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authorPeter Gonda2022-03-30 09:43:06 -0700
committerPaolo Bonzini2022-04-05 08:09:36 -0400
commit00c22013467069197dc006c943ca1f0395ca8aaa (patch)
treec61f4dd1be0e9263b25cb56053a35a23920d1b51 /arch/x86/kvm
parent3123109284176b1532874591f7c81f3837bbdc17 (diff)
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.c1
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();
}
}