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 B429274416; Thu, 11 Jul 2024 08:16:46 +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=1720685808; cv=none; b=ZxX2Z1VKaVJqxXZM4jrnn5lrmncYEv9A1uRJ1u+COX+6AtY5CPFEt/9EyKDwz1i2ka0KAWjT1sE2C2NLw3GtxwvNgR6rbVihmCj4TT2ef+ngWJ7Px54Nzfyr5R0gq0XNtUZQazquinxh2iZznFzJonPNSbTSrtwTz2SEhTcF3xg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720685808; c=relaxed/simple; bh=QgeL2GqOGBjF1DLizKD6yRiZVHfq/LMsmIek5y8EN78=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=e78/wjfPUsM2BZgAS6G6gKNmHUCXPCldysCMWGoWcfSAwNoU7q9PUsAcQ02nUnHnLRpLu9hgiV+pMl41ovuyuEw4+7fLfTUmC+Oq7HkLsWBMIZvhYMYhcvEylRIe12wotBwVRAOlFhRmr4lcPBRnqs3h+NKLa79ltDqvVX4IEp8= 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=TtsbYuzi; 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="TtsbYuzi" 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=QgeL2GqOGBjF1DLizKD6yRiZVHfq/LMsmIek5y8EN78=; b=TtsbYuziPKcH1tdpn2eTwcTjtU n8A4XZ7GqNLHvESSPfJUll7xTTbgAAYN6N11zqioYiG6A5lameU28MOTp4rKr6AN9MiZO7W3nux2v RNzgqOru1J9b8ebLF0GIR/tlkBmPuhycRtPGScgAEF1o7fgAV+8s/NZWvwblJxXTz8T7L3ntsfCKN p/btlCalKJ8kKNxCm0WvkppjIOnoMAoEBqdlCH5gcQz/J93dt7o6KgSn1CIjeauEzvOSIOHpIPwpk odoRBLHMH7CYhFTCgf5b4eESGzFBA8ym1lZDeOGl4vyj9aa8VTsR6/C6+OkalqOL4DZqNnA3/VQ+A 5vlW/4hA==; Received: from j130084.upc-j.chello.nl ([24.132.130.84] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.97.1 #2 (Red Hat Linux)) id 1sRoya-0000000Akum-45Ao; Thu, 11 Jul 2024 08:16:29 +0000 Received: by noisy.programming.kicks-ass.net (Postfix, from userid 1000) id 92D8830050D; Thu, 11 Jul 2024 10:16:28 +0200 (CEST) Date: Thu, 11 Jul 2024 10:16:28 +0200 From: Peter Zijlstra To: Dave Hansen Cc: "Kirill A. Shutemov" , Borislav Petkov , Alexander Shishkin , Andy Lutomirski , Thomas Gleixner , Ingo Molnar , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Ard Biesheuvel , "Paul E. McKenney" , Josh Poimboeuf , Xiongwei Song , Xin Li , "Mike Rapoport (IBM)" , Brijesh Singh , Michael Roth , Tony Luck , Alexey Kardashevskiy , Jonathan Corbet , Sohil Mehta , Ingo Molnar , Pawan Gupta , Daniel Sneddon , Kai Huang , Sandipan Das , Breno Leitao , Rick Edgecombe , Yian Chen , Alexei Starovoitov , Hou Tao , Juergen Gross , Vegard Nossum , Kees Cook , Eric Biggers , Jason Gunthorpe , "Masami Hiramatsu (Google)" , Andrew Morton , Luis Chamberlain , Yuntao Wang , Rasmus Villemoes , Christophe Leroy , Tejun Heo , Changbin Du , Huang Shijie , Geert Uytterhoeven , Namhyung Kim , Arnaldo Carvalho de Melo , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-efi@vger.kernel.org Subject: Re: [PATCH v4 03/16] x86/alternatives: Disable LASS when patching kernel alternatives Message-ID: <20240711081628.GF4587@noisy.programming.kicks-ass.net> References: <20240710160655.3402786-1-alexander.shishkin@linux.intel.com> <20240710160655.3402786-4-alexander.shishkin@linux.intel.com> <20240710171836.GGZo7CbFJeZwLCZUAt@fat_crate.local> <7bbf9cae-6392-47a4-906c-7c27b1b1223d@intel.com> Precedence: bulk X-Mailing-List: linux-doc@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: <7bbf9cae-6392-47a4-906c-7c27b1b1223d@intel.com> On Wed, Jul 10, 2024 at 04:05:31PM -0700, Dave Hansen wrote: > But, I'm 100% sure that we want to distinguish a LASS-necessitated > stac()/clac() from a SMAP-necessitated one somehow. Yeah, if only to make it easier to understand the code.