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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id BA4A8C54EBE for ; Mon, 16 Jan 2023 15:56:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231713AbjAPP4r (ORCPT ); Mon, 16 Jan 2023 10:56:47 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38690 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231717AbjAPP4R (ORCPT ); Mon, 16 Jan 2023 10:56:17 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 79D5F1BAF8 for ; Mon, 16 Jan 2023 07:56:16 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 318B4B81059 for ; Mon, 16 Jan 2023 15:56:15 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8A6D4C433D2; Mon, 16 Jan 2023 15:56:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1673884573; bh=OxfDhpjLL4D/Qn2aX4GOaB17ssJo05peJuHl7MCXS6c=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=1z7p387W3go2xKo3ia9+PrDTw23hQzzllHTiON4vpNfSjrl7q7LvcjOrZ8EL/szwn j74SbnYL/zmCPuvBKqkVno+ugQS94gXhBsqy4j1wpGW7PKAGPWs+/4/W8+jd5YiCzi DpW6SEVO/26Ns0QKdTPT/JCsHlwhsg5cX6BZ2qjE= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Mark Brown , Will Deacon Subject: [PATCH 6.1 057/183] arm64/signal: Always allocate SVE signal frames on SME only systems Date: Mon, 16 Jan 2023 16:49:40 +0100 Message-Id: <20230116154805.757247441@linuxfoundation.org> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230116154803.321528435@linuxfoundation.org> References: <20230116154803.321528435@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Mark Brown commit f26cd7372160da2eba31061d7943348ab9f2c01d upstream. Currently we only allocate space for SVE signal frames on systems that support SVE, meaning that SME only systems do not allocate a signal frame for streaming mode SVE state. Change the check so space is allocated if either feature is supported. Fixes: 85ed24dad290 ("arm64/sme: Implement streaming SVE signal handling") Signed-off-by: Mark Brown Link: https://lore.kernel.org/r/20221223-arm64-fix-sme-only-v1-3-938d663f69e5@kernel.org Signed-off-by: Will Deacon Signed-off-by: Greg Kroah-Hartman --- arch/arm64/kernel/signal.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/arch/arm64/kernel/signal.c +++ b/arch/arm64/kernel/signal.c @@ -729,7 +729,7 @@ static int setup_sigframe_layout(struct return err; } - if (system_supports_sve()) { + if (system_supports_sve() || system_supports_sme()) { unsigned int vq = 0; if (add_all || test_thread_flag(TIF_SVE) ||