# git rev-parse -q --verify 2e839bed5f405e0d184bb6041df48270e8846033^{commit} 2e839bed5f405e0d184bb6041df48270e8846033 already have revision, skipping fetch # git checkout -q -f -B kisskb 2e839bed5f405e0d184bb6041df48270e8846033 # git clean -qxdf # < git log -1 # commit 2e839bed5f405e0d184bb6041df48270e8846033 # 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 # Link: https://lore.kernel.org/r/20191024055932.27940-1-mpe@ellerman.id.au # < /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 2e839bed5f405e0d184bb6041df48270e8846033 # < make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-next_mpc85xx_smp_defconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- mpc85xx_smp_defconfig # make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-next_mpc85xx_smp_defconfig_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/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] /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/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/drivers/net/ethernet/freescale/fs_enet/mac-scc.c: In function 'allocate_bd': /kisskb/src/drivers/net/ethernet/freescale/fs_enet/mac-scc.c:139:6: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] /kisskb/src/mm/hugetlb.c: In function 'alloc_pool_huge_page': /kisskb/src/mm/hugetlb.c:1497:5: warning: 'page' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/tty/serial/8250/8250_core.c: In function 'univ8250_release_irq': /kisskb/src/drivers/tty/serial/8250/8250_core.c:248:18: warning: 'i' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/tty/serial/8250/8250_core.c:228:19: note: 'i' was declared here /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/drivers/usb/core/devio.c: In function 'async_completed': /kisskb/src/drivers/usb/core/devio.c:625:23: warning: 'errno' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/arch/powerpc/boot/dts/fsl/mpc8541cds.dts:330.3-21: Warning (pci_device_bus_num): /pci@e0008000/i8259@19000:bus-range: PCI bus number 1 out of range, expected (0 - 0) /kisskb/src/arch/powerpc/boot/dts/fsl/mpc8555cds.dts:330.3-21: Warning (pci_device_bus_num): /pci@e0008000/i8259@19000:bus-range: PCI bus number 1 out of range, expected (0 - 0) INFO: Uncompressed kernel (size 0xcd5810) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xd00000) INFO: Uncompressed kernel (size 0xcd5810) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xd00000) INFO: Uncompressed kernel (size 0xcd5810) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xd00000) INFO: Uncompressed kernel (size 0xcd5810) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xd00000) INFO: Uncompressed kernel (size 0xcd5810) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xd00000) INFO: Uncompressed kernel (size 0xcd5810) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xd00000) INFO: Uncompressed kernel (size 0xcd5810) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xd00000) INFO: Uncompressed kernel (size 0xcd5810) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xd00000) INFO: Uncompressed kernel (size 0xcd5810) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xd00000) INFO: Uncompressed kernel (size 0xcd5810) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xd00000) INFO: Uncompressed kernel (size 0xcd5810) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xd00000) INFO: Uncompressed kernel (size 0xcd5810) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xd00000) INFO: Uncompressed kernel (size 0xcd5810) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xd00000) INFO: Uncompressed kernel (size 0xcd5810) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xd00000) INFO: Uncompressed kernel (size 0xcd5810) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xd00000) INFO: Uncompressed kernel (size 0xcc5010) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xd00000) Image Name: Linux-5.4.0-rc2-g2e839bed5f40 Created: Thu Oct 24 20:43:23 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6180823 Bytes = 6035.96 KiB = 5.89 MiB Load Address: 00000000 Entry Point: 00000000 Image Name: Linux-5.4.0-rc2-g2e839bed5f40 Created: Thu Oct 24 20:43:23 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6211236 Bytes = 6065.66 KiB = 5.92 MiB Load Address: 00d00000 Entry Point: 00d002e8 Image Name: Linux-5.4.0-rc2-g2e839bed5f40 Created: Thu Oct 24 20:43:23 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6212112 Bytes = 6066.52 KiB = 5.92 MiB Load Address: 00d00000 Entry Point: 00d002a8 Image Name: Linux-5.4.0-rc2-g2e839bed5f40 Created: Thu Oct 24 20:43:23 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6211182 Bytes = 6065.61 KiB = 5.92 MiB Load Address: 00d00000 Entry Point: 00d002a8 Image Name: Linux-5.4.0-rc2-g2e839bed5f40 Created: Thu Oct 24 20:43:23 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6211601 Bytes = 6066.02 KiB = 5.92 MiB Load Address: 00d00000 Entry Point: 00d002a8 Image Name: Linux-5.4.0-rc2-g2e839bed5f40 Created: Thu Oct 24 20:43:23 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6211512 Bytes = 6065.93 KiB = 5.92 MiB Load Address: 00d00000 Entry Point: 00d002a8 Image Name: Linux-5.4.0-rc2-g2e839bed5f40 Created: Thu Oct 24 20:43:23 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6211235 Bytes = 6065.66 KiB = 5.92 MiB Load Address: 00d00000 Entry Point: 00d002a8 Image Name: Linux-5.4.0-rc2-g2e839bed5f40 Created: Thu Oct 24 20:43:23 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6211679 Bytes = 6066.09 KiB = 5.92 MiB Load Address: 00d00000 Entry Point: 00d002a8 Image Name: Linux-5.4.0-rc2-g2e839bed5f40 Created: Thu Oct 24 20:43:23 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6211323 Bytes = 6065.75 KiB = 5.92 MiB Load Address: 00d00000 Entry Point: 00d002a8 Image Name: Linux-5.4.0-rc2-g2e839bed5f40 Created: Thu Oct 24 20:43:23 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6212087 Bytes = 6066.49 KiB = 5.92 MiB Load Address: 00d00000 Entry Point: 00d002a8 Image Name: Linux-5.4.0-rc2-g2e839bed5f40 Created: Thu Oct 24 20:43:23 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6211329 Bytes = 6065.75 KiB = 5.92 MiB Load Address: 00d00000 Entry Point: 00d002a8 Image Name: Linux-5.4.0-rc2-g2e839bed5f40 Created: Thu Oct 24 20:43:23 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6211340 Bytes = 6065.76 KiB = 5.92 MiB Load Address: 00d00000 Entry Point: 00d002e8 Image Name: Linux-5.4.0-rc2-g2e839bed5f40 Created: Thu Oct 24 20:43:23 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6211197 Bytes = 6065.62 KiB = 5.92 MiB Load Address: 00d00000 Entry Point: 00d002e8 Image Name: Linux-5.4.0-rc2-g2e839bed5f40 Created: Thu Oct 24 20:43:23 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6211196 Bytes = 6065.62 KiB = 5.92 MiB Load Address: 00d00000 Entry Point: 00d002e8 Image Name: Linux-5.4.0-rc2-g2e839bed5f40 Created: Thu Oct 24 20:43:23 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6211376 Bytes = 6065.80 KiB = 5.92 MiB Load Address: 00d00000 Entry Point: 00d002e8 Image Name: Linux-5.4.0-rc2-g2e839bed5f40 Created: Thu Oct 24 20:43:23 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6211857 Bytes = 6066.27 KiB = 5.92 MiB Load Address: 00d00000 Entry Point: 00d002a8 Completed OK # rm -rf /kisskb/build/powerpc-next_mpc85xx_smp_defconfig_powerpc-gcc4.6 # Build took: 0:01:10.907673