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| author |   Thomas Gleixner <tglx@linutronix.de> | 2020-05-19 15:50:34 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2020-05-19 15:50:34 +0200 |
| commit | 1ed0948eea079a4c802d08cdb2e8db1eee0860f1 (patch) | |
| tree | cf7d2861d1557a305b0c7786661b9e99c343d215 /include/linux/compiler_types.h | |
| parent | Merge branch 'for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu into core/rcu (diff) | |
| parent | vmlinux.lds.h: Create section for protection against instrumentation (diff) | |
Merge tag 'noinstr-lds-2020-05-19' into core/rcu
Get the noinstr section and annotation markers to base the RCU parts on.
Diffstat (limited to 'include/linux/compiler_types.h')
| -rw-r--r-- | include/linux/compiler_types.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/compiler_types.h b/include/linux/compiler_types.h index e970f97a7fcb..5da257cbebf1 100644 --- a/include/linux/compiler_types.h +++ b/include/linux/compiler_types.h @@ -118,6 +118,10 @@ struct ftrace_likely_data { #define notrace __attribute__((__no_instrument_function__)) #endif +/* Section for code which can't be instrumented at all */ +#define noinstr \ + noinline notrace __attribute((__section__(".noinstr.text"))) + /* * it doesn't make sense on ARM (currently the only user of __naked) * to trace naked functions because then mcount is called without |