# git rev-parse -q --verify 91288fcc5a7ebb6378f442916299dc20d037aa72^{commit} 91288fcc5a7ebb6378f442916299dc20d037aa72 already have revision, skipping fetch # git checkout -q -f -B kisskb 91288fcc5a7ebb6378f442916299dc20d037aa72 # git clean -qxdf # < git log -1 # commit 91288fcc5a7ebb6378f442916299dc20d037aa72 # Author: Oliver O'Halloran # Date: Wed Oct 23 12:36:35 2019 +1100 # # powerpc/boot: Fix the initrd being overwritten under qemu # # When booting under OF the zImage expects the initrd address and size # to be passed to it using registers r3 and r4. SLOF (guest firmware # used by QEMU) currently doesn't do this so the zImage is not aware of # the initrd location. This can result in initrd corruption either # though the zImage extracting the vmlinux over the initrd, or by the # vmlinux overwriting the initrd when relocating itself. # # QEMU does put the linux,initrd-start and linux,initrd-end properties # into the devicetree to vmlinux to find the initrd. So we can work # around the problem by also looking for those properties in the zImage. # # Cc: stable@vger.kernel.org # Signed-off-by: Oliver O'Halloran # Signed-off-by: Michael Ellerman # Link: https://lore.kernel.org/r/20191023013635.2512-1-oohall@gmail.com # < /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 91288fcc5a7ebb6378f442916299dc20d037aa72 # < make -s -j 48 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=0x69FCFE0A # 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 48 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 48 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/arch/powerpc/mm/numa.c: In function 'vphn_get_nid': /kisskb/src/arch/powerpc/mm/numa.c:469:2: error: implicit declaration of function 'hcall_vphn' [-Werror=implicit-function-declaration] cc1: some warnings being treated as errors make[3]: *** [/kisskb/src/scripts/Makefile.build:266: arch/powerpc/mm/numa.o] Error 1 make[3]: *** Waiting for unfinished jobs.... make[2]: *** [/kisskb/src/scripts/Makefile.build:503: arch/powerpc/mm] Error 2 make[2]: *** Waiting for unfinished jobs.... /kisskb/src/kernel/bpf/btf.c: In function '__btf_resolve_helper_id': /kisskb/src/kernel/bpf/btf.c:3911:20: warning: 't' 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/drivers/bcma/sprom.c: In function 'bcma_sprom_get': /kisskb/src/drivers/bcma/sprom.c:644:8: warning: 'sprom' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/f2fs/node.c: In function '__set_nat_cache_dirty': /kisskb/src/fs/f2fs/node.c:263:17: warning: 'head' 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:156:19: warning: 'seq' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/bluetooth/btusb.c: In function 'btusb_mtk_setup': /kisskb/src/drivers/bluetooth/btusb.c:2963:3: warning: 'dev_id' 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/fs/gfs2/bmap.c: In function 'gfs2_iomap_get': /kisskb/src/fs/gfs2/bmap.c:956:18: warning: 'height' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/gfs2/bmap.c:951:7: warning: 'len' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/gfs2/bmap.c:957:8: warning: 'lblock' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/core/dev.c: In function 'validate_xmit_skb_list': /kisskb/src/net/core/dev.c:3547:15: warning: 'tail' may be used uninitialized in this function [-Wuninitialized] make[1]: *** [/kisskb/src/Makefile:1693: arch/powerpc] Error 2 make[1]: *** Waiting for unfinished jobs.... /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/lib/rhashtable.c: In function 'rhashtable_rehash_one.isra.22': /kisskb/src/include/linux/rhashtable.h:110:10: warning: 'next' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/lib/rhashtable.c:222:28: note: 'next' was declared here /kisskb/src/drivers/clk/sunxi-ng/ccu_mux.c: In function 'ccu_mux_helper_determine_rate': /kisskb/src/drivers/clk/sunxi-ng/ccu_mux.c:150:22: warning: 'best_parent' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/splice.c: In function '__do_sys_vmsplice': /kisskb/src/fs/splice.c:1390:8: warning: 'type' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/fsi/fsi-master-ast-cf.c: In function 'dump_ucode_trace': /kisskb/src/drivers/fsi/fsi-master-ast-cf.c:459:5: warning: 'p' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/imx/imx-ldb.c: In function 'imx_ldb_bind': /kisskb/src/drivers/gpu/drm/imx/imx-ldb.c:594:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/scheduler/sched_main.c: In function 'drm_sched_resubmit_jobs': /kisskb/src/drivers/gpu/drm/scheduler/sched_main.c:495:20: warning: 'guilty_context' may be used uninitialized in this function [-Wuninitialized] /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/mac80211/tx.c: In function 'ieee80211_build_hdr': /kisskb/src/net/mac80211/tx.c:2551:27: warning: 'chanctx_conf' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/i2c/busses/i2c-sh_mobile.c: In function 'sh_mobile_i2c_isr_rx': /kisskb/src/drivers/i2c/busses/i2c-sh_mobile.c:399:26: warning: 'data' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/iommu/io-pgtable-arm-v7s.c: In function '__arm_v7s_map.constprop.15': /kisskb/src/drivers/iommu/io-pgtable-arm-v7s.c:482:7: warning: 'cptep' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/mac80211/mlme.c: In function 'ieee80211_handle_pwr_constr.isra.22': /kisskb/src/net/mac80211/mlme.c:1576:3: warning: 'pwr_level_cisco' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/mtd/hyperbus/hbmc-am654.c: In function 'am654_hbmc_calibrate': /kisskb/src/drivers/mtd/hyperbus/hbmc-am654.c:51:2: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/input/touchscreen/hideep.c: In function 'hideep_update_firmware': /kisskb/src/drivers/input/touchscreen/hideep.c:630:3: warning: 'error' may be used uninitialized in this function [-Wuninitialized] In file included from /kisskb/src/drivers/net/ethernet/aurora/nb8800.c:30:0: /kisskb/src/drivers/net/ethernet/aurora/nb8800.h:92:0: warning: "TCR_DIE" redefined [enabled by default] /kisskb/src/arch/powerpc/include/asm/reg_booke.h:551:0: note: this is the location of the previous definition /kisskb/src/drivers/mtd/ubi/eba.c: In function 'try_write_vid_and_data': /kisskb/src/drivers/mtd/ubi/eba.c:988:7: warning: 'opnum' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/drm_atomic.c: In function 'drm_atomic_connector_check': /kisskb/src/drivers/gpu/drm/drm_atomic.c:426:38: warning: 'crtc_state' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/ethernet/marvell/octeontx2/af/rvu_npa.c: In function 'npa_lf_hwctx_disable': /kisskb/src/include/asm-generic/bitops/non-atomic.h:106:20: warning: 'bmap' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/ethernet/marvell/octeontx2/af/rvu_npa.c:203:17: note: 'bmap' was declared here /kisskb/src/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c: In function 'nix_lf_hwctx_disable': /kisskb/src/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:721:16: warning: 'bmap' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/ethernet/freescale/fec_ptp.c: In function 'fec_ptp_adjfreq': /kisskb/src/drivers/net/ethernet/freescale/fec_ptp.c:340:50: warning: 'corr_period' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/ethernet/freescale/fec_ptp.c:333:11: warning: 'corr_inc' 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:84:4: warning: 'bellbits' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/tty/serial/8250/8250_core.c: In function 'serial_unlink_irq_chain': /kisskb/src/drivers/tty/serial/8250/8250_core.c:243:2: warning: 'i' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/ethernet/mellanox/mlx5/core/fs_counters.c: In function 'mlx5_fc_stats_insert': /kisskb/src/drivers/net/ethernet/mellanox/mlx5/core/fs_counters.c:124:34: warning: 'counter' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/ethernet/mellanox/mlx5/core/fs_counters.c:112:18: note: 'counter' was declared here /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:1840:33: warning: 'phys_addr' 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:2935:35: warning: 'arfs_id' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/wireless/intel/iwlegacy/3945-mac.c: In function 'il3945_tx_skb': /kisskb/src/drivers/net/wireless/intel/iwlegacy/3945-mac.c:599:33: 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:1634:3: warning: 'post' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/usb/core/config.c: In function 'usb_get_configuration': /kisskb/src/drivers/usb/core/config.c:811:6: warning: 'result' 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/drivers/usb/serial/f81534.c: In function 'f81534_set_register': /kisskb/src/drivers/usb/serial/f81534.c:247:3: 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:286:3: warning: 'status' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxg94.c: In function 'g94_i2c_aux_xfer': /kisskb/src/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxg94.c:160:31: warning: 'stat' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/scsi/lpfc/lpfc_bsg.c: In function 'lpfc_issue_ct_rsp_cmp': /kisskb/src/drivers/scsi/lpfc/lpfc_bsg.c:1466:15: warning: 'bsg_reply' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxgm200.c: In function 'gm200_i2c_aux_xfer': /kisskb/src/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxgm200.c:160:31: warning: 'stat' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/scsi/am53c974.c: In function 'pci_esp_dma_drain': /kisskb/src/drivers/scsi/am53c974.c:174:6: warning: 'resid' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/scsi/lpfc/lpfc_init.c: In function 'lpfc_create_port': /kisskb/src/drivers/scsi/lpfc/lpfc_init.c:4263:4: warning: 'wwn' 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:2685:4: warning: 'ascq' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/scsi/hpsa.c:2685:4: warning: 'asc' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/scsi/hpsa.c:2685:4: warning: 'sense_key' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/nouveau/nvkm/subdev/top/gk104.c: In function 'gk104_top_oneinit': /kisskb/src/drivers/gpu/drm/nouveau/nvkm/subdev/top/gk104.c:104:1: warning: 'inst' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/nouveau/nvkm/subdev/top/gk104.c:104:1: warning: 'type' may be used uninitialized in this function [-Wuninitialized] make: *** [Makefile:179: sub-make] Error 2 Command 'make -s -j 48 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- ' returned non-zero exit status 2 # rm -rf /kisskb/build/powerpc-next-rand_powerpc-randconfig_powerpc-gcc4.6 # Build took: 0:03:21.112613