From: Sean Christopherson <seanjc@google.com>
To: Sean Christopherson <seanjc@google.com>,
Paolo Bonzini <pbonzini@redhat.com>,
Vasiliy Kovalev <kovalev@altlinux.org>
Cc: x86@kernel.org, kvm@vger.kernel.org,
linux-kernel@vger.kernel.org, lvc-project@linuxtesting.org
Subject: Re: [PATCH v2] KVM: x86: Add SRCU protection for reading PDPTRs in __get_sregs2()
Date: Tue, 3 Feb 2026 16:10:19 -0800 [thread overview]
Message-ID: <177016337221.570259.7480661884479606401.b4-ty@google.com> (raw)
In-Reply-To: <20260123222801.646123-1-kovalev@altlinux.org>
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
--
https://github.com/kvm-x86/linux/tree/next
prev parent reply other threads:[~2026-02-04 0:10 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-23 22:28 Vasiliy Kovalev
2026-02-04 0:10 ` Sean Christopherson [this message]
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