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 5712A13AA38 for ; Fri, 6 Sep 2024 12:29:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725625779; cv=none; b=SNU4nfiCoHdkDmB8X6dxSYtriX6/uTolhD0plDg7NLJOgPehFPJHNJAoH3o4Cv9UHUAWJghGkkAGOj1eyQPzuVw9bxsICg+5W6aBMIaaG/H1BxB3OvOMT9Mc1WvWZpFNmTqGIXVDIMObP/yBC6xu3cNhd+hiNl1Ai/uYY35whck= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725625779; c=relaxed/simple; bh=PxLGu3Ca4EsrSVa4/4/UwoiPxs1oF0tr0au4Y8hzzos=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version:Content-Type; b=swKFxjM54ECTyZ57VgU5sYnQfxMLoYLFulAHt5bi7Da+pEZqStlMqS3J1APSlVK2hdG4Je70QTD5sCZm3CWZsHd0GEF5bQ8tOCM/48cCV1qD6O3+9F0JXKcqA0L7TFqNXLbZua8WAUMeSqCxR1iQMqLy3aToLJsTUutp6cjdHcw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=dImowePr; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="dImowePr" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 78DB7C4CEC5; Fri, 6 Sep 2024 12:29:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1725625778; bh=PxLGu3Ca4EsrSVa4/4/UwoiPxs1oF0tr0au4Y8hzzos=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=dImowePrm0LBMSsdjBgePWCrl1V+4YlfiEwgT/22vmn/uBBkusawGKM92LE3r4Efg w8hT0CeTy9sKzDdVLcf7930nWiT8axV+TM5lXVA6l91Nb2UcCCXXD1wf2C5nbUHoeN t3wlH8AeKanIZcHnTo2QeZolXFVQhR5uDLke3Jf8qi7sRGKn4ohMOJmYC7yrTF6Lmu C2t5mDN9yMonB4Sonch3lCOOFUm2tfHdHQOCa2YSolxgy14fTBboRlDMhASm10xGIM VjmfHcFn5fiic6lBcQbR1Wn7sbKeMAsrbShtmCn+Bc4qe8Mr1nvY0kgpZg3bj3NQm9 PLw2RmHS66UOQ== From: Will Deacon To: Robin Murphy Cc: catalin.marinas@arm.com, kernel-team@android.com, Will Deacon , mark.rutland@arm.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/2] perf/arm-cmn: Clean up unnecessary NUMA_NO_NODE check Date: Fri, 6 Sep 2024 13:29:28 +0100 Message-Id: <172562388689.2321398.11794976470240341493.b4-ty@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <00634da33c21269a00844140afc7cc3a2ac1eb4d.1725474584.git.robin.murphy@arm.com> References: <00634da33c21269a00844140afc7cc3a2ac1eb4d.1725474584.git.robin.murphy@arm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit On Wed, 04 Sep 2024 19:41:54 +0100, Robin Murphy wrote: > Checking for NUMA_NO_NODE is a misleading and, on reflection, entirely > unnecessary micro-optimisation. If it ever did happen that an incoming > CPU has no NUMA affinity while the current CPU does, a questionably- > useful PMU migration isn't the biggest thing wrong with that picture... > > Applied to will (for-next/perf), thanks! [1/2] perf/arm-cmn: Clean up unnecessary NUMA_NO_NODE check https://git.kernel.org/will/c/f04b611e6650 [2/2] perf/arm-cmn: Improve format attr printing https://git.kernel.org/will/c/f32efa3e4bba Cheers, -- Will https://fixes.arm64.dev https://next.arm64.dev https://will.arm64.dev