KVM: x86: Defer MMU sync on PCID invalidation
authorSean Christopherson <seanjc@google.com>
Wed, 9 Jun 2021 23:42:32 +0000 (16:42 -0700)
committerPaolo Bonzini <pbonzini@redhat.com>
Thu, 17 Jun 2021 17:09:54 +0000 (13:09 -0400)
commite62f1aa8b9304f4608a6a1517e9041cec555c09d
tree8d51c4e9aea5c36e2023ca0171eb808a27b7792c
parent39353ab5790be2802b0de29caeba43015fb90dcf
KVM: x86: Defer MMU sync on PCID invalidation

Defer the MMU sync on PCID invalidation so that multiple sync requests in
a single VM-Exit are batched.  This is a very minor optimization as
checking for unsync'd children is quite cheap.

Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20210609234235.1244004-13-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
arch/x86/kvm/x86.c