diff options
| author | Sean Christopherson <seanjc@google.com> | 2024-10-10 20:23:14 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2024-10-25 18:57:58 +0200 |
| commit | e2d2ca71ac03c748dbc44e0dd7dc1557befb1ab6 (patch) | |
| tree | aad9845a65e93e4a080babc88a3a0aaf24ce0c8b /Documentation/virt/kvm | |
| parent | KVM: Rename gfn_to_page_many_atomic() to kvm_prefetch_pages() (diff) | |
| download | linux-e2d2ca71ac03c748dbc44e0dd7dc1557befb1ab6.tar.xz linux-e2d2ca71ac03c748dbc44e0dd7dc1557befb1ab6.zip | |
KVM: Drop @atomic param from gfn=>pfn and hva=>pfn APIs
Drop @atomic from the myriad "to_pfn" APIs now that all callers pass
"false", and remove a comment blurb about KVM running only the "GUP fast"
part in atomic context.
No functional change intended.
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Sean Christopherson <seanjc@google.com>
Tested-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-ID: <20241010182427.1434605-13-seanjc@google.com>
Diffstat (limited to 'Documentation/virt/kvm')
| -rw-r--r-- | Documentation/virt/kvm/locking.rst | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/Documentation/virt/kvm/locking.rst b/Documentation/virt/kvm/locking.rst index 693090bfc66d..f463ac42ac7a 100644 --- a/Documentation/virt/kvm/locking.rst +++ b/Documentation/virt/kvm/locking.rst @@ -135,8 +135,8 @@ We dirty-log for gfn1, that means gfn2 is lost in dirty-bitmap. For direct sp, we can easily avoid it since the spte of direct sp is fixed to gfn. For indirect sp, we disabled fast page fault for simplicity. -A solution for indirect sp could be to pin the gfn, for example via -gfn_to_pfn_memslot_atomic, before the cmpxchg. After the pinning: +A solution for indirect sp could be to pin the gfn before the cmpxchg. After +the pinning: - We have held the refcount of pfn; that means the pfn can not be freed and be reused for another gfn. |