freebsd-skq/sys/i386
Konstantin Belousov a324b7f71d Fix IBRS for machines with IBRS_ALL capability.
When turning IBRS mitigation using sysctl, as opposed to loader tunable,
send IPI to tweak MSR on all cores.  Right now code only performed MSR write
onr the CPU where sysctl was run.

Properly report hw.ibrs_active for IBRS_ALL.  Split hw_ibrs_ibpb_active out
from ibrs_active, to keep the current semantic of guiding kernel entry and
exit handlers.

Reported and tested by:	mav
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
2020-02-25 17:26:10 +00:00
..
acpica Merge ACPICA 20190329. 2019-03-29 20:21:28 +00:00
bios Use NULL for SYSINIT's last arg, which is a pointer type 2018-05-18 17:58:09 +00:00
cloudabi32 Use uintptr_t instead of register_t * for the stack base. 2019-12-03 23:17:54 +00:00
conf Remove the trm(4) driver 2019-11-28 02:32:17 +00:00
i386 Fix IBRS for machines with IBRS_ALL capability. 2020-02-25 17:26:10 +00:00
include Define MAXCPU consistently between the kernel and KLDs. 2020-02-05 19:08:21 +00:00
linux regen linuxulator sysent after r357577 2020-02-05 16:54:16 +00:00
pci Detect invalid PCI devices more correctly in PCI interrupt router drivers. 2019-08-06 23:15:04 +00:00
Makefile Remove iBCS2, part2: general kernel 2018-12-19 21:57:58 +00:00