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authorJosh Poimboeuf <jpoimboe@redhat.com>2016-08-24 11:50:17 -0500
committerIngo Molnar <mingo@kernel.org>2016-09-08 08:58:40 +0200
commit4b8afafbe743be1a81c96ddcd75b19c534d5e262 (patch)
treeb54d1bae9c6aac036566ff9c6bb330812aad810a /arch/x86/oprofile
parentd438f5fda30ec087512355e405e9c8955d8bd337 (diff)
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x86/dumpstack: Add get_stack_pointer() and get_frame_pointer()
The various functions involved in dumping the stack all do similar things with regard to getting the stack pointer and the frame pointer based on the regs and task arguments. Create helper functions to do that instead. Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com> Reviewed-by: Andy Lutomirski <luto@kernel.org> Cc: Andy Lutomirski <luto@amacapital.net> Cc: Brian Gerst <brgerst@gmail.com> Cc: Byungchul Park <byungchul.park@lge.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Kees Cook <keescook@chromium.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Nilay Vaish <nilayvaish@gmail.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/f448914885a35f333fe04da1b97a6c2cc1f80974.1472057064.git.jpoimboe@redhat.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/oprofile')
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