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Marcelo Tosatti 32f8840064 KVM: use smp_send_reschedule in kvm_vcpu_kick 
KVM uses a function call IPI to cause the exit of a guest running on a
physical cpu. For virtual interrupt notification there is no need to
wait on IPI receival, or to execute any function.

This is exactly what the reschedule IPI does, without the overhead
of function IPI. So use it instead of smp_call_function_single in
kvm_vcpu_kick.

Also change the "guest_mode" variable to a bit in vcpu->requests, and
use that to collapse multiple IPI's that would be issued between the
first one and zeroing of guest mode.

This allows kvm_vcpu_kick to called with interrupts disabled.

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
2009-06-10 11:48:53 +03:00
..
acpi Merge branch 'linus' into release 2009-04-05 02:14:15 -04:00
apic x86: Fix false positive section mismatch warnings in the apic code 2009-05-10 09:26:54 +02:00
cpu cpumask: alloc zeroed cpumask for static cpumask_var_ts 2009-06-09 22:30:27 +09:30
.gitignore
alternative.c x86: expand irq-off region in text_poke() 2009-03-10 16:24:23 +01:00
amd_iommu.c Merge git://git.infradead.org/iommu-2.6 2009-04-03 10:36:57 -07:00
amd_iommu_init.c amd-iommu: fix iommu flag masks 2009-05-04 15:05:24 +02:00
aperture_64.c
apm_32.c Merge branch 'cpumask-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2009-03-31 13:33:50 +10:30
asm-offsets.c
asm-offsets_32.c pm: rework includes, remove arch ifdefs 2009-04-01 08:59:16 -07:00
asm-offsets_64.c pm: rework includes, remove arch ifdefs 2009-04-01 08:59:16 -07:00
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
crash.c x86, apic: remove duplicate asm/apic.h inclusions 2009-02-17 17:52:44 +01:00
crash_dump_32.c
crash_dump_64.c
doublefault_32.c
ds.c x86, pebs: correct qualifier passed to ds_write_config() from ds_request_pebs() 2009-03-06 16:13:15 +01:00
dumpstack.c Merge commit 'origin/master' into next 2009-03-30 14:04:53 +11:00
dumpstack.h
dumpstack_32.c
dumpstack_64.c
e820.c x86: fix boot hang in early_reserve_e820() 2009-05-07 21:42:39 -07:00
early-quirks.c
early_printk.c x86: properly __init-annotate recent early_printk additions 2009-03-13 02:37:18 +01:00
efi.c Merge branch 'core/percpu' into percpu-cpumask-x86-for-linus-2 2009-03-27 17:28:43 +01:00
efi_32.c
efi_64.c Merge branch 'core/percpu' into percpu-cpumask-x86-for-linus-2 2009-03-27 17:28:43 +01:00
efi_stub_32.S Merge branch 'x86/asm' into x86/mm 2009-02-25 08:27:46 +01:00
efi_stub_64.S x86: efi_stub_32,64 - add missing ENDPROCs 2009-02-24 18:08:40 +01:00
entry_32.S x86: entry_32.S fix compile warnings - fix work mask bit width 2009-03-14 09:42:51 +01:00
entry_64.S lockdep, x86: account for irqs enabled in paranoid_exit 2009-04-18 09:04:28 +02:00
ftrace.c x86/function-graph: fix constraint for recording old return value 2009-05-13 13:52:19 -04:00
geode_32.c
head.c
head32.c x86-32: use brk segment for allocating initial kernel pagetable 2009-03-14 17:23:47 -07:00
head64.c x86: add brk allocation for very, very early allocations 2009-03-14 15:37:14 -07:00
head_32.S x86-32: tighten the bound on additional memory to map 2009-03-17 11:52:10 -07:00
head_64.S x86: head_64.S - use IDT_ENTRIES instead of hardcoded number 2009-02-24 18:08:38 +01:00
hpet.c x86: hpet: fix periodic mode programming on AMD 81xx 2009-04-22 15:53:40 +02:00
i386_ksyms_32.c
i387.c x86, math-emu: fix init_fpu for task != current 2009-03-04 20:33:16 +01:00
i8237.c i8327: fix outb() parameter order 2009-02-10 13:13:23 +01:00
i8253.c clocksource: pass clocksource to read() callback 2009-04-21 13:41:47 -07:00
i8259.c x86: refactor x86_quirks support 2009-02-23 00:08:11 +01:00
init_task.c
io_delay.c x86: io_delay.c cleanup 2009-03-21 16:57:04 +05:30
ioport.c x86-32: use non-lazy io bitmap context switching 2009-03-02 12:07:48 +01:00
irq.c x86: smarten /proc/interrupts output for new counters 2009-04-08 18:06:07 +02:00
irq_32.c Merge branch 'tj-percpu' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/misc into core/percpu 2009-02-24 21:52:45 +01:00
irq_64.c x86: unify do_IRQ() 2009-02-09 12:16:05 +01:00
irqinit_32.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-cpumask 2009-03-30 18:00:26 -07:00
irqinit_64.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-cpumask 2009-03-30 18:00:26 -07:00
k8.c
kdebugfs.c x86: kdebugfs.c cleanup 2009-03-21 16:55:45 +05:30
kgdb.c kgdb,i386: use address that SP register points to in the exception frame 2009-05-15 07:56:25 -05:00
kprobes.c Merge branch 'tracing/core-v2' into tracing-for-linus 2009-04-02 00:49:02 +02:00
kvm.c KVM: x86: paravirt skip pit-through-ioapic boot check 2009-06-10 11:48:24 +03:00
kvmclock.c clocksource: pass clocksource to read() callback 2009-04-21 13:41:47 -07:00
ldt.c
machine_kexec_32.c x86, kexec: fix crashdump panic with CONFIG_KEXEC_JUMP 2009-05-07 22:01:05 -07:00
machine_kexec_64.c x86, kexec: fix crashdump panic with CONFIG_KEXEC_JUMP 2009-05-07 22:01:05 -07:00
Makefile x86: Fix performance regression caused by paravirt_ops on native kernels 2009-05-15 20:07:42 +02:00
mca_32.c x86: refactor x86_quirks support 2009-02-23 00:08:11 +01:00
mfgpt_32.c cpumask: remove references to struct irqaction's mask field. 2009-03-30 22:05:14 +10:30
microcode_amd.c x86: microcode: cleanup 2009-03-18 13:51:17 +01:00
microcode_core.c Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2009-04-17 09:56:11 -07:00
microcode_intel.c x86: microcode: cleanup 2009-03-18 13:51:17 +01:00
mmconf-fam10h_64.c x86: move various CPU initialization objects into .cpuinit.rodata 2009-03-12 13:13:07 +01:00
module_32.c
module_64.c
mpparse.c x86: Fix section mismatches in mpparse 2009-04-12 12:32:18 +02:00
msr.c
olpc.c x86, olpc: fix model detection without OFW 2009-02-14 23:05:25 +01:00
paravirt-spinlocks.c
paravirt.c x86: Fix performance regression caused by paravirt_ops on native kernels 2009-05-15 20:07:42 +02:00
paravirt_patch_32.c x86/pvops: add a paravirt_ident functions to allow special patching 2009-01-30 14:51:44 -08:00
paravirt_patch_64.c x86/pvops: add a paravirt_ident functions to allow special patching 2009-01-30 14:51:44 -08:00
pci-calgary_64.c
pci-dma.c dma-mapping: replace all DMA_24BIT_MASK macro with DMA_BIT_MASK(24) 2009-04-07 08:31:12 -07:00
pci-gart_64.c Merge branch 'linus' into core/iommu 2009-03-05 12:47:28 +01:00
pci-nommu.c dma-mapping: replace all DMA_32BIT_MASK macro with DMA_BIT_MASK(32) 2009-04-07 08:31:11 -07:00
pci-swiotlb.c x86: pci-swiotlb.c swiotlb_dma_ops should be static 2009-04-14 02:51:04 +02:00
pcspeaker.c
pmtimer_64.c
probe_roms_32.c x86: move mach-default/*.h files to asm/ 2009-01-29 14:16:51 +01:00
process.c Merge branch 'tracing-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2009-04-05 11:04:19 -07:00
process_32.c Simplify copy_thread() 2009-04-02 19:04:51 -07:00
process_64.c Simplify copy_thread() 2009-04-02 19:04:51 -07:00
ptrace.c tracing/syscalls: use a dedicated file header 2009-04-09 05:43:32 +02:00
pvclock.c
quirks.c x86, hpet: Stop soliciting hpet=force users on ICH4M 2009-04-24 08:41:39 +02:00
reboot.c x86: DMI match for the Sony VGN-Z540N as it needs BIOS reboot 2009-05-22 09:11:30 +02:00
reboot_fixups_32.c
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 x86: rtc.c cleanup 2009-03-21 16:56:37 +05:30
scx200_32.c
setup.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-cpumask 2009-03-30 18:00:26 -07:00
setup_percpu.c x86: Remove remap percpu allocator for the time being 2009-05-25 05:37:55 +02:00
signal.c x86: signal: check sas_ss_size instead of sas_ss_flags() 2009-04-01 17:13:17 +02:00
smp.c KVM: use smp_send_reschedule in kvm_vcpu_kick 2009-06-10 11:48:53 +03:00
smpboot.c cpumask: use new cpumask functions throughout x86 2009-03-13 14:49:54 +10:30
stacktrace.c x86: update copyrights 2009-01-31 04:21:18 +01:00
step.c
sys_i386_32.c
sys_x86_64.c
syscall_64.c
syscall_table_32.S preadv/pwritev: Add preadv and pwritev system calls. 2009-04-02 19:05:08 -07:00
tce_64.c
test_nx.c
test_rodata.c
time_32.c x86: refactor x86_quirks support 2009-02-23 00:08:11 +01:00
time_64.c cpumask: remove references to struct irqaction's mask field. 2009-03-30 22:05:14 +10:30
tlb_uv.c cpumask: alloc zeroed cpumask for static cpumask_var_ts 2009-06-09 22:30:27 +09:30
tls.c
tls.h
topology.c x86: topology.c cleanup 2009-03-21 16:55:24 +05:30
trampoline.c
trampoline_32.S x86: use _types.h headers in asm where available 2009-02-13 11:35:01 -08:00
trampoline_64.S x86: use _types.h headers in asm where available 2009-02-13 11:35:01 -08:00
traps.c x86-32: use non-lazy io bitmap context switching 2009-03-02 12:07:48 +01:00
tsc.c clocksource: pass clocksource to read() callback 2009-04-21 13:41:47 -07:00
tsc_sync.c
uv_irq.c x86, apic: remove genapic.h 2009-02-17 17:52:44 +01:00
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 uv_time: add parameter to uv_read_rtc() 2009-04-22 17:41:25 +02:00
verify_cpu_64.S
visws_quirks.c x86: convert obsolete irq_desc_t typedef to struct irq_desc 2009-03-11 09:49:01 +01:00
vm86_32.c x86: use regparm(3) for passed-in pt_regs pointer 2009-02-11 14:00:56 -08:00
vmi_32.c x86: with the last user gone, remove set_pte_present 2009-03-19 14:04:19 +01:00
vmiclock_32.c clocksource: pass clocksource to read() callback 2009-04-21 13:41:47 -07:00
vmlinux.lds.S
vmlinux_32.lds.S x86-32: move _end to a dummy section 2009-03-17 14:16:02 -07:00
vmlinux_64.lds.S x86/brk: put the brk reservations in their own section 2009-03-17 12:58:15 -07:00
vsmp_64.c Revert "x86: don't compile vsmp_64 for 32bit" 2009-03-25 21:34:28 +01:00
vsyscall_64.c
x8664_ksyms_64.c
xsave.c x86-64: fix FPU corruption with signals and preemption 2009-04-20 14:33:00 -07:00