On Mon, 15 Jan 2018 11:07:27 -0800 Randy Dunlap <[email protected]> wrote:
> From: Randy Dunlap <[email protected]> > > I regularly get 50 MB - 60 MB files during kernel randconfig builds. > These large files mostly contain (many repeats of; e.g., 124,594): > > In file included from ../include/linux/string.h:6:0, > from ../include/linux/uuid.h:20, > from ../include/linux/mod_devicetable.h:13, > from ../scripts/mod/devicetable-offsets.c:3: > ../include/linux/compiler.h:64:4: warning: '______f' is static but declared > in inline function 'strcpy' which is not static [enabled by default] > ______f = { \ > ^ > ../include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if' > ^ > ../include/linux/string.h:425:2: note: in expansion of macro 'if' > if (p_size == (size_t)-1 && q_size == (size_t)-1) > ^ > > This only happens when CONFIG_FORTIFY_SOURCE=y and > CONFIG_PROFILE_ALL_BRANCHES=y, so prevent PROFILE_ALL_BRANCHES if > FORTIFY_SOURCE=y. > > Signed-off-by: Randy Dunlap <[email protected]> > Acked-by: Steven Rostedt (VMware) <[email protected]> I'm actually working on a patch that I need to send to Linus before 4.15 is released. Want me to add this one too? Or do you have your own branch to push to mainline with? -- Steve > --- > kernel/trace/Kconfig | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > --- orig/kernel/trace/Kconfig > +++ next/kernel/trace/Kconfig > @@ -355,7 +355,7 @@ config PROFILE_ANNOTATED_BRANCHES > on if you need to profile the system's use of these macros. > > config PROFILE_ALL_BRANCHES > - bool "Profile all if conditionals" > + bool "Profile all if conditionals" if !FORTIFY_SOURCE > select TRACE_BRANCH_PROFILING > help > This tracer profiles all branch conditions. Every if ()
