diff options
| author | Peter Zijlstra <peterz@infradead.org> | 2020-08-06 15:14:09 -0700 |
|---|---|---|
| committer | Kees Cook <keescook@chromium.org> | 2021-02-23 12:46:56 -0800 |
| commit | 99d0021569c71c325f41a7dd0a08a380010ce95c (patch) | |
| tree | 95d3a5bbeb4923e1aa67c06f30115882ecc8ed3b /virt | |
| parent | 2b8689520520175075ca97bc4eaf51ff3f7253aa (diff) | |
| download | linux-99d0021569c71c325f41a7dd0a08a380010ce95c.tar.bz2 | |
objtool: Add a pass for generating __mcount_loc
Add the --mcount option for generating __mcount_loc sections
needed for dynamic ftrace. Using this pass requires the kernel to
be compiled with -mfentry and CC_USING_NOP_MCOUNT to be defined
in Makefile.
Link: https://lore.kernel.org/lkml/20200625200235.GQ4781@hirez.programming.kicks-ass.net/
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
[Sami: rebased, dropped config changes, fixed to actually use --mcount,
and wrote a commit message.]
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Diffstat (limited to 'virt')
0 files changed, 0 insertions, 0 deletions