From nobody Tue Nov 26 00:29:09 2024 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 71CA71E32A5; Wed, 23 Oct 2024 20:39:47 +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=1729715987; cv=none; b=qmKg6BTwCGBSi8KieIHAO4F+ZAp1UZmgApElNkO32i6yYuF2xpq/mWraL6orK57/sYBEb5EcJOrrzR6s5dOA8eTYMLx5uETYOp4S4ktNMzRJGcpnoRaEqE6cN59NmzAsz2PCWmzlxXPx1dFjndFLz3DGuugjECK1JjIkCPQTngM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729715987; c=relaxed/simple; bh=FhWCGlX4GqW3drCLhOz7oP3Ieg9TfDbYSvqYk0V+nyI=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=YgwwABD3/J/kTz5Kr/8EM+SesE/bFtucx1D2sVFrvQeKqqiS2/+63En/ugeJpOHrVpNv38gljL2cD6Jb1cL49EtCzB9shf6EGanEf15BapBoja5Z+rRPe+KxBT2ycUBT0/tIC9MYzgjf2vAbAlkdI1eGajkHw6Rvcdas0UX9s6s= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=cG2jZxEY; 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="cG2jZxEY" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5C8EAC4CEE5; Wed, 23 Oct 2024 20:39:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1729715987; bh=FhWCGlX4GqW3drCLhOz7oP3Ieg9TfDbYSvqYk0V+nyI=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=cG2jZxEYaHm79SoQxc8GhTLIsCsTiHQHhRBHsxmhAZolW8/XUSWmqgZsX/inQT+Jt cZ6Y85/epCbKDJXhUad5vZOsCkCSEh4bmOOcaDBwiSv0cEmXxOReInTXyNhB/Kqf+/ hmXCJjMqzKRREXXR9o7WUfErMqtj00v047ATZ378/zdQegMcSMpays2WcTa/2EAHAS l4ALs86z5InFdcs2ZmX/V/NYBXJOAtxivOzrlS7xi4yYAvSkQVbaUD89wTpZJQATcz BX75Sy1ZtkR8+L5Yj7rZdNPEixSkpt/NiWkdUmbbiKsBpn+Hy+0VYhS0ZtN84rTFLK PjbX9vj7TTskg== From: Mark Brown Date: Wed, 23 Oct 2024 21:38:31 +0100 Subject: [PATCH 3/6] kselftest/arm64: Corrupt P15 in the irritator when testing SSVE 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: quoted-printable Message-Id: <20241023-arm64-fp-stress-irritator-v1-3-a51af298d449@kernel.org> References: <20241023-arm64-fp-stress-irritator-v1-0-a51af298d449@kernel.org> In-Reply-To: <20241023-arm64-fp-stress-irritator-v1-0-a51af298d449@kernel.org> To: Catalin Marinas , Will Deacon , Shuah Khan Cc: Mark Rutland , linux-arm-kernel@lists.infradead.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, Mark Brown X-Mailer: b4 0.15-dev-9b746 X-Developer-Signature: v=1; a=openpgp-sha256; l=893; i=broonie@kernel.org; h=from:subject:message-id; bh=FhWCGlX4GqW3drCLhOz7oP3Ieg9TfDbYSvqYk0V+nyI=; b=owEBbQGS/pANAwAKASTWi3JdVIfQAcsmYgBnGV8HAtprWkaDeom0J0zZOIBZaJtVL+0CTV3rfZXo 5d9PGCOJATMEAAEKAB0WIQSt5miqZ1cYtZ/in+ok1otyXVSH0AUCZxlfBwAKCRAk1otyXVSH0IToB/ 9RCm0u32j8dB88IyUiR+Jhgoe6iur7nWhVM9wLnewqQD7jW/StOFMDou1lhDiduv8Rf/njUEjfqfSP NFkQaaRcQYqdDB9xJ88pl6oLiq3PEPbN09UaUp5iaDhUGMxGAhMDHKJfYIL9QGx7cMWSXGZkPVkB/d CbP5m2e4LFcmJysjRmhCJHJnRCoQDGx79bn1nWsOqYd1AHeouicl+OyjKhQW+c0KlOyG4BMCjm1y3e Bboe9erv4FX/4cTxqHbvc5Fx9UDu4D5MOIjYvS7jw8GPAw2M1SXzjUkx8RWUJNzPlhmOql5MZVlvn0 eU6Z/sCDxCJ5Cf+O4vLuIjNGnLSmE+ X-Developer-Key: i=broonie@kernel.org; a=openpgp; fpr=3F2568AAC26998F9E813A1C5C3F436CA30F5D8EB When building for streaming SVE the irritator for SVE skips updates of both P15 and FFR. While FFR is skipped since it might not be present there is no reason to skip corrupting P15 so move the ifdef appropriately. Signed-off-by: Mark Brown --- tools/testing/selftests/arm64/fp/sve-test.S | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/arm64/fp/sve-test.S b/tools/testing/se= lftests/arm64/fp/sve-test.S index f1fb9745c681786f686f1fafcb7e1154f3c8e1a3..3c88dfe9c8cad29f44217314aea= ffa984bac05e5 100644 --- a/tools/testing/selftests/arm64/fp/sve-test.S +++ b/tools/testing/selftests/arm64/fp/sve-test.S @@ -302,9 +302,9 @@ function irritator_handler movi v0.8b, #1 movi v9.16b, #2 movi v31.8b, #3 -#ifndef SSVE // And P0 rdffr p0.b +#ifndef SSVE // And FFR wrffr p15.b #endif --=20 2.39.2