linux-kernel - Re: [PATCH v2 3/8] x86, lib: Drop the unused return value from wbinvd_on_all

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Message-ID: <aCgxEhLBLIK-qq11@gmail.com>
Date: Sat, 17 May 2025 08:47:46 +0200
From: Ingo Molnar <mingo@...nel.org>
To: Sean Christopherson <seanjc@...gle.com>
Cc: Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>,
	Borislav Petkov <bp@...en8.de>,
	Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org,
	Paolo Bonzini <pbonzini@...hat.com>,
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Maxime Ripard <mripard@...nel.org>,
	Thomas Zimmermann <tzimmermann@...e.de>,
	David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
	linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
	dri-devel@...ts.freedesktop.org, Zheyun Shen <szy0127@...u.edu.cn>,
	Tom Lendacky <thomas.lendacky@....com>,
	Kevin Loughlin <kevinloughlin@...gle.com>,
	Kai Huang <kai.huang@...el.com>, Mingwei Zhang <mizhang@...gle.com>
Subject: Re: [PATCH v2 3/8] x86, lib: Drop the unused return value from
 wbinvd_on_all_cpus()


* Sean Christopherson <seanjc@...gle.com> wrote:

> Drop wbinvd_on_all_cpus()'s return value; both the "real" version and the
> stub always return '0', and none of the callers check the return.
> 
> Signed-off-by: Sean Christopherson <seanjc@...gle.com>
> ---
>  arch/x86/include/asm/smp.h | 5 ++---
>  arch/x86/lib/cache-smp.c   | 3 +--
>  2 files changed, 3 insertions(+), 5 deletions(-)

Reviewed-by: Ingo Molnar <mingo@...nel.org>

Thanks,

	Ingo