x86/debug: Only print out DR registers if they are not power-on defaults

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The DR registers are rarely useful when decoding oopses.
With screen real estate during oopses at a premium, we can save
two lines by only printing out these registers when they are set
to something other than they power-on state.

Signed-off-by: Dave Jones <davej@redhat.com>
Acked-by: Borislav Petkov <bp@suse.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20130618160911.GA24487@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>

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Dave Jones 2013-06-18 12:09:11 -04:00 • committed by Ingo Molnar

parent 17858ca65e

commit 4338774cd4

2 changed files with 16 additions and 4 deletions

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11

arch/x86/kernel/process_32.c

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9

arch/x86/kernel/process_64.c

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