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7f7f6f85a1
freebsd-skq/sys/i386/include
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John Baldwin 7f7f6f85a1 Add a custom implementation of cpu_lock_delay() for x86. 
Avoid using DELAY() since it can try to use spin locks on CPUs without
a P-state invariant TSC.  For cpu_lock_delay(), always use the TSC if
it exists (even if it is not P-state invariant) to delay for a
microsecond.  If the TSC does not exist, read from I/O port 0x84 to
delay instead.

PR:		228768
Reported by:	Roger Hammerstein <cheeky.m@live.com>
Reviewed by:	kib
MFC after:	3 days
Differential Revision:	https://reviews.freebsd.org/D17851
2018-11-05 22:54:03 +00:00
..
pc i386 4/4G split. 2018-04-13 20:30:49 +00:00
xen
_align.h
_bus.h sys/i386: further adoption of SPDX licensing ID tags. 2017-11-27 15:08:52 +00:00
_inttypes.h
_limits.h
_stdint.h
_types.h
acpica_machdep.h
apm_bios.h
apm_segments.h
asm.h Remove lint support from system headers and MD x86 headers. 2017-11-23 11:40:16 +00:00
asmacros.h Fix recent breakages of kernel profiling, mostly on i386 (high resolution 2018-06-02 04:25:09 +00:00
atomic.h Implement missing atomic_fcmpset_XXX() support for i386. 2018-08-09 11:30:13 +00:00
bootinfo.h sys/i386: further adoption of SPDX licensing ID tags. 2017-11-27 15:08:52 +00:00
bus_dma.h sys/i386: further adoption of SPDX licensing ID tags. 2017-11-27 15:08:52 +00:00
bus.h
clock.h re-synchronize TSC-s on SMP systems after resume, if necessary 2018-05-25 07:33:20 +00:00
counter.h Back pcpu zone with domain correct pages 2018-07-06 02:06:03 +00:00
cpu.h Add a custom implementation of cpu_lock_delay() for x86. 2018-11-05 22:54:03 +00:00
cpufunc.h Tell the compiler that rdtscp clobbers %ecx. 2018-06-09 18:31:19 +00:00
cputypes.h sys/i386: further adoption of SPDX licensing ID tags. 2017-11-27 15:08:52 +00:00
cserial.h Fix misspellings of transmitter/transmitted 2018-08-10 20:37:32 +00:00
db_machdep.h Cleanups related to debug exceptions on x86. 2018-05-22 00:45:00 +00:00
dump.h
efi.h
elan_mmcr.h sys/i386: further adoption of SPDX licensing ID tags. 2017-11-27 15:08:52 +00:00
elf.h
endian.h
exec.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
fdt.h
float.h
floatingpoint.h spdx: initial adoption of licensing ID tags. 2017-11-18 14:26:50 +00:00
frame.h i386 4/4G split. 2018-04-13 20:30:49 +00:00
gdb_machdep.h amd64: Protect the kernel text, data, and BSS by setting the RW/NX bits 2018-03-06 14:28:37 +00:00
ieeefp.h Resolve conflicts between macros in fenv.h and ieeefp.h 2018-05-31 20:22:47 +00:00
if_wl_wavelan.h sys/i386: further adoption of SPDX licensing ID tags. 2017-11-27 15:08:52 +00:00
in_cksum.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
intr_machdep.h Merge amd64 and i386 <machine/intr_machdep.h> headers. 2018-08-20 12:31:39 +00:00
ioctl_bt848.h sys/i386: further adoption of SPDX licensing ID tags. 2017-11-27 15:08:52 +00:00
ioctl_meteor.h sys/i386: further adoption of SPDX licensing ID tags. 2017-11-27 15:08:52 +00:00
iodev.h sys/i386: further adoption of SPDX licensing ID tags. 2017-11-27 15:08:52 +00:00
kdb.h sys/i386: further adoption of SPDX licensing ID tags. 2017-11-27 15:08:52 +00:00
limits.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
md_var.h Remove unused bcopyb. 2018-05-10 02:31:54 +00:00
memdev.h sys/i386: further adoption of SPDX licensing ID tags. 2017-11-27 15:08:52 +00:00
metadata.h
minidump.h sys/i386: further adoption of SPDX licensing ID tags. 2017-11-27 15:08:52 +00:00
mp_watchdog.h sys/i386: further adoption of SPDX licensing ID tags. 2017-11-27 15:08:52 +00:00
nexusvar.h
npx.h Remove unused error return from API that cannot fail 2018-02-23 20:15:19 +00:00
ofw_machdep.h
param.h i386 4/4G split. 2018-04-13 20:30:49 +00:00
pcb_ext.h Remove dead declaration. 2018-05-11 20:47:45 +00:00
pcb.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
pci_cfgreg.h
pcpu.h Expand x86 struct pcpus to UMA_PCPU_ALLOC_SIZE AKA PAGE_SIZE. 2018-07-06 19:50:44 +00:00
perfmon.h
pmap.h Convert x86 cache invalidation functions to ifuncs. 2018-09-19 19:35:02 +00:00
pmc_mdep.h hwpmc: ABI fixes 2018-06-04 02:05:48 +00:00
ppireg.h sys/i386: further adoption of SPDX licensing ID tags. 2017-11-27 15:08:52 +00:00
proc.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
profile.h Oops, the last minute reduction in the clobber list for i386 2018-06-02 09:59:27 +00:00
psl.h
ptrace.h
pvclock.h
reg.h
reloc.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
resource.h
runq.h sys/i386: further adoption of SPDX licensing ID tags. 2017-11-27 15:08:52 +00:00
segments.h i386 4/4G split. 2018-04-13 20:30:49 +00:00
setjmp.h
sf_buf.h sys/i386: further adoption of SPDX licensing ID tags. 2017-11-27 15:08:52 +00:00
sigframe.h sys/i386: further adoption of SPDX licensing ID tags. 2017-11-27 15:08:52 +00:00
signal.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
smapi.h sys/i386: further adoption of SPDX licensing ID tags. 2017-11-27 15:08:52 +00:00
smp.h x86: improve reservation of AP trampoline memory 2018-04-05 14:39:51 +00:00
speaker.h
specialreg.h
stack.h
stdarg.h
sysarch.h
timerreg.h sys/i386: further adoption of SPDX licensing ID tags. 2017-11-27 15:08:52 +00:00
trap.h
tss.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
ucontext.h sys/i386: further adoption of SPDX licensing ID tags. 2017-11-27 15:08:52 +00:00
vdso.h
vm86.h sys/i386: further adoption of SPDX licensing ID tags. 2017-11-27 15:08:52 +00:00
vm.h sys/i386: further adoption of SPDX licensing ID tags. 2017-11-27 15:08:52 +00:00
vmparam.h Rename VM_FREELIST_ISADMA to VM_FREELIST_LOWMEM. 2018-07-27 18:34:20 +00:00