1:17 a.m.
Hi Daniel,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 94f0b2d4a1d0c52035aef425da5e022bd2cb1c71
commit: f90cf6079bf67988f8b1ad1ade70fc89d0080905 media: vidtv: add a bridge driver
date: 9 months ago
config: powerpc64-randconfig-r026-20210615 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project
64720f57bea6a6bf033feef4a5751ab9c0c3b401)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O
~/bin/make.cross
chmod +x ~/bin/make.cross
# install powerpc64 cross compiling tool for clang build
# apt-get install binutils-powerpc64-linux-gnu
#
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit...
git remote add linus
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout f90cf6079bf67988f8b1ad1ade70fc89d0080905
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All warnings (new ones prefixed by >>):
In file included from drivers/media/test-drivers/vidtv/vidtv_mux.c:18:
In file included from include/linux/slab.h:15:
In file included from include/linux/gfp.h:5:
In file included from include/linux/mmdebug.h:5:
In file included from include/linux/bug.h:5:
In file included from arch/powerpc/include/asm/bug.h:109:
In file included from include/asm-generic/bug.h:20:
In file included from include/linux/kernel.h:12:
In file included from include/linux/bitops.h:29:
In file included from arch/powerpc/include/asm/bitops.h:62:
arch/powerpc/include/asm/barrier.h:49:9: warning: '__lwsync' macro redefined
[-Wmacro-redefined]
#define __lwsync() __asm__ __volatile__ (stringify_in_c(LWSYNC) : :
:"memory")
^
<built-in>:309:9: note: previous definition is here
#define __lwsync __builtin_ppc_lwsync
^
> drivers/media/test-drivers/vidtv/vidtv_mux.c:379:13: warning:
stack frame size of 3120 bytes in function 'vidtv_mux_tick' [-Wframe-larger-than=]
static void vidtv_mux_tick(struct work_struct *work)
^
2 warnings generated.
vim +/vidtv_mux_tick +379 drivers/media/test-drivers/vidtv/vidtv_mux.c
378
379 static void vidtv_mux_tick(struct work_struct *work)
380 {
381 struct vidtv_mux *m = container_of(work,
382 struct vidtv_mux,
383 mpeg_thread);
384 u32 nbytes;
385 u32 npkts;
386
387 while (m->streaming) {
388 nbytes = 0;
389
390 vidtv_mux_update_clk(m);
391
392 if (vidtv_mux_should_push_pcr(m))
393 nbytes += vidtv_mux_push_pcr(m);
394
395 if (vidtv_mux_should_push_si(m))
396 nbytes += vidtv_mux_push_si(m);
397
398 nbytes += vidtv_mux_poll_encoders(m);
399 nbytes += vidtv_mux_check_mux_rate(m);
400
401 npkts = nbytes / TS_PACKET_LEN;
402
403 /* if the buffer is not aligned there is a bug somewhere */
404 if (nbytes % TS_PACKET_LEN)
405 pr_err_ratelimited("Misaligned buffer\n");
406
407 if (m->on_new_packets_available_cb)
408 m->on_new_packets_available_cb(m->priv,
409 m->mux_buf,
410 npkts);
411
412 vidtv_mux_clear(m);
413
414 usleep_range(VIDTV_SLEEP_USECS, VIDTV_MAX_SLEEP_USECS);
415 }
416 }
417
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org