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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