-gnu/include/linux/irqchip/arm-gic.h
--- linux-libre-4.15.11-gnu/include/linux/irqchip/arm-gic.h	2018-03-19 04:10:00.000000000 -0400
+++ linux-libre-4.15.12-gnu/include/linux/irqchip/arm-gic.h	2018-03-21 07:05:48.000000000 -0400
@@ -84,6 +84,7 @@
 
 #define GICH_HCR_EN			(1 << 0)
 #define GICH_HCR_UIE			(1 << 1)
+#define GICH_HCR_NPIE			(1 << 3)
 
 #define GICH_LR_VIRTUALID		(0x3ff << 0)
 #define GICH_LR_PHYSID_CPUID_SHIFT	(10)
diff -druNp --no-dereference linux-libre-4.15.11-gnu/include/linux/irqchip/arm-gic-v3.h linux-libre-4.15.12-gnu/include/linux/irqchip/arm-gic-v3.h
--- linux-libre-4.15.11-gnu/include/linux/irqchip/arm-gic-v3.h	2018-03-19 04:10:00.000000000 -0400
+++ linux-libre-4.15.12-gnu/include/linux/irqchip/arm-gic-v3.h	2018-03-21 07:05:48.000000000 -0400
@@ -503,6 +503,7 @@
 
 #define ICH_HCR_EN			(1 << 0)
 #define ICH_HCR_UIE			(1 << 1)
+#define ICH_HCR_NPIE			(1 << 3)
 #define ICH_HCR_TC			(1 << 10)
 #define ICH_HCR_TALL0			(1 << 11)
 #define ICH_HCR_TALL1			(1 << 12)
diff -druNp --no-dereference linux-libre-4.15.11-gnu/Makefile linux-libre-4.15.12-gnu/Makefile
--- linux-libre-4.15.11-gnu/Makefile	2018-03-19 08:16:44.000000000 -0400
+++ linux-libre-4.15.12-gnu/Makefile	2018-03-21 15:10:09.000000000 -0400
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 VERSION = 4
 PATCHLEVEL = 15
-SUBLEVEL = 11
+SUBLEVEL = 12
 EXTRAVERSION = -gnu
 NAME = Fearless Coyote
 
diff -druNp --no-dereference linux-libre-4.15.11-gnu/sound/core/oss/pcm_oss.c linux-libre-4.15.12-gnu/sound/core/oss/pcm_oss.c
--- linux-libre-4.15.11-gnu/sound/core/oss/pcm_oss.c	2018-03-19 04:10:00.000000000 -0400
+++ linux-libre-4.15.12-gnu/sound/core/oss/pcm_oss.c	2018-03-21 07:05:48.000000000 -0400
@@ -1762,10 +1762,9 @@ static int snd_pcm_oss_get_formats(struc
 		return -ENOMEM;
 	_snd_pcm_hw_params_any(params);
 	err = snd_pcm_hw_refine(substream, params);
-	format_mask = hw_param_mask_c(params, SNDRV_PCM_HW_PARAM_FORMAT);
-	kfree(params);
 	if (err < 0)
-		return err;
+		goto error;
+	format_mask = hw_param_mask_c(params, SNDRV_PCM_HW_PARAM_FORMAT);
 	for (fmt = 0; fmt < 32; ++fmt) {
 		if (snd_mask_test(format_mask, fmt)) {
 			int f = snd_pcm_oss_format_to(fmt);
@@ -1773,7 +1772,10 @@ static int snd_pcm_oss_get_formats(struc
 				formats |= f;
 		}
 	}
-	return formats;
+
+ error:
+	kfree(params);
+	return err < 0 ? err : formats;
 }
 
 static int snd_pcm_oss_set_format(struct snd_pcm_oss_file *pcm_oss_file, int format)
diff -druNp --no-dereference linux-libre-4.15.11-gnu/sound/core/seq/seq_clientmgr.c linux-libre-4.15.12-gnu/sound/core/seq/seq_clientmgr.c
--- linux-libre-4.15.11-gnu/sound/core/seq/seq_clientmgr.c	2018-03-19 04:10:00.000000000 -0400
+++ linux-libre-4.15.12-gnu/sound/core/seq/seq_clientmgr.c	2018-03-21 07:05:48.000000000 -0400
@@ -255,12 +255,12 @@ static int seq_free_client1(struct snd_s
 
 	if (!client)
 		return 0;
-	snd_seq_delete_all_ports(client);
-	snd_seq_queue_client_leave(client->number);
 	spin_lock_irqsave(&clients_lock, flags);
 	clienttablock[client->number] = 1;
 	clienttab[client->number] = NULL;
 	spin_unlock_irqrestore(&clients_lock, flags);
+	snd_seq_delete_all_ports(client);
+	snd_seq_queue_client_leave(client->number);
 	snd_use_lock_sync(&client->use_lock);
 	snd_seq_queue_client_termination(client->number);
 	if (client->pool)
diff -druNp --no-dereference linux-libre-4.15.11-gnu/sound/core/seq/seq_prioq.c linux-libre-4.15.12-gnu/sound/core/seq/seq_prioq.c
--- linux-libre-4.15.11-gnu/sound/core/seq/seq_prioq.c	2018-03-19 04:10:00.000000000 -0400
+++ linux-libre-4.15.12-gnu/sound/core/seq/seq_prioq.c	2018-03-21 07:05:48.000000000 -0400
@@ -87,7 +87,7 @@ void snd_seq_prioq_delete(struct snd_seq
 	if (f->cells > 0) {
 		/* drain prioQ */
 		while (f->cells > 0)
-			snd_seq_cell_free(snd_seq_prioq_cell_out(f));
+			snd_seq_cell_free(snd_seq_prioq_cell_out(f, NULL));
 	}
 	
 	kfree(f);
@@ -214,8 +214,18 @@ int snd_seq_prioq_cell_in(struct snd_seq
 	return 0;
 }
 
+/* return 1 if the current time >= event timestamp */
+static int event_is_ready(struct snd_seq_event *ev, void *current_time)
+{
+	if ((ev->flags & SNDRV_SEQ_TIME_STAMP_MASK) == SNDRV_SEQ_TIME_STAMP_TICK)
+		return snd_seq_compare_tick_time(current_time, &ev->time.tick);
+	else
+		return snd_seq_compare_real_time(current_time, &ev->time.time);
+}
+
 /* dequeue cell from prioq */
-struct snd_seq_event_cell *snd_seq_prioq_cell_out(struct snd_seq_prioq *f)
+struct snd_seq_event_cell *snd_seq_prioq_cell_out(struct snd_seq_prioq *f,
+						  void *current_time)
 {
 	struct snd_seq_event_cell *cell;
 	unsigned long flags;
@@ -227,6 +237,8 @@ struct snd_seq_event_cell *snd_seq_prioq
 	spin_lock_irqsave(&f->lock, flags);
 
 	cell = f->head;
+	if (cell && current_time && !event_is_ready(&cell->event, current_time))
+		cell = NULL;
 	if (cell) {
 		f->head = cell->next;
 
@@ -252,18 +264,6 @@ int snd_seq_prioq_avail(struct snd_seq_p
 	return f->cells;
 }
 
-
-/* peek at cell at the head of the prioq */
-struct snd_seq_event_cell *snd_seq_prioq_cell_peek(struct snd_seq_prioq * f)
-{
-	if (f == NULL) {
-		pr_debug("ALSA: seq: snd_seq_prioq_cell_in() called with NULL prioq\n");
-		return NULL;
-	}
-	return f->head;
-}
-
-
 static inline int prioq_match(struct snd_seq_event_cell *cell,
 			      int client, int timestamp)
 {
diff -druNp --no-dereference linux-libre-4.15.11-gnu/sound/core/seq/seq_prioq.h linux-libre-4.15.12-gnu/sound/core/seq/seq_prioq.h
--- linux-libre-4.15.11-gnu/sound/core/seq/seq_prioq.h	2018-03-19 04:10:00.000000000 -0400
+++ linux-libre-4.15.12-gnu/sound/core/seq/seq_prioq.h	2018-03-21 07:05:48.000000000 -0400
@@ -44,14 +44,12 @@ void snd_seq_prioq_delete(struct snd_seq
 int snd_seq_prioq_cell_in(struct snd_seq_prioq *f, struct snd_seq_event_cell *cell);
 
 /* dequeue cell from prioq */ 
-struct snd_seq_event_cell *snd_seq_prioq_cell_out(struct snd_seq_prioq *f);
+struct snd_seq_event_cell *snd_seq_prioq_cell_out(struct snd_seq_prioq *f,
+						  void *current_time);
 
 /* return number of events available in prioq */
 int snd_seq_prioq_avail(struct snd_seq_prioq *f);
 
-/* peek at cell at the head of the prioq */
-struct snd_seq_event_cell *snd_seq_prioq_cell_peek(struct snd_seq_prioq *f);
-
 /* client left queue */
 void snd_seq_prioq_leave(struct snd_seq_prioq *f, int client, int timestamp);        
 
diff -druNp --no-dereference linux-libre-4.15.11-gnu/sound/core/seq/seq_queue.c linux-libre-4.15.12-gnu/sound/core/seq/seq_queue.c
--- linux-libre-4.15.11-gnu/sound/core/seq/seq_queue.c	2018-03-19 04:10:00.000000000 -0400
+++ linux-libre-4.15.12-gnu/sound/core/seq/seq_queue.c	2018-03-21 07:05:48.000000000 -0400
@@ -277,30 +277,20 @@ void snd_seq_check_queue(struct snd_seq_
 
       __again:
 	/* Process tick queue... */
-	while ((cell = snd_seq_prioq_cell_peek(q->tickq)) != NULL) {
-		if (snd_seq_compare_tick_time(&q->timer->tick.cur_tick,
-					      &cell->event.time.tick)) {
-			cell = snd_seq_prioq_cell_out(q->tickq);
-			if (cell)
-				snd_seq_dispatch_event(cell, atomic, hop);
-		} else {
-			/* event remains in the queue */
+	for (;;) {
+		cell = snd_seq_prioq_cell_out(q->tickq,
+					      &q->timer->tick.cur_tick);
+		if (!cell)
 			break;
-		}
+		snd_seq_dispatch_event(cell, atomic, hop);
 	}
 
-
 	/* Process time queue... */
-	while ((cell = snd_seq_prioq_cell_peek(q->timeq)) != NULL) {
-		if (snd_seq_compare_real_time(&q->timer->cur_time,
-					      &cell->event.time.time)) {
-			cell = snd_seq_prioq_cell_out(q->timeq);
-			if (cell)
-				snd_seq_dispatch_event(cell, atomic, hop);
-		} else {
-			/* event remains in the queue */
+	for (;;) {
+		cell = snd_seq_prioq_cell_out(q->timeq, &q->timer->cur_time);
+		if (!cell)
 			break;
-		}
+		snd_seq_dispatch_event(cell, atomic, hop);
 	}
 
 	/* free lock */
diff -druNp --no-dereference linux-libre-4.15.11-gnu/sound/pci/hda/hda_intel.c linux-libre-4.15.12-gnu/sound/pci/hda/hda_intel.c
--- linux-libre-4.15.11-gnu/sound/pci/hda/hda_intel.c	2018-03-19 04:10:00.000000000 -0400
+++ linux-libre-4.15.12-gnu/sound/pci/hda/hda_intel.c	2018-03-21 07:05:48.000000000 -0400
@@ -181,11 +181,15 @@ static const struct kernel_param_ops par
 };
 #define param_check_xint param_check_int
 
-static int power_save = -1;
+static int power_save = CONFIG_SND_HDA_POWER_SAVE_DEFAULT;
 module_param(power_save, xint, 0644);
 MODULE_PARM_DESC(power_save, "Automatic power-saving timeout "
 		 "(in second, 0 = disable).");
 
+static bool pm_blacklist = true;
+module_param(pm_blacklist, bool, 0644);
+MODULE_PARM_DESC(pm_blacklist, "Enable power-management blacklist");
+
 /* reset the HD-audio controller in power save mode.
  * this may give more power-saving, but will take longer time to
  * wake up.
@@ -2300,10 +2304,9 @@ static int azx_probe_continue(struct azx
 
 	val = power_save;
 #ifdef CONFIG_PM
-	if (val == -1) {
+	if (pm_blacklist) {
 		const struct snd_pci_quirk *q;
 
-		val = CONFIG_SND_HDA_POWER_SAVE_DEFAULT;
 		q = snd_pci_quirk_lookup(chip->pci, power_save_blacklist);
 		if (q && val) {
 			dev_info(chip->card->dev, "device %04x:%04x is on the power_save blacklist, forcing power_save to 0\n",
diff -druNp --no-dereference linux-libre-4.15.11-gnu/tools/testing/selftests/x86/entry_from_vm86.c linux-libre-4.15.12-gnu/tools/testing/selftests/x86/entry_from_vm86.c
--- linux-libre-4.15.11-gnu/tools/testing/selftests/x86/entry_from_vm86.c	2018-03-19 04:10:00.000000000 -0400
+++ linux-libre-4.15.12-gnu/tools/testing/selftests/x86/entry_from_vm86.c	2018-03-21 07:05:48.000000000 -0400
@@ -95,6 +95,10 @@ asm (
 	"int3\n\t"
 	"vmcode_int80:\n\t"
 	"int $0x80\n\t"
+	"vmcode_popf_hlt:\n\t"
+	"push %ax\n\t"
+	"popf\n\t"
+	"hlt\n\t"
 	"vmcode_umip:\n\t"
 	/* addressing via displacements */
 	"smsw (2052)\n\t"
@@ -124,8 +128,8 @@ asm (
 
 extern unsigned char vmcode[], end_vmcode[];
 extern unsigned char vmcode_bound[], vmcode_sysenter[], vmcode_syscall[],
-	vmcode_sti[], vmcode_int3[], vmcode_int80[], vmcode_umip[],
-	vmcode_umip_str[], vmcode_umip_sldt[];
+	vmcode_sti[], vmcode_int3[], vmcode_int80[], vmcode_popf_hlt[],
+	vmcode_umip[], vmcode_umip_str[], vmcode_umip_sldt[];
 
 /* Returns false if the test was skipped. */
 static bool do_test(struct vm86plus_struct *v86, unsigned long eip,
@@ -175,7 +179,7 @@ static bool do_test(struct vm86plus_stru
 	    (VM86_TYPE(ret) == rettype && VM86_ARG(ret) == retarg)) {
 		printf("[OK]\tReturned correctly\n");
 	} else {
-		printf("[FAIL]\tIncorrect return reason\n");
+		printf("[FAIL]\tIncorrect return reason (started at eip = 0x%lx, ended at eip = 0x%lx)\n", eip, v86->regs.eip);
 		nerrs++;
 	}
 
@@ -264,6 +268,9 @@ int main(void)
 	v86.regs.ds = load_addr / 16;
 	v86.regs.es = load_addr / 16;
 
+	/* Use the end of the page as our stack. */
+	v86.regs.esp = 4096;
+
 	assert((v86.regs.cs & 3) == 0);	/* Looks like RPL = 0 */
 
 	/* #BR -- should deliver SIG??? */
@@ -295,6 +302,23 @@ int main(void)
 	v86.regs.eflags &= ~X86_EFLAGS_IF;
 	do_test(&v86, vmcode_sti - vmcode, VM86_STI, 0, "STI with VIP set");
 
+	/* POPF with VIP set but IF clear: should not trap */
+	v86.regs.eflags = X86_EFLAGS_VIP;
+	v86.regs.eax = 0;
+	do_test(&v86, vmcode_popf_hlt - vmcode, VM86_UNKNOWN, 0, "POPF with VIP set and IF clear");
+
+	/* POPF with VIP set and IF set: should trap */
+	v86.regs.eflags = X86_EFLAGS_VIP;
+	v86.regs.eax = X86_EFLAGS_IF;
+	do_test(&v86, vmcode_popf_hlt - vmcode, VM86_STI, 0, "POPF with VIP and IF set");
+
+	/* POPF with VIP clear and IF set: should not trap */
+	v86.regs.eflags = 0;
+	v86.regs.eax = X86_EFLAGS_IF;
+	do_test(&v86, vmcode_popf_hlt - vmcode, VM86_UNKNOWN, 0, "POPF with VIP clear and IF set");
+
+	v86.regs.eflags = 0;
+
 	/* INT3 -- should cause #BP */
 	do_test(&v86, vmcode_int3 - vmcode, VM86_TRAP, 3, "INT3");
 
@@ -318,7 +342,7 @@ int main(void)
 	clearhandler(SIGSEGV);
 
 	/* Make sure nothing explodes if we fork. */
-	if (fork() > 0)
+	if (fork() == 0)
 		return 0;
 
 	return (nerrs == 0 ? 0 : 1);
diff -druNp --no-dereference linux-libre-4.15.11-gnu/virt/kvm/arm/arch_timer.c linux-libre-4.15.12-gnu/virt/kvm/arm/arch_timer.c
--- linux-libre-4.15.11-gnu/virt/kvm/arm/arch_timer.c	2018-03-19 04:10:00.000000000 -0400
+++ linux-libre-4.15.12-gnu/virt/kvm/arm/arch_timer.c	2018-03-21 07:05:48.000000000 -0400
@@ -589,6 +589,7 @@ void kvm_timer_sync_hwstate(struct kvm_v
 
 int kvm_timer_vcpu_reset(struct kvm_vcpu *vcpu)
 {
+	struct arch_timer_cpu *timer = &vcpu->arch.timer_cpu;
 	struct arch_timer_context *vtimer = vcpu_vtimer(vcpu);
 	struct arch_timer_context *ptimer = vcpu_ptimer(vcpu);
 
@@ -602,6 +603,9 @@ int kvm_timer_vcpu_reset(struct kvm_vcpu
 	ptimer->cnt_ctl = 0;
 	kvm_timer_update_state(vcpu);
 
+	if (timer->enabled && irqchip_in_kernel(vcpu->kvm))
+		kvm_vgic_reset_mapped_irq(vcpu, vtimer->irq.irq);
+
 	return 0;
 }
 
@@ -773,7 +777,7 @@ int kvm_timer_hyp_init(bool has_gic)
 		}
 	}
 
-	kvm_info("virtual timer IRQ%d\n", host_vtimer_irq);
+	kvm_debug("virtual timer IRQ%d\n", host_vtimer_irq);
 
 	cpuhp_setup_state(CPUHP_AP_KVM_ARM_TIMER_STARTING,
 			  "kvm/arm/timer:starting", kvm_timer_starting_cpu,
diff -druNp --no-dereference linux-libre-4.15.11-gnu/virt/kvm/arm/hyp/vgic-v3-sr.c linux-libre-4.15.12-gnu/virt/kvm/arm/hyp/vgic-v3-sr.c
--- linux-libre-4.15.11-gnu/virt/kvm/arm/hyp/vgic-v3-sr.c	2018-03-19 04:10:00.000000000 -0400
+++ linux-libre-4.15.12-gnu/virt/kvm/arm/hyp/vgic-v3-sr.c	2018-03-21 07:05:48.000000000 -0400
@@ -215,7 +215,8 @@ void __hyp_text __vgic_v3_save_state(str
 	 * are now visible to the system register interface.
 	 */
 	if (!cpu_if->vgic_sre) {
-		dsb(st);
+		dsb(sy);
+		isb();
 		cpu_if->vgic_vmcr = read_gicreg(ICH_VMCR_EL2);
 	}
 
diff -druNp --no-dereference linux-libre-4.15.11-gnu/virt/kvm/arm/mmu.c linux-libre-4.15.12-gnu/virt/kvm/arm/mmu.c
--- linux-libre-4.15.11-gnu/virt/kvm/arm/mmu.c	2018-03-19 04:10:00.000000000 -0400
+++ linux-libre-4.15.12-gnu/virt/kvm/arm/mmu.c	2018-03-21 07:05:48.000000000 -0400
@@ -1760,9 +1760,9 @@ int kvm_mmu_init(void)
 	 */
 	BUG_ON((hyp_idmap_start ^ (hyp_idmap_end - 1)) & PAGE_MASK);
 
-	kvm_info("IDMAP page: %lx\n", hyp_idmap_start);
-	kvm_info("HYP VA range: %lx:%lx\n",
-		 kern_hyp_va(PAGE_OFFSET), kern_hyp_va(~0UL));
+	kvm_debug("IDMAP page: %lx\n", hyp_idmap_start);
+	kvm_debug("HYP VA range: %lx:%lx\n",
+		  kern_hyp_va(PAGE_OFFSET), kern_hyp_va(~0UL));
 
 	if (hyp_idmap_start >= kern_hyp_va(PAGE_OFFSET) &&
 	    hyp_idmap_start <  kern_hyp_va(~0UL) &&
diff -druNp --no-dereference linux-libre-4.15.11-gnu/virt/kvm/arm/vgic/vgic.c linux-libre-4.15.12-gnu/virt/kvm/arm/vgic/vgic.c
--- linux-libre-4.15.11-gnu/virt/kvm/arm/vgic/vgic.c	2018-03-19 04:10:00.000000000 -0400
+++ linux-libre-4.15.12-gnu/virt/kvm/arm/vgic/vgic.c	2018-03-21 07:05:48.000000000 -0400
@@ -460,6 +460,32 @@ int kvm_vgic_map_phys_irq(struct kvm_vcp
 	return ret;
 }
 
+/**
+ * kvm_vgic_reset_mapped_irq - Reset a mapped IRQ
+ * @vcpu: The VCPU pointer
+ * @vintid: The INTID of the interrupt
+ *
+ * Reset the active and pending states of a mapped interrupt.  Kernel
+ * subsystems injecting mapped interrupts should reset their interrupt lines
+ * when we are doing a reset of the VM.
+ */
+void kvm_vgic_reset_mapped_irq(struct kvm_vcpu *vcpu, u32 vintid)
+{
+	struct vgic_irq *irq = vgic_get_irq(vcpu->kvm, vcpu, vintid);
+	unsigned long flags;
+
+	if (!irq->hw)
+		goto out;
+
+	spin_lock_irqsave(&irq->irq_lock, flags);
+	irq->active = false;
+	irq->pending_latch = false;
+	irq->line_level = false;
+	spin_unlock_irqrestore(&irq->irq_lock, flags);
+out:
+	vgic_put_irq(vcpu->kvm, irq);
+}
+
 int kvm_vgic_unmap_phys_irq(struct kvm_vcpu *vcpu, unsigned int vintid)
 {
 	struct vgic_irq *irq;
@@ -649,22 +675,37 @@ static inline void vgic_set_underflow(st
 		vgic_v3_set_underflow(vcpu);
 }
 
+static inline void vgic_set_npie(struct kvm_vcpu *vcpu)
+{
+	if (kvm_vgic_global_state.type == VGIC_V2)
+		vgic_v2_set_npie(vcpu);
+	else
+		vgic_v3_set_npie(vcpu);
+}
+
 /* Requires the ap_list_lock to be held. */
-static int compute_ap_list_depth(struct kvm_vcpu *vcpu)
+static int compute_ap_list_depth(struct kvm_vcpu *vcpu,
+				 bool *multi_sgi)
 {
 	struct vgic_cpu *vgic_cpu = &vcpu->arch.vgic_cpu;
 	struct vgic_irq *irq;
 	int count = 0;
 
+	*multi_sgi = false;
+
 	DEBUG_SPINLOCK_BUG_ON(!spin_is_locked(&vgic_cpu->ap_list_lock));
 
 	list_for_each_entry(irq, &vgic_cpu->ap_list_head, ap_list) {
 		spin_lock(&irq->irq_lock);
 		/* GICv2 SGIs can count for more than one... */
-		if (vgic_irq_is_sgi(irq->intid) && irq->source)
-			count += hweight8(irq->source);
-		else
+		if (vgic_irq_is_sgi(irq->intid) && irq->source) {
+			int w = hweight8(irq->source);
+
+			count += w;
+			*multi_sgi |= (w > 1);
+		} else {
 			count++;
+		}
 		spin_unlock(&irq->irq_lock);
 	}
 	return count;
@@ -675,28 +716,43 @@ static void vgic_flush_lr_state(struct k
 {
 	struct vgic_cpu *vgic_cpu = &vcpu->arch.vgic_cpu;
 	struct vgic_irq *irq;
-	int count = 0;
+	int count;
+	bool npie = false;
+	bool multi_sgi;
+	u8 prio = 0xff;
 
 	DEBUG_SPINLOCK_BUG_ON(!spin_is_locked(&vgic_cpu->ap_list_lock));
 
-	if (compute_ap_list_depth(vcpu) > kvm_vgic_global_state.nr_lr)
+	count = compute_ap_list_depth(vcpu, &multi_sgi);
+	if (count > kvm_vgic_global_state.nr_lr || multi_sgi)
 		vgic_sort_ap_list(vcpu);
 
+	count = 0;
+
 	list_for_each_entry(irq, &vgic_cpu->ap_list_head, ap_list) {
 		spin_lock(&irq->irq_lock);
 
-		if (unlikely(vgic_target_oracle(irq) != vcpu))
-			goto next;
-
 		/*
-		 * If we get an SGI with multiple sources, try to get
-		 * them in all at once.
+		 * If we have multi-SGIs in the pipeline, we need to
+		 * guarantee that they are all seen before any IRQ of
+		 * lower priority. In that case, we need to filter out
+		 * these interrupts by exiting early. This is easy as
+		 * the AP list has been sorted already.
 		 */
-		do {
+		if (multi_sgi && irq->priority > prio) {
+			spin_unlock(&irq->irq_lock);
+			break;
+		}
+
+		if (likely(vgic_target_oracle(irq) == vcpu)) {
 			vgic_populate_lr(vcpu, irq, count++);
-		} while (irq->source && count < kvm_vgic_global_state.nr_lr);
 
-next:
+			if (irq->source) {
+				npie = true;
+				prio = irq->priority;
+			}
+		}
+
 		spin_unlock(&irq->irq_lock);
 
 		if (count == kvm_vgic_global_state.nr_lr) {
@@ -707,6 +763,9 @@ next:
 		}
 	}
 
+	if (npie)
+		vgic_set_npie(vcpu);
+
 	vcpu->arch.vgic_cpu.used_lrs = count;
 
 	/* Nuke remaining LRs */
diff -druNp --no-dereference linux-libre-4.15.11-gnu/virt/kvm/arm/vgic/vgic.h linux-libre-4.15.12-gnu/virt/kvm/arm/vgic/vgic.h
--- linux-libre-4.15.11-gnu/virt/kvm/arm/vgic/vgic.h	2018-03-19 04:10:00.000000000 -0400
+++ linux-libre-4.15.12-gnu/virt/kvm/arm/vgic/vgic.h	2018-03-21 07:05:48.000000000 -0400
@@ -151,6 +151,7 @@ void vgic_v2_fold_lr_state(struct kvm_vc
 void vgic_v2_populate_lr(struct kvm_vcpu *vcpu, struct vgic_irq *irq, int lr);
 void vgic_v2_clear_lr(struct kvm_vcpu *vcpu, int lr);
 void vgic_v2_set_underflow(struct kvm_vcpu *vcpu);
+void vgic_v2_set_npie(struct kvm_vcpu *vcpu);
 int vgic_v2_has_attr_regs(struct kvm_device *dev, struct kvm_device_attr *attr);
 int vgic_v2_dist_uaccess(struct kvm_vcpu *vcpu, bool is_write,
 			 int offset, u32 *val);
@@ -180,6 +181,7 @@ void vgic_v3_fold_lr_state(struct kvm_vc
 void vgic_v3_populate_lr(struct kvm_vcpu *vcpu, struct vgic_irq *irq, int lr);
 void vgic_v3_clear_lr(struct kvm_vcpu *vcpu, int lr);
 void vgic_v3_set_underflow(struct kvm_vcpu *vcpu);
+void vgic_v3_set_npie(struct kvm_vcpu *vcpu);
 void vgic_v3_set_vmcr(struct kvm_vcpu *vcpu, struct vgic_vmcr *vmcr);
 void vgic_v3_get_vmcr(struct kvm_vcpu *vcpu, struct vgic_vmcr *vmcr);
 void vgic_v3_enable(struct kvm_vcpu *vcpu);
diff -druNp --no-dereference linux-libre-4.15.11-gnu/virt/kvm/arm/vgic/vgic-v2.c linux-libre-4.15.12-gnu/virt/kvm/arm/vgic/vgic-v2.c
--- linux-libre-4.15.11-gnu/virt/kvm/arm/vgic/vgic-v2.c	2018-03-19 04:10:00.000000000 -0400
+++ linux-libre-4.15.12-gnu/virt/kvm/arm/vgic/vgic-v2.c	2018-03-21 07:05:48.000000000 -0400
@@ -37,6 +37,13 @@ void vgic_v2_init_lrs(void)
 		vgic_v2_write_lr(i, 0);
 }
 
+void vgic_v2_set_npie(struct kvm_vcpu *vcpu)
+{
+	struct vgic_v2_cpu_if *cpuif = &vcpu->arch.vgic_cpu.vgic_v2;
+
+	cpuif->vgic_hcr |= GICH_HCR_NPIE;
+}
+
 void vgic_v2_set_underflow(struct kvm_vcpu *vcpu)
 {
 	struct vgic_v2_cpu_if *cpuif = &vcpu->arch.vgic_cpu.vgic_v2;
@@ -64,7 +71,7 @@ void vgic_v2_fold_lr_state(struct kvm_vc
 	int lr;
 	unsigned long flags;
 
-	cpuif->vgic_hcr &= ~GICH_HCR_UIE;
+	cpuif->vgic_hcr &= ~(GICH_HCR_UIE | GICH_HCR_NPIE);
 
 	for (lr = 0; lr < vgic_cpu->used_lrs; lr++) {
 		u32 val = cpuif->vgic_lr[lr];
@@ -381,7 +388,7 @@ int vgic_v2_probe(const struct gic_kvm_i
 	kvm_vgic_global_state.type = VGIC_V2;
 	kvm_vgic_global_state.max_gic_vcpus = VGIC_V2_MAX_CPUS;
 
-	kvm_info("vgic-v2@%llx\n", info->vctrl.start);
+	kvm_debug("vgic-v2@%llx\n", info->vctrl.start);
 
 	return 0;
 out:
diff -druNp --no-dereference linux-libre-4.15.11-gnu/virt/kvm/arm/vgic/vgic-v3.c linux-libre-4.15.12-gnu/virt/kvm/arm/vgic/vgic-v3.c
--- linux-libre-4.15.11-gnu/virt/kvm/arm/vgic/vgic-v3.c	2018-03-19 04:10:00.000000000 -0400
+++ linux-libre-4.15.12-gnu/virt/kvm/arm/vgic/vgic-v3.c	2018-03-21 07:05:48.000000000 -0400
@@ -26,6 +26,13 @@ static bool group1_trap;
 static bool common_trap;
 static bool gicv4_enable;
 
+void vgic_v3_set_npie(struct kvm_vcpu *vcpu)
+{
+	struct vgic_v3_cpu_if *cpuif = &vcpu->arch.vgic_cpu.vgic_v3;
+
+	cpuif->vgic_hcr |= ICH_HCR_NPIE;
+}
+
 void vgic_v3_set_underflow(struct kvm_vcpu *vcpu)
 {
 	struct vgic_v3_cpu_if *cpuif = &vcpu->arch.vgic_cpu.vgic_v3;
@@ -47,7 +54,7 @@ void vgic_v3_fold_lr_state(struct kvm_vc
 	int lr;
 	unsigned long flags;
 
-	cpuif->vgic_hcr &= ~ICH_HCR_UIE;
+	cpuif->vgic_hcr &= ~(ICH_HCR_UIE | ICH_HCR_NPIE);
 
 	for (lr = 0; lr < vgic_cpu->used_lrs; lr++) {
 		u64 val = cpuif->vgic_lr[lr];
