RE: [V5 PATCH 4/4] x86/apic: Introduce apic_extnmi boot option

2015-11-25 Thread 河合英宏 / KAWAI，HIDEHIRO
> On Fri, Nov 20, 2015 at 06:36:50PM +0900, Hidehiro Kawai wrote: > > This patch introduces new boot option, apic_extnmi: > > > > apic_extnmi={ bsp | all | none} > > > > The default value is "bsp" and this is the current behavior; only > > BSP receives external NMI. "all" allows external NMIs to

Re: [V5 PATCH 4/4] x86/apic: Introduce apic_extnmi boot option

2015-11-25 Thread Borislav Petkov
On Fri, Nov 20, 2015 at 06:36:50PM +0900, Hidehiro Kawai wrote: > This patch introduces new boot option, apic_extnmi: > > apic_extnmi={ bsp | all | none} > > The default value is "bsp" and this is the current behavior; only > BSP receives external NMI. "all" allows external NMIs to be > broadca

[V5 PATCH 4/4] x86/apic: Introduce apic_extnmi boot option

2015-11-20 Thread Hidehiro Kawai
This patch introduces new boot option, apic_extnmi: apic_extnmi={ bsp | all | none} The default value is "bsp" and this is the current behavior; only BSP receives external NMI. "all" allows external NMIs to be broadcast to all CPUs. This would raise the success rate of panic on NMI when BSP ha