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 8EBC6C433EF for ; Wed, 4 May 2022 18:28:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1377054AbiEDSbq (ORCPT ); Wed, 4 May 2022 14:31:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51872 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1377034AbiEDSbZ (ORCPT ); Wed, 4 May 2022 14:31:25 -0400 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 14FFC2E9D6 for ; Wed, 4 May 2022 11:05:45 -0700 (PDT) From: Thomas Gleixner DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1651687543; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=LlEp+jMSpnfiQZGPYMkkhvpjZdbfCdxdoU3AdD/guDA=; b=WipYJZvxNJd7wYzedxJjWsbhnpc/tG2ZqFdMWEDaTdnD8p1yz21fOygnksDiGaccOp3SzB 4pnyxXpCZ1oInUN7DXgPbscZjGZdInh0FMB8n+Q4LDrGNF7Bzq9ZHPtuRoILCLqHFiBdW0 10MyzAIkZ/rwA0dVz6i9h3OSNkDHqYLdNtLCQSFxzaxnmHia5E/ETcE/3kg7AAODpr1JSt luT3zYn0FbceGA5Lvg++mGIlOp4jp/19WQ/pSXBn2q1SyXdkDECX0+SW4Alp9a4eqeo7mV NH0g2fAKNur+yfjJFHfRlumFy0jd12bI5TQH6H64WBU/e0sLyikjoefG5uRRQw== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1651687543; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=LlEp+jMSpnfiQZGPYMkkhvpjZdbfCdxdoU3AdD/guDA=; b=m2GRh6e4VDsu+DP9z+QIUyRNeDf+RyzrsvZ9q3I5mhevvsBYoYYZB1nL3IAzHGVIHzGbW4 cnicNiYGjdPxgwDw== To: "Jason A. Donenfeld" Cc: LKML , x86@kernel.org, Filipe Manana , Larry Finger Subject: Re: [patch 0/3] x86/fpu: Prevent FPU state corruption In-Reply-To: References: <20220501192740.203963477@linutronix.de> Date: Wed, 04 May 2022 20:05:43 +0200 Message-ID: <877d71jhqg.ffs@tglx> MIME-Version: 1.0 Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, May 04 2022 at 17:40, Jason A. Donenfeld wrote: > On Sun, May 01, 2022 at 09:31:42PM +0200, Thomas Gleixner wrote: >> The recent changes in the random code unearthed a long standing FPU state >> corruption due do a buggy condition for granting in-kernel FPU usage. > > Thanks for working that out. I've been banging my head over [1] for a > few days now trying to see if it's a mis-bisect or a real thing. I'll > ask Larry to retry with this patchset. You could have just Cc'ed him. :) Did so now. Larry, can you please test: https://lore.kernel.org/lkml/20220501193102.588689270@linutronix.de Thanks, Thomas