From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) (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 4620F23183B; Wed, 1 Oct 2025 07:23:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=90.155.50.34 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759303430; cv=none; b=raOw+nzWPldvGkH0IXS/8Adr6I9wQ8J8F9DqyVFapPgfwImacxWRBJBIw0O5LmK06+A+q382vFRq36KXHGzi73QndCale4khpWwxQx2aksPsxOZtei5Zr1xaRtTlRZBSUdSrZKik13iRZlSVprzkZSvIOFm1kmIZVpQXogtH3iY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759303430; c=relaxed/simple; bh=RYbmVxzXCzDEJEPoltKBWNXsPmhavy7hw8/o1Yi3jCA=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=GMUmbuQTwwstXxhLw/dXrZuUhS2JUCdu+b07aZ49TWzlSAYjuQuHoU6vqqdxgd4ClRk4E5C8H1Q6AD6ZHTyStp70VmXbgO6c5oY0TChN/L2sLJ+ReoqVks9aUwFge+Qt/uYiNhhKcTpUZZ/dg1uG4eSwWAY+ScYgwjFvjhnOiac= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=FsMlJ8Kj; arc=none smtp.client-ip=90.155.50.34 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="FsMlJ8Kj" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=RYbmVxzXCzDEJEPoltKBWNXsPmhavy7hw8/o1Yi3jCA=; b=FsMlJ8KjzDHutUALhWkAwR8ju7 JOogZwi++N4ETlA5/Q3gXhwt6fUfa18z3ykpy3dDfJggwpt7vgyBz/Xz4HG1/FXMClM/6C9w1yBpc PjSJrSJp2QWsNyX3pT3VZiSXFFfGaIj9+zE8xKmYQ3U/SrtYf8UfVn8sO+tmoWHgMHbaZkIOJQNMD QoE6VGecceAvsQjHw5puFp/v4LsLpFWS45AmC4XlGQSWk4s3pDSjaY+k6qHK/CsUQVM5id9hPr9EF WntXJ5MEK2sYhyYK+UouO51eCPW1Ri+IgnUnSuTXnirtG7EgWaRlCwXVQfUjHOjWifLr9DdvdlNFK wyqjm/7w==; Received: from 77-249-17-252.cable.dynamic.v4.ziggo.nl ([77.249.17.252] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.98.2 #2 (Red Hat Linux)) id 1v3rBc-00000009RM0-2N04; Wed, 01 Oct 2025 07:23:41 +0000 Received: by noisy.programming.kicks-ass.net (Postfix, from userid 1000) id C9AA0300212; Wed, 01 Oct 2025 09:23:40 +0200 (CEST) Date: Wed, 1 Oct 2025 09:23:40 +0200 From: Peter Zijlstra To: =?iso-8859-1?Q?J=FCrgen_Gro=DF?= Cc: linux-kernel@vger.kernel.org, x86@kernel.org, llvm@lists.linux.dev, xin@zytor.com, "H. Peter Anvin" , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , Nathan Chancellor , Nick Desaulniers , Bill Wendling , Justin Stitt Subject: Re: [PATCH v2 09/12] x86/msr: Use the alternatives mechanism for WRMSR Message-ID: <20251001072340.GM3245006@noisy.programming.kicks-ass.net> References: <20250930070356.30695-1-jgross@suse.com> <20250930070356.30695-10-jgross@suse.com> <20250930083137.GH3245006@noisy.programming.kicks-ass.net> <2df26cc0-53bc-499c-8c78-bc24fd8bf882@suse.com> <20250930085044.GK3245006@noisy.programming.kicks-ass.net> <20250930125156.GK1386988@noisy.programming.kicks-ass.net> <2ad137cb-ed38-42f6-ac0a-a81569051779@suse.com> <20251001064339.GL4067720@noisy.programming.kicks-ass.net> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20251001064339.GL4067720@noisy.programming.kicks-ass.net> On Wed, Oct 01, 2025 at 08:43:39AM +0200, Peter Zijlstra wrote: > Let me see how terrible it all ends up when using as macros Argh, as macros are differently painful. I hate computers :/