Messages in this thread | | | Date | Sun, 27 Jan 2013 22:57:35 -0800 | Subject | Re: [PATCH] x86/apic: check FADT settings after enable x2apic | From | Yinghai Lu <> |
| |
On Sun, Jan 27, 2013 at 9:05 PM, Wang, Song-Bo (Stoney) <song-bo.wang@hp.com> wrote: > Hi Yinghai, hpa and others, > > Would you please review the patch on detecting x2apic FADT settings? > > We meet a BIOS system which works on x2apic physical mode by setting the bit ACPI_FADT_APIC_PHYSICAL in FADT table. > And for those systems with all cpuid < 255, the spec requires BIOS's default mode in xapic. > The kernel detects the default mode and do some initializations and will call enable_IR_x2apic and change the mode to x2apic successfully.
Hi, Peter and Ingo,
I checked the patch, and looks right.
I updated the changelog and simplify the code a little bit.
Please check if you can put it into tip:x86/apic
Thanks
Yinghai [unhandled content-type:application/octet-stream] | |