linux-kernel - Re: [PATCH v4 6/8] KVM: VMX: Bundle all L1 data cache flush mitigation code together

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Message-ID: <20251103182638.y7np5zuccmca6n7f@desk>
Date: Mon, 3 Nov 2025 10:26:38 -0800
From: Pawan Gupta <pawan.kumar.gupta@...ux.intel.com>
To: Sean Christopherson <seanjc@...gle.com>
Cc: Paolo Bonzini <pbonzini@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Borislav Petkov <bp@...en8.de>,
	Peter Zijlstra <peterz@...radead.org>,
	Josh Poimboeuf <jpoimboe@...nel.org>, kvm@...r.kernel.org,
	linux-kernel@...r.kernel.org, Brendan Jackman <jackmanb@...gle.com>
Subject: Re: [PATCH v4 6/8] KVM: VMX: Bundle all L1 data cache flush
 mitigation code together

On Thu, Oct 30, 2025 at 05:30:38PM -0700, 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.
> 
> Reviewed-by: Brendan Jackman <jackmanb@...gle.com>
> Signed-off-by: Sean Christopherson <seanjc@...gle.com>
> ---

Reviewed-by: Pawan Gupta <pawan.kumar.gupta@...ux.intel.com>