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authorLinus Torvalds <torvalds@linux-foundation.org>2022-06-24 12:17:47 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2022-06-24 12:17:47 -0700
commite946554905c1d04da2a094ce4fdf47708f570bef (patch)
tree58acc732a370216467dfb5bde747d7a45f59c98f /tools
parent38bc4ac431684498126f9baa3a530e5a132f0173 (diff)
parent6defa24d3b12bbd418bc8526dea1cbc605265c06 (diff)
downloadlinux-e946554905c1d04da2a094ce4fdf47708f570bef.tar.gz
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini:
 "ARM64:

   - Fix a regression with pKVM when kmemleak is enabled

   - Add Oliver Upton as an official KVM/arm64 reviewer

  selftests:

   - deal with compiler optimizations around hypervisor exits

  x86:

   - MAINTAINERS reorganization

   - Two SEV fixes"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  KVM: SEV: Init target VMCBs in sev_migrate_from
  KVM: x86/svm: add __GFP_ACCOUNT to __sev_dbg_{en,de}crypt_user()
  MAINTAINERS: Reorganize KVM/x86 maintainership
  selftests: KVM: Handle compiler optimizations in ucall
  KVM: arm64: Add Oliver as a reviewer
  KVM: arm64: Prevent kmemleak from accessing pKVM memory
  tools/kvm_stat: fix display of error when multiple processes are found
Diffstat (limited to 'tools')
-rwxr-xr-xtools/kvm/kvm_stat/kvm_stat3
-rw-r--r--tools/testing/selftests/kvm/lib/aarch64/ucall.c9
2 files changed, 6 insertions, 6 deletions
diff --git a/tools/kvm/kvm_stat/kvm_stat b/tools/kvm/kvm_stat/kvm_stat
index 5a5bd74f55bd..9c366b3a676d 100755
--- a/tools/kvm/kvm_stat/kvm_stat
+++ b/tools/kvm/kvm_stat/kvm_stat
@@ -1646,7 +1646,8 @@ Press any other key to refresh statistics immediately.
                          .format(values))
             if len(pids) > 1:
                 sys.exit('Error: Multiple processes found (pids: {}). Use "-p"'
-                         ' to specify the desired pid'.format(" ".join(pids)))
+                         ' to specify the desired pid'
+                         .format(" ".join(map(str, pids))))
             namespace.pid = pids[0]
 
     argparser = argparse.ArgumentParser(description=description_text,
diff --git a/tools/testing/selftests/kvm/lib/aarch64/ucall.c b/tools/testing/selftests/kvm/lib/aarch64/ucall.c
index e0b0164e9af8..be1d9728c4ce 100644
--- a/tools/testing/selftests/kvm/lib/aarch64/ucall.c
+++ b/tools/testing/selftests/kvm/lib/aarch64/ucall.c
@@ -73,20 +73,19 @@ void ucall_uninit(struct kvm_vm *vm)
 
 void ucall(uint64_t cmd, int nargs, ...)
 {
-	struct ucall uc = {
-		.cmd = cmd,
-	};
+	struct ucall uc = {};
 	va_list va;
 	int i;
 
+	WRITE_ONCE(uc.cmd, cmd);
 	nargs = nargs <= UCALL_MAX_ARGS ? nargs : UCALL_MAX_ARGS;
 
 	va_start(va, nargs);
 	for (i = 0; i < nargs; ++i)
-		uc.args[i] = va_arg(va, uint64_t);
+		WRITE_ONCE(uc.args[i], va_arg(va, uint64_t));
 	va_end(va);
 
-	*ucall_exit_mmio_addr = (vm_vaddr_t)&uc;
+	WRITE_ONCE(*ucall_exit_mmio_addr, (vm_vaddr_t)&uc);
 }
 
 uint64_t get_ucall(struct kvm_vm *vm, uint32_t vcpu_id, struct ucall *uc)