Christophe Leroy wrote:

Le 21/03/2022 à 09:19, Naveen N. Rao a écrit :

quoted

Christophe Leroy wrote:

We don't enable ftrace for vdso, so I suspect objtool run above will be 
a no-op. This needs to be confirmed, of course.

I just checked without the series: recordmcount isn't run for VDSO, so 
objtool shouldn't be run either when the series is applied.

Agree. I was only pointing out that it would be harmless, but it is good 
to ensure objtool is skipped for files/directories where ftrace isn't 
enabled. recordmcount keys off the presence of CC_FLAGS_FTRACE, and we 
should do the same for 'objtool --mcount'.


- Naveen