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 64AFF1D514E; Sun, 24 Nov 2024 12:41:15 +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=1732452075; cv=none; b=j4JHRAL4XdKPzted3zUT+ALydlG+B/sKMqzBgR5puL704MtzNjDKVAjW7scwkvoJ09mBG1bwEq5fBVsv6EomrDPW0+o9i+O/pBCpdCRLqD9NVeK5Ipi6UUuxNa5BAHEOjI9KjzJNshGNjZS816yy1c2Eu7gTzZNCS3bzBiL00u4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732452075; c=relaxed/simple; bh=yxGeVVGri2wpZ+0iD8qGbO6TdcZZxy4i4MTqaAO6Gx4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=sDdYCij7eBVY8SrKWEKyUHyAQEecwdyASJjwiY8cxzY9Wa1Au5xqH3v25mwNRve1JzRi9Fyp8/hSDwBscfT1gP359Ay/LxVG1Elo19opldrcXa2BBtQk6anaG0/rKVOys/MKoW3rNAugoGQAuLV6fkUe3Mn6DUDZdybygDKg4zA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=iDOeUL0M; 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="iDOeUL0M" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1921FC4CECC; Sun, 24 Nov 2024 12:41:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1732452075; bh=yxGeVVGri2wpZ+0iD8qGbO6TdcZZxy4i4MTqaAO6Gx4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=iDOeUL0MiivdrYj2uX7NvEXEQrHwUBwx2SLg7ZAOy+9Hp2HbnO3XTff3nCyiKY211 fYyHk8DQ0JEpcGjlu2dKadmgWAShPn6EXaYE2RDMHg/IRHzc5CQsp6tms9F90vxJ8G ibPJd7OGkx5LCxkpjSThSKe/Asl/jxPyvW0hermE8dAFvl+8ZlrTkGHT0AnYH46AMO GLFgIeiLrhZuurN9v0O0rjdpLz/7eLYXH+FDbL4h762Zhpzj9O9BJgCGHtkV6BR3xB B8QBaS5qrh/dafnWSBFxMDvSgpccOnrc53HJVrGqQe4HiXR9eFUgy3OhwKPnOZijm4 GLxhLnwm223Tg== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Mark Brown , Catalin Marinas , Sasha Levin , will@kernel.org, shuah@kernel.org, mark.rutland@arm.com, thiago.bauermann@linaro.org, linux-arm-kernel@lists.infradead.org, linux-kselftest@vger.kernel.org Subject: [PATCH AUTOSEL 6.6 8/9] kselftest/arm64: Corrupt P0 in the irritator when testing SSVE Date: Sun, 24 Nov 2024 07:40:46 -0500 Message-ID: <20241124124057.3336453-8-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241124124057.3336453-1-sashal@kernel.org> References: <20241124124057.3336453-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 6.6.63 Content-Transfer-Encoding: 8bit From: Mark Brown [ Upstream commit 3e360ef0c0a1fb6ce9a302e40b8057c41ba8a9d2 ] When building for streaming SVE the irritator for SVE skips updates of both P0 and FFR. While FFR is skipped since it might not be present there is no reason to skip corrupting P0 so switch to an instruction valid in streaming mode and move the ifdef. Signed-off-by: Mark Brown Link: https://lore.kernel.org/r/20241107-arm64-fp-stress-irritator-v2-3-c4b9622e36ee@kernel.org Signed-off-by: Catalin Marinas Signed-off-by: Sasha Levin --- tools/testing/selftests/arm64/fp/sve-test.S | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/testing/selftests/arm64/fp/sve-test.S b/tools/testing/selftests/arm64/fp/sve-test.S index 4328895dfc876..ff60360a97f80 100644 --- a/tools/testing/selftests/arm64/fp/sve-test.S +++ b/tools/testing/selftests/arm64/fp/sve-test.S @@ -304,9 +304,9 @@ function irritator_handler movi v0.8b, #1 movi v9.16b, #2 movi v31.8b, #3 -#ifndef SSVE // And P0 - rdffr p0.b + ptrue p0.d +#ifndef SSVE // And FFR wrffr p15.b #endif -- 2.43.0