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linux/kernel/events
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Anton Arapov e78aebfd27 uretprobes: Reserve the first slot in xol_vma for trampoline 
Allocate trampoline page, as the very first one in uprobed
task xol area, and fill it with breakpoint opcode.

Also introduce get_trampoline_vaddr() helper, to wrap the
trampoline address extraction from area->vaddr. That removes
confusion and eases the debug experience in case ->vaddr
notion will be changed.

Signed-off-by: Anton Arapov <anton@redhat.com>
Acked-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
History 2013-04-13 15:31:54 +02:00
..
callchain.c perf: Add attribute to filter out callchains 2012-08-10 12:40:57 -03:00
core.c perf: Add PERF_RECORD_MISC_MMAP_DATA to RECORD_MMAP 2013-04-01 12:19:02 -03:00
hw_breakpoint.c perf/hwbp: Fix cleanup in case of kzalloc failure 2013-02-14 17:06:39 -03:00
internal.h perf: Add ability to attach user stack dump to sample 2012-08-10 12:17:58 -03:00
Makefile uprobes: Move to kernel/events/ 2012-02-22 11:08:00 +01:00
ring_buffer.c perf: Add perf_output_skip function to skip bytes in sample 2012-08-10 12:16:22 -03:00
uprobes.c uretprobes: Reserve the first slot in xol_vma for trampoline 2013-04-13 15:31:54 +02:00