Commit 00c22013 authored by Peter Gonda's avatar Peter Gonda Committed by Paolo Bonzini
Browse files

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: default avatarPeter 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: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent 31231092

arch/x86/kvm/svm/sev.c

+1 −0
Original line number Diff line number Diff line
@@ -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();

	}

}