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

Pull kvm fixes from Paolo Bonzini:
 "Bugfixes for ARM, x86 and tools"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  tools/kvm_stat: Exempt time-based counters
  KVM: mmu: Fix SPTE encoding of MMIO generation upper half
  kvm: x86/mmu: Use cpuid to determine max gfn
  kvm: svm: de-allocate svm_cpu_data for all cpus in svm_cpu_uninit()
  selftests: kvm/set_memory_region_test: Fix race in move region test
  KVM: arm64: Add usage of stage 2 fault lookup level in user_mem_abort()
  KVM: arm64: Fix handling of merging tables into a block entry
  KVM: arm64: Fix memory leak on stage2 update of a valid PTE

2 files changed, 18 insertions, 5 deletions

diff --git a/tools/kvm/kvm_stat/kvm_stat b/tools/kvm/kvm_stat/kvm_stat
index d199a3694be8..b0bf56c5f120 100755
--- a/tools/kvm/kvm_stat/kvm_stat
+++ b/tools/kvm/kvm_stat/kvm_stat
@@ -742,7 +742,11 @@ class DebugfsProvider(Provider):
         The fields are all available KVM debugfs files
 
         """
-        return self.walkdir(PATH_DEBUGFS_KVM)[2]
+        exempt_list = ['halt_poll_fail_ns', 'halt_poll_success_ns']
+        fields = [field for field in self.walkdir(PATH_DEBUGFS_KVM)[2]
+                  if field not in exempt_list]
+
+        return fields
 
     def update_fields(self, fields_filter):
         """Refresh fields, applying fields_filter"""
diff --git a/tools/testing/selftests/kvm/set_memory_region_test.c b/tools/testing/selftests/kvm/set_memory_region_test.c
index b3ece55a2da6..6f441dd9f33c 100644
--- a/tools/testing/selftests/kvm/set_memory_region_test.c
+++ b/tools/testing/selftests/kvm/set_memory_region_test.c
@@ -156,14 +156,23 @@ static void guest_code_move_memory_region(void)
 	GUEST_SYNC(0);
 
 	/*
-	 * Spin until the memory region is moved to a misaligned address.  This
-	 * may or may not trigger MMIO, as the window where the memslot is
-	 * invalid is quite small.
+	 * Spin until the memory region starts getting moved to a
+	 * misaligned address.
+	 * Every region move may or may not trigger MMIO, as the
+	 * window where the memslot is invalid is usually quite small.
 	 */
 	val = guest_spin_on_val(0);
 	GUEST_ASSERT_1(val == 1 || val == MMIO_VAL, val);
 
-	/* Spin until the memory region is realigned. */
+	/* Spin until the misaligning memory region move completes. */
+	val = guest_spin_on_val(MMIO_VAL);
+	GUEST_ASSERT_1(val == 1 || val == 0, val);
+
+	/* Spin until the memory region starts to get re-aligned. */
+	val = guest_spin_on_val(0);
+	GUEST_ASSERT_1(val == 1 || val == MMIO_VAL, val);
+
+	/* Spin until the re-aligning memory region move completes. */
 	val = guest_spin_on_val(MMIO_VAL);
 	GUEST_ASSERT_1(val == 1, val);