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| author | Michael Ellerman <mpe@ellerman.id.au> | 2019-09-13 16:32:13 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2019-09-13 17:01:14 +0300 |
| commit | 1b7f3b6c43675ef2cfb9d8f48bde057794820f7c (patch) | |
| tree | 22419164eb728b9e36f25ec300a7e641fcc57b78 /arch/powerpc | |
| parent | 6ccb4ac2bf8a35c694ead92f8ac5530a16e8f2c8 (diff) | |
| download | linux-1b7f3b6c43675ef2cfb9d8f48bde057794820f7c.tar.xz | |
powerpc/eeh: Fix build with STACKTRACE=n
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: 25baf3d81614 ("powerpc/eeh: Defer printing stack trace")
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/include/asm/eeh.h | 2 | ||||
| -rw-r--r-- | arch/powerpc/kernel/eeh_driver.c | 3 | ||||
| -rw-r--r-- | arch/powerpc/kernel/eeh_event.c | 2 |
3 files changed, 6 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/eeh.h b/arch/powerpc/include/asm/eeh.h index 9d0e1694a94d..6f9b2a12540a 100644 --- a/arch/powerpc/include/asm/eeh.h +++ b/arch/powerpc/include/asm/eeh.h @@ -89,6 +89,7 @@ struct eeh_pe { struct list_head child; /* Memb. child_list/eeh_phb_pe */ struct list_head edevs; /* List of eeh_dev in this PE */ +#ifdef CONFIG_STACKTRACE /* * Saved stack trace. When we find a PE freeze in eeh_dev_check_failure * the stack trace is saved here so we can print it in the recovery @@ -99,6 +100,7 @@ struct eeh_pe { */ unsigned long stack_trace[64]; int trace_entries; +#endif /* CONFIG_STACKTRACE */ }; #define eeh_pe_for_each_dev(pe, edev, tmp) \ diff --git a/arch/powerpc/kernel/eeh_driver.c b/arch/powerpc/kernel/eeh_driver.c index 80bd157fcb45..d9279d0ee9f5 100644 --- a/arch/powerpc/kernel/eeh_driver.c +++ b/arch/powerpc/kernel/eeh_driver.c @@ -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++; diff --git a/arch/powerpc/kernel/eeh_event.c b/arch/powerpc/kernel/eeh_event.c index 1d55486adb0f..a7a8dc182efb 100644 --- a/arch/powerpc/kernel/eeh_event.c +++ b/arch/powerpc/kernel/eeh_event.c @@ -117,12 +117,14 @@ int __eeh_send_failure_event(struct eeh_pe *pe) * while the PE is sitting in the event queue. */ if (pe) { +#ifdef CONFIG_STACKTRACE /* * Save the current stack trace so we can dump it from the * event handler thread. */ pe->trace_entries = stack_trace_save(pe->stack_trace, ARRAY_SIZE(pe->stack_trace), 0); +#endif /* CONFIG_STACKTRACE */ eeh_pe_state_mark(pe, EEH_PE_RECOVERING); } |