Re: [PATCH] x86, apic: Check fadt x2apic phys in x2apic_phys_probe()

2013-02-06 Thread Yinghai Lu
On Wed, Feb 6, 2013 at 5:16 AM, Ingo Molnar wrote: > > * Yinghai Lu wrote: > >> On Tue, Feb 5, 2013 at 4:24 AM, Ingo Molnar wrote: >> > >> > * Yinghai Lu wrote: >> > >> >> From: Stoney Wang >> >> >> >> When HP ProLiant DL980 G7 Server boot without x2apic_phys, there will be >> >> intermittent

Re: [PATCH] x86, apic: Check fadt x2apic phys in x2apic_phys_probe()

2013-02-06 Thread Ingo Molnar
* Yinghai Lu wrote: > On Tue, Feb 5, 2013 at 4:24 AM, Ingo Molnar wrote: > > > > * Yinghai Lu wrote: > > > >> From: Stoney Wang > >> > >> When HP ProLiant DL980 G7 Server boot without x2apic_phys, there will be > >> intermittent lost interrupts and could result in a hang or data loss. > > > >

Re: [PATCH] x86, apic: Check fadt x2apic phys in x2apic_phys_probe()

2013-02-05 Thread Yinghai Lu
On Tue, Feb 5, 2013 at 4:24 AM, Ingo Molnar wrote: > > * Yinghai Lu wrote: > >> From: Stoney Wang >> >> When HP ProLiant DL980 G7 Server boot without x2apic_phys, there will be >> intermittent lost interrupts and could result in a hang or data loss. > > What does 'boot without x2apic_phys' mean?

Re: [PATCH] x86, apic: Check fadt x2apic phys in x2apic_phys_probe()

2013-02-05 Thread Ingo Molnar
* Yinghai Lu wrote: > From: Stoney Wang > > When HP ProLiant DL980 G7 Server boot without x2apic_phys, there will be > intermittent lost interrupts and could result in a hang or data loss. What does 'boot without x2apic_phys' mean? Does it mean x2apic_phys=0 boot command line? Or, because x