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[2620:137:e000::3:7]) by mx.google.com with ESMTPS id 203-20020a6302d4000000b005ad5178d053si447284pgc.347.2023.10.13.04.08.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 13 Oct 2023 04:08:29 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:7 as permitted sender) client-ip=2620:137:e000::3:7; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=B22j3g4g; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:7 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by snail.vger.email (Postfix) with ESMTP id EAA0B80236F7; Fri, 13 Oct 2023 04:08:28 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at snail.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230147AbjJMLIY (ORCPT + 99 others); Fri, 13 Oct 2023 07:08:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58612 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230052AbjJMLIW (ORCPT ); Fri, 13 Oct 2023 07:08:22 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 988DDBD for ; Fri, 13 Oct 2023 04:08:21 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPSA id DDAC4C433C8; Fri, 13 Oct 2023 11:08:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1697195301; bh=hi+q84flLYEhDprUoXom2DC+HzOy1jmWdIiU+rrG4tE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=B22j3g4gdWW4b5wVYF+39gQrY4nyelWgMQzGW0RpCtqEySm/ov64ySMzMo/ACkp9l isEbikqLOG10KNRRkvaHf0NX1UGdaOOM8Ed90vbHQalp+ZjorFYdIKSJPlD7cs1J3A bSJPdOUobkCgV7DNW16xtTujfsbnfLtFRjmbJKItavW5CSVR1RiWg+htWSNQR6bZq4 N8qDZmhMbUsXgWguQmfBtOVVH3LBDszrmlUw7MFM48JZpaWK4A8GUYSJFfwXOKqytB xLqH/nRAxl+szGprP+BNNve6Jzln5fEbSM94x5nYupHmwIM1gkF2E+iz9prE2vHUe0 QD2fQVtOkUkAQ== Date: Fri, 13 Oct 2023 12:08:15 +0100 From: Mark Brown To: Will Deacon Cc: Jeremy Linton , linux-arm-kernel@lists.infradead.org, catalin.marinas@arm.com, mark.rutland@arm.com, maz@kernel.org, anshuman.khandual@arm.com, krisman@suse.de, james.morse@arm.com, ionela.voinescu@arm.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH] arm64: cpufeature: Display the set of cores with a feature Message-ID: References: <20231013013016.197102-1-jeremy.linton@arm.com> <20231013082948.GA13431@willie-the-truck> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="3I8rgvoMR9dErHZb" Content-Disposition: inline In-Reply-To: <20231013082948.GA13431@willie-the-truck> X-Cookie: BELA LUGOSI is my co-pilot ... X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (snail.vger.email [0.0.0.0]); Fri, 13 Oct 2023 04:08:29 -0700 (PDT) --3I8rgvoMR9dErHZb Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Fri, Oct 13, 2023 at 09:29:48AM +0100, Will Deacon wrote: > That's pretty neat. Are there any other caps we could switch over to this > new mechanism as well? We have a weird bodge, for example, in has_hw_dbm() > to print a "detected: ..." message and I wonder whether following the > example of the AMU would be better? There's 32 bit EL0, though that's a bit different... --3I8rgvoMR9dErHZb Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmUpJR8ACgkQJNaLcl1U h9BMOwf+J8IOx0JHYL+AtYtZr3OW7QwKGj2r51ktEXQC7q914StIZ0PKp/menLDb mYnCMfwY0dgvlv1IsUJXbSud4vrEO/D3lRtTa32cT0rg06lMD0w6isWigocPGwfI a3KskryY9Hm6ri2XcJnJfMzrmM0LB2VNytYEeF3ra0eVENJFF5YkIaUnUFEQ6UFk B+mIoKPiHNhwaV/8qMOp+X/QOuMvlv8T274rflx8xM9Mz5tj7qzHc/vRMHw5E9/h 0e0FMZoFeL7ORKrD9zJ/2HSdq43fOdLEJXmioJn6k/d5Yo+SLGll7rERdVvw+a96 x3qMV9FlPZKcuSu3al/oqv5CP9WaLQ== =Aipq -----END PGP SIGNATURE----- --3I8rgvoMR9dErHZb--