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 F2BE61AF4E9; Sun, 24 Nov 2024 12:39:48 +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=1732451989; cv=none; b=Kw9X94E2jY/9M1Z9gwcm8oe3cV61ydPwEIk8Yrf+Ax87EQC0t4BfcctEvykZorAe+1tjct0eENtiQDfol0NV3SGd+Hg1u9pWKnzeKq39A9q8c0sCLvngz7RtkIEGzjXeMR58iKbeESBhRxWqBG+xnl3tFY1mWUWXnO4YgJ6mlo8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732451989; c=relaxed/simple; bh=81Ni8xHtPktgGt2jnb4WQsNexyhc+xoT9qdsR8aq7bg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=GQYydmJegPaq8JobNr5BxcmmcbLfIkCfPjmGh3qDboqJAzQiWFoqo8WtVGgX7WIZbKS774a1149CLNPMSkbyaiWV/Ujx6/CS5UqahlBtrI5SjrEAHLVdm2j4cSgGWgIRpUNI3EhrEYz/fq1gA9kHw1kc800pYHPVc3LLHjtjzFY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=CF1aBSc4; 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="CF1aBSc4" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6EB52C4CED1; Sun, 24 Nov 2024 12:39:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1732451988; bh=81Ni8xHtPktgGt2jnb4WQsNexyhc+xoT9qdsR8aq7bg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=CF1aBSc42nqUpGBvyqGjqOlECbnvxRnqNdOEuxeuWAO/RDJclDD7+ONwKOx5zksbf 6FXQBlY0aY0Y2hDMkkFisWvuhkDvGn0ZCkhn+oMLlQHRqGrEE0jzqn5SiDIJKunqaz FzjuqXOEKMSaZ8YVDNHE95/t3xg2WxWbe9paD2mcdOGSpq87vDr8HFNVPgoY3m8Kob sBH2TUIdAI0RJxg11Vg/AN4R5ybBV0oNWH+d1ZGLH1Un6/7U2awh4vJrTQiarf7WN8 2JRDjOcqYlPp9mW+tZ/hFQJpoNIFIII0Wqwk/pMfnYYRhJYlEppIazxiiQ7Xpbmntb X5kujCx4q4//Q== 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 6.12 17/19] kselftest/arm64: Corrupt P0 in the irritator when testing SSVE Date: Sun, 24 Nov 2024 07:38:52 -0500 Message-ID: <20241124123912.3335344-17-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241124123912.3335344-1-sashal@kernel.org> References: <20241124123912.3335344-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 6.12.1 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 fff60e2a25add..4fcb492aee1fb 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