From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lithops.sigma-star.at (mailout.nod.at [116.203.167.152]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2E86237E2FE for ; Tue, 26 May 2026 21:01:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=116.203.167.152 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779829318; cv=none; b=B2OYmLpt2yR0o5MtNjqqoemRz11F5Xr1RzR473eBeT20pPPJeuTbkZzHfIu0mFc832bljmh99uZcuRhDHo0Ir6tY8hoF5rxCmZ+ad1dSWOHUxesltSp6DDcHRFZUnPi//SvlHMqfk6QfbDhMFw/+P0HTPfV9uTOGiVz3leV0Gqo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779829318; c=relaxed/simple; bh=cA54Lf+5YOSKzxXj+v11BHRM7yxR6Kro9nKze9GYqbU=; h=Date:From:To:Cc:Message-ID:In-Reply-To:References:Subject: MIME-Version:Content-Type; b=hkMXDqu8lZ0XwMLregguXEA8RxGPFKmaljDvgUiibk2bcM/kueXtvOCIF5AYI/mO0rs1eagLRM99/eVckbMStY3Q0w8omn991ixU0FSSsySkAgSgGM8M3zyScjSuBd1VXrjn1sSiKldveDxWb8j7BjT0XuwSwV6WmKvR+ajJbBk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=nod.at; spf=fail smtp.mailfrom=nod.at; arc=none smtp.client-ip=116.203.167.152 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=nod.at Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=nod.at Received: from localhost (localhost [127.0.0.1]) by lithops.sigma-star.at (Postfix) with ESMTP id 30142298580; Tue, 26 May 2026 22:56:12 +0200 (CEST) Received: from lithops.sigma-star.at ([127.0.0.1]) by localhost (lithops.sigma-star.at [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id KBUGm9bc0GHF; Tue, 26 May 2026 22:56:11 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by lithops.sigma-star.at (Postfix) with ESMTP id A7D6D298599; Tue, 26 May 2026 22:56:11 +0200 (CEST) Received: from lithops.sigma-star.at ([127.0.0.1]) by localhost (lithops.sigma-star.at [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id QDwEMJwHeesm; Tue, 26 May 2026 22:56:11 +0200 (CEST) Received: from lithops.sigma-star.at (lithops.sigma-star.at [195.201.40.130]) by lithops.sigma-star.at (Postfix) with ESMTP id 6BE57298580; Tue, 26 May 2026 22:56:11 +0200 (CEST) Date: Tue, 26 May 2026 22:56:11 +0200 (CEST) From: Richard Weinberger To: "Maciej W. Rozycki" Cc: Christian Ludloff , Dave Hansen , Sohil Mehta , "Ahmed S. Darwish" , bp , x86 , Thomas Gleixner , mingo , hpa , Josh Poimboeuf , andrew cooper3 , Tony Luck , linux-kernel Message-ID: <942991536.24435.1779828971179.JavaMail.zimbra@nod.at> In-Reply-To: References: <20260515002500.2463393-1-sohil.mehta@intel.com> Subject: Re: [PATCH v2 2/3] x86/cpu/intel: Simplify F00F bug notice using pr_notice_once() Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Mailer: Zimbra 8.8.12_GA_3807 (ZimbraWebClient - FF150 (Linux)/8.8.12_GA_3809) Thread-Topic: x86/cpu/intel: Simplify F00F bug notice using pr_notice_once() Thread-Index: FLZ/GMiA1Vlr2x5MwToa4xsnbFnRqg== ----- Urspr=C3=BCngliche Mail ----- > Von: "Maciej W. Rozycki" > An: "Christian Ludloff" > CC: "richard" , "Dave Hansen" , "S= ohil Mehta" , "Ahmed S. > Darwish" , "bp" , "x86" , "Thomas Gleixner" , > "mingo" , "hpa" , "Josh Poimboeuf" , "andrew cooper3" > , "Tony Luck" , "linux-ke= rnel" > Gesendet: Montag, 25. Mai 2026 12:41:00 > Betreff: Re: [PATCH v2 2/3] x86/cpu/intel: Simplify F00F bug notice using= pr_notice_once() > On Fri, 22 May 2026, Maciej W. Rozycki wrote: >=20 >> (now that I've looked at it again, I can see it's 6.13.0 as it's been a >> while, so maybe it's gone now in 7.x, hmm... will have to check.) >=20 > Yep, still there: >=20 > ------------[ cut here ]------------ > Bad FPU state detected at restore_fpregs_from_fpstate+0x48/0x50, reinitia= lizing > FPU registers. > WARNING: at fixup_exception+0x2a1/0x2c0, CPU#1: ld-linux.so.2/9621 > CPU: 1 UID: 500 PID: 9621 Comm: ld-linux.so.2 Tainted: G W > 7.0.0-dirty #1 PREEMPT > Tainted: [W]=3DWARN > Hardware name: [...] Do you see this also in qemu? I can give your test a try on my dual Pentium system. Thanks, //richard