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 A0B32CD37BF for ; Sat, 16 Sep 2023 16:58:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230256AbjIPQ6Y (ORCPT ); Sat, 16 Sep 2023 12:58:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35882 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229699AbjIPQ6G (ORCPT ); Sat, 16 Sep 2023 12:58:06 -0400 Received: from mout.gmx.net (mout.gmx.net [212.227.17.21]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 02FFBCE6 for ; Sat, 16 Sep 2023 09:58:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.de; s=s31663417; t=1694883471; x=1695488271; i=deller@gmx.de; bh=3zCCFWfLejvfuiC5E4VlUCWZPoyVDyDDgJ+hR/5ERrc=; h=X-UI-Sender-Class:Date:Subject:From:To:Cc:References:In-Reply-To; b=TUGJnm8COhoRGq43YQqNTdFMvz2Glb95gbTpTcZ5F/I8JUDJYBtqyfrbdN9kyWwf9VfqaV5tCZi ASK+cF2rXhAN7LzWgfv9lp2auQY3s6bmowC3Owk9P4Xn1GCjkXUxOSZLjN/gERrKCZqEYWKy5BPZF Mmc4+NZrWXqdw9nKMlCSEL6oByhteq4AjB821viKnuguxTKS/lt4FQ8t6TcoA+I4MRyQHfw/72Y8Z 76lQk/RCZ2RaXzdUWHBch+Y+Uxc/Y6kYmWvFpz0YlYwcVhWWUZeSjYkQeljatcXZtSHw+hUxnTflB KcZPH7gQRI1UW9BqEZ5kDUo69PO4XYxGUKvQ== X-UI-Sender-Class: 724b4f7f-cbec-4199-ad4e-598c01a50d3a Received: from [192.168.20.60] ([94.134.154.45]) by mail.gmx.net (mrgmx104 [212.227.17.168]) with ESMTPSA (Nemesis) id 1MKKYx-1r0RsG2qIp-00LobU; Sat, 16 Sep 2023 18:57:51 +0200 Message-ID: <741fb0cc-8844-b892-7eae-26d5b14bb5dc@gmx.de> Date: Sat, 16 Sep 2023 18:57:50 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.13.0 Subject: Re: [PATCH] target/hppa: clear the PSW 'N' bit when delivering signals Content-Language: en-US From: Helge Deller To: Mikulas Patocka , Richard Henderson , John David Anglin Cc: qemu-devel@nongnu.org, linux-parisc@vger.kernel.org References: In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:+3SD+I0PyWQbf4Sf8al36nUVGA50gj1kVEZ0yyV85IXroRr8W3N ORVwbvLfLyNHE+gcvy/rMGprFY80p59xjhnMNH9mPKFUjOr0RXfrxtRK/MoITpyWARv9fBu WvLNRbp5r3qhGoXu2oahpIPBNlPYgQpFiiJq5ArOF4oWdo7dIvgJ1QyMR4Q7C4HKGJ4F9F+ tYcy9Vjb4nE1mPW+qr2Pg== UI-OutboundReport: notjunk:1;M01:P0:U0MEenLZvrM=;wqQ3uMaIJGRe0JsXYKmPW2Jhp9B c5FPy1oMU6RP4a2T9pXnxhbsJnlN4lzTf5rErnSizYckwds/ZV5cHHw0m3l+kU60sfLRvDe5X Fai//bhx35Uau3jQ+WA8tA/Pdgkkwm7XwBejhocyYk2Kg9Z/2caVNRVVk3XuyOb2TRD96WHu7 cE5wKIVayerG5jdNbfa5t8GxI/ZbzI7pFUmdfVLjV72TmGzcHjHEec5G/Wxpmg6qNK0JsYJyO ANXQi0yOkWiRwBq3z7PWLp4qWGNxn2UMhfx8EK0NK3RBt+tpYlRzXDqVeGAZlK7etG6ImRyjf 5GpRW51Tgg9gBsM7nfyxRqLehu4jqtWoK9EkB19r5lrVkJe2uhWPY+oZzMEMsCkRHCVIemM9J a7rN+Ymct5PK4BkLgHUSsdGuXcx4wUjAQhYciKAxYoh1bJz62fT+IzKy9zR4A26hn60hBxLxN 8JT6RXIzLPRq0J/4eq2oJs0enbQTmF9kxujhMBg3jYJQ7MN87b4Aq+8nHARQ4r3OMMsGeVCKA 9QcLWSWW8Yu5AqwQjiYC3gfFxhraEfqAZqK+HQNiEfWp5Vk4AzYRT+qbtbi417j7D4TnxAjGI 9sUaLymw9hxCiVxa6+bBurYnz2DUqM0zLEoS6EvdId2J9+0stifQhf6otwgs3XsOW8Bzvb89A HlU/tF4d8E38soz6L7SJYNlW3x1js+1zFA9vxy26mKfTF6Spe7LIEHzpv5fpOuqHBxgCfBaiF TTRf+xKnZhzU9dbErALppIf2qJ6T0TIgVJM/9TAkF/KpP5JfY4XM+3DmlhEnG6kq2afPd3r64 c+zUkYKJL7agZN0Kh7KnAp2IWCNDVr0+WGaSdlcnXUVzN8X41NcPm3vKkik/wU8g/+Gl67mtW SBudeVB01UwuxTuxOndO4vDZfkNjjJZG/Y/zfLitzeLPE65hm4wqxryBEaNTw5SF777DMq36d WNkJR2iP/nAk2MdQ890iIMbpFKA= Precedence: bulk List-ID: X-Mailing-List: linux-parisc@vger.kernel.org On 9/16/23 18:49, Helge Deller wrote: >> The reason for the crash is that the signal handling routine doesn't cl= ear >> the 'N' flag in the PSW. If the signal interrupts a thread when the 'N' >> flag is set, the flag remains set at the beginning of the signal handle= r >> and the first instruction of the signal handler is skipped. >> >> Signed-off-by: Mikulas Patocka > > Acked-by: Helge Deller FYI, I've queued by both patches in my btlb branch and added backport to stable request. Helge