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 8A9CF6125 for ; Mon, 5 Dec 2022 17:29:57 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4C102C433C1; Mon, 5 Dec 2022 17:29:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1670261397; bh=rGThX//Vr1og/2ailLtUTMKLZ2sDP9Sevx/ByKW4tOQ=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=gzhPqHSByp8YBafYkcx/c1QFQESLhW/5pzq4/jjopqI3BOOEC8o3P1vtFFX3HqBlM 5F1Y5omOPsk2iuqqLCxNHBo0RcSOhhewETUrWi9CHBHzYBDuO7mNX0IUSOzo5oGvhS AAWqSV5HWx02Zkvm0vOfujz5bYZ7Go8BO578mzWu/5UHSiBTsamKzLZO8SJiM0GwrI 6m6AIZys4tldMWLNSqmxhigUCfhThGozrLQh8VMqr3FSz42yQnKeAlxjkP4uBu6TCb Y92k0LmGt3rBFjE37S4e9yFZ2pJ5ytsP0S8JORzBjjQaRTcXcoCj655wc4wK3V0++N uhUvCy96EQ0pA== Received: from sofa.misterjones.org ([185.219.108.64] helo=goblin-girl.misterjones.org) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.95) (envelope-from ) id 1p2FHu-00AdFY-KA; Mon, 05 Dec 2022 17:29:55 +0000 Date: Mon, 05 Dec 2022 17:29:54 +0000 Message-ID: <86tu29lpwt.wl-maz@kernel.org> From: Marc Zyngier To: Mark Brown Cc: Catalin Marinas , Will Deacon , Lorenzo Pieralisi , Mark Rutland , Sami Mujawar , Thomas Gleixner , linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev Subject: Re: [PATCH v2 05/14] arm64/asm: Introduce assembly macros for managing ALLINT In-Reply-To: <20221112151708.175147-6-broonie@kernel.org> References: <20221112151708.175147-1-broonie@kernel.org> <20221112151708.175147-6-broonie@kernel.org> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM-LB/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL-LB/10.8 EasyPG/1.0.0 Emacs/27.1 (aarch64-unknown-linux-gnu) MULE/6.0 (HANACHIRUSATO) Precedence: bulk X-Mailing-List: kvmarm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: broonie@kernel.org, catalin.marinas@arm.com, will@kernel.org, lpieralisi@kernel.org, mark.rutland@arm.com, Sami.Mujawar@arm.com, tglx@linutronix.de, linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false On Sat, 12 Nov 2022 15:16:59 +0000, Mark Brown wrote: > > In order to allow assembly code to ensure that not even superpriorty > interrupts can preempt it provide macros for enabling and disabling ^ \ Insert comma here > ALLINT.ALLINT. This is not integrated into the existing DAIF macros > since we do not always wish to manage ALLINT along with DAIF and the ^ Insert comma here / > use of DAIF in the naming of the existing macros might lead to surprises > if ALLINT is also managed. M. -- Without deviation from the norm, progress is not possible.