* safe_smp_processor_id i386 and x86_64
@ 2006-10-06 16:32 Aneesh Kumar K.V
2006-10-11 16:58 ` Eric W. Biederman
0 siblings, 1 reply; 2+ messages in thread
From: Aneesh Kumar K.V @ 2006-10-06 16:32 UTC (permalink / raw)
To: linux-kernel
I was looking at the git log and the below changes confused me.
dc2bc768a009b9ad8711894c544dc6b0d8c0ce57
commit dc2bc768a009b9ad8711894c544dc6b0d8c0ce57
Author: Fernando Vazquez <fernando@intellilink.co.jp>
Date: Sat Sep 30 23:29:07 2006 -0700
[PATCH] stack overflow safe kdump: safe_smp_processor_id()
..............
This patch set does the following:
* Add safe_smp_processor_id function to i386 architecture (this function was
inspired by the x86_64 function of the same name).
151f8cc1169f9052095b2be36183ab132d75c6c2
commit 151f8cc1169f9052095b2be36183ab132d75c6c2
Author: Andi Kleen <ak@suse.de>
Date: Tue Sep 26 10:52:37 2006 +0200
[PATCH] Remove safe_smp_processor_id()
-aneesh
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: safe_smp_processor_id i386 and x86_64
2006-10-06 16:32 safe_smp_processor_id i386 and x86_64 Aneesh Kumar K.V
@ 2006-10-11 16:58 ` Eric W. Biederman
0 siblings, 0 replies; 2+ messages in thread
From: Eric W. Biederman @ 2006-10-11 16:58 UTC (permalink / raw)
To: Aneesh Kumar K.V; +Cc: linux-kernel
"Aneesh Kumar K.V" <aneesh.kumar@gmail.com> writes:
> I was looking at the git log and the below changes confused me.
They are being used to solve different problems.
smp_processor_id on i386 doesn't work when a stack overflow
occurs. safe_smp_processor_id does.
On x86_64 since it is a simple register value we don't have that problem.
Eric
^ permalink raw reply [flat|nested] 2+ messages in thread
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