x86: smpboot - check if we have ESR register in wakeup_secondary_cpu

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We should check if we have ESR register before reading from it.

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Cc: Yinghai Lu <yhlu.kernel@gmail.com>
Cc: "Maciej W. Rozycki" <macro@linux-mips.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

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Cyrill Gorcunov 2008-09-14 21:58:49 +04:00 • committed by Ingo Molnar

parent 33f8c40a30

commit 59ef48a58e

1 changed files with 6 additions and 4 deletions

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arch/x86/kernel/smpboot.c

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