# git rev-parse -q --verify 8ee15f3248660f85102a47410079d408615723d4^{commit}
8ee15f3248660f85102a47410079d408615723d4
already have revision, skipping fetch
# git checkout -q -f -B kisskb 8ee15f3248660f85102a47410079d408615723d4
# git clean -qxdf
# < git log -1
# commit 8ee15f3248660f85102a47410079d408615723d4
# Merge: 4876191cbe2a 8c5165430c01
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Fri Apr 12 08:25:16 2019 -0700
# 
#     Merge tag 'dma-mapping-5.1-1' of git://git.infradead.org/users/hch/dma-mapping
#     
#     Pull dma-mapping fixes from Christoph Hellwig:
#      "Fix a sparc64 sun4v_pci regression introduced in this merged window,
#       and a dma-debug stracktrace regression from the big refactor last
#       merge window"
#     
#     * tag 'dma-mapping-5.1-1' of git://git.infradead.org/users/hch/dma-mapping:
#       dma-debug: only skip one stackframe entry
#       sparc64/pci_sun4v: fix ATU checks for large DMA masks
# < /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 8ee15f3248660f85102a47410079d408615723d4
# < make -s -j 48 ARCH=powerpc O=/kisskb/build/linus-rand_powerpc-randconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-  randconfig
KCONFIG_SEED=0x6D9C5B13
# 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 
# yes \n | make -s -j 48 ARCH=powerpc O=/kisskb/build/linus-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 48 ARCH=powerpc O=/kisskb/build/linus-rand_powerpc-randconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-  
<stdin>:1478:2: warning: #warning syscall pidfd_send_signal not implemented [-Wcpp]
<stdin>:1481:2: warning: #warning syscall io_uring_setup not implemented [-Wcpp]
<stdin>:1484:2: warning: #warning syscall io_uring_enter not implemented [-Wcpp]
<stdin>:1487:2: warning: #warning syscall io_uring_register not implemented [-Wcpp]
cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default]
/kisskb/src/kernel/rcu/srcutree.c: In function 'init_srcu_struct_nodes':
/kisskb/src/kernel/rcu/srcutree.c:121:34: warning: 'levelspread[<U9be0>]' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/kernel/rcu/srcutree.c: At top level:
cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default]
/kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl':
/kisskb/src/kernel/printk/printk.c:187:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/kernel/printk/printk.c: At top level:
cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default]
/kisskb/src/ipc/shm.c: In function 'ksys_shmdt':
/kisskb/src/ipc/shm.c:1712:59: warning: 'file' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/ipc/shm.c: At top level:
cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default]
/kisskb/src/lib/mpi/mpicoder.c: In function 'mpi_read_raw_from_sgl':
/kisskb/src/lib/mpi/mpicoder.c:352:8: warning: 'buff' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/lib/mpi/mpicoder.c: At top level:
cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default]
/kisskb/src/drivers/i2c/i2c-core-base.c: In function 'i2c_generic_scl_recovery':
/kisskb/src/drivers/i2c/i2c-core-base.c:235:5: warning: 'ret' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/i2c/i2c-core-base.c: At top level:
cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default]
/kisskb/src/fs/f2fs/node.c: In function '__set_nat_cache_dirty':
/kisskb/src/include/linux/list.h:63:13: warning: 'head' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/fs/f2fs/node.c:237:24: note: 'head' was declared here
/kisskb/src/fs/f2fs/node.c: At top level:
cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default]
/kisskb/src/net/core/gen_stats.c: In function '__gnet_stats_copy_basic':
/kisskb/src/include/linux/seqlock.h:205:9: warning: 'seq' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/net/core/gen_stats.c:150:15: note: 'seq' was declared here
/kisskb/src/net/core/gen_stats.c: At top level:
cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default]
/kisskb/src/net/core/dev.c: In function 'validate_xmit_skb_list':
/kisskb/src/net/core/dev.c:3405:15: warning: 'tail' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/net/core/dev.c: At top level:
cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default]
/kisskb/src/net/ipv4/ip_output.c: In function '__ip_append_data.isra.32':
/kisskb/src/include/linux/skbuff.h:1397:7: warning: 'extra_uref' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/net/ipv4/ip_output.c:885:14: note: 'extra_uref' was declared here
/kisskb/src/net/ipv4/ip_output.c: At top level:
cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default]
/kisskb/src/drivers/mtd/ubi/eba.c: In function 'try_write_vid_and_data':
/kisskb/src/drivers/mtd/ubi/eba.c:1001:7: warning: 'opnum' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/mtd/ubi/eba.c: At top level:
cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default]
/kisskb/src/net/ipv6/ip6_output.c: In function '__ip6_append_data.isra.30':
/kisskb/src/include/linux/skbuff.h:1397:7: warning: 'extra_uref' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/net/ipv6/ip6_output.c:1278:14: note: 'extra_uref' was declared here
/kisskb/src/net/ipv6/ip6_output.c: At top level:
cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default]
/kisskb/src/drivers/input/touchscreen/hideep.c: In function 'hideep_update_firmware':
/kisskb/src/drivers/input/touchscreen/hideep.c:633:3: warning: 'error' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/input/touchscreen/hideep.c: At top level:
cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default]
/kisskb/src/drivers/nvme/target/io-cmd-bdev.c: In function 'nvmet_bdev_execute_discard':
/kisskb/src/drivers/nvme/target/io-cmd-bdev.c:232:21: warning: 'status' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/nvme/target/io-cmd-bdev.c: At top level:
cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default]
/kisskb/src/net/ipv4/tcp_input.c: In function 'tcp_clean_rtx_queue':
/kisskb/src/include/net/tcp.h:761:9: warning: 'last_ackt' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/net/ipv4/tcp_input.c:3045:18: note: 'last_ackt' was declared here
/kisskb/src/drivers/iio/imu/bmi160/bmi160_core.c: In function 'bmi160_config_pin.constprop.10':
/kisskb/src/drivers/iio/imu/bmi160/bmi160_core.c:618:3: warning: 'pin_name' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/iio/imu/bmi160/bmi160_core.c:606:29: warning: 'int_map_mask' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/iio/imu/bmi160/bmi160_core.c:599:29: warning: 'int_latch_mask' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/iio/imu/bmi160/bmi160_core.c:577:47: warning: 'int_out_ctrl_shift' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/net/ipv4/tcp_input.c: At top level:
cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default]
/kisskb/src/drivers/iio/imu/bmi160/bmi160_core.c: At top level:
cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default]
/kisskb/src/lib/rhashtable.c: In function 'rhashtable_rehash_one':
/kisskb/src/lib/rhashtable.c:264:2: warning: 'next' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/lib/rhashtable.c: At top level:
cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default]
/kisskb/src/net/ncsi/ncsi-manage.c: In function 'set_one_vid':
/kisskb/src/net/ncsi/ncsi-manage.c:676:19: warning: 'vid' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/net/ncsi/ncsi-manage.c: At top level:
cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default]
/kisskb/src/drivers/pwm/pwm-atmel-hlcdc.c: In function 'atmel_hlcdc_pwm_apply':
/kisskb/src/drivers/pwm/pwm-atmel-hlcdc.c:78:56: warning: 'clk_period_ns' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/pwm/pwm-atmel-hlcdc.c: At top level:
cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default]
/kisskb/src/drivers/gpu/drm/drm_atomic.c: In function 'drm_atomic_connector_check':
/kisskb/src/drivers/gpu/drm/drm_atomic.c:420:38: warning: 'crtc_state' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/gpu/drm/drm_atomic.c: At top level:
cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default]
/kisskb/src/net/mac80211/mlme.c: In function 'ieee80211_handle_pwr_constr.isra.18':
/kisskb/src/net/mac80211/mlme.c:1581:3: warning: 'pwr_level_cisco' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/staging/comedi/drivers/dt282x.c: In function 'dt282x_ns_to_timer':
/kisskb/src/drivers/staging/comedi/drivers/dt282x.c:389:5: warning: 'divider' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/staging/comedi/drivers/dt282x.c:394:16: warning: 'base' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/staging/comedi/drivers/dt282x.c: At top level:
cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default]
/kisskb/src/net/mac80211/mlme.c: At top level:
cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default]
/kisskb/src/drivers/vhost/vhost.c: In function 'vhost_vq_avail_empty':
/kisskb/src/include/uapi/linux/swab.h:52:9: warning: 'avail_idx' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/vhost/vhost.c:2392:13: note: 'avail_idx' was declared here
/kisskb/src/drivers/vhost/vhost.c: In function 'vhost_get_vq_desc':
/kisskb/src/include/uapi/linux/swab.h:52:9: warning: 'ring_head' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/vhost/vhost.c:2090:13: note: 'ring_head' was declared here
/kisskb/src/include/uapi/linux/swab.h:52:9: warning: 'avail_idx' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/vhost/vhost.c:2089:13: note: 'avail_idx' was declared here
/kisskb/src/drivers/vhost/vhost.c: At top level:
cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default]
/kisskb/src/net/sctp/output.c: In function 'sctp_packet_config':
/kisskb/src/include/net/sock.h:1949:19: warning: 'sk' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/net/sctp/output.c:94:15: note: 'sk' was declared here
/kisskb/src/net/sctp/output.c: At top level:
cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default]
/kisskb/src/drivers/video/backlight/adp8860_bl.c: In function 'adp8860_bl_ambient_light_level_show':
/kisskb/src/drivers/video/backlight/adp8860_bl.c:579:10: warning: 'ret_val' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/video/backlight/adp8860_bl.c: At top level:
cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default]
/kisskb/src/net/tipc/socket.c: In function 'tipc_recvmsg':
/kisskb/src/net/tipc/socket.c:1737:27: warning: 'copy' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/net/tipc/socket.c: At top level:
cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default]
WARNING: vmlinux.o (.PPC.EMB.apuinfo): unexpected non-allocatable section.
Did you forget to use "ax"/"aw" in a .S file?
Note that for example <linux/init.h> contains
section definitions for use in .S files.

WARNING: 4 bad relocations
c000000000014c0a R_PPC64_ADDR16_HIGHEST  .head.text+0x0000000000014c24
c000000000014c0e R_PPC64_ADDR16_HIGHER  .head.text+0x0000000000014c24
c000000000014c16 R_PPC64_ADDR16_HI  .head.text+0x0000000000014c24
c000000000014c1a R_PPC64_ADDR16_LO  .head.text+0x0000000000014c24
INFO: Uncompressed kernel (size 0x15a0000) overlaps the address of the wrapper(0x400000)
INFO: Fixing the link_address of wrapper to (0x1600000)
Image Name:   Linux-5.1.0-rc4+
Created:      Sat Apr 13 06:38:24 2019
Image Type:   PowerPC Linux Kernel Image (gzip compressed)
Data Size:    7439916 Bytes = 7265.54 KiB = 7.10 MiB
Load Address: 00000000
Entry Point:  00000000
Completed OK
# rm -rf /kisskb/build/linus-rand_powerpc-randconfig_powerpc-gcc4.6
# Build took: 0:02:37.106289