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powerpc/kexec: Add ifdef CONFIG_PPC_STD_MMU_64 to PPC64 code

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powerpc/kexec: Add ifdef CONFIG_PPC_STD_MMU_64 to PPC64 code

This patch introduces PPC64 specific #ifdef bits from the upstream
commit: b3df895aeb.

Reported-and-tested-by: dann frazier <dannf@dannf.org>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>
cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
cc: Anton Blanchard <anton@samba.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Kamalesh Babulal
2011-04-06 18:31:45 +05:30
committed by Greg Kroah-Hartman
parent 6373cc665a
commit a55ee54f8f
1 changed files with 4 additions and 0 deletions
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4
arch/powerpc/kernel/crash.c
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@@ -163,6 +163,7 @@ static void crash_kexec_prepare_cpus(int cpu)
}
/* wait for all the CPUs to hit real mode but timeout if they don't come in */
#ifdef CONFIG_PPC_STD_MMU_64
static void crash_kexec_wait_realmode(int cpu)
{
unsigned int msecs;
@@ -187,6 +188,7 @@ static void crash_kexec_wait_realmode(int cpu)
}
mb();
}
#endif
/*
* This function will be called by secondary cpus or by kexec cpu
@@ -445,7 +447,9 @@ void default_machine_crash_shutdown(struct pt_regs *regs)
crash_kexec_prepare_cpus(crashing_cpu);
cpu_set(crashing_cpu, cpus_in_crash);
crash_kexec_stop_spus();
#ifdef CONFIG_PPC_STD_MMU_64
crash_kexec_wait_realmode(crashing_cpu);
#endif
if (ppc_md.kexec_cpu_down)
ppc_md.kexec_cpu_down(1, 0);
}