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[PATCH] x86_64: print processor number in show_regs

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Up to date I've been using the GS value to determine the processor number
in dumps from show_regs, however this can be cumbersome to do if you don't
have the vmlinux to verify with the address of cpu_pda, how about the
following?  I considered using hard_smp_processor_id for robustness but we
already dereference current so we're already relying on MSR_GS_BASE being
sane.

Signed-off-by: Zwane Mwaikambo <zwane@arm.linux.org.uk>
Acked-by: Andi Kleen <ak@muc.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Zwane Mwaikambo 2005-09-06 15:16:16 -07:00 committed by Linus Torvalds
parent 54d5d42404
commit c078d3266e
1 changed files with 1 additions and 0 deletions
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arch/x86_64/kernel/process.c
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@ -310,6 +310,7 @@ void __show_regs(struct pt_regs * regs)
void show_regs(struct pt_regs *regs)
{
printk("CPU %d:", smp_processor_id());
__show_regs(regs);
show_trace(&regs->rsp);
}