On Thu, Mar 25, 2021 at 3:50 AM Jisheng Zhang <jisheng.zh...@synaptics.com> wrote: > > On Wed, 24 Mar 2021 10:53:13 -0400 > Steven Rostedt <rost...@goodmis.org> wrote: > > > > > > On Wed, 24 Mar 2021 07:48:53 -0700 > > Guenter Roeck <li...@roeck-us.net> wrote: > > > > > On Wed, Mar 24, 2021 at 07:34:07AM -0700, Guenter Roeck wrote: > > > > On Wed, Feb 10, 2021 at 02:44:09PM +0800, Jisheng Zhang wrote: > > > > > Add tracepoints to retrieve information about the invoke_fn. This > > > > > would > > > > > help to measure how many invoke_fn are triggered and how long it takes > > > > > to complete one invoke_fn call. > > > > > > > > > > Signed-off-by: Jisheng Zhang <jisheng.zh...@synaptics.com> > > > > > > > > arm64:defconfig: > > > > > > > > make-arm64 -j drivers/tee/optee/call.o > > > > CALL scripts/atomic/check-atomics.sh > > > > CALL scripts/checksyscalls.sh > > > > CC drivers/tee/optee/call.o > > > > In file included from drivers/tee/optee/optee_trace.h:67, > > > > from drivers/tee/optee/call.c:18: > > > > ./include/trace/define_trace.h:95:42: fatal error: ./optee_trace.h: No > > > > such file or directory > > > > 95 | #include TRACE_INCLUDE(TRACE_INCLUDE_FILE) > > > > | ^ > > > > compilation terminated. > > Interesting, I always build linux kernel with "O=", didn't see such build > error > and IIRC, we didn't receive any lkp robot build error report. > > My steps are: > > mkdir /tmp/test > > make ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- O=/tmp/test defconfig > > make ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- O=/tmp/test > drivers/tee/optee/ > > Today, I tried to build the linux kernel w/o "O=...", I reproduced this error! > This is the first time I saw "O=" make a different behavior.
I'm also compiling with O=... and couldn't understand what was going on. Thanks for saving me from digging any deeper. > > I'll send out a patch to fix it. Thanks, Jens