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authorArnaldo Carvalho de Melo <acme@redhat.com>2022-01-10 15:35:41 -0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2022-01-10 15:35:41 -0300
commitdebe70e488968e82282db48fbbcf84b5080f742c (patch)
tree90f96f07c499bfc5bdbbeab3ca4a81a5a7672b61 /arch/x86/kvm/debugfs.c
parent65f8d08cf838df3c3d728cdef908090237931496 (diff)
parent133d9c53c9dcbb1b8f317e402e79c44d9eb725c9 (diff)
Merge remote-tracking branch 'torvalds/master' into perf/core
To pick up fixes. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'arch/x86/kvm/debugfs.c')
-rw-r--r--arch/x86/kvm/debugfs.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/kvm/debugfs.c b/arch/x86/kvm/debugfs.c
index 54a83a744538..f33c804a922a 100644
--- a/arch/x86/kvm/debugfs.c
+++ b/arch/x86/kvm/debugfs.c
@@ -95,6 +95,9 @@ static int kvm_mmu_rmaps_stat_show(struct seq_file *m, void *v)
unsigned int *log[KVM_NR_PAGE_SIZES], *cur;
int i, j, k, l, ret;
+ if (!kvm_memslots_have_rmaps(kvm))
+ return 0;
+
ret = -ENOMEM;
memset(log, 0, sizeof(log));
for (i = 0; i < KVM_NR_PAGE_SIZES; i++) {