# git rev-parse -q --verify 91a063c956084fb21cf2523bce6892514e3f1799^{commit} 91a063c956084fb21cf2523bce6892514e3f1799 already have revision, skipping fetch # git checkout -q -f -B kisskb 91a063c956084fb21cf2523bce6892514e3f1799 # git clean -qxdf # < git log -1 # commit 91a063c956084fb21cf2523bce6892514e3f1799 # Author: Michael Ellerman # Date: Sat Dec 21 14:16:54 2019 +1100 # # powerpc/mm: Mark get_slice_psize() & slice_addr_is_low() as notrace # # These slice routines are called from the SLB miss handler, which can # lead to warnings from the IRQ code, because we have not reconciled the # IRQ state properly: # # WARNING: CPU: 72 PID: 30150 at arch/powerpc/kernel/irq.c:258 arch_local_irq_restore.part.0+0xcc/0x100 # Modules linked in: # CPU: 72 PID: 30150 Comm: ftracetest Not tainted 5.5.0-rc2-gcc9x-g7e0165b2f1a9 #1 # NIP: c00000000001d83c LR: c00000000029ab90 CTR: c00000000026cf90 # REGS: c0000007eee3b960 TRAP: 0700 Not tainted (5.5.0-rc2-gcc9x-g7e0165b2f1a9) # MSR: 8000000000021033 CR: 22242844 XER: 20000000 # CFAR: c00000000001d780 IRQMASK: 0 # ... # NIP arch_local_irq_restore.part.0+0xcc/0x100 # LR trace_graph_entry+0x270/0x340 # Call Trace: # trace_graph_entry+0x254/0x340 (unreliable) # function_graph_enter+0xe4/0x1a0 # prepare_ftrace_return+0xa0/0x130 # ftrace_graph_caller+0x44/0x94 # (get_slice_psize()) # slb_allocate_user+0x7c/0x100 # do_slb_fault+0xf8/0x300 # instruction_access_slb_common+0x140/0x180 # # Fixes: 48e7b7695745 ("powerpc/64s/hash: Convert SLB miss handlers to C") # Signed-off-by: Michael Ellerman # Link: https://lore.kernel.org/r/20191221121337.4894-1-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 91a063c956084fb21cf2523bce6892514e3f1799 # < make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-fixes_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 48 ARCH=powerpc O=/kisskb/build/powerpc-fixes_mpc85xx_smp_defconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- /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/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/fs/ext4/extents.c: In function 'ext4_convert_unwritten_io_end_vec': /kisskb/src/fs/ext4/extents.c:5054:23: 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/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/mm/hugetlb.c: In function 'alloc_pool_huge_page': /kisskb/src/mm/hugetlb.c:1377:5: warning: 'page' may be used uninitialized in this function [-Wuninitialized] /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/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/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/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 0xd2a6d4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xe00000) INFO: Uncompressed kernel (size 0xd2a6d4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xe00000) INFO: Uncompressed kernel (size 0xd2a6d4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xe00000) INFO: Uncompressed kernel (size 0xd2a6d4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xe00000) INFO: Uncompressed kernel (size 0xd2a6d4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xe00000) INFO: Uncompressed kernel (size 0xd2a6d4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xe00000) INFO: Uncompressed kernel (size 0xd2a6d4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xe00000) INFO: Uncompressed kernel (size 0xd2a6d4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xe00000) INFO: Uncompressed kernel (size 0xd2a6d4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xe00000) INFO: Uncompressed kernel (size 0xd2a6d4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xe00000) INFO: Uncompressed kernel (size 0xd2a6d4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xe00000) INFO: Uncompressed kernel (size 0xd2a6d4) overlaps the address of the wrapper(0x400000) INFO: Uncompressed kernel (size 0xd2a6d4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xe00000) INFO: Fixing the link_address of wrapper to (0xe00000) INFO: Uncompressed kernel (size 0xd2a6d4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xe00000) INFO: Uncompressed kernel (size 0xd2a6d4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xe00000) INFO: Uncompressed kernel (size 0xd19f04) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xe00000) Image Name: Linux-5.5.0-rc3-g91a063c95608 Created: Mon Dec 23 22:40:15 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6369797 Bytes = 6220.50 KiB = 6.07 MiB Load Address: 00e00000 Entry Point: 00e002a8 Image Name: Linux-5.5.0-rc3-g91a063c95608 Created: Mon Dec 23 22:40:15 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6337410 Bytes = 6188.88 KiB = 6.04 MiB Load Address: 00000000 Entry Point: 00000000 Image Name: Linux-5.5.0-rc3-g91a063c95608 Created: Mon Dec 23 22:40:19 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6370036 Bytes = 6220.74 KiB = 6.07 MiB Load Address: 00e00000 Entry Point: 00e002a8 Image Name: Linux-5.5.0-rc3-g91a063c95608 Created: Mon Dec 23 22:40:19 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6369797 Bytes = 6220.50 KiB = 6.07 MiB Load Address: 00e00000 Entry Point: 00e002e8 Image Name: Linux-5.5.0-rc3-g91a063c95608 Created: Mon Dec 23 22:40:19 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6370337 Bytes = 6221.03 KiB = 6.08 MiB Load Address: 00e00000 Entry Point: 00e002a8 Image Name: Linux-5.5.0-rc3-g91a063c95608 Created: Mon Dec 23 22:40:19 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6369735 Bytes = 6220.44 KiB = 6.07 MiB Load Address: 00e00000 Entry Point: 00e002e8 Image Name: Linux-5.5.0-rc3-g91a063c95608 Created: Mon Dec 23 22:40:19 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6370561 Bytes = 6221.25 KiB = 6.08 MiB Load Address: 00e00000 Entry Point: 00e002a8 Image Name: Linux-5.5.0-rc3-g91a063c95608 Created: Mon Dec 23 22:40:19 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6370766 Bytes = 6221.45 KiB = 6.08 MiB Load Address: 00e00000 Entry Point: 00e002a8 Image Name: Linux-5.5.0-rc3-g91a063c95608 Created: Mon Dec 23 22:40:20 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6370033 Bytes = 6220.74 KiB = 6.07 MiB Load Address: 00e00000 Entry Point: 00e002a8 Image Name: Linux-5.5.0-rc3-g91a063c95608 Created: Mon Dec 23 22:40:19 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6369815 Bytes = 6220.52 KiB = 6.07 MiB Load Address: 00e00000 Entry Point: 00e002a8 Image Name: Linux-5.5.0-rc3-g91a063c95608 Created: Mon Dec 23 22:40:20 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6370092 Bytes = 6220.79 KiB = 6.07 MiB Load Address: 00e00000 Entry Point: 00e002a8 Image Name: Linux-5.5.0-rc3-g91a063c95608 Created: Mon Dec 23 22:40:19 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6370018 Bytes = 6220.72 KiB = 6.07 MiB Load Address: 00e00000 Entry Point: 00e002e8 Image Name: Linux-5.5.0-rc3-g91a063c95608 Created: Mon Dec 23 22:40:19 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6370066 Bytes = 6220.77 KiB = 6.07 MiB Load Address: 00e00000 Entry Point: 00e002e8 Image Name: Linux-5.5.0-rc3-g91a063c95608 Created: Mon Dec 23 22:40:20 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6370817 Bytes = 6221.50 KiB = 6.08 MiB Load Address: 00e00000 Entry Point: 00e002a8 Image Name: Linux-5.5.0-rc3-g91a063c95608 Created: Mon Dec 23 22:40:20 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6369982 Bytes = 6220.69 KiB = 6.07 MiB Load Address: 00e00000 Entry Point: 00e002a8 Image Name: Linux-5.5.0-rc3-g91a063c95608 Created: Mon Dec 23 22:40:20 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6369799 Bytes = 6220.51 KiB = 6.07 MiB Load Address: 00e00000 Entry Point: 00e002e8 Completed OK # rm -rf /kisskb/build/powerpc-fixes_mpc85xx_smp_defconfig_powerpc-gcc4.6 # Build took: 0:01:50.112005