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| author | Peter Gonda <pgonda@google.com> | 2022-03-30 09:43:06 -0700 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2022-04-05 08:09:36 -0400 |
| commit | 00c22013467069197dc006c943ca1f0395ca8aaa (patch) | |
| tree | c61f4dd1be0e9263b25cb56053a35a23920d1b51 /arch/x86/kvm | |
| parent | 3123109284176b1532874591f7c81f3837bbdc17 (diff) | |
| download | linux-stable-00c22013467069197dc006c943ca1f0395ca8aaa.tar.gz linux-stable-00c22013467069197dc006c943ca1f0395ca8aaa.tar.bz2 linux-stable-00c22013467069197dc006c943ca1f0395ca8aaa.zip | |
KVM: SEV: Add cond_resched() to loop in sev_clflush_pages()
Add resched to avoid warning from sev_clflush_pages() with large number
of pages.
Signed-off-by: Peter Gonda <pgonda@google.com>
Cc: Sean Christopherson <seanjc@google.com>
Cc: kvm@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Message-Id: <20220330164306.2376085-1-pgonda@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm')
| -rw-r--r-- | arch/x86/kvm/svm/sev.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c index 75fa6dd268f0..c2fe89ecdb2d 100644 --- a/arch/x86/kvm/svm/sev.c +++ b/arch/x86/kvm/svm/sev.c @@ -465,6 +465,7 @@ static void sev_clflush_pages(struct page *pages[], unsigned long npages) page_virtual = kmap_atomic(pages[i]); clflush_cache_range(page_virtual, PAGE_SIZE); kunmap_atomic(page_virtual); + cond_resched(); } } |