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 9808E1DF26B; Sun, 24 Nov 2024 12:42:18 +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=1732452138; cv=none; b=Y/9rqcB9i5L8ZQtE68Dz4kt8r35xWLJiWDeKLmcB4akzRwCKKt/s/frzprWpuybyw13pgqop6L65KUVt6OFl/x0/P9A3ACo2Dr/HmanL2myxOGR3eUtQYKJlWA2Qxx+nZH3uDI5rQ/z4Jk6xBdWlfCscjR0d4Aasba3CIRDybeQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732452138; c=relaxed/simple; bh=6pfOqibsCE2HGXSmSvgOSWW28Hn3vo3smyAJ7UMWNP4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=sGc3VcMqBmPyypW2NObaVBEvZiFvb1q74aXcRS1lidSej403k6J36hOyzHnlqFbj6S+p63D9bFejlclo5NFpCvMe8DMJgacN2qZX1jj66dC58/LgTrPlFp8iQ2VTMa2avRbX1FPnCvsn3rg/N4aTIjqh25XUsFre7HD+yMywMrA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Fy4y6FxO; 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="Fy4y6FxO" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 510F1C4CECC; Sun, 24 Nov 2024 12:42:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1732452138; bh=6pfOqibsCE2HGXSmSvgOSWW28Hn3vo3smyAJ7UMWNP4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Fy4y6FxOmiyK6hF+ttlhQ/j26840A+x8p26SHZT9PIx6JmGaSzi+24t3lXLkudIgO Y0ZZq35AL6uo8ZHtegVoEVrx6i6XBPoPScUZNjpnjyFNR/gP0r5ApL/+7iTCUtMoWp A3Y7NQ0APloWF1RLSTAf+8fgmxJlnhi2dYQ8gHDqC3qGljreORHE8746iOA0Urd+pX w30+YZcMFoPldp5hYnTvTLlvahJHwWyrXwUQ497qpprt67EiKL2S/L3q/YCoHn3yjr R+gDiXE34+9cdlV9Cvng9VSHzOTfVW55ySzKCxoGXRtXUQIKHYsRjNrcp8mXXy3xgN HjJYDbT0wZSgg== 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 5.10 4/5] kselftest/arm64: Corrupt P0 in the irritator when testing SSVE Date: Sun, 24 Nov 2024 07:42:03 -0500 Message-ID: <20241124124210.3337020-4-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241124124210.3337020-1-sashal@kernel.org> References: <20241124124210.3337020-1-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 5.10.230 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 | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/arm64/fp/sve-test.S b/tools/testing/selftests/arm64/fp/sve-test.S index 07f14e279a904..7784c684a865b 100644 --- a/tools/testing/selftests/arm64/fp/sve-test.S +++ b/tools/testing/selftests/arm64/fp/sve-test.S @@ -459,7 +459,8 @@ function irritator_handler movi v9.16b, #2 movi v31.8b, #3 // And P0 - rdffr p0.b + ptrue p0.d +#ifndef SSVE // And FFR wrffr p15.b -- 2.43.0