TononixOS/ubports_kernel_google_msm
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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm

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* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm: (80 commits)
  KVM: Use CPU_DYING for disabling virtualization
  KVM: Tune hotplug/suspend IPIs
  KVM: Keep track of which cpus have virtualization enabled
  SMP: Allow smp_call_function_single() to current cpu
  i386: Allow smp_call_function_single() to current cpu
  x86_64: Allow smp_call_function_single() to current cpu
  HOTPLUG: Adapt thermal throttle to CPU_DYING
  HOTPLUG: Adapt cpuset hotplug callback to CPU_DYING
  HOTPLUG: Add CPU_DYING notifier
  KVM: Clean up #includes
  KVM: Remove kvmfs in favor of the anonymous inodes source
  KVM: SVM: Reliably detect if SVM was disabled by BIOS
  KVM: VMX: Remove unnecessary code in vmx_tlb_flush()
  KVM: MMU: Fix Wrong tlb flush order
  KVM: VMX: Reinitialize the real-mode tss when entering real mode
  KVM: Avoid useless memory write when possible
  KVM: Fix x86 emulator writeback
  KVM: Add support for in-kernel pio handlers
  KVM: VMX: Fix interrupt checking on lightweight exit
  KVM: Adds support for in-kernel mmio handlers
  ...
This commit is contained in:
Linus Torvalds
2007-07-17 11:50:26 -07:00
parent 492559af23 cec9ad279b
commit 49c13b51a1
18 changed files with 1203 additions and 768 deletions
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6
arch/i386/kernel/cpu/mcheck/therm_throt.c
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@@ -134,19 +134,21 @@ static __cpuinit int thermal_throttle_cpu_callback(struct notifier_block *nfb,
int err;
sys_dev = get_cpu_sysdev(cpu);
mutex_lock(&therm_cpu_lock);
switch (action) {
case CPU_ONLINE:
case CPU_ONLINE_FROZEN:
mutex_lock(&therm_cpu_lock);
err = thermal_throttle_add_dev(sys_dev);
mutex_unlock(&therm_cpu_lock);
WARN_ON(err);
break;
case CPU_DEAD:
case CPU_DEAD_FROZEN:
mutex_lock(&therm_cpu_lock);
thermal_throttle_remove_dev(sys_dev);
mutex_unlock(&therm_cpu_lock);
break;
}
mutex_unlock(&therm_cpu_lock);
return NOTIFY_OK;
}

8
arch/i386/kernel/smpcommon.c
View File

@@ -47,7 +47,7 @@ int smp_call_function(void (*func) (void *info), void *info, int nonatomic,
EXPORT_SYMBOL(smp_call_function);
/**
* smp_call_function_single - Run a function on another CPU
* smp_call_function_single - Run a function on a specific CPU
* @cpu: The target CPU. Cannot be the calling CPU.
* @func: The function to run. This must be fast and non-blocking.
* @info: An arbitrary pointer to pass to the function.
@@ -66,9 +66,11 @@ int smp_call_function_single(int cpu, void (*func) (void *info), void *info,
int ret;
int me = get_cpu();
if (cpu == me) {
WARN_ON(1);
local_irq_disable();
func(info);
local_irq_enable();
put_cpu();
return -EBUSY;
return 0;
}
ret = smp_call_function_mask(cpumask_of_cpu(cpu), func, info, wait);

14
arch/x86_64/kernel/smp.c
View File

@@ -357,7 +357,7 @@ __smp_call_function_single(int cpu, void (*func) (void *info), void *info,
}
/*
* smp_call_function_single - Run a function on another CPU
* smp_call_function_single - Run a function on a specific CPU
* @func: The function to run. This must be fast and non-blocking.
* @info: An arbitrary pointer to pass to the function.
* @nonatomic: Currently unused.
@@ -374,14 +374,18 @@ int smp_call_function_single (int cpu, void (*func) (void *info), void *info,
{
/* prevent preemption and reschedule on another processor */
int me = get_cpu();
if (cpu == me) {
put_cpu();
return 0;
}
/* Can deadlock when called with interrupts disabled */
WARN_ON(irqs_disabled());
if (cpu == me) {
local_irq_disable();
func(info);
local_irq_enable();
put_cpu();
return 0;
}
spin_lock_bh(&call_lock);
__smp_call_function_single(cpu, func, info, nonatomic, wait);
spin_unlock_bh(&call_lock);