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| author | 2017-05-18 09:24:30 -0400 | |
|---|---|---|
| committer | 2017-05-18 09:24:30 -0400 | |
| commit | 6b7781b42dc9bc9bcd1523b6c24b876cdda0bef3 (patch) | |
| tree | ee55c67e4ea30b9eb44f301ba0bde2e631a26162 /arch/avr32/kernel/stacktrace.c | |
| parent | drm/sti:fix spelling mistake: "compoment" -> "component" (diff) | |
| parent | Merge tag 'drm-misc-next-2017-05-16' of git://anongit.freedesktop.org/git/drm-misc into drm-next (diff) | |
| download | linux-dev-6b7781b42dc9bc9bcd1523b6c24b876cdda0bef3.tar.xz linux-dev-6b7781b42dc9bc9bcd1523b6c24b876cdda0bef3.zip | |
Merge remote-tracking branch 'airlied/drm-next' into drm-misc-next
Picking up drm-next @ 4.12-rc1 in order to apply Michal Hocko's vmalloc patch set
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Diffstat (limited to 'arch/avr32/kernel/stacktrace.c')
| -rw-r--r-- | arch/avr32/kernel/stacktrace.c | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/arch/avr32/kernel/stacktrace.c b/arch/avr32/kernel/stacktrace.c deleted file mode 100644 index f8cc995cf0e0..000000000000 --- a/arch/avr32/kernel/stacktrace.c +++ /dev/null @@ -1,56 +0,0 @@ -/* - * Stack trace management functions - * - * Copyright (C) 2007 Atmel Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/sched.h> -#include <linux/sched/task_stack.h> -#include <linux/stacktrace.h> -#include <linux/thread_info.h> -#include <linux/module.h> - -register unsigned long current_frame_pointer asm("r7"); - -struct stackframe { - unsigned long lr; - unsigned long fp; -}; - -/* - * Save stack-backtrace addresses into a stack_trace buffer. - */ -void save_stack_trace(struct stack_trace *trace) -{ - unsigned long low, high; - unsigned long fp; - struct stackframe *frame; - int skip = trace->skip; - - low = (unsigned long)task_stack_page(current); - high = low + THREAD_SIZE; - fp = current_frame_pointer; - - while (fp >= low && fp <= (high - 8)) { - frame = (struct stackframe *)fp; - - if (skip) { - skip--; - } else { - trace->entries[trace->nr_entries++] = frame->lr; - if (trace->nr_entries >= trace->max_entries) - break; - } - - /* - * The next frame must be at a higher address than the - * current frame. - */ - low = fp + 8; - fp = frame->fp; - } -} -EXPORT_SYMBOL_GPL(save_stack_trace); |
