freebsd-dev/sys/x86/include
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
..
xen
_align.h
_inttypes.h
_limits.h
_stdint.h
_types.h
acpica_machdep.h
apicreg.h
apicvar.h Reimplement stack capture of running threads on i386 and amd64. 2020-01-31 15:43:33 +00:00
apm_bios.h
bus_dma.h bus_dma_dmar_load_ident(9): load identity mapping into the map. 2019-11-27 19:57:17 +00:00
bus.h Port the NetBSD KCSAN runtime to FreeBSD. 2019-11-21 11:22:08 +00:00
busdma_impl.h
cputypes.h Add support for Hygon Dhyana Family 18h processor. 2020-01-21 13:22:35 +00:00
dump.h
elf.h
endian.h
fdt.h
float.h
fpu.h
frame.h
ifunc.h
init.h
intr_machdep.h
legacyvar.h
mca.h
metadata.h
mptable.h
ofw_machdep.h
pci_cfgreg.h
procctl.h
psl.h
ptrace.h
pvclock.h
reg.h
segments.h
setjmp.h
sigframe.h
signal.h
specialreg.h hwpstate_intel(4): Add fallback EPP using PERF_BIAS MSR 2020-02-01 19:49:13 +00:00
stack.h Reimplement stack capture of running threads on i386 and amd64. 2020-01-31 15:43:33 +00:00
stdarg.h
sysarch.h
trap.h
ucode.h
ucontext.h
vdso.h
vmware.h
x86_smp.h
x86_var.h Fix IBRS for machines with IBRS_ALL capability. 2020-02-25 17:26:10 +00:00