Neel Natu 95102a8bcb Add a "pause" to busy wait loops in the cpu reset path. ...

This should not matter much when running on bare metal but it makes the guest
more friendly when running inside a virtual machine.

Discussed with:	jhb
Obtained from:	NetApp

2013-01-09 02:11:16 +00:00

..

amd64_mem.c

Avoid preemption while manipulating CRs and MTRRs.

2011-01-17 17:30:35 +00:00

apic_vector.S

Do not EOI local APIC too early. Just do doreti normally after resuming.

2012-02-07 23:24:29 +00:00

atomic.c

…

atpic_vector.S

Introduce the new kernel sub-tree x86 which should contain all the code

2010-02-25 14:13:39 +00:00

autoconf.c

…

bios.c

…

bpf_jit_machdep.c

If a conditional jump instruction has the same jt and jf, do not perform

2010-04-22 23:47:19 +00:00

bpf_jit_machdep.h

If a conditional jump instruction has the same jt and jf, do not perform

2010-04-22 23:47:19 +00:00

cpu_switch.S

Add support for the XSAVEOPT instruction use. Our XSAVE/XRSTOR usage

2012-07-14 15:48:30 +00:00

db_disasm.c

Several fixes to the amd64 disassembler:

2012-07-06 14:25:59 +00:00

db_interface.c

- Adjust the whitespace for the lines that output fields in 'show pcpu' in

2010-05-21 17:17:56 +00:00

db_trace.c

Print the frame addresses for the backtraces on i386 and amd64. It

2012-12-03 22:16:51 +00:00

elf_machdep.c

Remove duplicate header inclusion of <sys/sysent.h>

2012-08-07 05:46:36 +00:00

exception.S

Microoptimize the return path for the fast syscalls on amd64. Arrange

2011-09-15 09:53:04 +00:00

fpu.c

Implement an API to allow a hypervisor to save/restore

2012-12-12 08:35:32 +00:00

gdb_machdep.c

…

genassym.c

Add x86/acpica/acpi_wakeup.c for amd64 and i386. Difference of

2012-06-09 00:37:26 +00:00

identcpu.c

Do not try to enable new features in the %cr4 if running under

2012-11-09 16:00:30 +00:00

in_cksum.c

…

initcpu.c

Enable the new instructions for reading and writing bases for %fs,

2012-11-01 15:17:43 +00:00

io.c

- Extract the IODEV_PIO interface from ia64 and make it MI.

2010-04-28 15:38:01 +00:00

locore.S

…

machdep.c

The 'testing memory' patch gets printed too many times

2012-10-22 11:57:26 +00:00

mem.c

Partially revert r217515 so that the mem_range_softc variable is always

2012-07-09 20:42:08 +00:00

minidump_machdep.c

Move the declaration of vm_phys_paddr_to_vm_page() from vm/vm_page.h

2012-11-16 05:55:56 +00:00

mp_machdep.c

Reverts r234074,234105,234564,234723,234989,235231-235232 and part of

2012-10-09 12:22:43 +00:00

mp_watchdog.c

Move <machine/apicreg.h> to <x86/apicreg.h>.

2010-11-01 18:18:46 +00:00

mpboot.S

…

pmap.c

Add amd64-specific ddb command "show pte". The command displays the

2012-12-10 05:14:34 +00:00

prof_machdep.c

Use atomic load & store for TSC frequency. It may be overkill for amd64 but

2011-04-07 23:28:28 +00:00

ptrace_machdep.c

The PT_I386_{GET,SET}XMMREGS and PT_{GET,SET}XSTATE operate on the

2012-07-21 13:06:37 +00:00

sigtramp.S

…

stack_machdep.c

…

support.S

- Remove the eintrcnt/eintrnames usage and introduce the concept of

2011-07-18 15:19:40 +00:00

sys_machdep.c

Add support for the extended FPU states on amd64, both for native

2012-01-21 17:45:27 +00:00

trap.c

Print the %rip value for uprintf_signal.

2012-10-14 17:08:46 +00:00

uio_machdep.c

Put the general logic for being a CPU hog into a new function

2011-02-02 16:35:10 +00:00

uma_machdep.c

Flip the semantic of M_NOWAIT to only require the allocation to not

2012-11-14 20:01:40 +00:00

vm_machdep.c

Add a "pause" to busy wait loops in the cpu reset path.

2013-01-09 02:11:16 +00:00