вт, 14 мая 2019 г. в 20:02, Konstantin Belousov <k...@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? _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
