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From: Ingo Molnar <mingo@kernel.org>
To: Sean Christopherson <seanjc@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	x86@kernel.org, Paolo Bonzini <pbonzini@redhat.com>,
	Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
	Maxime Ripard <mripard@kernel.org>,
	Thomas Zimmermann <tzimmermann@suse.de>,
	David Airlie <airlied@gmail.com>, Simona Vetter <simona@ffwll.ch>,
	linux-kernel@vger.kernel.org, kvm@vger.kernel.org,
	dri-devel@lists.freedesktop.org,
	Zheyun Shen <szy0127@sjtu.edu.cn>,
	Tom Lendacky <thomas.lendacky@amd.com>,
	Kevin Loughlin <kevinloughlin@google.com>,
	Kai Huang <kai.huang@intel.com>,
	Mingwei Zhang <mizhang@google.com>
Subject: Re: [PATCH v2 3/8] x86, lib: Drop the unused return value from wbinvd_on_all_cpus()
Date: Sat, 17 May 2025 08:47:46 +0200	[thread overview]
Message-ID: <aCgxEhLBLIK-qq11@gmail.com> (raw)
In-Reply-To: <20250516212833.2544737-4-seanjc@google.com>


* Sean Christopherson <seanjc@google.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@google.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@kernel.org>

Thanks,

	Ingo

  reply	other threads:[~2025-05-17  6:48 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-05-16 21:28 [PATCH v2 0/8] x86, KVM: Optimize SEV cache flushing Sean Christopherson
2025-05-16 21:28 ` [PATCH v2 1/8] KVM: SVM: Remove wbinvd in sev_vm_destroy() Sean Christopherson
2025-05-16 21:28 ` [PATCH v2 2/8] drm/gpu: Remove dead checks on wbinvd_on_all_cpus()'s return value Sean Christopherson
2025-05-16 21:28 ` [PATCH v2 3/8] x86, lib: Drop the unused return value from wbinvd_on_all_cpus() Sean Christopherson
2025-05-17  6:47   ` Ingo Molnar [this message]
2025-05-16 21:28 ` [PATCH v2 4/8] x86, lib: Add WBNOINVD helper functions Sean Christopherson
2025-05-17  6:47   ` Ingo Molnar
2025-05-19 16:30     ` Sean Christopherson
2025-05-20  9:41       ` Ingo Molnar
2025-05-16 21:28 ` [PATCH v2 5/8] KVM: SEV: Prefer WBNOINVD over WBINVD for cache maintenance efficiency Sean Christopherson
2025-05-18  9:52   ` Francesco Lavra
2025-05-16 21:28 ` [PATCH v2 6/8] KVM: x86: Use wbinvd_on_cpu() instead of an open-coded equivalent Sean Christopherson
2025-05-16 21:28 ` [PATCH v2 7/8] x86, lib: Add wbinvd and wbnoinvd helpers to target multiple CPUs Sean Christopherson
2025-05-17  7:01   ` Ingo Molnar
2025-05-19 16:02     ` Sean Christopherson
2025-05-19 16:34     ` Sean Christopherson
2025-05-20  9:42       ` Ingo Molnar
2025-05-16 21:28 ` [PATCH v2 8/8] KVM: SVM: Flush cache only on CPUs running SEV guest Sean Christopherson
2025-05-19 17:48   ` Tom Lendacky

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