tracing: Have stack tracer compile when MCOUNT_INSN_SIZE is not defined

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On some archs with some configurations, MCOUNT_INSN_SIZE is not defined, and
this makes the stack tracer fail to compile. Just define it to zero in this
case.

Link: https://lore.kernel.org/r/202001020219.zvE3vsty%lkp@intel.com

Cc: stable@vger.kernel.org
Fixes: 4df297129f ("tracing: Remove most or all of stack tracer stack size from stack_max_size")
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>

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Steven Rostedt (VMware) 2020-01-02 22:02:41 -05:00

parent d2ccbccb54

commit b8299d362d

1 changed files with 5 additions and 0 deletions

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kernel/trace/trace_stack.c

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