# git rev-parse -q --verify 478cb53ce5e2d5fd96c2da42d0f9d2b53620881a^{commit} 478cb53ce5e2d5fd96c2da42d0f9d2b53620881a already have revision, skipping fetch # git checkout -q -f -B kisskb 478cb53ce5e2d5fd96c2da42d0f9d2b53620881a # git clean -qxdf # < git log -1 # commit 478cb53ce5e2d5fd96c2da42d0f9d2b53620881a # Author: Nicholas Piggin # Date: Wed Nov 10 12:50:56 2021 +1000 # # powerpc/watchdog: read TB close to where it is used # # When taking watchdog actions, printing messages, comparing and # re-setting wd_smp_last_reset_tb, etc., read TB close to the point of use # and under wd_smp_lock or printing lock (if applicable). # # This should keep timebase mostly monotonic with kernel log messages, and # could prevent (in theory) a laggy CPU updating wd_smp_last_reset_tb to # something a long way in the past, and causing other CPUs to appear to be # stuck. # # These additional TB reads are all slowpath (lockup has been detected), # so performance does not matter. # # Signed-off-by: Nicholas Piggin # Reviewed-by: Laurent Dufour # Signed-off-by: Michael Ellerman # Link: https://lore.kernel.org/r/20211110025056.2084347-5-npiggin@gmail.com # < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-ld --version # < git log --format=%s --max-count=1 478cb53ce5e2d5fd96c2da42d0f9d2b53620881a # < make -s -j 32 ARCH=powerpc O=/kisskb/build/powerpc-next_ppc6xx_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- ppc6xx_defconfig # < make -s -j 32 ARCH=powerpc O=/kisskb/build/powerpc-next_ppc6xx_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- help # make -s -j 32 ARCH=powerpc O=/kisskb/build/powerpc-next_ppc6xx_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- olddefconfig # make -s -j 32 ARCH=powerpc O=/kisskb/build/powerpc-next_ppc6xx_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- :1559:2: warning: #warning syscall futex_waitv not implemented [-Wcpp] /kisskb/src/arch/powerpc/platforms/83xx/mcu_mpc8349emitx.c: In function 'mcu_remove': /kisskb/src/arch/powerpc/platforms/83xx/mcu_mpc8349emitx.c:189:6: error: unused variable 'ret' [-Werror=unused-variable] int ret; ^ cc1: all warnings being treated as errors make[4]: *** [/kisskb/src/scripts/Makefile.build:287: arch/powerpc/platforms/83xx/mcu_mpc8349emitx.o] Error 1 make[4]: *** Waiting for unfinished jobs.... make[3]: *** [/kisskb/src/scripts/Makefile.build:549: arch/powerpc/platforms/83xx] Error 2 make[3]: *** Waiting for unfinished jobs.... make[2]: *** [/kisskb/src/scripts/Makefile.build:549: arch/powerpc/platforms] Error 2 make[2]: *** Waiting for unfinished jobs.... make[1]: *** [/kisskb/src/Makefile:1846: arch/powerpc] Error 2 make[1]: *** Waiting for unfinished jobs.... make: *** [Makefile:219: __sub-make] Error 2 Command 'make -s -j 32 ARCH=powerpc O=/kisskb/build/powerpc-next_ppc6xx_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- ' returned non-zero exit status 2 # rm -rf /kisskb/build/powerpc-next_ppc6xx_defconfig_powerpc-gcc5 # Build took: 0:03:47.950123