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Date: Thu, 2 Feb 2023 01:29:29 +0000 From: Sean Christopherson <seanjc@...gle.com> To: Lai Jiangshan <jiangshanlai@...il.com> Cc: linux-kernel@...r.kernel.org, Paolo Bonzini <pbonzini@...hat.com>, Lai Jiangshan <jiangshan.ljs@...group.com>, Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>, Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org, "H. Peter Anvin" <hpa@...or.com>, kvm@...r.kernel.org Subject: Re: [PATCH 5/7] kvm: x86/mmu: Move the code out of FNAME(sync_page)'s loop body into mmu.c On Thu, Jan 05, 2023, Lai Jiangshan wrote: > From: Lai Jiangshan <jiangshan.ljs@...group.com> > > Rename mmu->sync_page to mmu->sync_spte and move the code out > of FNAME(sync_page)'s loop body into mmu.c. > > Also initialize mmu->sync_spte as NULL for direct paging. Please split this up, we got burned before by making one of the mmu hooks NULL, I don't want a repeat of that. I.e. nullify the direct hook only when it's very clear it can't be dereferenced.
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