On Wed, Feb 24, 2021 at 12:38:54PM -0800, Kees Cook wrote: > On Wed, Feb 24, 2021 at 12:17:23PM -0800, Guenter Roeck wrote: > > On Fri, Dec 11, 2020 at 10:46:18AM -0800, Sami Tolvanen wrote: > > > Move function tracer options to Kconfig to make it easier to add > > > new methods for generating __mcount_loc, and to make the options > > > available also when building kernel modules. > > > > > > Note that FTRACE_MCOUNT_USE_* options are updated on rebuild and > > > therefore, work even if the .config was generated in a different > > > environment. > > > > > > Signed-off-by: Sami Tolvanen <samitolvanen@xxxxxxxxxx> > > > Acked-by: Steven Rostedt (VMware) <rostedt@xxxxxxxxxxx> > > > > With this patch in place, parisc:allmodconfig no longer builds. > > > > Error log: > > Arch parisc is not supported with CONFIG_FTRACE_MCOUNT_RECORD at scripts/recordmcount.pl line 405. > > make[2]: *** [scripts/mod/empty.o] Error 2 > > > > Due to this problem, CONFIG_FTRACE_MCOUNT_RECORD can no longer be > > enabled in parisc builds. Since that is auto-selected by DYNAMIC_FTRACE, > > DYNAMIC_FTRACE can no longer be enabled, and with it everything that > > depends on it. > > Ew. Any idea why this didn't show up while it was in linux-next? > It did, I just wasn't able to bisect it there. Guenter
