From: Sean Christopherson Date: Thu, 10 Oct 2024 18:24:22 +0000 (-0700) Subject: KVM: s390: Use kvm_release_page_dirty() to unpin "struct page" memory X-Git-Tag: v6.13-rc1~97^2~17^2~5 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=d0ef8d9fbebe;p=thirdparty%2Fkernel%2Flinux.git KVM: s390: Use kvm_release_page_dirty() to unpin "struct page" memory Use kvm_release_page_dirty() when unpinning guest pages, as the pfn was retrieved via pin_guest_page(), i.e. is guaranteed to be backed by struct page memory. This will allow dropping kvm_release_pfn_dirty() and friends. Signed-off-by: Sean Christopherson Tested-by: Dmitry Osipenko Signed-off-by: Paolo Bonzini Message-ID: <20241010182427.1434605-81-seanjc@google.com> --- diff --git a/arch/s390/kvm/vsie.c b/arch/s390/kvm/vsie.c index 763a070f59557..e1fdf83879cf1 100644 --- a/arch/s390/kvm/vsie.c +++ b/arch/s390/kvm/vsie.c @@ -670,7 +670,7 @@ static int pin_guest_page(struct kvm *kvm, gpa_t gpa, hpa_t *hpa) /* Unpins a page previously pinned via pin_guest_page, marking it as dirty. */ static void unpin_guest_page(struct kvm *kvm, gpa_t gpa, hpa_t hpa) { - kvm_release_pfn_dirty(hpa >> PAGE_SHIFT); + kvm_release_page_dirty(pfn_to_page(hpa >> PAGE_SHIFT)); /* mark the page always as dirty for migration */ mark_page_dirty(kvm, gpa_to_gfn(gpa)); }