Messages in this thread | | | Date | Wed, 24 Feb 2021 12:38:54 -0800 | From | Kees Cook <> | Subject | Re: [PATCH v9 01/16] tracing: move function tracer options to Kconfig (causing parisc build failures) |
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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@google.com> > > Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org> > > 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?
-- Kees Cook
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