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 0AA3F1BD4F9; Fri, 16 Aug 2024 14:06:53 +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=1723817214; cv=none; b=agUKIwIjCpAY/Z2+vz7ykLHfS60y/oRYmOc818UojHa1+fFidTDE2Q3Ca0ynLJ2o2uNWW7voSEl+9b2OFA33XHd6/JfF1eFI41sFm6OFfSygElOteIUSe8QmaOGj+dxBDEZrpHX8lGXmScMuu3p8jUCaOPhVSVKf4kPgE3qA0LE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723817214; c=relaxed/simple; bh=OQCasV0qLEorva6+jZCHbOFeu58LkoqzYG8jvCIKmhQ=; h=Date:Message-ID:From:To:Cc:Subject:In-Reply-To:References: MIME-Version:Content-Type; b=kaqyKthYu3uDuu75iiEQk0sD7KPDfMduQRqZh9Ihe4y+sSr8+g4+h7BLkpRlwf7l5pNY2p+OQWW8B+R3cBy6TuYskws1wwhWaFrzM92z1yhygfuaZGiUzLx4jGvqKp6k7I/M1eAZc1574/poXswRfyO64krPF3Ou8B3PaRYELmw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ssIkfR4D; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="ssIkfR4D" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5D938C32782; Fri, 16 Aug 2024 14:06:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1723817213; bh=OQCasV0qLEorva6+jZCHbOFeu58LkoqzYG8jvCIKmhQ=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=ssIkfR4DI9V0y35FdbbrdGuQoByvzQyc6ztEvRIA6EEtmk53yruZjBXgDTybYzXax AOsPd0wU9slEv4bN8aKkqZnO+TGhmBzSWmvl0KVwUFDDpoZA71gsAxvnxJ+2WE7RTn 1bVqY716qBtKF/XZiD6nlXN6Mbsg11zj3myax9zzlAhbmZ7V2BJnuolnT2ora6OiTo sZNS348ryJzaJxu+9KUk3ED8jEoaEWX4NPnu5JSnXzW7Iru8SY5+FENB8r9j3PBRug uLVBrzX8Wo2yYQkQwet2h+eFaxZiPV6wYymPKMXxivMke55ttXoxgXpPAFFsO0o1+n GGBqqubT5OuYg== 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 1sexbO-004IF8-NS; Fri, 16 Aug 2024 15:06:50 +0100 Date: Fri, 16 Aug 2024 15:06:50 +0100 Message-ID: <86ikw0zhmt.wl-maz@kernel.org> From: Marc Zyngier To: Mark Brown Cc: Catalin Marinas , Will Deacon , Jonathan Corbet , Andrew Morton , Oliver Upton , James Morse , Suzuki K Poulose , Arnd Bergmann , Oleg Nesterov , Eric Biederman , Shuah Khan , "Rick P. Edgecombe" , Deepak Gupta , Ard Biesheuvel , Szabolcs Nagy , Kees Cook , "H.J. Lu" , Paul Walmsley , Palmer Dabbelt , Albert Ou , Florian Weimer , Christian Brauner , Thiago Jung Bauermann , Ross Burton , linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org, kvmarm@lists.linux.dev, linux-fsdevel@vger.kernel.org, linux-arch@vger.kernel.org, linux-mm@kvack.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org Subject: Re: [PATCH v10 00/40] arm64/gcs: Provide support for GCS in userspace In-Reply-To: <20240801-arm64-gcs-v10-0-699e2bd2190b@kernel.org> References: <20240801-arm64-gcs-v10-0-699e2bd2190b@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/29.4 (aarch64-unknown-linux-gnu) MULE/6.0 (HANACHIRUSATO) Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org 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, corbet@lwn.net, akpm@linux-foundation.org, oliver.upton@linux.dev, james.morse@arm.com, suzuki.poulose@arm.com, arnd@arndb.de, oleg@redhat.com, ebiederm@xmission.com, shuah@kernel.org, rick.p.edgecombe@intel.com, debug@rivosinc.com, ardb@kernel.org, Szabolcs.Nagy@arm.com, kees@kernel.org, hjl.tools@gmail.com, paul.walmsley@sifive.com, palmer@dabbelt.com, aou@eecs.berkeley.edu, fweimer@redhat.com, brauner@kernel.org, thiago.bauermann@linaro.org, ross.burton@arm.com, linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org, kvmarm@lists.linux.dev, linux-fsdevel@vger.kernel.org, linux-arch@vger.kernel.org, linux-mm@kvack.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false On Thu, 01 Aug 2024 13:06:27 +0100, Mark Brown wrote: [...] > - Don't change writability of ID_AA64PFR1_EL1 for KVM. How does it work then? M. -- Without deviation from the norm, progress is not possible.