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 94788E74AC3 for ; Tue, 3 Dec 2024 16:58:54 +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=G0li6k695CIddnhioEoYM8cVKSKatuM3QM9V/Gygrjc=; b=L9kaAq6NS32Oiwp2i5JMnAT3Iu hiyglc1AyjAUr6vEXHdq/qSGsDTVxk5UO23eNnwJApJN9J8z+fhtkY80lnunt5Q8wVnu1AgNBUU4J 6+NYPjY2ya+XdbgB9F5TwLLotCxdoikmbWk3mLOa1XGBOKGmRsxzjUasOUY+6nIm730K+vg1dlxvB JB6IncxvIAU9MD/kQO+QzhQNFJCoLFuOAGgDoOHAkdRTaD5AqgLWVyybD2myrCWCcqiv6DLhqkqyu KPOfQhPPIacr3yzX9haeVcJHK/TujgzzMQ+SEy6WZu/vkPDv82iY4TD8HNIbW6FQINMpMeYmxTIao KLwDm3Tw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tIWEg-0000000ABZK-08LI; Tue, 03 Dec 2024 16:58:54 +0000 Received: from desiato.infradead.org ([2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tIVGG-0000000A0vf-2NVD for linux-um@bombadil.infradead.org; Tue, 03 Dec 2024 15:56:28 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=Content-Transfer-Encoding:MIME-Version :References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=G0li6k695CIddnhioEoYM8cVKSKatuM3QM9V/Gygrjc=; b=OURF9ef/CrJly41mr5LzJD6Xlu /mNSg5bvdtggrB2ehHLc160XqMts2wQ2G8wSOO7Kt1PcZ81z2F7KMF372m9fM3AKrMZePuAHLYD5E a+Bc8aacgnEFp32DJec4gydqP+tZVWNZgD28pOKiBQfUEHiOWHdccf9aU4lJYiEI08kJLwj2oOzOh N3vH/xEvTGSeM4F+0DzIYt+Sawwjq/FpQS9eOOaMe9CZSYuotBYYOmKtXrJ165IXXKLbBhmn28Dm+ XrmEaTV2wwZxug2sQFQAD/YBeWts230pO4hRlKBhh4e4kZnqjFYVuE7vQuNDBNr0QQPrVJGbKp/vS 4G2vL3tg==; Received: from nyc.source.kernel.org ([147.75.193.91]) by desiato.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tIVGD-00000002Pn2-2Rcf for linux-um@lists.infradead.org; Tue, 03 Dec 2024 15:56:27 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by nyc.source.kernel.org (Postfix) with ESMTP id 43FA2A41723; Tue, 3 Dec 2024 15:54:30 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 12E70C4CED6; Tue, 3 Dec 2024 15:56:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1733241382; bh=Cd/CwG2ikloaS7+dru5hZXIx4WqkNv4xB4jCo4aiz9U=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ABfDabbgcGi7hw2OxCyNSs4XMvYcFn+2ncvY5DMcWXC+dCqKWPgmBxHTHG5BOHaOr l0b6htYKVsxXemLzgtGs/mEtZUO4MEhvkpDlxfGtajaDvjPeasfhOJ+RclXtiodRuu QKLooyQFdD+0zINM0y3iA3v81EddIES+IEx9jfhT1qnokIt2AVC7fTDN12ehl/g9Wi MvWjRcH88i4IGeLkW51TJiw5lNH27zROcsK/EXVXpBy7vqIRvxnWBRS9WrjdXxDPPi 581tD96uHA+M2TaGIF1fRsamRuAPdGxzDtdftabU8QOuoMzE5DfdfDIs12sY4nKwCd 1HBB1GeS6Xmvw== From: SeongJae Park To: SeongJae Park Cc: Benjamin Berg , linux-um@lists.infradead.org, johannes@sipsolutions.net Subject: Re: [PATCH v5] um: switch to regset API and depend on XSTATE Date: Tue, 3 Dec 2024 07:56:18 -0800 Message-Id: <20241203155618.1510-1-sj@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20241203150021.981-1-sj@kernel.org> References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241203_155625_838257_EE2AA40E X-CRM114-Status: GOOD ( 13.57 ) X-BeenThere: linux-um@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-um" Errors-To: linux-um-bounces+linux-um=archiver.kernel.org@lists.infradead.org On Tue, 03 Dec 2024 07:01:09 SeongJae Park wrote: > On Tue, 03 Dec 2024 09:40:34 +0100 Benjamin Berg wrote: > > > Hi, > > > > that probably means the size detection for the FPU state (i.e. > > PTRACE_GETREGSET for NT_X86_XSTATE is incorrect on a 32bit host in some > > way. > > > > Is there anything special about the qemu setup or it is just a default > > qemu-x86? > > I use default qemu-system-x86_64 on my system. > > $ qemu-system-x86_64 --version > QEMU emulator version 8.2.2 (qemu-8.2.2-1.1.hs+fb.el9) > Copyright (c) 2003-2023 Fabrice Bellard and the QEMU Project developers > > I forgot saying it is not just x86 but x86_64, sorry. Oh, and seems my qemu has some downstream changes. I will try to reproduce the issue with upstream versions and report the result again. Thanks, SJ [...]