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From: Sean Christopherson <seanjc@google.com>
To: Lai Jiangshan <jiangshanlai@gmail.com>
Cc: linux-kernel@vger.kernel.org, Paolo Bonzini <pbonzini@redhat.com>,
	Lai Jiangshan <jiangshan.ljs@antgroup.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
	kvm@vger.kernel.org
Subject: Re: [PATCH 5/7] kvm: x86/mmu: Move the code out of FNAME(sync_page)'s loop body into mmu.c
Date: Thu, 2 Feb 2023 01:29:29 +0000	[thread overview]
Message-ID: <Y9sR+ffQ99nl4Xyr@google.com> (raw)
In-Reply-To: <20230105095848.6061-6-jiangshanlai@gmail.com>

On Thu, Jan 05, 2023, Lai Jiangshan wrote:
> From: Lai Jiangshan <jiangshan.ljs@antgroup.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.

  reply	other threads:[~2023-02-02  1:29 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-05  9:58 [PATCH 0/7] kvm: x86/mmu: Share the same code to invalidate each vTLB entry Lai Jiangshan
2023-01-05  9:58 ` [PATCH 1/7] kvm: x86/mmu: Use KVM_MMU_ROOT_XXX for kvm_mmu_invalidate_gva() Lai Jiangshan
2023-02-02  1:21   ` Sean Christopherson
2023-02-03 14:51     ` Lai Jiangshan
2023-02-03 20:54       ` Sean Christopherson
2023-01-05  9:58 ` [PATCH 2/7] kvm: x86/mmu: Use kvm_mmu_invalidate_gva() in kvm_mmu_invpcid_gva() Lai Jiangshan
2023-02-02  1:21   ` Sean Christopherson
2023-01-05  9:58 ` [PATCH 3/7] kvm: x86/mmu: Use kvm_mmu_invalidate_gva() in nested_ept_invalidate_addr() Lai Jiangshan
2023-02-02  1:22   ` Sean Christopherson
2023-01-05  9:58 ` [PATCH 4/7] kvm: x86/mmu: Reduce the update to the spte in FNAME(sync_page) Lai Jiangshan
2023-01-05  9:58 ` [PATCH 5/7] kvm: x86/mmu: Move the code out of FNAME(sync_page)'s loop body into mmu.c Lai Jiangshan
2023-02-02  1:29   ` Sean Christopherson [this message]
2023-01-05  9:58 ` [PATCH 6/7] kvm: x86/mmu: Remove FNAME(invlpg) Lai Jiangshan
2023-02-02  1:30   ` Sean Christopherson
2023-01-05  9:58 ` [PATCH 7/7] kvm: x86/mmu: Remove @no_dirty_log from FNAME(prefetch_gpte) Lai Jiangshan
2023-01-19  0:53 ` [PATCH 0/7] kvm: x86/mmu: Share the same code to invalidate each vTLB entry Lai Jiangshan

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