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 021E1E668AD for ; Sun, 24 Nov 2024 12:41:46 +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=cLMmg5WEiXr2CPRS2F8g/mFfQwxOTqUNSyKu3SV6seo=; b=LikXzEe0j1A2/+y+EJlex6TbcA v2PNfWhusosyCKjAX60FQb+icnmR7w37eLHJsIT2FGd4tPpMRk3PL2PvvBpqXa2l6gDguLsYCAqGi ns6fXybFlYd0TDemzHg1Qht12oNk4jEryw2II1EtSmpavRQoEIKeP+soX3GqeBtFp5rpa//CuhzQW dUYs2lxyp3yzvmlb3kMntBJ4HJd6GWS0+mKdFjdCtMdlEZj6b9nvaIVxvJO1GVcwbxdb88LanQ6Kk LmfejUtHHHN+Mk1IA4VBQWDwNaKZuqWae+RJ1ynvVuAiZ10BQvCOLMmvuH/Ia5MLAJM6GUXWKSknQ E++zaLBQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tFBvh-00000005k4A-0CPP; Sun, 24 Nov 2024 12:41:33 +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 1tFBu1-00000005jbe-216i for linux-arm-kernel@lists.infradead.org; Sun, 24 Nov 2024 12:39:50 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 4BFE45C499A; Sun, 24 Nov 2024 12:39:05 +0000 (UTC) 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> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 6.12.1 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241124_043949_558706_D96A7D75 X-CRM114-Status: GOOD ( 10.27 ) 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 | 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