From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from fanzine2.igalia.com (fanzine2.igalia.com [213.97.179.56]) (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 A2CA93E6392 for ; Tue, 8 Sep 2026 21:06:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.97.179.56 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788901614; cv=none; b=O5XZTX949beA0UQ9pjYGfI4k2hI4+OfJI/1gDEdF7s/s4+JDiLCGAVkzzE4zpjzADSTgQZYw5brwFSxk+HVKRaDQ4P1RhieoDyuX968CyJBXVKuAYh0WqYjYEi5Vboo4EHinROazJlYilFeu9o4tH1HLr6DlzrqEsE6KXBlZDBE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788901614; c=relaxed/simple; bh=RCHIyf1NOyzfdfoy38JnZ5JxI6Bh2ugZ1ku6gHKi4g8=; h=MIME-Version:Date:From:To:Cc:Subject:In-Reply-To:References: Message-ID:Content-Type; b=coH4SAJLQZWmHeWYeL1aMkL6CT2PVwDaYOR8CUEqmHhq1A+RRcBGZppKt+pJK1dRp94GHUYEjbb3Ev8hKFVvPQ2c42PwLS0afP8XF6k7cSZK1TEUTZCrcK062l2h42K3lMRvNvid9mjyhw1tZkglKUXBvAajH8EFX+NVV+4aTbE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=igalia.com; spf=pass smtp.mailfrom=igalia.com; dkim=pass (2048-bit key) header.d=igalia.com header.i=@igalia.com header.b=V5NqWq41; arc=none smtp.client-ip=213.97.179.56 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=igalia.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=igalia.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=igalia.com header.i=@igalia.com header.b="V5NqWq41" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=igalia.com; s=20170329; h=Content-Transfer-Encoding:Content-Type:Message-ID:Subject:Cc:To :From:Date:MIME-Version:From:Reply-To; bh=W0woORh2sNhrNSjAwp60+N8VcUpv9x0tKH5X9eMmLCg=; b=V5NqWq41aeMDKSrS6F5dVbnjgf wmRNBzjY7koiaSRlpGgHcaEW+WiAjGfhY/AEBITXtuN8+Kj0qi1WkK9OzF0EWMNO42/ZOFej31+MA NGAaehYeDoel9AG2AePrXiLwxJHohpFSAXawU2in6A+w+AuGEpKLe1yII5ZaFS1qqYALtstTNnmOC 2s+3GD2s/LB1h6jOgF5kc/LMFN1w/Teo51XlhZuHYFSRRd073dS50NCZfUOZq2f2x7ICyy/IWFAam P7XJzaL2aI1lgZg3A/is2Ir0mMDVhCGr/verxPv1N4zGbjDZ9Epx56fgVqg0lWScqdp3txuKyvqNJ MSbbubvg==; Received: from maestria.local.igalia.com ([192.168.10.14] helo=mail.igalia.com) by fanzine2.igalia.com with esmtps (Cipher TLS1.3:ECDHE_SECP256R1__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim) id 1x431K-00GhLn-AS; Tue, 08 Sep 2026 23:06:22 +0200 Received: from webmail.service.igalia.com ([192.168.21.45]) by mail.igalia.com with esmtp (Exim) id 1x431J-006po3-Hm; Tue, 08 Sep 2026 23:06:22 +0200 Received: from localhost ([127.0.0.1] helo=webmail.igalia.com) by webmail.service.igalia.com with esmtp (Exim 4.98.2) (envelope-from ) id 1x431J-00000007CH8-21e5; Tue, 08 Sep 2026 23:06:21 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Date: Tue, 08 Sep 2026 18:06:21 -0300 From: Mauricio Faria de Oliveira To: Borislav Petkov Cc: "H. Peter Anvin" , Thomas Gleixner , Ingo Molnar , Dave Hansen , x86@kernel.org, Juergen Gross , Alexey Dobriyan , Boris Ostrovsky , Jan Beulich , Brian Gerst , kernel-dev@igalia.com, linux-kernel@vger.kernel.org, xen-devel@lists.xenproject.org Subject: Re: [PATCH v9 2/5] x86/asm, x86/boot: expose inline memcmp() In-Reply-To: <20260908193229.GFaqBizWcssBoewNSo@fat_crate.local> References: <20260822-pvh-kasan-inline-v9-0-e70ef3b75b6a@igalia.com> <20260822-pvh-kasan-inline-v9-2-e70ef3b75b6a@igalia.com> <20260906170116.GRap2cXOY6ENSzAXUJ@fat_crate.local> <20260908193229.GFaqBizWcssBoewNSo@fat_crate.local> Message-ID: X-Sender: mfo@igalia.com Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Spam-Report: NO, Score=-2.1, Tests=ALL_TRUSTED=-3,BAYES_50=0.8,KAM_DMARC_NONE=0.125,KAM_DMARC_STATUS=0.005 X-Spam-Score: -20 X-Spam-Bar: -- On 2026-09-08 16:32, Borislav Petkov wrote: > On Tue, Sep 08, 2026 at 03:04:53PM -0300, Mauricio Faria de Oliveira wrote: >> Boris, perhaps the approach here could be changed to add an actual >> memcmp()-like inline implementation (e.g., as provided in a previous >> revision, without return value differences), or continue with the >> memeq()-like memcmp() from arch/x86/boot/ but rename it to memeq() ? > > Nah, new functionality is not needed. We can add it later when it is really needed. Ack, and to confirm: not rename the existing one, either? -- Mauricio