KVM: x86/mmu: Split kvm_mmu_zap_all_fast() into "front" and "back" halves

Browse source

Split kvm_mmu_zap_all_fast() into a "front half" and a "back half", where
the front half is everything that runs with mmu_lock held for write, and
the back half is the code that runs outside of mmu_lock.  This will allow
putting more code inside kvm_arch_flush_shadow_memslot()'s critical section
without having to take mmu_lock twice in quick succession.

No functional change intended.

Cc: stable@vger.kernel.org # 6.12.x
Reviewed-by: Michael Roth <michael.roth@amd.com>
Link: https://patch.msgid.link/20260709204948.1988414-9-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>

...

This commit is contained in:

Sean Christopherson 2026-07-09 13:49:38 -07:00

parent 06d38eaa78

commit b27622c4ee

1 changed files with 25 additions and 12 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

37

arch/x86/kvm/mmu/mmu.c

View file