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| author | Christoph Hellwig <hch@lst.de> | 2007-05-08 00:23:29 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-08 11:14:58 -0700 |
| commit | ab1b6f03a10ba1f5638188ab06bf46e33ac3a160 (patch) | |
| tree | 2dc7ce01df5d51d81e250dd9cee1b7b04627466e /arch/x86_64 | |
| parent | 7e4c3690b07f04b1942c39db358a5c8a72831daa (diff) | |
| download | linux-ab1b6f03a10ba1f5638188ab06bf46e33ac3a160.tar.gz | |
simplify the stacktrace code
Simplify the stacktrace code: - remove the unused task argument to save_stack_trace, it's always current - remove the all_contexts flag, it's alwasy 0 Signed-off-by: Christoph Hellwig <hch@lst.de> Cc: Paul Mundt <lethal@linux-sh.org> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Andi Kleen <ak@suse.de> Cc: Akinobu Mita <akinobu.mita@gmail.com> Acked-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/x86_64')
| -rw-r--r-- | arch/x86_64/kernel/stacktrace.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/arch/x86_64/kernel/stacktrace.c b/arch/x86_64/kernel/stacktrace.c index 65ac2c6b34a6..cb9109113584 100644 --- a/arch/x86_64/kernel/stacktrace.c +++ b/arch/x86_64/kernel/stacktrace.c @@ -21,8 +21,7 @@ save_stack_warning_symbol(void *data, char *msg, unsigned long symbol) static int save_stack_stack(void *data, char *name) { - struct stack_trace *trace = (struct stack_trace *)data; - return trace->all_contexts ? 0 : -1; + return -1; } static void save_stack_address(void *data, unsigned long addr) @@ -46,11 +45,10 @@ static struct stacktrace_ops save_stack_ops = { /* * Save stack-backtrace addresses into a stack_trace buffer. */ -void save_stack_trace(struct stack_trace *trace, struct task_struct *task) +void save_stack_trace(struct stack_trace *trace) { - dump_trace(task, NULL, NULL, &save_stack_ops, trace); + dump_trace(current, NULL, NULL, &save_stack_ops, trace); if (trace->nr_entries < trace->max_entries) trace->entries[trace->nr_entries++] = ULONG_MAX; } EXPORT_SYMBOL(save_stack_trace); - |