Date: Tue, 12 Jun 2018 10:43:20 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r334995 - head/sys/i386/i386 Message-ID: <201806121043.w5CAhKhd014184@repo.freebsd.org>
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Author: kib Date: Tue Jun 12 10:43:20 2018 New Revision: 334995 URL: https://svnweb.freebsd.org/changeset/base/334995 Log: All exceptions IDT descriptors must use interrupt gates on 4/4 kernel. Fix it for #MF. Noted by: rlibby Sponsored by: The FreeBSD Foundation Modified: head/sys/i386/i386/machdep.c Modified: head/sys/i386/i386/machdep.c ============================================================================== --- head/sys/i386/i386/machdep.c Tue Jun 12 10:41:26 2018 (r334994) +++ head/sys/i386/i386/machdep.c Tue Jun 12 10:43:20 2018 (r334995) @@ -2253,7 +2253,7 @@ i386_setidt1(void) GSEL(GCODE_SEL, SEL_KPL)); setidt(IDT_PF, &IDTVEC(page), SDT_SYS386IGT, SEL_KPL, GSEL(GCODE_SEL, SEL_KPL)); - setidt(IDT_MF, &IDTVEC(fpu), SDT_SYS386TGT, SEL_KPL, + setidt(IDT_MF, &IDTVEC(fpu), SDT_SYS386IGT, SEL_KPL, GSEL(GCODE_SEL, SEL_KPL)); setidt(IDT_AC, &IDTVEC(align), SDT_SYS386IGT, SEL_KPL, GSEL(GCODE_SEL, SEL_KPL));
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