From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Jason@zx2c4.com Received: from krantz.zx2c4.com (localhost [127.0.0.1]) by krantz.zx2c4.com (ZX2C4 Mail Server) with ESMTP id 92ce1657 for ; Wed, 13 Jun 2018 21:08:39 +0000 (UTC) Received: from frisell.zx2c4.com (frisell.zx2c4.com [192.95.5.64]) by krantz.zx2c4.com (ZX2C4 Mail Server) with ESMTP id 2c8da42f for ; Wed, 13 Jun 2018 21:08:39 +0000 (UTC) Received: by frisell.zx2c4.com (ZX2C4 Mail Server) with ESMTP id 44524f41 for ; Wed, 13 Jun 2018 21:07:25 +0000 (UTC) Received: by frisell.zx2c4.com (ZX2C4 Mail Server) with ESMTPSA id 2231083f (TLSv1.2:ECDHE-RSA-AES128-GCM-SHA256:128:NO) for ; Wed, 13 Jun 2018 21:07:24 +0000 (UTC) Received: by mail-ot0-f169.google.com with SMTP id w13-v6so4619250ote.11 for ; Wed, 13 Jun 2018 14:12:33 -0700 (PDT) MIME-Version: 1.0 References: <46bd903565f6b1114b1d9f6bafa7db77bf3b5090.camel@mjr.org> <98f37803e752f4d4f19b9064240f0b876b2db588.camel@mjr.org> In-Reply-To: <98f37803e752f4d4f19b9064240f0b876b2db588.camel@mjr.org> From: "Jason A. Donenfeld" Date: Wed, 13 Jun 2018 23:12:21 +0200 Message-ID: Subject: Re: Kernel lockup with (debian) 4.16.0-2-rt-amd64 To: paul@mjr.org Content-Type: text/plain; charset="UTF-8" Cc: WireGuard mailing list List-Id: Development discussion of WireGuard List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Wed, Jun 13, 2018 at 4:54 PM Paul Hedderly wrote: > Yea that performance hit is a nuisance I find that doubtful, for the reasons Greg mentioned. But in either case, I don't anticipate this will be the final situation, but rather just a stop gap measure. I think we'll be ready to revisit this after working on some other related FPU changes. And for the time being, this at least fixes the crashes.