linux-kernel - Re: [PATCH v3 2/4] KVM: VMX: Bundle all L1 data cache flush mitigation code together

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Message-ID: <DDO1IEM7301W.2R6AISX39D3UW@google.com>
Date: Tue, 21 Oct 2025 13:38:32 +0000
From: Brendan Jackman <jackmanb@...gle.com>
To: Sean Christopherson <seanjc@...gle.com>, Paolo Bonzini <pbonzini@...hat.com>
Cc: <kvm@...r.kernel.org>, <linux-kernel@...r.kernel.org>, 
	Pawan Gupta <pawan.kumar.gupta@...ux.intel.com>, Brendan Jackman <jackmanb@...gle.com>
Subject: Re: [PATCH v3 2/4] KVM: VMX: Bundle all L1 data cache flush
 mitigation code together

On Thu Oct 16, 2025 at 8:04 PM UTC, Sean Christopherson wrote:
> Move vmx_l1d_flush(), vmx_cleanup_l1d_flush(), and the vmentry_l1d_flush
> param code up in vmx.c so that all of the L1 data cache flushing code is
> bundled together.  This will allow conditioning the mitigation code on
> CONFIG_CPU_MITIGATIONS=y with minimal #ifdefs.
>
> No functional change intended.
>
> Signed-off-by: Sean Christopherson <seanjc@...gle.com>

Reviewed-by: Brendan Jackman <jackmanb@...gle.com>

(Git says no changed lines)