linux-kernel - Re: [PATCH v2] KVM: x86: Add SRCU protection for reading PDPTRs in __get

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Message-ID: <177016337221.570259.7480661884479606401.b4-ty@google.com>
Date: Tue,  3 Feb 2026 16:10:19 -0800
From: Sean Christopherson <seanjc@...gle.com>
To: Sean Christopherson <seanjc@...gle.com>, Paolo Bonzini <pbonzini@...hat.com>, 
	Vasiliy Kovalev <kovalev@...linux.org>
Cc: x86@...nel.org, kvm@...r.kernel.org, linux-kernel@...r.kernel.org, 
	lvc-project@...uxtesting.org
Subject: Re: [PATCH v2] KVM: x86: Add SRCU protection for reading PDPTRs in __get_sregs2()

On Sat, 24 Jan 2026 01:28:01 +0300, Vasiliy Kovalev wrote:
> Add SRCU read-side protection when reading PDPTR registers in
> __get_sregs2().
> 
> Reading PDPTRs may trigger access to guest memory:
> kvm_pdptr_read() -> svm_cache_reg() -> load_pdptrs() ->
> kvm_vcpu_read_guest_page() -> kvm_vcpu_gfn_to_memslot()
> 
> [...]

Applied to kvm-x86 misc, thanks!

[1/1] KVM: x86: Add SRCU protection for reading PDPTRs in __get_sregs2()
      https://github.com/kvm-x86/linux/commit/95d848dc7e63

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https://github.com/kvm-x86/linux/tree/next