From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5845F7E for ; Wed, 2 Nov 2022 03:17:42 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5D29BC433C1; Wed, 2 Nov 2022 03:17:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1667359062; bh=icFqFopmqoX/aDGUC4FTvhp5GMXkbbyROAF2R6wfw1o=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=bEEL9d9zzhNu4L0bVszQQPZMH7xyQvXF8iUXhNmzrI6qy55UcnQgEloTMwEu1g/Wc MEL7vwPli51R0mpiPpyBfL7SpE9OsgNBcgzc2np0fbQL1sWS0sbl12/SJMKUD/XTa1 1RM0R3h3mc37KVOEQnZxScTi9+FDsZ/4sxru0e0M= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Maxim Levitsky , "Peter Zijlstra (Intel)" , Kan Liang , Sasha Levin Subject: [PATCH 5.10 43/91] perf/x86/intel/lbr: Use setup_clear_cpu_cap() instead of clear_cpu_cap() Date: Wed, 2 Nov 2022 03:33:26 +0100 Message-Id: <20221102022056.259490443@linuxfoundation.org> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221102022055.039689234@linuxfoundation.org> References: <20221102022055.039689234@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Maxim Levitsky [ Upstream commit b329f5ddc9ce4b622d9c7aaf5c6df4de52caf91a ] clear_cpu_cap(&boot_cpu_data) is very similar to setup_clear_cpu_cap() except that the latter also sets a bit in 'cpu_caps_cleared' which later clears the same cap in secondary cpus, which is likely what is meant here. Fixes: 47125db27e47 ("perf/x86/intel/lbr: Support Architectural LBR") Signed-off-by: Maxim Levitsky Signed-off-by: Peter Zijlstra (Intel) Reviewed-by: Kan Liang Link: https://lkml.kernel.org/r/20220718141123.136106-2-mlevitsk@redhat.com Signed-off-by: Sasha Levin --- arch/x86/events/intel/lbr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/events/intel/lbr.c b/arch/x86/events/intel/lbr.c index 42173a7be3bb..4b6c39c5facb 100644 --- a/arch/x86/events/intel/lbr.c +++ b/arch/x86/events/intel/lbr.c @@ -1847,7 +1847,7 @@ void __init intel_pmu_arch_lbr_init(void) return; clear_arch_lbr: - clear_cpu_cap(&boot_cpu_data, X86_FEATURE_ARCH_LBR); + setup_clear_cpu_cap(X86_FEATURE_ARCH_LBR); } /** -- 2.35.1