From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 223ECE668AD for ; Sun, 24 Nov 2024 12:51:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=zTAbC21C0hZn5mJI2I7elIAfHXVW8qFWbu9FlPsBvqo=; b=D2TR9QwoBEcTJcxvdT0URi0OTq 2y1WzPFXLHop7aylUIJsWF9LyuHQIJhaGvJzGm7BmMFHrHERMT4B5BF3lBR7CQftIzCmv641UkWm6 OG2z5yrfQRBd2bO0BZN2nweL/BmbGLE7IILBVeAJxq83D8Yn2IIHnCIYigOo6fYbBpWaJK1NqSXIR /USiaPfGUX9s3dM71CXuTRAMFg69Ni3AvgcRtU1Gyu2y4ppdkS18e+9nxbsmnG0N6BR/u1r85ltn2 k0YQxS+eZgyiUtcFFN/sYLz/vqSN/9g1BBD0W/Fo0nvborOUN4qgLQiFkP7BAS0Z/WVSWdFqbbKic VthQuN5w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tFC4y-00000005mq3-1svY; Sun, 24 Nov 2024 12:51:08 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tFBwA-00000005kDn-13Pr for linux-arm-kernel@lists.infradead.org; Sun, 24 Nov 2024 12:42:03 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 2CD7F5C415E; Sun, 24 Nov 2024 12:41:18 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4DBFAC4CECC; Sun, 24 Nov 2024 12:42:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1732452121; bh=sf64Z8/K2JmDjSHufuyPNPpzb2t6/Com4h0XELkBt2E=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=caoositVIPi/DlBvtIyXSN7VUM5x51dLwmLQgkiHEP72gJVoGzyPjTyP5AYZsKisQ nXs4Frza7WYh0yBbaKF0vvXh5Y9FuHs1zHitWkhe+q/VP+Vt7uyr9nipdmo6MHLF9M cBPZqOmXmxZvt0MyHjK9dHmZwFjuvow1ULXClOoU/7j4eoR/RQJl2ykgy9oH3QymR8 +oFxmGUOKDu0E2LZ0O1Rf6X/jpKi27TW2TiEPKlFTfFALag/PH6I2csLgjkOwPjUMf wvNB5QLuq+p28/g5lYXRpYBU/xJuwBmby2rAqlIoZbu/ProyiCpB9xQOv5p9XFaZrG faoFzawfRHsbQ== 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 5.15 5/6] kselftest/arm64: Corrupt P0 in the irritator when testing SSVE Date: Sun, 24 Nov 2024 07:41:41 -0500 Message-ID: <20241124124149.3336868-5-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241124124149.3336868-1-sashal@kernel.org> References: <20241124124149.3336868-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 5.15.173 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241124_044202_331857_8B28E49A X-CRM114-Status: UNSURE ( 9.53 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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 e3e08d9c7020e..f631d17c899d2 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