# git rev-parse -q --verify 7a9f8064b8cbaa367b4520e839fd6d61be8eaeb3^{commit} 7a9f8064b8cbaa367b4520e839fd6d61be8eaeb3 already have revision, skipping fetch # git checkout -q -f -B kisskb 7a9f8064b8cbaa367b4520e839fd6d61be8eaeb3 # git clean -qxdf # < git log -1 # commit 7a9f8064b8cbaa367b4520e839fd6d61be8eaeb3 # Author: Michael Ellerman # Date: Sun Oct 13 21:23:51 2019 +1100 # # powerpc/pseries: Mark accumulate_stolen_time() as notrace # # accumulate_stolen_time() is called prior to interrupt state being # reconciled, which can trip the warning in arch_local_irq_restore(): # # WARNING: CPU: 5 PID: 1017 at arch/powerpc/kernel/irq.c:258 .arch_local_irq_restore+0x9c/0x130 # ... # NIP .arch_local_irq_restore+0x9c/0x130 # LR .rb_start_commit+0x38/0x80 # Call Trace: # .ring_buffer_lock_reserve+0xe4/0x620 # .trace_function+0x44/0x210 # .function_trace_call+0x148/0x170 # .ftrace_ops_no_ops+0x180/0x1d0 # ftrace_call+0x4/0x8 # .accumulate_stolen_time+0x1c/0xb0 # decrementer_common+0x124/0x160 # # For now just mark it as notrace. We may change the ordering to call it # after interrupt state has been reconciled, but that is a larger # change. # # Signed-off-by: Michael Ellerman # < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-gcc --version # < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-ld --version # < git log --format=%s --max-count=1 7a9f8064b8cbaa367b4520e839fd6d61be8eaeb3 # < make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-next-rand_powerpc-randconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- randconfig KCONFIG_SEED=0x91A63820 # Added to kconfig CONFIG_STANDALONE=y # Added to kconfig CONFIG_BUILD_DOCSRC=n # Added to kconfig CONFIG_MODULE_SIG=n # Added to kconfig CONFIG_CPU_BIG_ENDIAN=y # Added to kconfig CONFIG_PPC64=y # Added to kconfig CONFIG_PPC_DISABLE_WERROR=y # Added to kconfig CONFIG_SECTION_MISMATCH_WARN_ONLY=y # Added to kconfig CONFIG_PREVENT_FIRMWARE_BUILD=y # Added to kconfig CONFIG_CC_STACKPROTECTOR_STRONG=n # Added to kconfig CONFIG_GCC_PLUGINS=n # Added to kconfig CONFIG_LD_HEAD_STUB_CATCH=y # Added to kconfig CONFIG_TRIM_UNUSED_KSYMS=n # Added to kconfig CONFIG_UBSAN=n # yes \n | make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-next-rand_powerpc-randconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- oldconfig yes: standard output: Broken pipe # make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-next-rand_powerpc-randconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- /kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl': /kisskb/src/kernel/printk/printk.c:204:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/base/regmap/regmap.c: In function 'regmap_raw_read': /kisskb/src/drivers/base/regmap/regmap.c:2591:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/base/regmap/regmap.c: In function '_regmap_raw_write': /kisskb/src/drivers/base/regmap/regmap.c:1852:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/block/blk-merge.c: In function 'blk_rq_map_sg': /kisskb/src/block/blk.h:78:50: warning: 'bvprv.bv_offset' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/block/blk-merge.c:466:42: note: 'bvprv.bv_offset' was declared here /kisskb/src/block/blk.h:81:12: warning: 'bvprv.bv_len' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/block/blk-merge.c:466:42: note: 'bvprv.bv_len' was declared here /kisskb/src/arch/powerpc/include/asm/io.h:802:22: warning: 'bvprv.bv_page' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/block/blk-merge.c:466:42: note: 'bvprv.bv_page' was declared here /kisskb/src/fs/proc/inode.c: In function 'proc_reg_open': /kisskb/src/include/linux/list.h:65:12: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/proc/inode.c:338:21: note: 'pdeo' was declared here /kisskb/src/mm/memory.c:86:2: warning: #warning Unfortunate NUMA and NUMA Balancing config, growing page-frame for last_cpupid. [-Wcpp] /kisskb/src/fs/udf/unicode.c: In function 'udf_name_conv_char': /kisskb/src/fs/udf/unicode.c:132:8: warning: 'c' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/mm/memory.c:86:2: warning: #warning Unfortunate NUMA and NUMA Balancing config, growing page-frame for last_cpupid. [-Wcpp] /kisskb/src/sound/soc/soc-pcm.c: In function 'soc_pcm_trigger': /kisskb/src/sound/soc/soc-pcm.c:1074:5: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/sound/soc/soc-pcm.c: In function 'soc_pcm_bespoke_trigger': /kisskb/src/sound/soc/soc-pcm.c:1092:9: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/media/i2c/tvp7002.c: In function 'tvp7002_query_dv': /kisskb/src/drivers/media/i2c/tvp7002.c:638:37: warning: 'cpl_msb' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/sound/soc/codecs/wm8960.c: In function 'wm8960_configure_clocking': /kisskb/src/sound/soc/codecs/wm8960.c:800:70: warning: 'j' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/sound/soc/codecs/wm8960.c:797:68: warning: 'i' may be used uninitialized in this function [-Wuninitialized] Completed OK # rm -rf /kisskb/build/powerpc-next-rand_powerpc-randconfig_powerpc-gcc4.6 # Build took: 0:01:49.863081