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kvm: x86/mmu: Warn on linking when sp->unsync_children
authorLai Jiangshan <jiangshan.ljs@antgroup.com>
Mon, 12 Dec 2022 09:01:06 +0000 (17:01 +0800)
committerPaolo Bonzini <pbonzini@redhat.com>
Thu, 29 Dec 2022 20:33:13 +0000 (15:33 -0500)
commitc4a488685b84ad94f099aa6be066bf1488e4b73c
treee16689f6042ccd98d05c886f3017785e70dff47ftree | snapshot
parent80edc49f6a7544fa0fac122e177ffb63af60651ecommit | diff
kvm: x86/mmu: Warn on linking when sp->unsync_children

Since the commit 65855ed8b034 ("KVM: X86: Synchronize the shadow
pagetable before link it"), no sp would be linked with
sp->unsync_children = 1.

So make it WARN if it is the case.

Signed-off-by: Lai Jiangshan <jiangshan.ljs@antgroup.com>
Message-Id: <20221212090106.378206-1-jiangshanlai@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
arch/x86/kvm/mmu/mmu.c diff | blob | history
Domain: System / Kernel;