|author||Steven Rostedt <email@example.com>||2011-04-12 18:59:10 -0400|
|committer||Steven Rostedt <firstname.lastname@example.org>||2011-05-16 14:45:03 -0400|
kbuild/recordmcount: Add RECORDMCOUNT_WARN to warn about mcount callers
When mcount is called in a section that ftrace will not modify it into a nop, we want to warn about this. But not warn about this always. Now if the user builds the kernel with the option RECORDMCOUNT_WARN=1 then the build will warn about mcount callers that are ignored and will just waste execution time. Acked-by: Michal Marek <email@example.com> Cc: firstname.lastname@example.org Link: http://email@example.com Signed-off-by: Steven Rostedt <firstname.lastname@example.org>
Diffstat (limited to 'Makefile')
1 files changed, 1 insertions, 0 deletions
@@ -1268,6 +1268,7 @@ help:
@echo ' make C=1 [targets] Check all c source with $$CHECK (sparse by default)'
@echo ' make C=2 [targets] Force check of all c source with $$CHECK'
@echo ' make W=1 [targets] Enable extra gcc checks'
+ @echo ' make RECORDMCOUNT_WARN=1 [targets] Warn about ignored mcount sections'
@echo 'Execute "make" or "make all" to build all targets marked with [*] '
@echo 'For further info see the ./README file'