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KVM/arm64 fixes for 6.1, take #1

Browse source 
- Fix for stage-2 invalidation holding the VM MMU lock
   for too long by limiting the walk to the largest
   block mapping size
 
 - Enable stack protection and branch profiling for VHE
 
 - Two selftest fixes
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Merge tag 'kvmarm-fixes-6.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD

KVM/arm64 fixes for 6.1, take #1

- Fix for stage-2 invalidation holding the VM MMU lock
  for too long by limiting the walk to the largest
  block mapping size

- Enable stack protection and branch profiling for VHE

- Two selftest fixes
This commit is contained in:
Paolo Bonzini 2022-10-22 03:32:23 -04:00
commit 5834816829
7 changed files with 28 additions and 33 deletions
Download patch file Download diff file Expand all files Collapse all files

4
tools/testing/selftests/kvm/aarch64/vgic_init.c
View file

@ -662,8 +662,8 @@ int test_kvm_device(uint32_t gic_dev_type)
: KVM_DEV_TYPE_ARM_VGIC_V2;
if (!__kvm_test_create_device(v.vm, other)) {
ret = __kvm_test_create_device(v.vm, other);
TEST_ASSERT(ret && (errno == EINVAL || errno == EEXIST),
ret = __kvm_create_device(v.vm, other);
TEST_ASSERT(ret < 0 && (errno == EINVAL || errno == EEXIST),
"create GIC device while other version exists");
}

2
tools/testing/selftests/kvm/memslot_modification_stress_test.c
View file

@ -67,7 +67,7 @@ struct memslot_antagonist_args {
static void add_remove_memslot(struct kvm_vm *vm, useconds_t delay,
uint64_t nr_modifications)
{
const uint64_t pages = 1;
uint64_t pages = max_t(int, vm->page_size, getpagesize()) / vm->page_size;
uint64_t gpa;
int i;