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[2604:1380:45d1:ec00::1]) by mx.google.com with ESMTPS id b23-20020a67f997000000b00467313a1ac7si953977vsq.226.2024.02.20.06.04.51 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 20 Feb 2024 06:04:51 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel+bounces-73134-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45d1:ec00::1 as permitted sender) client-ip=2604:1380:45d1:ec00::1; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=RAiiaXqz; arc=pass (i=1 dkim=pass dkdomain=kernel.org); spf=pass (google.com: domain of linux-kernel+bounces-73134-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45d1:ec00::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-73134-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ny.mirrors.kernel.org (Postfix) with ESMTPS id 79C4C1C21557 for ; Tue, 20 Feb 2024 14:04:51 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 8FEAC6A8A5; Tue, 20 Feb 2024 14:04:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="RAiiaXqz" 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 BCD6F6A32D for ; Tue, 20 Feb 2024 14:04:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708437885; cv=none; b=SiL4NKi2uq0S31OY9svM59oS7YwFSS4rEoopNPWqwt62PGo5oND/q8ECal6AMKUrMR73TgLjovJ5amWEX7SqqEl3+vzQkt8DG7CzETSgYe5IXJHwnJf1Bui+XBLFyqdhpNlBrr/fTwM60fIgAmWN/8gDzpxVLjsdVdSnWWc19LE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708437885; c=relaxed/simple; bh=Ve7lzopPQlWU2SF13ezexWDYpFsoJbsHtNnpmpXEG0I=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version:Content-Type; b=Bk0ImlFfaVGt6inMiWn69gYeS6U3qkC8l8W79fOtwPvNsFKz2fxxV9AlIxv2+r5IeOpgdnAyICWzhFy2IOj4XVwW2FEXgQA/bJsVkmjn9VQBm90LiXtxV3DrsQ0EJLbEhGGGdkzuT89JuBV20xyeOvRnazCITRqIrIgmw35Z+9Y= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=RAiiaXqz; arc=none smtp.client-ip=10.30.226.201 Received: by smtp.kernel.org (Postfix) with ESMTPSA id A08B4C433C7; Tue, 20 Feb 2024 14:04:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1708437885; bh=Ve7lzopPQlWU2SF13ezexWDYpFsoJbsHtNnpmpXEG0I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=RAiiaXqz1GUZXsa4Jsv+xx/9SV9TydzyqfimjcTEgOQ/2dcPxBXxfBtHsbtOrjTTE BkjmQMaf7xC+McqG1B1+NiWdlgMAeXry6Pcl9iHC72R9dC9rLD789MubjLZE3DJ0nF lut83AS50+YqdBsaiaNE3UWS0KA/uZuzEybor4+PsJoxEPbdDycpwPSc1d6cwhWyEC EqHDCvJsAklZPV132e+GDJDorweozgIHoJfSSaIKyZV9iypLrJexXrkf/kuCWmtl2m ciZuWy0IdIDd7Y7pOCmk00lRaTVOO3XWjWlWm+QF5TMjLD2rysNU2UKIcPDCr+hKm2 3FPZ175a60lpg== From: Will Deacon To: Catalin Marinas , Mark Brown Cc: kernel-team@android.com, Will Deacon , linux-arm-kernel@lists.infradead.org, Jackson Cooper-Driver , linux-kernel@vger.kernel.org, Dave Martin Subject: Re: [PATCH v3 0/2] arm64/sme: Fix handling of traps on resume Date: Tue, 20 Feb 2024 14:04:38 +0000 Message-Id: <170843155702.2619064.8773471291853791364.b4-ty@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20240213-arm64-sme-resume-v3-0-17e05e493471@kernel.org> References: <20240213-arm64-sme-resume-v3-0-17e05e493471@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit On Tue, 13 Feb 2024 23:06:31 +0000, Mark Brown wrote: > The fast model was recently changed to reset system registers to 0 on > resume, exposing the fact that for SME we do not restore the > configuration of traps for extensions that add state. Fix this. > > Applied to arm64 (for-next/fixes), thanks! [1/2] arm64/sme: Restore SME registers on exit from suspend https://git.kernel.org/arm64/c/9533864816fb [2/2] arm64/sme: Restore SMCR_EL1.EZT0 on exit from suspend https://git.kernel.org/arm64/c/d7b77a0d565b Cheers, -- Will https://fixes.arm64.dev https://next.arm64.dev https://will.arm64.dev