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1a338ac32c
linux_dsm_epyc7002/arch/x86/kernel
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Peter Zijlstra 1a338ac32c sched, x86: Optimize the preempt_schedule() call 
Remove the bloat of the C calling convention out of the
preempt_enable() sites by creating an ASM wrapper which allows us to
do an asm("call ___preempt_schedule") instead.

calling.h bits by Andi Kleen

Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/n/tip-tk7xdi1cvvxewixzke8t8le1@git.kernel.org
[ Fixed build error. ]
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2013-09-25 14:23:07 +02:00
..
acpi Merge branch 'x86-ras-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2013-09-04 11:07:04 -07:00
apic Merge branch 'x86-asmlinkage-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2013-09-04 08:42:44 -07:00
cpu sched, x86: Provide a per-cpu preempt_count implementation 2013-09-25 14:07:57 +02:00
kprobes Merge branch 'x86-asmlinkage-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2013-09-04 08:42:44 -07:00
.gitignore
alternative.c kprobes/x86: Call out into INT3 handler directly instead of using notifier 2013-07-23 10:12:57 +02:00
amd_gart_64.c x86, mm: use pfn_range_is_mapped() with gart 2012-11-17 11:59:10 -08:00
amd_nb.c x86, amd_nb: Clarify F15h, model 30h GART and L3 support 2013-08-12 15:30:08 +02:00
apb_timer.c Merge branch 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2013-02-19 20:11:07 -08:00
aperture_64.c x86/mm/gart: Drop unnecessary check 2013-04-16 10:54:40 +02:00
apm_32.c x86, asmlinkage, apm: Make APM data structure used from assembler visible 2013-08-06 14:20:20 -07:00
asm-offsets_32.c x86: Get rid of ->hard_math and all the FPU asm fu 2013-06-06 14:32:04 -07:00
asm-offsets_64.c x86, gdt, hibernate: Store/load GDT for hibernate path. 2013-05-02 11:27:35 -07:00
asm-offsets.c sched, x86: Provide a per-cpu preempt_count implementation 2013-09-25 14:07:57 +02:00
audit_64.c
bootflag.c
check.c
cpuid.c x86: delete __cpuinit usage from all x86 files 2013-07-14 19:36:56 -04:00
crash_dump_32.c
crash_dump_64.c
crash.c x86/ioapic/kcrash: Prevent crash_kexec() from deadlocking on ioapic_lock 2013-08-20 09:26:33 +02:00
devicetree.c of: Specify initrd location using 64-bit 2013-07-24 11:10:01 +01:00
doublefault.c x86: Extend #DF debugging aid to 64-bit 2013-05-13 13:42:44 -07:00
dumpstack_32.c dump_stack: unify debug information printed by show_regs() 2013-04-30 17:04:02 -07:00
dumpstack_64.c dump_stack: unify debug information printed by show_regs() 2013-04-30 17:04:02 -07:00
dumpstack.c dump_stack: consolidate dump_stack() implementations and unify their behaviors 2013-04-30 17:04:02 -07:00
e820.c x86: avoid remapping data in parse_setup_data() 2013-08-13 23:29:19 -07:00
early_printk.c early_printk: consolidate random copies of identical code 2013-04-29 18:28:13 -07:00
early-quirks.c x86: add early quirk for reserving Intel graphics stolen memory v5 2013-09-03 19:17:57 +02:00
entry_32.S sched, x86: Provide a per-cpu preempt_count implementation 2013-09-25 14:07:57 +02:00
entry_64.S sched, x86: Provide a per-cpu preempt_count implementation 2013-09-25 14:07:57 +02:00
ftrace.c x86/ftrace: Use __pa_symbol instead of __pa on C visible symbols 2012-11-16 16:42:09 -08:00
head32.c x86, asmlinkage: Make _*_start_kernel visible 2013-08-06 14:18:26 -07:00
head64.c x86, asmlinkage: Make _*_start_kernel visible 2013-08-06 14:18:26 -07:00
head_32.S Merge branch 'x86-cpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2013-09-04 09:11:16 -07:00
head_64.S x86: Make sure IDT is page aligned 2013-07-16 15:14:48 -07:00
head.c x86: Make sure we can boot in the case the BDA contains pure garbage 2013-02-27 13:38:57 -08:00
hpet.c x86, hpet: Introduce x86_msi_ops.setup_hpet_msi 2013-01-28 10:48:30 +01:00
hw_breakpoint.c ptrace/x86: flush_ptrace_hw_breakpoint() shoule clear the virtual debug registers 2013-07-09 10:33:26 -07:00
i386_ksyms_32.c sched, x86: Optimize the preempt_schedule() call 2013-09-25 14:23:07 +02:00
i387.c x86, fpu: correct the asm constraints for fxsave, unbreak mxcsr.daz 2013-07-26 09:11:56 -07:00
i8237.c
i8253.c
i8259.c x86/irq/i8259: Fix incorrect comment 2012-08-22 09:34:24 +02:00
io_delay.c
ioport.c x86: get rid of pt_regs argument of iopl(2) 2013-02-03 18:16:24 -05:00
irq_32.c sched, x86: Provide a per-cpu preempt_count implementation 2013-09-25 14:07:57 +02:00
irq_64.c
irq_work.c x86, asmlinkage: Make all interrupt handlers asmlinkage / __visible 2013-08-06 14:18:23 -07:00
irq.c x86, asmlinkage: Make all interrupt handlers asmlinkage / __visible 2013-08-06 14:18:23 -07:00
irqinit.c KVM: VMX: Register a new IPI for posted interrupt 2013-04-16 16:32:39 -03:00
jump_label.c Merge branch 'x86/jumplabel' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2013-09-10 19:43:23 -07:00
kdebugfs.c arch/x86/kernel/kdebugfs.c: Ensure a consistent return value in error case 2012-07-26 15:07:20 +02:00
kgdb.c kgdb,x86: fix warning about unused variable 2012-10-12 06:37:34 -05:00
kvm.c Merge branch 'x86-spinlocks-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2013-09-04 11:55:10 -07:00
kvmclock.c x86: delete __cpuinit usage from all x86 files 2013-07-14 19:36:56 -04:00
ldt.c
machine_kexec_32.c
machine_kexec_64.c x86, kexec, 64bit: Only set ident mapping for ram. 2013-01-29 15:26:35 -08:00
Makefile sched, x86: Optimize the preempt_schedule() call 2013-09-25 14:23:07 +02:00
microcode_amd_early.c x86, microcode, AMD: Fix early microcode loading 2013-08-12 18:32:45 +02:00
microcode_amd.c x86, microcode, AMD: Fix early microcode loading 2013-08-12 18:32:45 +02:00
microcode_core_early.c x86: delete __cpuinit usage from all x86 files 2013-07-14 19:36:56 -04:00
microcode_core.c x86: delete __cpuinit usage from all x86 files 2013-07-14 19:36:56 -04:00
microcode_intel_early.c x86: delete __cpuinit usage from all x86 files 2013-07-14 19:36:56 -04:00
microcode_intel_lib.c x86/microcode_intel_lib.c: Early update ucode on Intel's CPU 2013-01-31 13:19:14 -08:00
microcode_intel.c x86/microcode_intel.h: Define functions and macros for early loading ucode 2013-01-31 13:18:50 -08:00
mmconf-fam10h_64.c x86: delete __cpuinit usage from all x86 files 2013-07-14 19:36:56 -04:00
module.c
mpparse.c
msr.c x86: delete __cpuinit usage from all x86 files 2013-07-14 19:36:56 -04:00
nmi_selftest.c
nmi.c perf/x86: Fix incorrect use of do_div() in NMI warning 2013-07-12 14:13:04 +02:00
paravirt_patch_32.c
paravirt_patch_64.c
paravirt-spinlocks.c x86, ticketlock: Add slowpath logic 2013-08-09 07:54:00 -07:00
paravirt.c x86, paravirt: Remove duplicate definition for DEF_NATIVE 2013-09-04 09:46:43 -07:00
pci-calgary_64.c
pci-dma.c x86/dma-debug: Bump PREALLOC_DMA_DEBUG_ENTRIES 2013-01-24 17:34:18 +01:00
pci-iommu_table.c
pci-nommu.c
pci-swiotlb.c
pcspeaker.c
perf_regs.c perf: Fix off by one test in perf_reg_value() 2012-09-19 17:08:40 +02:00
preempt.S sched, x86: Optimize the preempt_schedule() call 2013-09-25 14:23:07 +02:00
probe_roms.c x86/pci/probe_roms: Add missing __iomem annotation to pci_map_biosrom() 2012-09-05 10:52:25 +02:00
process_32.c sched, x86: Provide a per-cpu preempt_count implementation 2013-09-25 14:07:57 +02:00
process_64.c sched, x86: Provide a per-cpu preempt_count implementation 2013-09-25 14:07:57 +02:00
process.c sched, idle: Fix the idle polling state logic 2013-09-25 13:53:10 +02:00
ptrace.c ptrace/x86: cleanup ptrace_set_debugreg() 2013-07-09 10:33:26 -07:00
pvclock.c remove sched notifier for cross-cpu migrations 2013-07-18 12:29:30 +02:00
quirks.c x86, quirks: Shut-up a long-standing gcc warning 2013-04-02 16:03:34 -07:00
reboot_fixups_32.c
reboot.c reboot: move arch/x86 reboot= handling to generic kernel 2013-07-09 10:33:29 -07:00
relocate_kernel_32.S x86, asm, cleanup: Replace open-coded control register values with symbolic 2013-06-25 16:26:06 -07:00
relocate_kernel_64.S x86, reloc: Use xorl instead of xorq in relocate_kernel_64.S 2013-06-20 21:30:04 -07:00
resource.c
rtc.c x86: Increase precision of x86_platform.get/set_wallclock() 2013-05-28 14:00:59 -07:00
setup_percpu.c
setup.c Merge branch 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2013-09-04 09:39:26 -07:00
signal.c Merge branch 'x86-smap-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2013-09-04 11:08:32 -07:00
smp.c x86, asmlinkage: Make all interrupt handlers asmlinkage / __visible 2013-08-06 14:18:23 -07:00
smpboot.c x86: delete __cpuinit usage from all x86 files 2013-07-14 19:36:56 -04:00
stacktrace.c
step.c ptrace: ensure arch_ptrace/ptrace_request can never race with SIGKILL 2013-01-22 10:08:00 -08:00
sys_x86_64.c x86 get_unmapped_area: Access mmap_legacy_base through mm_struct member 2013-08-22 10:19:35 -07:00
syscall_32.c x86, asmlinkage: Make syscall tables visible 2013-08-06 14:20:18 -07:00
syscall_64.c x86, asmlinkage: Make syscall tables visible 2013-08-06 14:20:18 -07:00
sysfb_efi.c x86: sysfb: move EFI quirks from efifb to sysfb 2013-08-02 16:17:47 -07:00
sysfb_simplefb.c x86: provide platform-devices for boot-framebuffers 2013-08-02 16:17:46 -07:00
sysfb.c x86: sysfb: move EFI quirks from efifb to sysfb 2013-08-02 16:17:47 -07:00
tboot.c x86 / tboot / ACPI: Fail extended mode reduced hardware sleep 2013-07-31 14:25:51 +02:00
tce_64.c
test_nx.c
test_rodata.c
time.c
tls.c make SYSCALL_DEFINE<n>-generated wrappers do asmlinkage_protect 2013-03-03 22:58:33 -05:00
tls.h
topology.c x86, topology: Debug CPU0 hotplug 2012-11-14 15:28:11 -08:00
trace_clock.c tracing,x86: Add a TSC trace_clock 2012-11-13 15:48:27 -05:00
tracepoint.c x86: Make sure IDT is page aligned 2013-07-16 15:14:48 -07:00
traps.c sched: Extract the basic add/sub preempt_count modifiers 2013-09-25 14:07:54 +02:00
tsc_sync.c x86: delete __cpuinit usage from all x86 files 2013-07-14 19:36:56 -04:00
tsc.c perf/x86: Add ability to calculate TSC from perf sample timestamps 2013-07-23 12:17:45 +02:00
uprobes.c uretprobes/x86: Hijack return address 2013-04-13 15:31:55 +02:00
verify_cpu.S
vm86_32.c x86, vm86: fix VM86 syscalls: use SYSCALL_DEFINEx(...) 2013-05-02 20:36:32 -04:00
vmlinux.lds.S x86: Drop always empty .text..page_aligned section 2013-03-11 15:07:56 +01:00
vsmp_64.c
vsyscall_64.c x86: delete __cpuinit usage from all x86 files 2013-07-14 19:36:56 -04:00
vsyscall_emu_64.S
vsyscall_trace.h
x86_init.c ARM: tegra: core SoC enhancements for 3.12 2013-08-21 10:17:18 -07:00
x8664_ksyms_64.c sched, x86: Optimize the preempt_schedule() call 2013-09-25 14:23:07 +02:00
xsave.c x86: delete __cpuinit usage from all x86 files 2013-07-14 19:36:56 -04:00