From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 54B2BC52D6F for ; Wed, 7 Aug 2024 22:23:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type:MIME-Version: Message-ID:Date:References:In-Reply-To:Subject:Cc:To:From:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=3ZVO8jPYcIWWyL3ex1mes3d5ZlFCIJ9T4CxX0DBumqo=; b=HA1fZhDwKv7hSIEqxr03mSaF+o ZZ/5aeIeTaY/sYJQseQmXc45J/kvPRguY5qoaNd/5SRpQqG6grvK2bD9f3XLnKFugsbmahGbtLaLh nNlC+h14fB2dYON/dx4AtktA5cMd8ttC8iCj5CsmptP/dDl53/fWbrL9gytTblHIR3ANhjnoYM+h/ fFr4/OqPGm1VlYfO/aM46MVYM8GFuPSwX7AYuvM/c8TdkFKr+Yg6d35lJ27YptGeZia62ZIh8GV0b m6lzb/lFN+Tt/9/w2/e2fhyCNsrBDmd9b6HJsBcLU4D2803wKMpejP6dQRua8cE+SP2kGN3/gC5Mv No9xb+qw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sbp3z-00000006R1I-0gqn; Wed, 07 Aug 2024 22:23:23 +0000 Received: from mail-pf1-x42d.google.com ([2607:f8b0:4864:20::42d]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sbp3J-00000006QlX-1mjA for linux-arm-kernel@lists.infradead.org; Wed, 07 Aug 2024 22:22:43 +0000 Received: by mail-pf1-x42d.google.com with SMTP id d2e1a72fcca58-70cec4aa1e4so282033b3a.1 for ; Wed, 07 Aug 2024 15:22:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1723069360; x=1723674160; darn=lists.infradead.org; h=mime-version:message-id:date:references:in-reply-to:subject:cc:to :from:from:to:cc:subject:date:message-id:reply-to; bh=3ZVO8jPYcIWWyL3ex1mes3d5ZlFCIJ9T4CxX0DBumqo=; b=r4t30SLMQ9d0kBy7KUUY2Ru9T0EfzCcZ2ksZB+h/Q74pVR/cv8qCfnIBw6NN21LXTR fqW/g2dVL9NmOwYt0L7POegZHE9hGcZdexbk/As9JLAesS73jGn+HntTOagirIPhtYog VoyXkvn2GlWO4W1Y3MZcCRr8wr7AMrtKRmV0jN5E1/9Ao/98RiUioGKN2QNuJEubVstG BhtKVTQ23iB3j98UyDb66bv16Udxpws28WWINVq0k0J/DNxEmbgl5EfbuiTFINQCaaFw pm2S+boS0gafeG36KfZ8YJYSG/SOwd/aERVOVTce8um9jDVA+gSQRQrheFZ0SzidTJ2Y oAjQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1723069360; x=1723674160; h=mime-version:message-id:date:references:in-reply-to:subject:cc:to :from:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=3ZVO8jPYcIWWyL3ex1mes3d5ZlFCIJ9T4CxX0DBumqo=; b=erWDxchcs6p+k0qj8waEF+L1Poc15LYfp6mJ1yBsgrtX9PWafb9/5NsQoJmybbJOF+ PWwP2G1ix+cj8jTl8sSnSzQvegED2i8EzHJSwGgs5rn86zWmV5DDwziWd8o48ZVUh8Em rZ254yMzn2Fk8D4NU4MJjOqGYK4VkJxp72LwCsWhAjbdG5hCoZqDivRN87Gw+BPbVhiu q6apUIssG6dgriFeQVPsSyWzUEE8axMSDqekEp6eFyImXyYwdYvy/IoiWTtr0gHkPmbW 17hNi/Fya6SKQTEMEVpx9aTf2QC1T2wm9U9gtsjFYa/YfD3clqDNg3n/6Ph1rMZhjtm0 CoTQ== X-Forwarded-Encrypted: i=1; AJvYcCWmvSblZTO8eNZfy8Al7cjtK36kfByjehRlRYGdIgkKNo2vJhMSQ/+7AzBxq5YpsZL1f5HBJH5vNBl/64fwsJbQ3t9iJlYZS7r2zXrtUUXvY/xWBBE= X-Gm-Message-State: AOJu0YxZgx+Brp/qfcCUzcES3GKbkgbe3VofcCcUDxiUERbOWhgcPYLt 5lkLcHwJB/xiaPrezRgr3Htdl3/bMZH8SFOB5XPnz9HU3Fkzc26LPKpbos9imbg= X-Google-Smtp-Source: AGHT+IH2Cc0g0B6ra70L5cg48YZJx7srHh+PqfLxpX9PDwnG8XSpUfpqxIf7dyUyWUuyhSQCs84ohw== X-Received: by 2002:a05:6a00:1302:b0:6f8:e1c0:472f with SMTP id d2e1a72fcca58-710cad5a30emr137306b3a.8.1723069360049; Wed, 07 Aug 2024 15:22:40 -0700 (PDT) Received: from localhost ([2804:14c:87d5:5261:6c30:472f:18a6:cae1]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-710cb228d37sm5911b3a.46.2024.08.07.15.22.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 07 Aug 2024 15:22:39 -0700 (PDT) From: Thiago Jung Bauermann To: Mark Brown Cc: Catalin Marinas , Will Deacon , Jonathan Corbet , Andrew Morton , Marc Zyngier , 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 , 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 27/40] kselftest/arm64: Verify the GCS hwcap In-Reply-To: <20240801-arm64-gcs-v10-27-699e2bd2190b@kernel.org> (Mark Brown's message of "Thu, 01 Aug 2024 13:06:54 +0100") References: <20240801-arm64-gcs-v10-0-699e2bd2190b@kernel.org> <20240801-arm64-gcs-v10-27-699e2bd2190b@kernel.org> Date: Wed, 07 Aug 2024 19:22:37 -0300 Message-ID: <87zfpodlci.fsf@linaro.org> MIME-Version: 1.0 Content-Type: text/plain X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240807_152241_517676_442E047E X-CRM114-Status: GOOD ( 10.28 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hello, Mark Brown writes: > Add coverage of the GCS hwcap to the hwcap selftest, using a read of > GCSPR_EL0 to generate SIGILL without having to worry about enabling GCS. > > Reviewed-by: Thiago Jung Bauermann > Signed-off-by: Mark Brown > --- > tools/testing/selftests/arm64/abi/hwcap.c | 19 +++++++++++++++++++ > 1 file changed, 19 insertions(+) The hwcap test passes on my FVP setup: Tested-by: Thiago Jung Bauermann -- Thiago