* [PATCH] fix IBM Summit based systems' phys_cpu_present_map on 32-bit kernels
@ 2008-07-25 2:06 Chris McDermott
2008-07-26 13:00 ` Ingo Molnar
0 siblings, 1 reply; 2+ messages in thread
From: Chris McDermott @ 2008-07-25 2:06 UTC (permalink / raw)
To: linux-next, linux-kernel
x86 kernels on IBM Summit based systems will only online 1 CPU because the
phys_cpu_present_map is not set up correctly. Patch below applied to
2.6.26-git10.
thanks,
Chris McDermott <lcm@linux.vnet.ibm.com>
Signed-off-by: Chris McDermott <lcm@linux.vnet.ibm.com>
Tested-by: Tim Pepper <lnxninga@linux.vnet.ibm.com>
--- a/include/asm-x86/mach-summit/mach_apic.h 2008-07-24 18:06:39.000000000 -0700
+++ b/include/asm-x86/mach-summit/mach_apic.h 2008-07-24 18:09:29.000000000 -0700
@@ -122,7 +122,7 @@ static inline physid_mask_t ioapic_phys_
static inline physid_mask_t apicid_to_cpu_present(int apicid)
{
- return physid_mask_of_physid(0);
+ return physid_mask_of_physid(apicid);
}
static inline void setup_portio_remap(void)
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH] fix IBM Summit based systems' phys_cpu_present_map on 32-bit kernels
2008-07-25 2:06 [PATCH] fix IBM Summit based systems' phys_cpu_present_map on 32-bit kernels Chris McDermott
@ 2008-07-26 13:00 ` Ingo Molnar
0 siblings, 0 replies; 2+ messages in thread
From: Ingo Molnar @ 2008-07-26 13:00 UTC (permalink / raw)
To: linux-next, linux-kernel
* Chris McDermott <lcm@linux.vnet.ibm.com> wrote:
> x86 kernels on IBM Summit based systems will only online 1 CPU because
> the phys_cpu_present_map is not set up correctly. Patch below applied
> to 2.6.26-git10.
applied to tip/x86/urgent - thanks Chris!
Ingo
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2008-07-26 13:00 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2008-07-25 2:06 [PATCH] fix IBM Summit based systems' phys_cpu_present_map on 32-bit kernels Chris McDermott
2008-07-26 13:00 ` Ingo Molnar
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).