Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull KVM updates from Paolo Bonzini:
 "Much x86 work was pushed out to 5.12, but ARM more than made up for it.

  ARM:
   - PSCI relay at EL2 when "protected KVM" is enabled
   - New exception injection code
   - Simplification of AArch32 system register handling
   - Fix PMU accesses when no PMU is enabled
   - Expose CSV3 on non-Meltdown hosts
   - Cache hierarchy discovery fixes
   - PV steal-time cleanups
   - Allow function pointers at EL2
   - Various host EL2 entry cleanups
   - Simplification of the EL2 vector allocation

  s390:
   - memcg accouting for s390 specific parts of kvm and gmap
   - selftest for diag318
   - new kvm_stat for when async_pf falls back to sync

  x86:
   - Tracepoints for the new pagetable code from 5.10
   - Catch VFIO and KVM irqfd events before userspace
   - Reporting dirty pages to userspace with a ring buffer
   - SEV-ES host support
   - Nested VMX support for wait-for-SIPI activity state
   - New feature flag (AVX512 FP16)
   - New system ioctl to report Hyper-V-compatible paravirtualization features

  Generic:
   - Selftest improvements"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (171 commits)
  KVM: SVM: fix 32-bit compilation
  KVM: SVM: Add AP_JUMP_TABLE support in prep for AP booting
  KVM: SVM: Provide support to launch and run an SEV-ES guest
  KVM: SVM: Provide an updated VMRUN invocation for SEV-ES guests
  KVM: SVM: Provide support for SEV-ES vCPU loading
  KVM: SVM: Provide support for SEV-ES vCPU creation/loading
  KVM: SVM: Update ASID allocation to support SEV-ES guests
  KVM: SVM: Set the encryption mask for the SVM host save area
  KVM: SVM: Add NMI support for an SEV-ES guest
  KVM: SVM: Guest FPU state save/restore not needed for SEV-ES guest
  KVM: SVM: Do not report support for SMM for an SEV-ES guest
  KVM: x86: Update __get_sregs() / __set_sregs() to support SEV-ES
  KVM: SVM: Add support for CR8 write traps for an SEV-ES guest
  KVM: SVM: Add support for CR4 write traps for an SEV-ES guest
  KVM: SVM: Add support for CR0 write traps for an SEV-ES guest
  KVM: SVM: Add support for EFER write traps for an SEV-ES guest
  KVM: SVM: Support string IO operations for an SEV-ES guest
  KVM: SVM: Support MMIO for an SEV-ES guest
  KVM: SVM: Create trace events for VMGEXIT MSR protocol processing
  KVM: SVM: Create trace events for VMGEXIT processing
  ...

1 files changed, 12 insertions, 10 deletions

diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index 425d3d75320b..dbafd057ca6a 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -60,6 +60,7 @@
 struct kvm_stats_debugfs_item debugfs_entries[] = {
 	VCPU_STAT("userspace_handled", exit_userspace),
 	VCPU_STAT("exit_null", exit_null),
+	VCPU_STAT("pfault_sync", pfault_sync),
 	VCPU_STAT("exit_validity", exit_validity),
 	VCPU_STAT("exit_stop_request", exit_stop_request),
 	VCPU_STAT("exit_external_request", exit_external_request),
@@ -1254,7 +1255,7 @@ static int kvm_s390_set_processor(struct kvm *kvm, struct kvm_device_attr *attr)
 		ret = -EBUSY;
 		goto out;
 	}
-	proc = kzalloc(sizeof(*proc), GFP_KERNEL);
+	proc = kzalloc(sizeof(*proc), GFP_KERNEL_ACCOUNT);
 	if (!proc) {
 		ret = -ENOMEM;
 		goto out;
@@ -1416,7 +1417,7 @@ static int kvm_s390_get_processor(struct kvm *kvm, struct kvm_device_attr *attr)
 	struct kvm_s390_vm_cpu_processor *proc;
 	int ret = 0;
 
-	proc = kzalloc(sizeof(*proc), GFP_KERNEL);
+	proc = kzalloc(sizeof(*proc), GFP_KERNEL_ACCOUNT);
 	if (!proc) {
 		ret = -ENOMEM;
 		goto out;
@@ -1444,7 +1445,7 @@ static int kvm_s390_get_machine(struct kvm *kvm, struct kvm_device_attr *attr)
 	struct kvm_s390_vm_cpu_machine *mach;
 	int ret = 0;
 
-	mach = kzalloc(sizeof(*mach), GFP_KERNEL);
+	mach = kzalloc(sizeof(*mach), GFP_KERNEL_ACCOUNT);
 	if (!mach) {
 		ret = -ENOMEM;
 		goto out;
@@ -1812,7 +1813,7 @@ static long kvm_s390_get_skeys(struct kvm *kvm, struct kvm_s390_skeys *args)
 	if (args->count < 1 || args->count > KVM_S390_SKEYS_MAX)
 		return -EINVAL;
 
-	keys = kvmalloc_array(args->count, sizeof(uint8_t), GFP_KERNEL);
+	keys = kvmalloc_array(args->count, sizeof(uint8_t), GFP_KERNEL_ACCOUNT);
 	if (!keys)
 		return -ENOMEM;
 
@@ -1857,7 +1858,7 @@ static long kvm_s390_set_skeys(struct kvm *kvm, struct kvm_s390_skeys *args)
 	if (args->count < 1 || args->count > KVM_S390_SKEYS_MAX)
 		return -EINVAL;
 
-	keys = kvmalloc_array(args->count, sizeof(uint8_t), GFP_KERNEL);
+	keys = kvmalloc_array(args->count, sizeof(uint8_t), GFP_KERNEL_ACCOUNT);
 	if (!keys)
 		return -ENOMEM;
 
@@ -2625,7 +2626,7 @@ static void sca_dispose(struct kvm *kvm)
 
 int kvm_arch_init_vm(struct kvm *kvm, unsigned long type)
 {
-	gfp_t alloc_flags = GFP_KERNEL;
+	gfp_t alloc_flags = GFP_KERNEL_ACCOUNT;
 	int i, rc;
 	char debug_name[16];
 	static unsigned long sca_offset;
@@ -2670,7 +2671,7 @@ int kvm_arch_init_vm(struct kvm *kvm, unsigned long type)
 
 	BUILD_BUG_ON(sizeof(struct sie_page2) != 4096);
 	kvm->arch.sie_page2 =
-	     (struct sie_page2 *) get_zeroed_page(GFP_KERNEL | GFP_DMA);
+	     (struct sie_page2 *) get_zeroed_page(GFP_KERNEL_ACCOUNT | GFP_DMA);
 	if (!kvm->arch.sie_page2)
 		goto out_err;
 
@@ -2900,7 +2901,7 @@ static int sca_switch_to_extended(struct kvm *kvm)
 	if (kvm->arch.use_esca)
 		return 0;
 
-	new_sca = alloc_pages_exact(sizeof(*new_sca), GFP_KERNEL|__GFP_ZERO);
+	new_sca = alloc_pages_exact(sizeof(*new_sca), GFP_KERNEL_ACCOUNT | __GFP_ZERO);
 	if (!new_sca)
 		return -ENOMEM;
 
@@ -3133,7 +3134,7 @@ void kvm_s390_vcpu_unsetup_cmma(struct kvm_vcpu *vcpu)
 
 int kvm_s390_vcpu_setup_cmma(struct kvm_vcpu *vcpu)
 {
-	vcpu->arch.sie_block->cbrlo = get_zeroed_page(GFP_KERNEL);
+	vcpu->arch.sie_block->cbrlo = get_zeroed_page(GFP_KERNEL_ACCOUNT);
 	if (!vcpu->arch.sie_block->cbrlo)
 		return -ENOMEM;
 	return 0;
@@ -3243,7 +3244,7 @@ int kvm_arch_vcpu_create(struct kvm_vcpu *vcpu)
 	int rc;
 
 	BUILD_BUG_ON(sizeof(struct sie_page) != 4096);
-	sie_page = (struct sie_page *) get_zeroed_page(GFP_KERNEL);
+	sie_page = (struct sie_page *) get_zeroed_page(GFP_KERNEL_ACCOUNT);
 	if (!sie_page)
 		return -ENOMEM;
 
@@ -4109,6 +4110,7 @@ static int vcpu_post_run(struct kvm_vcpu *vcpu, int exit_reason)
 		current->thread.gmap_pfault = 0;
 		if (kvm_arch_setup_async_pf(vcpu))
 			return 0;
+		vcpu->stat.pfault_sync++;
 		return kvm_arch_fault_in_page(vcpu, current->thread.gmap_addr, 1);
 	}
 	return vcpu_post_run_fault_in_sie(vcpu);