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 X-Spam-Level: X-Spam-Status: No, score=-3.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A989EC4361B for ; Sat, 19 Dec 2020 15:32:37 +0000 (UTC) Received: from krantz.zx2c4.com (krantz.zx2c4.com [192.95.5.69]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id B587B2072C for ; Sat, 19 Dec 2020 15:32:36 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B587B2072C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=essd.nl Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=wireguard-bounces@lists.zx2c4.com Received: by krantz.zx2c4.com (ZX2C4 Mail Server) with ESMTP id 39177d3a; Sat, 19 Dec 2020 15:23:48 +0000 (UTC) Received: from pmg02-out1.zxcs.nl (pmg02-out1.zxcs.nl [185.104.30.241]) by krantz.zx2c4.com (ZX2C4 Mail Server) with ESMTPS id e16047cd (TLSv1.3:TLS_AES_256_GCM_SHA384:256:NO) for ; Sat, 19 Dec 2020 15:23:44 +0000 (UTC) Received: from pmg02.zxcs.nl (localhost.localdomain [127.0.0.1]) by pmg02.zxcs.nl (ZXCS) with ESMTP id 7965582E3E; Sat, 19 Dec 2020 16:32:30 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=essd.nl; s=x; h=Message-ID:References:In-Reply-To:Subject:Cc:To:From:Date: Content-Transfer-Encoding:Content-Type:MIME-Version:Sender:Reply-To: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=JmyguPdg9QDChl3PFA1q8SXI2atA5jF8AP9cUlNOGTs=; b=X2N40WXi3yIdxWwiDCU+Qt7CEV GQXFrLDnpxaVMjxU+qR/Sm0deg6TAKgkbovE5FO2r9tTGnjTywjaZlwSbVjrQ2U6IKsNVElKngx/n Nak6HcecKRdi/WKLo+NH1cUSzVNgGqIkk63gEyeRqO9y2NmFyUnm/0OfvvY8HOYLTzb+0E4oI+ZZR FxZXyft+KTElT12tOnbiXpMcsoqQzsa0J/TalRyfQ4KswHNejHeEHCzh3PuXr4YrF0pkUqhHth+gX zdj/4mHeQnFdKjEMWuJitw3ki+xu/szmYgagdO38b+O0j8GtKljIvp3JtFYFa6j6boGyUQaWJGxs8 GWwoZI9A==; MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Date: Sat, 19 Dec 2020 16:32:29 +0100 From: Erik Schuitema To: "Jason A. Donenfeld" Cc: WireGuard mailing list Subject: Re: "BUG: scheduling while atomic" on 5.4 kernels with PREEMPT_RT In-Reply-To: References: <90c10d21558d31825a56aac48692b080@essd.nl> User-Agent: Roundcube Webmail/1.4.1 Message-ID: <9c5569cf88048c3ceb343340e68d7564@essd.nl> X-Sender: erik@essd.nl X-AuthUser: erik@essd.nl X-BeenThere: wireguard@lists.zx2c4.com X-Mailman-Version: 2.1.30rc1 Precedence: list List-Id: Development discussion of WireGuard List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: wireguard-bounces@lists.zx2c4.com Sender: "WireGuard" Jason A. Donenfeld schreef op 2020-12-19 13:15: > Hi Erik, > > Thanks for the report. I've fixed this here: > https://git.zx2c4.com/wireguard-linux-compat/commit/?id=8dcc75dbbe0a7b82c7c9a9388a49d1e32723d8a9 > This will be part of the next wireguard-linux-compat snapshot release. > > Jason Thanks for the quick fix! From your patch, I see that SIMD must be completely disabled for 5.4 PREEMPT_RT kernels. Is this any different for kernels >=5.6? Best regards, Erik