From owner-dev-commits-src-main@freebsd.org Tue May 25 21:57:15 2021 Return-Path: Delivered-To: dev-commits-src-main@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 94B63655368; Tue, 25 May 2021 21:57:15 +0000 (UTC) (envelope-from bz@FreeBSD.org) Received: from smtp.freebsd.org (smtp.freebsd.org [96.47.72.83]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "smtp.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4FqSbv3dpNz4dQ4; Tue, 25 May 2021 21:57:15 +0000 (UTC) (envelope-from bz@FreeBSD.org) Received: from mx1.sbone.de (cross.sbone.de [195.201.62.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mx1.sbone.de", Issuer "SBone.DE" (not verified)) (Authenticated sender: bz/mail) by smtp.freebsd.org (Postfix) with ESMTPSA id 4B14F253F1; Tue, 25 May 2021 21:57:15 +0000 (UTC) (envelope-from bz@FreeBSD.org) Received: from mail.sbone.de (mail.sbone.de [IPv6:fde9:577b:c1a9:31::2013:587]) (using TLSv1 with cipher ADH-CAMELLIA256-SHA (256/256 bits)) (No client certificate requested) by mx1.sbone.de (Postfix) with ESMTPS id 193208D4A129; Tue, 25 May 2021 21:57:13 +0000 (UTC) Received: from content-filter.sbone.de (content-filter.sbone.de [IPv6:fde9:577b:c1a9:31::2013:2742]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.sbone.de (Postfix) with ESMTPS id E55DFE707DB; Tue, 25 May 2021 21:57:12 +0000 (UTC) X-Virus-Scanned: amavisd-new at sbone.de Received: from mail.sbone.de ([IPv6:fde9:577b:c1a9:31::2013:587]) by content-filter.sbone.de (content-filter.sbone.de [fde9:577b:c1a9:31::2013:2742]) (amavisd-new, port 10024) with ESMTP id FG82KMRmgV59; Tue, 25 May 2021 21:57:11 +0000 (UTC) Received: from nv.sbone.de (nv.sbone.de [IPv6:fde9:577b:c1a9:31::2013:138]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.sbone.de (Postfix) with ESMTPSA id 5AF33E707B7; Tue, 25 May 2021 21:57:11 +0000 (UTC) Date: Tue, 25 May 2021 21:57:10 +0000 (UTC) From: "Bjoern A. Zeeb" To: Konstantin Belousov , markj@freebsd.org cc: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: Re: git: 91aae953cb80 - main - amd64: clear PSL.AC in the right frame In-Reply-To: <202105251520.14PFKpiA009553@gitrepo.freebsd.org> Message-ID: References: <202105251520.14PFKpiA009553@gitrepo.freebsd.org> X-OpenPGP-Key-Id: 0x14003F198FEFA3E77207EE8D2B58B8F83CCF1842 MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-BeenThere: dev-commits-src-main@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Commit messages for the main branch of the src repository List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 25 May 2021 21:57:15 -0000 On Tue, 25 May 2021, Konstantin Belousov wrote: > The branch main has been updated by kib: > > URL: https://cgit.FreeBSD.org/src/commit/?id=91aae953cb807d6fb7a70782b323bf9beb60d7c9 > > commit 91aae953cb807d6fb7a70782b323bf9beb60d7c9 > Author: Konstantin Belousov > AuthorDate: 2021-05-22 19:48:36 +0000 > Commit: Konstantin Belousov > CommitDate: 2021-05-25 15:20:46 +0000 > > amd64: clear PSL.AC in the right frame > > If copyin family of routines fault, kernel does clear PSL.AC on the > fault entry, but the AC flag of the faulted frame is kept intact. Since > onfault handler is effectively jump, AC survives until syscall exit. > > Reported by: m00nbsd, via Sony > Reviewed by: markj > Sponsored by: The FreeBSD Foundation > admbugs: 975 I am getting this when trying to build LINT kernels on head/amd64: linking kernel ld: error: undefined symbol: CPUID_STDEXT_SMAP >>> referenced by linux32_support.o:(.text+0x6) and also people report that linux*.ko are no longer loading for similar reasons (as follow-up to my d72cd275187c6399caf0ca4125292dc7e55fa478 Bump __FreeBSD_version to 1400015 ..; see there). Can you please have a look? /bz -- Bjoern A. Zeeb r15:7