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 13B4E1D63F0; Sun, 24 Nov 2024 12:41:39 +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=1732452099; cv=none; b=Y9AUAasYU51pJO+n+M2E9Ld5QTsCcUzucgN4imIOayHhIOGRCjXBUR/FpMJSmfZnK8NU9BUnXhlUYpH1zMOcydwoF+JRmo+M+87S2fd4u7w3PiOYzuQgqKtPt8iwp7eogEOE+c5UjxaG0ZvoqhllGWio0T4nRc8GYwffgAgFBwU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732452099; c=relaxed/simple; bh=Ddb741SszSH6SeCJvr4j4w0DO0K0H8EoTGj/hXFKhHg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=X+xRURuA5irYC3y0sERVHnn/x8bj+xCcZiaS5Lj+mvpAn/Om9e+fLdaHGCHjv2sJ8Aaq2msZDexS1uh+rY7/jXiE9vSfqtQd35JREoYeWgCcGPOxkl+3Nnnqs1jLBY1IhwJPKV3nGuhU1roff4ZNPLpBQBSlDKZCuDzkoSK2/wM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=eoLdtwmh; 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="eoLdtwmh" Received: by smtp.kernel.org (Postfix) with ESMTPSA id BF496C4CECC; Sun, 24 Nov 2024 12:41:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1732452098; bh=Ddb741SszSH6SeCJvr4j4w0DO0K0H8EoTGj/hXFKhHg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=eoLdtwmhdnKaFS6UBSCdJTn3sGRtOvaR3mStrLcz7uviqtcbxcf+JMAVWXiR7OnfQ eukLyUjqq38Ho0TC+23VTxf59vDIYpD6ChZ+Kk6K2RT02vuD7G7RC3NYr96Qszrwtl ulgYdhmFLNGyyhYRUdGuDvadnhe1WefHsA+9KdcC8KhLG90Z5XYtWU0+7Rnjrcunsy LpjftbYw0Uz6+20jvNfYbH/poduigZw6OwX/fGDMFsn21NlgZ7ORn/tH8A2r40JAkI fV7LfyNhviQLfbEWvU1m47QEYj3wPZRu3kPLl9FQRcnejNnPlDkV3HMPww1mi5DT7X PmWgSNcMjoDsg== 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 6.1 6/7] kselftest/arm64: Corrupt P0 in the irritator when testing SSVE Date: Sun, 24 Nov 2024 07:41:17 -0500 Message-ID: <20241124124126.3336691-6-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241124124126.3336691-1-sashal@kernel.org> References: <20241124124126.3336691-1-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 6.1.119 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 2a18cb4c528c5..b9648daeabbb1 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