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| author | Feng Wu <feng.wu@intel.com> | 2015-05-19 11:07:16 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2015-05-19 15:51:17 +0200 |
| commit | f6b3c72c23661e5534cd2eede16e9bac7ebb761c (patch) | |
| tree | 9a4033e16059ae731bd8fc5420a942b9dcecaadc /arch/x86/include/asm/hw_irq.h | |
| parent | x86/irq/msi: Implement irq_set_vcpu_affinity for remapped MSI irqs (diff) | |
| download | linux-f6b3c72c23661e5534cd2eede16e9bac7ebb761c.tar.xz linux-f6b3c72c23661e5534cd2eede16e9bac7ebb761c.zip | |
x86/irq: Define a global vector for VT-d Posted-Interrupts
Currently, we use a global vector as the Posted-Interrupts
Notification Event for all the vCPUs in the system. We need
to introduce another global vector for VT-d Posted-Interrtups,
which will be used to wakeup the sleep vCPU when an external
interrupt from a direct-assigned device happens for that vCPU.
[ tglx: Removed a gazillion of extra newlines ]
Signed-off-by: Feng Wu <feng.wu@intel.com>
Cc: jiang.liu@linux.intel.com
Link: http://lkml.kernel.org/r/1432026437-16560-4-git-send-email-feng.wu@intel.com
Suggested-by: Yang Zhang <yang.z.zhang@intel.com>
Acked-by: H. Peter Anvin <hpa@linux.intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/include/asm/hw_irq.h')
| -rw-r--r-- | arch/x86/include/asm/hw_irq.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/include/asm/hw_irq.h b/arch/x86/include/asm/hw_irq.h index 9ec5d37d8da3..10c80d4f8386 100644 --- a/arch/x86/include/asm/hw_irq.h +++ b/arch/x86/include/asm/hw_irq.h @@ -29,6 +29,7 @@ extern asmlinkage void apic_timer_interrupt(void); extern asmlinkage void x86_platform_ipi(void); extern asmlinkage void kvm_posted_intr_ipi(void); +extern asmlinkage void kvm_posted_intr_wakeup_ipi(void); extern asmlinkage void error_interrupt(void); extern asmlinkage void irq_work_interrupt(void); @@ -58,6 +59,7 @@ extern void trace_call_function_single_interrupt(void); #define trace_irq_move_cleanup_interrupt irq_move_cleanup_interrupt #define trace_reboot_interrupt reboot_interrupt #define trace_kvm_posted_intr_ipi kvm_posted_intr_ipi +#define trace_kvm_posted_intr_wakeup_ipi kvm_posted_intr_wakeup_ipi #endif /* CONFIG_TRACING */ #ifdef CONFIG_X86_LOCAL_APIC |