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0530a9360f
freebsd-dev/sys/x86/include
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Konstantin Belousov 0530a9360f Make it possible to re-evaluate cpu_features. 
Add cpuctl(4) ioctl CPUCTL_EVAL_CPU_FEATURES which forces re-read of
cpu_features, cpu_features2, cpu_stdext_features, and
std_stdext_features2.

The intent is to allow the kernel to see the changes in the CPU
features after micocode update.  Of course, the update is not atomic
across variables and not synchronized with readers.  See the man page
warning as well.

Reviewed by:	imp (previous version), jilles
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
Differential revision:	https://reviews.freebsd.org/D13770
2018-01-05 21:06:19 +00:00
..
xen
_align.h spdx: initial adoption of licensing ID tags. 2017-11-18 14:26:50 +00:00
_inttypes.h sys/x86: further adoption of SPDX licensing ID tags. 2017-11-27 15:11:47 +00:00
_limits.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
_stdint.h sys/x86: further adoption of SPDX licensing ID tags. 2017-11-27 15:11:47 +00:00
_types.h Remove lint support from system headers and MD x86 headers. 2017-11-23 11:40:16 +00:00
acpica_machdep.h sys/x86: further adoption of SPDX licensing ID tags. 2017-11-27 15:11:47 +00:00
apicreg.h sys/x86: further adoption of SPDX licensing ID tags. 2017-11-27 15:11:47 +00:00
apicvar.h sys/x86: further adoption of SPDX licensing ID tags. 2017-11-27 15:11:47 +00:00
apm_bios.h
bus_dma.h Clean up MD pollution of bus_dma.h: 2017-07-01 05:35:29 +00:00
bus.h sys/x86: further adoption of SPDX licensing ID tags. 2017-11-27 15:11:47 +00:00
busdma_impl.h sys/x86: further adoption of SPDX licensing ID tags. 2017-11-27 15:11:47 +00:00
cputypes.h Remove 'cpu' and 'cpu_class' on amd64. 2016-09-15 17:05:54 +00:00
dump.h
elf.h sys/x86: further adoption of SPDX licensing ID tags. 2017-11-27 15:11:47 +00:00
endian.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
fdt.h sys/x86: further adoption of SPDX licensing ID tags. 2017-11-27 15:11:47 +00:00
float.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
fpu.h Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
frame.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
init.h sys/x86: further adoption of SPDX licensing ID tags. 2017-11-27 15:11:47 +00:00
legacyvar.h sys/x86: further adoption of SPDX licensing ID tags. 2017-11-27 15:11:47 +00:00
mca.h sys/x86: further adoption of SPDX licensing ID tags. 2017-11-27 15:11:47 +00:00
metadata.h Move amd64 metadata.h to x86 and share with i386 2016-01-07 19:47:26 +00:00
mptable.h sys/x86: further adoption of SPDX licensing ID tags. 2017-11-27 15:11:47 +00:00
ofw_machdep.h sys/x86: further adoption of SPDX licensing ID tags. 2017-11-27 15:11:47 +00:00
pci_cfgreg.h sys/x86: further adoption of SPDX licensing ID tags. 2017-11-27 15:11:47 +00:00
psl.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
ptrace.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
pvclock.h
reg.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
segments.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
setjmp.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
sigframe.h sys/x86: further adoption of SPDX licensing ID tags. 2017-11-27 15:11:47 +00:00
signal.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
specialreg.h Add CR4.SMAP control bit. 2018-01-01 19:34:19 +00:00
stack.h
stdarg.h Introduce an architecture-agnostic <sys/_stdarg.h> to reduce 2017-12-25 20:54:00 +00:00
sysarch.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
trap.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
ucontext.h sys/x86: further adoption of SPDX licensing ID tags. 2017-11-27 15:11:47 +00:00
vdso.h sys/x86: further adoption of SPDX licensing ID tags. 2017-11-27 15:11:47 +00:00
vmware.h
x86_smp.h SPDX: use the Beerware identifier. 2017-11-30 20:33:45 +00:00
x86_var.h Make it possible to re-evaluate cpu_features. 2018-01-05 21:06:19 +00:00