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powerpc/eeh: Fix build with STACKTRACE=n

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The build breaks when STACKTRACE=n, eg. skiroot_defconfig:

  arch/powerpc/kernel/eeh_event.c:124:23: error: implicit declaration of function 'stack_trace_save'

Fix it with some ifdefs for now.

Fixes: 25baf3d816 ("powerpc/eeh: Defer printing stack trace")
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Michael Ellerman
2019-09-13 23:32:13 +10:00
parent 6ccb4ac2bf
commit 1b7f3b6c43
3 changed files with 6 additions and 1 deletions
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3
arch/powerpc/kernel/eeh_driver.c
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@@ -908,6 +908,7 @@ void eeh_handle_normal_event(struct eeh_pe *pe)
eeh_pe_loc_get(pe), eeh_pe_loc_get(phb_pe));
}
#ifdef CONFIG_STACKTRACE
/*
* Print the saved stack trace now that we've verified there's
* something to recover.
@@ -926,7 +927,7 @@ void eeh_handle_normal_event(struct eeh_pe *pe)
pe->trace_entries = 0;
}
#endif /* CONFIG_STACKTRACE */
eeh_pe_update_time_stamp(pe);
pe->freeze_count++;