RE: [PATCH] x86/apic: Disable I/O APIC before shutdown local APIC

2013-11-06 Thread Yu, Fenghua
> Ingo Molnar [mailto:mingo.kernel@gmail.com] wrote: > Friday, October 25, 2013 3:58 AM > > * Fenghua Yu wrote: > > > From: Fenghua Yu > > > > In reboot and crash path, when shutdown local APIC, I/O APIC is still > active. > > This may cause issues because external interrupts can still

RE: [PATCH] x86/apic: Disable I/O APIC before shutdown local APIC

2013-11-06 Thread Yu, Fenghua
Ingo Molnar [mailto:mingo.kernel@gmail.com] wrote: Friday, October 25, 2013 3:58 AM * Fenghua Yu fenghua...@intel.com wrote: From: Fenghua Yu fenghua...@intel.com In reboot and crash path, when shutdown local APIC, I/O APIC is still active. This may cause issues because

Re: [PATCH] x86/apic: Disable I/O APIC before shutdown local APIC

2013-10-25 Thread Ingo Molnar
* Fenghua Yu wrote: > From: Fenghua Yu > > In reboot and crash path, when shutdown local APIC, I/O APIC is still active. > This may cause issues because external interrupts can still come in and > disturb local APIC during shutdown process. To quiet external interrupts, > disable I/O APIC

Re: [PATCH] x86/apic: Disable I/O APIC before shutdown local APIC

2013-10-25 Thread Ingo Molnar
* Fenghua Yu fenghua...@intel.com wrote: From: Fenghua Yu fenghua...@intel.com In reboot and crash path, when shutdown local APIC, I/O APIC is still active. This may cause issues because external interrupts can still come in and disturb local APIC during shutdown process. To quiet external

[PATCH] x86/apic: Disable I/O APIC before shutdown local APIC

2013-10-23 Thread Fenghua Yu
From: Fenghua Yu In reboot and crash path, when shutdown local APIC, I/O APIC is still active. This may cause issues because external interrupts can still come in and disturb local APIC during shutdown process. To quiet external interrupts, disable I/O APIC before shutdown local APIC.

[PATCH] x86/apic: Disable I/O APIC before shutdown local APIC

2013-10-23 Thread Fenghua Yu
From: Fenghua Yu fenghua...@intel.com In reboot and crash path, when shutdown local APIC, I/O APIC is still active. This may cause issues because external interrupts can still come in and disturb local APIC during shutdown process. To quiet external interrupts, disable I/O APIC before shutdown