freebsd-dev/sys/i386/i386
Konstantin Belousov 290b0d123a x86: use x86_clear_dbregs() on fork
instead of manual zeroing of the debug registers file in pcb.
This centralizes the cleaning code, but the practical difference is
that PCB_DBREGS flag is cleared, saving some operations on context
switching.

Reviewed by:	jhb
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
Differential revision:	https://reviews.freebsd.org/D29687
2021-04-10 04:25:02 +03:00
..
apic_vector.s x86: remove gcov kernel support 2021-04-02 15:41:51 +03:00
atpic_vector.s x86: remove gcov kernel support 2021-04-02 15:41:51 +03:00
bios.c
bioscall.s
bpf_jit_machdep.c malloc: delegate M_EXEC handling to dedicacted routines 2020-10-30 20:02:32 +00:00
bpf_jit_machdep.h
copyout_fast.s
copyout.c
db_disasm.c
db_interface.c
db_trace.c ddb: replace watchpoint set/clear functions 2021-03-29 12:05:44 -03:00
elan-mmcr.c
elf_machdep.c random(4) FenestrasX: Push root seed version to arc4random(3) 2020-10-10 21:52:00 +00:00
exception.s x86: remove gcov kernel support 2021-04-02 15:41:51 +03:00
gdb_machdep.c gdb: report specific stop reason for watchpoints 2021-03-30 11:36:41 -03:00
genassym.c
geode.c
in_cksum.c Remove support for intel compiler from i386 in_cksum 2020-10-24 23:21:27 +00:00
initcpu.c i386: Fix a few typos 2021-03-13 16:10:01 +01:00
io.c
k6_mem.c
locore.s x86: remove gcov kernel support 2021-04-02 15:41:51 +03:00
longrun.c
machdep.c x86: add x86_clear_dbregs() helper 2021-04-10 04:25:01 +03:00
mem.c
minidump_machdep_base.c Honor the vm page's PG_NODUMP flag on arm and i386. 2021-01-04 16:15:42 -06:00
minidump_machdep_nopae.c
minidump_machdep_pae.c
minidump_machdep.c Move vm_page_dump bitset array definition to MI code 2020-09-21 22:20:37 +00:00
mp_clock.c
mp_machdep.c
mpboot.s x86: remove gcov kernel support 2021-04-02 15:41:51 +03:00
npx.c Improve FPU Tag Word reconstruction on i386 to indicate register states. 2020-10-21 00:15:12 +00:00
perfmon.c
pmap_base.c Skip the vm.pmap.kernel_maps sysctl by default. 2020-12-18 20:41:23 +00:00
pmap_nopae.c
pmap_pae.c
pmap.c Add a VA_IS_CLEANMAP() macro. 2021-02-17 16:32:11 -08:00
ptrace_machdep.c
sigtramp.s x86: remove gcov kernel support 2021-04-02 15:41:51 +03:00
support.s x86: remove gcov kernel support 2021-04-02 15:41:51 +03:00
swtch.s
sys_machdep.c x86: Always use clean FPU and segment base state for new kthreads. 2021-03-12 09:48:36 -08:00
trap.c Get rid of sa->narg. It serves no purpose; use sa->callp->sy_narg instead. 2020-09-27 18:47:06 +00:00
uio_machdep.c
vm86.c
vm86bios.s x86: remove gcov kernel support 2021-04-02 15:41:51 +03:00
vm_machdep.c x86: use x86_clear_dbregs() on fork 2021-04-10 04:25:02 +03:00