H. Peter Anvin ce9119ad90 x86-32: Avoid pipeline serialization in PTREGSCALL1 and 2 ...

In the PTREGSCALL1 and 2 macros, we can trivially avoid an unnecessary
pipeline serialization, so do so.

In PTREGSCALLS3 this is much less clear-cut since we have to push a
new value to the stack.  Leave it alone for now assuming it is as good
as it is going to be; may want to check on Atom or another in-order
x86 to see if we can do better.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Cc: Brian Gerst <brgerst@gmail.com>
LKML-Reference: <1260403316-5679-2-git-send-email-brgerst@gmail.com>

2009-12-09 16:33:44 -08:00

..

acpi

Merge branch 'timers-for-linus-hpet' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

2009-12-08 19:26:55 -08:00

apic

Merge branch 'timers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

2009-12-08 19:27:08 -08:00

cpu

Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

2009-12-08 13:38:11 -08:00

.gitignore

…

alternative.c

Merge branch 'x86-cpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

2009-09-14 07:57:32 -07:00

amd_iommu_init.c

x86/amd-iommu: Remove amd_iommu_pd_table

2009-11-27 14:20:37 +01:00

amd_iommu.c

x86/amd-iommu: Remove amd_iommu_pd_table

2009-11-27 14:20:37 +01:00

aperture_64.c

x86: Handle HW IOMMU initialization failure gracefully

2009-11-10 12:32:07 +01:00

apm_32.c

x86: Remove BKL from apm_32

2009-10-14 17:04:48 +02:00

asm-offsets_32.c

lguest: optimize by coding restore_flags and irq_enable in assembler.

2009-06-12 22:27:03 +09:30

asm-offsets_64.c

tracing: Define NR_syscalls for x86_64

2009-08-26 21:29:58 +02:00

asm-offsets.c

…

audit_64.c

…

bios_uv.c

x86, UV: system table in bios accessed after unmap

2009-04-03 19:25:57 +02:00

bootflag.c

…

check.c

x86: fix 64k corruption-check

2009-03-15 07:03:15 +01:00

cpuid.c

Merge branch 'x86-cpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

2009-12-05 15:32:35 -08:00

crash_dump_32.c

x86: crash_dump: Fix non-pae kdump kernel memory accesses

2009-10-26 12:38:59 +01:00

crash_dump_64.c

…

crash.c

x86: Use x86_platform for iommu_shutdown

2009-11-08 13:12:26 +01:00

doublefault_32.c

x86: Use get_desc_base()

2009-07-19 18:27:51 +02:00

ds_selftest.c

x86, ds: fix buffer alignment in debug store selftest

2009-04-24 10:18:51 +02:00

ds_selftest.h

x86, bts: cleanups

2009-03-13 11:57:22 +01:00

ds.c

x86: ds.c fix invalid assignment

2009-06-20 17:53:13 +02:00

dumpstack_32.c

x86: dumpstack: Clean up the x86_stack_ids[][] initalization and other details

2009-11-26 08:24:33 +01:00

dumpstack_64.c

x86: dumpstack, 64-bit: Disable preemption when walking the IRQ/exception stacks

2009-11-26 08:29:10 +01:00

dumpstack.c

x86: use kernel_stack_pointer() in dumpstack.c

2009-10-12 14:19:34 -07:00

dumpstack.h

x86: avoid multiple declaration of kstack_depth_to_print

2009-04-14 11:45:33 +02:00

e820.c

pci: increase alignment to make more space for hidden code

2009-10-11 14:43:36 -07:00

early_printk.c

x86: earlyprintk: Fix regression to handle serial,ttySn as 1 arg

2009-10-01 10:34:16 +02:00

early-quirks.c

x86 early quirks: eliminate unused function

2009-04-08 14:16:32 +02:00

efi_32.c

…

efi_64.c

x86: Make 64-bit efi_ioremap use ioremap on MMIO regions

2009-08-03 13:34:25 -07:00

efi_stub_32.S

Merge branch 'x86/asm' into x86/mm

2009-02-25 08:27:46 +01:00

efi_stub_64.S

…

efi.c

x86: Make EFI RTC function depend on 32bit again

2009-10-27 12:35:48 +01:00

entry_32.S

x86-32: Avoid pipeline serialization in PTREGSCALL1 and 2

2009-12-09 16:33:44 -08:00

entry_64.S

Merge branch 'x86-uv-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

2009-12-08 13:38:21 -08:00

ftrace.c

Merge branch 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

2009-12-08 13:27:33 -08:00

geode_32.c

…

head32.c

x86: Add Moorestown early detection

2009-08-31 11:09:40 +02:00

head64.c

x86: Add early platform detection

2009-08-31 11:09:40 +02:00

head_32.S

x86-32: Use symbolic constants, safer CPUID when enabling EFER.NX

2009-11-16 13:44:56 -08:00

head_64.S

Merge branch 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

2009-12-08 13:27:33 -08:00

head.c

…

hpet.c

x86: hpet: Make WARN_ON understandable

2009-11-27 20:37:41 +01:00

hw_breakpoint.c

x86/hw-breakpoints: Don't lose GE flag while disabling a breakpoint

2009-11-26 09:29:22 +01:00

i386_ksyms_32.c

x86: Don't generate cmpxchg8b_emu if CONFIG_X86_CMPXCHG64=y

2009-10-01 08:42:24 +02:00

i387.c

x86, math-emu: fix init_fpu for task != current

2009-03-04 20:33:16 +01:00

i8237.c

…

i8253.c

x86: Do not unregister PIT clocksource on PIT oneshot setup/shutdown

2009-08-21 21:13:37 +02:00

i8259.c

…

init_task.c

Use new __init_task_data macro in arch init_task.c files.

2009-09-21 06:27:08 +02:00

io_delay.c

x86: io_delay.c cleanup

2009-03-21 16:57:04 +05:30

ioport.c

x86: Merge sys_iopl

2009-12-09 16:28:10 -08:00

irq_32.c

x86: Unify fixup_irqs() for 32-bit and 64-bit kernels

2009-11-02 15:56:34 +01:00

irq_64.c

x86: Unify fixup_irqs() for 32-bit and 64-bit kernels

2009-11-02 15:56:34 +01:00

irq.c

Merge branch 'x86-uv-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

2009-12-08 13:38:21 -08:00

irqinit.c

x86: UV RTC: Rename generic_interrupt to x86_platform_ipi

2009-10-14 18:27:11 +02:00

k8.c

…

kdebugfs.c

x86: kdebugfs.c cleanup

2009-03-21 16:55:45 +05:30

kgdb.c

Merge branch 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

2009-12-05 15:32:18 -08:00

kprobes.c

Merge branch 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

2009-12-05 15:32:18 -08:00

kvm.c

KVM guest: do not batch pte updates from interrupt context

2009-09-10 18:10:50 +03:00

kvmclock.c

Merge branch 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

2009-09-18 14:05:47 -07:00

ldt.c

cpumask: use mm_cpumask() wrapper: x86

2009-09-24 09:34:52 +09:30

machine_kexec_32.c

Merge branch 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

2009-12-08 13:27:33 -08:00

machine_kexec_64.c

hw-breakpoints: cleanup HW Breakpoint registers before kexec

2009-06-02 22:47:00 +02:00

Makefile

Merge commit 'perf/core' into perf/hw-breakpoint

2009-10-18 01:12:33 +02:00

mca_32.c

…

mfgpt_32.c

x86: geode: Mark mfgpt irq IRQF_TIMER to prevent resume failure

2009-07-24 08:42:52 +02:00

microcode_amd.c

x86: ucode-amd: Move family check to microcde_amd.c's init function

2009-11-17 10:10:40 +01:00

microcode_core.c

Merge branch 'x86-microcode-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

2009-12-08 13:25:10 -08:00

microcode_intel.c

x86: microcode: use smp_call_function_single instead of set_cpus_allowed, cleanup of synchronization logic

2009-05-12 10:36:44 +02:00

mmconf-fam10h_64.c

x86: move various CPU initialization objects into .cpuinit.rodata

2009-03-12 13:13:07 +01:00

module.c

module: cleanup FIXME comments about trimming exception table entries.

2009-06-12 21:47:05 +09:30

mpparse.c

x86: Move find_smp_config() earlier and avoid bootmem usage

2009-11-24 12:10:51 +01:00

mrst.c

x86: Add Moorestown early detection

2009-08-31 11:09:40 +02:00

msr.c

Merge branch 'x86-cpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

2009-12-05 15:32:35 -08:00

olpc.c

…

paravirt_patch_32.c

…

paravirt_patch_64.c

…

paravirt-spinlocks.c

…

paravirt.c

Merge branch 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

2009-09-18 14:05:47 -07:00

pci-calgary_64.c

x86, Calgary IOMMU quirk: Find nearest matching Calgary while walking up the PCI tree

2009-12-03 11:44:05 +01:00

pci-dma.c

x86: Kill bad_dma_address variable

2009-11-17 07:53:21 +01:00

pci-gart_64.c

x86: gart: Clean up the code a bit

2009-11-17 07:57:00 +01:00

pci-nommu.c

x86: Kill bad_dma_address variable

2009-11-17 07:53:21 +01:00

pci-swiotlb.c

x86: Fix iommu=soft boot option

2009-11-25 10:12:51 +01:00

pcspeaker.c

…

pmtimer_64.c

…

probe_roms_32.c

…

process_32.c

x86: Merge sys_clone

2009-12-09 16:29:42 -08:00

process_64.c

x86: Merge sys_clone

2009-12-09 16:29:42 -08:00

process.c

x86: Merge sys_clone

2009-12-09 16:29:42 -08:00

ptrace.c

hw-breakpoints: Keep track of user disabled breakpoints

2009-12-02 09:59:03 +01:00

pvclock.c

x86: Fix warning in pvclock.c

2009-07-14 16:25:05 +02:00

quirks.c

x86: AMD Northbridge: Verify NB's node is online

2009-11-16 15:43:05 +01:00

reboot_fixups_32.c

x86/reboot: Add pci_dev_put in reboot_fixup_32.c for consistency

2009-12-03 12:17:55 +01:00

reboot.c

x86: Use x86_platform for iommu_shutdown

2009-11-08 13:12:26 +01:00

relocate_kernel_32.S

x86, kexec: fix kexec x86 coding style

2009-03-10 18:13:25 -07:00

relocate_kernel_64.S

x86, kexec: x86_64: add kexec jump support for x86_64

2009-03-10 18:13:25 -07:00

rtc.c

Merge branch 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

2009-09-18 14:05:47 -07:00

scx200_32.c

…

setup_percpu.c

x86,percpu: use embedding for 64bit NUMA and page for 32bit NUMA

2009-08-14 15:00:52 +09:00

setup.c

Merge branch 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

2009-12-08 13:27:33 -08:00

sfi.c

SFI: remove unneeded includes

2009-09-15 15:08:40 -04:00

signal.c

x86: Merge sys_sigaltstack

2009-12-09 16:28:59 -08:00

smp.c

Revert "x86, timers: Check for pending timers after (device) interrupts"

2009-10-09 15:58:20 +02:00

smpboot.c

x86: Remove unnecessary mdelay() from cpu_disable_common()

2009-12-02 10:11:02 +01:00

stacktrace.c

x86: add save_stack_trace_bp() for tracing from a specific stack frame

2009-06-12 23:01:05 +02:00

step.c

x86: Use get_desc_base()

2009-07-19 18:27:51 +02:00

sys_i386_32.c

…

sys_x86_64.c

tracing: Convert x86_64 mmap and uname to use DEFINE_SYSCALL

2009-08-11 20:35:29 +02:00

syscall_64.c

…

syscall_table_32.S

net: Introduce recvmmsg socket syscall

2009-10-12 23:40:10 -07:00

tboot.c

x86, intel_txt: clean up the impact on generic code, unbreak non-x86

2009-09-01 18:25:07 -07:00

tce_64.c

…

test_nx.c

…

test_rodata.c

…

time.c

x86: fix kernel panic on 32 bits when profiling

2009-10-12 11:53:51 -07:00

tlb_uv.c

Merge branch 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

2009-12-08 13:27:33 -08:00

tls.c

…

tls.h

…

topology.c

x86: topology.c cleanup

2009-03-21 16:55:24 +05:30

trampoline_32.S

x86: cpuinit-annotate SMP boot trampolines properly

2009-09-20 20:23:37 +02:00

trampoline_64.S

x86: Fix Suspend to RAM freeze on Acer Aspire 1511Lmi laptop

2009-10-12 18:06:48 +02:00

trampoline.c

x86: Fix Suspend to RAM freeze on Acer Aspire 1511Lmi laptop

2009-10-12 18:06:48 +02:00

traps.c

Merge commit 'perf/core' into perf/hw-breakpoint

2009-10-18 01:12:33 +02:00

tsc_sync.c

x86: Limit number of per cpu TSC sync messages

2009-11-26 10:17:45 +01:00

tsc.c

Merge branch 'linus' into x86/urgent

2009-09-20 20:25:03 +02:00

uv_irq.c

x86, apic: Move SGI UV functionality out of generic IO-APIC code

2009-10-14 09:17:09 +02:00

uv_sysfs.c

x86: prevent /sys/firmware/sgi_uv from being created on non-uv systems

2009-04-08 14:58:10 +02:00

uv_time.c

x86: UV RTC: Always enable RTC clocksource

2009-11-23 19:41:30 +01:00

verify_cpu_64.S

…

visws_quirks.c

Merge branch 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

2009-12-08 13:27:33 -08:00

vm86_32.c

x86, 32-bit: Convert sys_vm86 & sys_vm86old

2009-12-09 16:29:23 -08:00

vmi_32.c

x86, vmi: Mark VMI deprecated and schedule it for removal

2009-10-08 22:27:55 +02:00

vmiclock_32.c

x86: vmiclock: Fix printk format

2009-11-18 12:31:06 +01:00

vmlinux.lds.S

Merge branch 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

2009-12-08 13:27:33 -08:00

vsmp_64.c

Revert "x86: don't compile vsmp_64 for 32bit"

2009-03-25 21:34:28 +01:00

vsyscall_64.c

Merge branch 'timers-for-linus-urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

2009-12-08 19:28:09 -08:00

x86_init.c

Merge branch 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

2009-12-08 13:27:33 -08:00

x8664_ksyms_64.c

x86: Add missing might_fault() checks to copy_{to,from}_user()

2009-11-16 16:09:52 +01:00

xsave.c

x86-64: fix FPU corruption with signals and preemption

2009-04-20 14:33:00 -07:00