From: Chao Gao <chao.gao@intel.com>
To: Jim Mattson <jmattson@google.com>
Cc: <seanjc@google.com>, <pbonzini@redhat.com>, <kvm@vger.kernel.org>
Subject: Re: [PATCH v5 1/2] KVM: VMX: Bury all of the VMX preemption timer code under CONFIG_X86_64=y
Date: Tue, 28 Jul 2026 13:16:01 +0800 [thread overview]
Message-ID: <amg7ER/JswQUpqk/@intel.com> (raw)
In-Reply-To: <20260724234914.987987-2-jmattson@google.com>
On Fri, Jul 24, 2026 at 04:49:13PM -0700, Jim Mattson wrote:
>From: Sean Christopherson <seanjc@google.com>
>
>Double down on using the VMX preemption timer only for 64-bit kernels, and
>bury the setup and runtime adjustment code, and all global variables, under
>CONFIG_X86_64=y. This will allow addressing various Intel erratum without
>running afoul of unused-but-set-variable and __udivdi3() warnings/errors on
>32-bit kernels.
>
>No functional change intended.
>
>Signed-off-by: Sean Christopherson <seanjc@google.com>
Reviewed-by: Chao Gao <chao.gao@intel.com>
next prev parent reply other threads:[~2026-07-28 5:16 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-24 23:49 [PATCH v5 0/2] Compute safe bound for VMX preemption timer Jim Mattson
2026-07-24 23:49 ` [PATCH v5 1/2] KVM: VMX: Bury all of the VMX preemption timer code under CONFIG_X86_64=y Jim Mattson
2026-07-28 5:16 ` Chao Gao [this message]
2026-07-28 7:13 ` Binbin Wu
2026-07-24 23:49 ` [PATCH v5 2/2] KVM: VMX: Cap VMX preemption timer to work around Intel erratum Jim Mattson
2026-07-28 7:22 ` Binbin Wu
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