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| author | Izik Eidus <izike@localhost.localdomain> | 2007-11-20 12:49:33 +0300 |
|---|---|---|
| committer | Avi Kivity <avi@qumranet.com> | 2008-01-30 18:53:09 +0300 |
| commit | b4231d61807cac8d9d257eb6979c1685fa9a171f (patch) | |
| tree | 36b2064c0df4a2b2e11c5d9a2221c097bb0c7be9 /drivers/kvm/paging_tmpl.h | |
| parent | 2065b3727ecdb64450597d70f7e13af00b85dbd8 (diff) | |
| download | linux-b4231d61807cac8d9d257eb6979c1685fa9a171f.tar.xz | |
KVM: MMU: Selectively set PageDirty when releasing guest memory
Improve dirty bit setting for pages that kvm release, until now every page
that we released we marked dirty, from now only pages that have potential
to get dirty we mark dirty.
Signed-off-by: Izik Eidus <izike@qumranet.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'drivers/kvm/paging_tmpl.h')
| -rw-r--r-- | drivers/kvm/paging_tmpl.h | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/kvm/paging_tmpl.h b/drivers/kvm/paging_tmpl.h index 77a2b22492bf..bf15d127a48f 100644 --- a/drivers/kvm/paging_tmpl.h +++ b/drivers/kvm/paging_tmpl.h @@ -212,8 +212,8 @@ static void FNAME(set_pte_common)(struct kvm_vcpu *vcpu, if (is_error_hpa(paddr)) { set_shadow_pte(shadow_pte, shadow_trap_nonpresent_pte | PT_SHADOW_IO_MARK); - kvm_release_page(pfn_to_page((paddr & PT64_BASE_ADDR_MASK) - >> PAGE_SHIFT)); + kvm_release_page_clean(pfn_to_page((paddr & PT64_BASE_ADDR_MASK) + >> PAGE_SHIFT)); return; } @@ -259,12 +259,12 @@ unshadowed: page = pfn_to_page((paddr & PT64_BASE_ADDR_MASK) >> PAGE_SHIFT); - kvm_release_page(page); + kvm_release_page_clean(page); } } else - kvm_release_page(pfn_to_page((paddr & PT64_BASE_ADDR_MASK) - >> PAGE_SHIFT)); + kvm_release_page_clean(pfn_to_page((paddr & PT64_BASE_ADDR_MASK) + >> PAGE_SHIFT)); if (!ptwrite || !*ptwrite) vcpu->last_pte_updated = shadow_pte; } @@ -503,7 +503,7 @@ static void FNAME(prefetch_page)(struct kvm_vcpu *vcpu, else sp->spt[i] = shadow_notrap_nonpresent_pte; kunmap_atomic(gpt, KM_USER0); - kvm_release_page(page); + kvm_release_page_clean(page); } #undef pt_element_t |