# git rev-parse -q --verify 508fe4a9310b839c42b0b34757034deba9a40392^{commit}
508fe4a9310b839c42b0b34757034deba9a40392
already have revision, skipping fetch
# git checkout -q -f -B kisskb 508fe4a9310b839c42b0b34757034deba9a40392
# git clean -qxdf
# < git log -1
# commit 508fe4a9310b839c42b0b34757034deba9a40392
# Author: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
# Date:   Fri Jun 29 14:06:31 2018 +0530
# 
#     powerpc/mm/hash: Reduce contention on hpte lock
#     
#     We do this in some part. This patch make sure we always try to search
#     for hpte without holding lock and redo the compare with lock held once
#     match found.
#     
#     Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
#     Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-gcc --version
# < git log --format=%s --max-count=1 508fe4a9310b839c42b0b34757034deba9a40392
# < make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-next-rand_powerpc-randconfig_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-  randconfig
KCONFIG_SEED=0x30F21482

WARNING: unmet direct dependencies detected for FSL_EMB_PERFMON
  Depends on [n]: E500 [=n] || PPC_83xx [=n]
  Selected by [y]:
  - PPC_FSL_BOOK3E [=y]
# 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 120 ARCH=powerpc O=/kisskb/build/powerpc-next-rand_powerpc-randconfig_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-  oldconfig
yes: standard output: Broken pipe
yes: write error
# make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-next-rand_powerpc-randconfig_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-  
/kisskb/src/net/Makefile:24: CC cannot link executables. Skipping bpfilter.
/kisskb/src/kernel/rcu/srcutree.c: In function 'init_srcu_struct_fields':
/kisskb/src/kernel/rcu/srcutree.c:146:32: warning: 'levelspread[<Ufa00>]' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/kernel/rcu/srcutree.c:94:6: note: 'levelspread[<Ufa00>]' was declared here
/kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl':
/kisskb/src/kernel/printk/printk.c:183:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/net/Makefile:24: CC cannot link executables. Skipping bpfilter.
/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:339:21: note: 'pdeo' was declared here
/kisskb/src/mm/ksm.c: In function '__stable_node_chain':
/kisskb/src/mm/ksm.c:1395:15: warning: 'found_rmap_hlist_len' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/mm/ksm.c:1367:6: note: 'found_rmap_hlist_len' was declared here
/kisskb/src/sound/hda/hdac_regmap.c: In function 'hda_reg_write':
/kisskb/src/sound/hda/hdac_regmap.c:282:16: warning: 'err' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/sound/core/pcm_iec958.c: In function 'create_iec958_consumer':
/kisskb/src/sound/core/pcm_iec958.c:80:9: warning: 'ws' may be used uninitialized in this function [-Wuninitialized]
/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/mm/memcontrol.c: In function 'mem_cgroup_commit_charge':
/kisskb/src/mm/memcontrol.c:2077:5: warning: 'isolated' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/mm/memcontrol.c:2091:6: note: 'isolated' 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/net/core/gen_stats.c: In function '__gnet_stats_copy_basic':
/kisskb/src/net/core/gen_stats.c:149:19: warning: 'seq' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/dma-buf/reservation.c: In function 'reservation_object_add_shared_fence':
/kisskb/src/drivers/dma-buf/reservation.c:210:7: warning: 'k' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/dma-buf/reservation.c:160:17: note: 'k' was declared here
/kisskb/src/drivers/hwspinlock/hwspinlock_core.c: In function 'of_hwspin_lock_get_id':
/kisskb/src/drivers/hwspinlock/hwspinlock_core.c:328:6: warning: 'id' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/net/core/flow_dissector.c: In function '__skb_flow_dissect':
/kisskb/src/net/core/flow_dissector.c:789:7: warning: 'vlan' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/dma/sh/rcar-dmac.c: In function 'rcar_dmac_chan_prep_sg':
/kisskb/src/drivers/dma/sh/rcar-dmac.c:939:23: warning: 'high_mem_addr' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/dma/sh/rcar-dmac.c:938:23: warning: 'high_dev_addr' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/infiniband/ulp/ipoib/ipoib_main.c: In function 'ipoib_intf_alloc':
/kisskb/src/drivers/infiniband/ulp/ipoib/ipoib_main.c:2043:5: warning: 'dev' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/net/core/rtnetlink.c: In function 'rtnl_newlink':
/kisskb/src/net/core/rtnetlink.c:3099:1: warning: the frame size of 1232 bytes is larger than 1024 bytes [-Wframe-larger-than=]
/kisskb/src/net/core/dev.c: In function 'validate_xmit_skb_list':
/kisskb/src/net/core/dev.c:3161:15: warning: 'tail' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/lib/rhashtable.c: In function 'rht_deferred_worker':
/kisskb/src/lib/rhashtable.c:269:2: warning: 'next' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/lib/rhashtable.c:234:28: note: 'next' was declared here
/kisskb/src/net/ncsi/ncsi-manage.c: In function 'ncsi_configure_channel':
/kisskb/src/net/ncsi/ncsi-manage.c:625:19: warning: 'vid' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/net/ncsi/ncsi-manage.c:587:6: note: 'vid' was declared here
/kisskb/src/drivers/gpu/drm/scheduler/gpu_scheduler.c: In function 'drm_sched_job_recovery':
/kisskb/src/drivers/gpu/drm/scheduler/gpu_scheduler.c:575:20: warning: 'guilty_context' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/misc/cxl/native.c: In function 'native_irq_wait':
/kisskb/src/drivers/misc/cxl/native.c:1248:10: warning: 'ph' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/misc/cxl/native.c:1248:10: warning: 'dsisr' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/gpu/drm/amd/amdgpu/soc15.c: In function 'soc15_set_ip_blocks':
/kisskb/src/drivers/gpu/drm/amd/amdgpu/soc15.c:532:3: warning: #warning "Enable CONFIG_DRM_AMD_DC for display support on SOC15." [-Wcpp]
/kisskb/src/drivers/gpu/drm/amd/amdgpu/soc15.c:551:3: warning: #warning "Enable CONFIG_DRM_AMD_DC for display support on SOC15." [-Wcpp]
/kisskb/src/drivers/gpu/drm/drm_dp_mst_topology.c: In function 'drm_dp_sideband_msg_build':
/kisskb/src/drivers/gpu/drm/drm_dp_mst_topology.c:364:23: warning: 'hdrlen' may be used uninitialized in this function [-Wuninitialized]
/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/net/mac80211/mlme.c: In function 'ieee80211_rx_mgmt_beacon':
/kisskb/src/net/mac80211/mlme.c:1353:3: warning: 'pwr_level_cisco' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/net/mac80211/mlme.c:1310:6: note: 'pwr_level_cisco' was declared here
/kisskb/src/drivers/net/ethernet/apm/xgene/xgene_enet_sgmac.c: In function 'xgene_sgmac_init':
/kisskb/src/drivers/net/ethernet/apm/xgene/xgene_enet_sgmac.c:311:34: warning: 'data' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/net/ethernet/apm/xgene/xgene_enet_sgmac.c:300:6: note: 'data' was declared here
/kisskb/src/drivers/slimbus/messaging.c: In function 'slim_do_transfer':
/kisskb/src/drivers/slimbus/messaging.c:126:14: warning: 'tid' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/net/ethernet/sfc/farch.c: In function 'efx_farch_filter_rfs_expire_one':
/kisskb/src/drivers/net/ethernet/sfc/farch.c:2937:35: warning: 'arfs_id' may be used uninitialized in this function [-Wuninitialized]
/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/scsi/aacraid/src.c: In function 'aac_src_intr_message':
/kisskb/src/drivers/scsi/aacraid/src.c:98:4: warning: 'bellbits' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/staging/comedi/drivers/pcl818.c: In function 'pcl818_ai_cmd':
/kisskb/src/drivers/staging/comedi/drivers/pcl818.c:366:25: warning: 'last_chan' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/staging/comedi/drivers/pcl818.c:347:15: note: 'last_chan' was declared here
/kisskb/src/drivers/target/target_core_user.c: In function 'scatter_data_area':
/kisskb/src/drivers/target/target_core_user.c:573:29: warning: 'dbi' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/target/target_core_user.c:587:9: note: 'dbi' was declared here
/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/net/wireless/intel/iwlegacy/4965-mac.c: In function 'il4965_tx_skb':
/kisskb/src/drivers/net/wireless/intel/iwlegacy/4965-mac.c:1859:33: warning: 'phys_addr' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/scsi/be2iscsi/be_cmds.c: In function 'beiscsi_check_fw_rdy':
/kisskb/src/drivers/scsi/be2iscsi/be_cmds.c:1639:3: warning: 'post' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/scsi/hpsa.c: In function 'complete_scsi_command':
/kisskb/src/drivers/scsi/hpsa.c:2660:12: warning: 'ascq' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/scsi/hpsa.c:2660:12: warning: 'asc' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/scsi/hpsa.c:2660:12: warning: 'sense_key' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c: In function 'rtl8xxxu_probe':
/kisskb/src/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c:3481:23: warning: 'rf_amode' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c:3434:6: note: 'rf_amode' was declared here
/kisskb/src/drivers/usb/misc/usbtest.c: In function 'test_queue':
/kisskb/src/drivers/usb/misc/usbtest.c:2126:1: warning: the frame size of 1152 bytes is larger than 1024 bytes [-Wframe-larger-than=]
/kisskb/src/drivers/usb/serial/f81534.c: In function 'f81534_set_register':
/kisskb/src/drivers/usb/serial/f81534.c:244:10: warning: 'status' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/usb/serial/f81534.c: In function 'f81534_get_register':
/kisskb/src/drivers/usb/serial/f81534.c:283:10: warning: 'status' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c: In function 'brcmf_pcie_setup':
/kisskb/src/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c:1155:22: warning: 'bufsz' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c:1114:6: note: 'bufsz' was declared here
Completed OK
# rm -rf /kisskb/build/powerpc-next-rand_powerpc-randconfig_powerpc
# Build took: 0:01:48.577369