From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 29B852BE7CD; Fri, 5 Jun 2026 09:00:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780650056; cv=none; b=RUzmWTup0SPMIVShQZFBaSlSA9vOIWrzQ7f4/FQToiSlbjXuEJknGtqzad8O2UnVBZdh1C9cOjasyl3tH7/QO4ma+051hLS8KE12zFzvNzYgRuynv+nNqZsStd7VyOeKQmEYwLVQ90G+c1NCdr1YzV08ljoIm2rSF5YJ3iAdGKM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780650056; c=relaxed/simple; bh=vvbeSno2B62nJ2RcsNqfbBHuUaeRlC6mnSj9MhLBpr4=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=eyf6SXj+z0X2avCVPsneUHiXMUyVx16pQRkOFahC+LDYD3hVBcJeOfuOJAgaoityLBIrLFHR6VykepJnXCmybscfa1xtSl2YsCNres85q+Fp8nr9AX6BhOM+VRCi9T9B0dI7g/JbvNeM9Dhhh/JXnkrhOdLU8Z0x4ZwRkx/6AS8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=k0oNyScv; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="k0oNyScv" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 29A981F00893; Fri, 5 Jun 2026 09:00:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1780650054; bh=D+bFvygL+Ug0LUoxpqEMhPDg5pAL7NiWhYFZYkPBBec=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=k0oNyScvFtXfG/NIp92ANnwVba5/Shc5Vc3Jn1xWbtTHI9JIbV+cSW9sGekVZWGVx FKm7bQsQsqp0PKdErjgJEQsOrSzBsLtv6cC/ODhyinYEQO39ff/hDhhK79bCFgkcKw hBesLqbYDcU9BUH0ZWbbF7bybY+VvYUMkbo3cilZ3uW9iRuWcwYPPpKlfhZC6qyiTK qArb5XKm8tSzLlR0Im8pxnuxGoRi3qRtRYjr3z3COAvAw+tkT7BHDhBUMVBAcfCzFR 1qNwbRzoYiX4Smk2bupUbO3FtWmP6L+2rLsz1CHe8uQ1dXVip4Ok8IKP1ceu5dihMd 5I2OB3neqmZmQ== Date: Fri, 5 Jun 2026 11:00:46 +0200 From: Ingo Molnar To: Juergen Gross Cc: linux-kernel@vger.kernel.org, x86@kernel.org, linux-perf-users@vger.kernel.org, linux-edac@vger.kernel.org, linux-pm@vger.kernel.org, platform-driver-x86@vger.kernel.org, Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , James Clark , Thomas Gleixner , Borislav Petkov , Dave Hansen , "H. Peter Anvin" , Tony Luck , "Rafael J. Wysocki" , Viresh Kumar , Huang Rui , Mario Limonciello , Perry Yuan , K Prateek Nayak , Srinivas Pandruvada , Len Brown , Hans de Goede , Ilpo =?iso-8859-1?Q?J=E4rvinen?= Subject: Re: [PATCH 2/8] x86/msr: Switch all callers of rdmsrq_on_cpu() to use rdmsr_on_cpu() Message-ID: References: <20260605070826.2995913-1-jgross@suse.com> <20260605070826.2995913-3-jgross@suse.com> Precedence: bulk X-Mailing-List: linux-edac@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260605070826.2995913-3-jgross@suse.com> * Juergen Gross wrote: > Now that rdmsr_on_cpu() has the same interface as rdmsrq_on_cpu(), the > callers of rdmsrq_on_cpu() can be switched to rdmsr_on_cpu() and > rdmsrq_on_cpu() can be removed. > > At the same time switch the only user of rdmsrl_on_cpu() to > rdmsr_on_cpu() and drop rdmsrl_on_cpu(), too. So instead of: x86/msr: Switch rdmsr_on_cpu() to return a 64-bit quantity x86/msr: Switch all callers of rdmsrq_on_cpu() to use rdmsr_on_cpu() We want something like this: x86/msr: Convert rdmsrl_on_cpu() users to rdmsrq_on_cpu() x86/msr: Drop the rdmsrl_on_cpu() alias to rdmsrq_on_cpu() x86/msr: Switch all callers of rdmsr_on_cpu() to use rdmsrq_on_cpu() x86/msr: Drop the obsolete rdmsr_on_cpu() API Patch #1-#2 can be a single patch I guess, since there's only a single user. Thanks, Ingo