commit | fe58acefd5a66d33a8fb94da53c3af4374b6d376 | [log] [tgz] |
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author | Steven Rostedt (VMware) <rostedt@goodmis.org> | Wed Apr 22 12:25:42 2020 -0400 |
committer | Steven Rostedt (VMware) <rostedt@goodmis.org> | Mon Jun 29 11:42:48 2020 -0400 |
tree | e00f659bf2156c567425f165d847357dda3c1442 | |
parent | 5da7cd11d0811c35a6988d416053b5421bc61521 [diff] |
x86/ftrace: Do not jump to direct code in created trampolines When creating a trampoline based on the ftrace_regs_caller code, nop out the jnz test that would jmup to the code that would return to a direct caller (stored in the ORIG_RAX field) and not back to the function that called it. Link: http://lkml.kernel.org/r/20200422162750.638839749@goodmis.org Cc: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>