From owner-svn-src-all@freebsd.org Wed May 15 18:15:34 2019 Return-Path: <owner-svn-src-all@freebsd.org> Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 65267159B84F; Wed, 15 May 2019 18:15:34 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from kib.kiev.ua (kib.kiev.ua [IPv6:2001:470:d5e7:1::1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 9189B69DBB; Wed, 15 May 2019 18:15:33 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from tom.home (kib@localhost [127.0.0.1]) by kib.kiev.ua (8.15.2/8.15.2) with ESMTPS id x4FIFPAo081412 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NO); Wed, 15 May 2019 21:15:28 +0300 (EEST) (envelope-from kostikbel@gmail.com) DKIM-Filter: OpenDKIM Filter v2.10.3 kib.kiev.ua x4FIFPAo081412 Received: (from kostik@localhost) by tom.home (8.15.2/8.15.2/Submit) id x4FIFPvW081410; Wed, 15 May 2019 21:15:25 +0300 (EEST) (envelope-from kostikbel@gmail.com) X-Authentication-Warning: tom.home: kostik set sender to kostikbel@gmail.com using -f Date: Wed, 15 May 2019 21:15:25 +0300 From: Konstantin Belousov <kostikbel@gmail.com> To: Dmitry Chagin <dchagin@freebsd.org> Cc: src-committers <src-committers@freebsd.org>, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: Re: svn commit: r347566 - in head/sys: amd64/amd64 amd64/include dev/cpuctl i386/i386 i386/include x86/include x86/x86 Message-ID: <20190515181525.GN2748@kib.kiev.ua> References: <201905141702.x4EH2LuD061054@repo.freebsd.org> <CAC0jpUCbo8NfOWygS5+usAEOAsGcX_jG0pjYzMcCwTUD3BeJSw@mail.gmail.com> <20190515081027.GL2748@kib.kiev.ua> <CAC0jpUBrjX811KNeKJfCSud6xKqiS9t72HB-auD7qrAQO=Jz5Q@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <CAC0jpUBrjX811KNeKJfCSud6xKqiS9t72HB-auD7qrAQO=Jz5Q@mail.gmail.com> User-Agent: Mutt/1.11.4 (2019-03-13) X-Spam-Status: No, score=-1.0 required=5.0 tests=ALL_TRUSTED,BAYES_00, DKIM_ADSP_CUSTOM_MED,FORGED_GMAIL_RCVD,FREEMAIL_FROM, NML_ADSP_CUSTOM_MED autolearn=no autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on tom.home X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" <svn-src-all.freebsd.org> List-Unsubscribe: <https://lists.freebsd.org/mailman/options/svn-src-all>, <mailto:svn-src-all-request@freebsd.org?subject=unsubscribe> List-Archive: <http://lists.freebsd.org/pipermail/svn-src-all/> List-Post: <mailto:svn-src-all@freebsd.org> List-Help: <mailto:svn-src-all-request@freebsd.org?subject=help> List-Subscribe: <https://lists.freebsd.org/mailman/listinfo/svn-src-all>, <mailto:svn-src-all-request@freebsd.org?subject=subscribe> X-List-Received-Date: Wed, 15 May 2019 18:15:34 -0000 On Wed, May 15, 2019 at 08:31:23PM +0300, Dmitry Chagin wrote: > ÑÑ€, 15 Ð¼Ð°Ñ 2019 г. в 11:10, Konstantin Belousov <kib@freebsd.org>: > > > On Wed, May 15, 2019 at 08:54:04AM +0300, Dmitry Chagin wrote: > > > вт, 14 Ð¼Ð°Ñ 2019 г. в 20:02, Konstantin Belousov <kib@freebsd.org>: > > > > > > > Author: kib > > > > Date: Tue May 14 17:02:20 2019 > > > > New Revision: 347566 > > > > URL: https://svnweb.freebsd.org/changeset/base/347566 > > > > > > > > Log: > > > > Mitigations for Microarchitectural Data Sampling. > > > > > > > > Microarchitectural buffers on some Intel processors utilizing > > > > speculative execution may allow a local process to obtain a memory > > > > disclosure. An attacker may be able to read secret data from the > > > > kernel or from a process when executing untrusted code (for example, > > > > in a web browser). > > > > > > > > Reference: > > > > > > https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00233.html > > > > Security: CVE-2018-12126, CVE-2018-12127, CVE-2018-12130, > > > > CVE-2019-11091 > > > > Security: FreeBSD-SA-19:07.mds > > > > Reviewed by: jhb > > > > Tested by: emaste, lwhsu > > > > Approved by: so (gtetlow) > > > > > > > > Modified: > > > > head/sys/amd64/amd64/exception.S > > > > head/sys/amd64/amd64/genassym.c > > > > head/sys/amd64/amd64/initcpu.c > > > > head/sys/amd64/amd64/machdep.c > > > > head/sys/amd64/amd64/support.S > > > > > > > > > > > > > > > > Hi, Kostik! > > > > > > cc -target x86_64-unknown-freebsd13.0 > > > --sysroot=/home/dchagin/obj/home/dchagin/head/amd64.amd64/tmp > > > -B/home/dchagin/obj/home/dchagin/head/amd64.amd64/tmp/usr/bin -c -x > > > assembler-with-cpp -DLOCORE -O2 -pipe -fno-strict-aliasing -g -nostdinc > > > -I. -I/home/dchagin/head/sys -I/home/dchagin/head/sys/contrib/ck/include > > > -I/home/dchagin/head/sys/contrib/libfdt -D_KERNEL > > > -DHAVE_KERNEL_OPTION_HEADERS -include opt_global.h > > > -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -MD > > > -MF.depend.support.o -MTsupport.o > > > -fdebug-prefix-map=./machine=/home/dchagin/head/sys/amd64/include > > > -fdebug-prefix-map=./x86=/home/dchagin/head/sys/x86/include > > -mcmodel=kernel > > > -mno-red-zone -mno-mmx -mno-sse -msoft-float > > > -fno-asynchronous-unwind-tables -ffreestanding -fwrapv -fstack-protector > > > -gdwarf-2 -Wall -Wredundant-decls -Wnested-externs -Wstrict-prototypes > > > -Wmissing-prototypes -Wpointer-arith -Wcast-qual -Wundef > > -Wno-pointer-sign > > > -D__printf__=__freebsd_kprintf__ -Wmissing-include-dirs > > > -fdiagnostics-show-option -Wno-unknown-pragmas > > > -Wno-error-tautological-compare -Wno-error-empty-body > > > -Wno-error-parentheses-equality -Wno-error-unused-function > > > -Wno-error-pointer-sign -Wno-error-shift-negative-value > > > -Wno-address-of-packed-member -mno-aes -mno-avx -std=iso9899:1999 > > > -Werror /home/dchagin/head/sys/amd64/amd64/support.S > > > /home/dchagin/head/sys/amd64/amd64/support.S:1809:2: error: instruction > > > requires: AVX-512 ISA > > > vmovdqa64 %zmm0, %gs:0x340 > > > ^ > > > /home/dchagin/head/sys/amd64/amd64/support.S:1810:2: error: instruction > > > requires: AVX-512 ISA > > > vpxor %zmm0, %zmm0, %zmm0 > > > ^ > > > /home/dchagin/head/sys/amd64/amd64/support.S:1813:2: error: instruction > > > requires: AVX-512 DQ ISA > > > vorpd (%rdx), %zmm0, %zmm0 > > > ^ > > > /home/dchagin/head/sys/amd64/amd64/support.S:1814:2: error: instruction > > > requires: AVX-512 DQ ISA > > > vorpd (%rdx), %zmm0, %zmm0 > > > ^ > > > /home/dchagin/head/sys/amd64/amd64/support.S:1826:2: error: instruction > > > requires: AVX-512 ISA > > > vmovdqa64 %gs:0x340, %zmm0 > > > ^ > > > *** Error code 1 > > > > > > > > > I/m missied something? > > Yes, you are using older compiler than current. Perhaps you are using > > clang 6.0 still. Update your world. > > > > FWIW, this is is reason why the sw sequences use .byte in 11.2/12.0 > > patches. I do not want to put such abomination into live code base, > > remembering aesni.ko. > > > > yes, you are right. thank you! but in the best tradition of the project, > the system does not built, > I got ar error when building static llvm library: > ar: fatal: Symbol table offset overflow > *** Error code 70 > > Stop. > make[6]: stopped in /home/dchagin/head/lib/clang/libllvm > *** Error code 1 Perhaps try to manually compile usr.bin/ar from the new source and install it before doing buildworld.