# git rev-parse -q --verify 81b6b96475ac7a4ebfceae9f16fb3758327adbfe^{commit}
81b6b96475ac7a4ebfceae9f16fb3758327adbfe
already have revision, skipping fetch
# git checkout -q -f -B kisskb 81b6b96475ac7a4ebfceae9f16fb3758327adbfe
# git clean -qxdf
# < git log -1
# commit 81b6b96475ac7a4ebfceae9f16fb3758327adbfe
# Merge: a308a7102215 a7ba70f1787f
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Thu Nov 28 11:16:43 2019 -0800
# 
#     Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux; tag 'dma-mapping-5.5' of git://git.infradead.org/users/hch/dma-mapping
#     
#     Pull dma-mapping updates from Christoph Hellwig:
#     
#      - improve dma-debug scalability (Eric Dumazet)
#     
#      - tiny dma-debug cleanup (Dan Carpenter)
#     
#      - check for vmap memory in dma_map_single (Kees Cook)
#     
#      - check for dma_addr_t overflows in dma-direct when using DMA offsets
#        (Nicolas Saenz Julienne)
#     
#      - switch the x86 sta2x11 SOC to use more generic DMA code (Nicolas
#        Saenz Julienne)
#     
#      - fix arm-nommu dma-ranges handling (Vladimir Murzin)
#     
#      - use __initdata in CMA (Shyam Saini)
#     
#      - replace the bus dma mask with a limit (Nicolas Saenz Julienne)
#     
#      - merge the remapping helpers into the main dma-direct flow (me)
#     
#      - switch xtensa to the generic dma remap handling (me)
#     
#      - various cleanups around dma_capable (me)
#     
#      - remove unused dev arguments to various dma-noncoherent helpers (me)
#     
#     * 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux:
#     
#     * tag 'dma-mapping-5.5' of git://git.infradead.org/users/hch/dma-mapping: (22 commits)
#       dma-mapping: treat dev->bus_dma_mask as a DMA limit
#       dma-direct: exclude dma_direct_map_resource from the min_low_pfn check
#       dma-direct: don't check swiotlb=force in dma_direct_map_resource
#       dma-debug: clean up put_hash_bucket()
#       powerpc: remove support for NULL dev in __phys_to_dma / __dma_to_phys
#       dma-direct: avoid a forward declaration for phys_to_dma
#       dma-direct: unify the dma_capable definitions
#       dma-mapping: drop the dev argument to arch_sync_dma_for_*
#       x86/PCI: sta2x11: use default DMA address translation
#       dma-direct: check for overflows on 32 bit DMA addresses
#       dma-debug: increase HASH_SIZE
#       dma-debug: reorder struct dma_debug_entry fields
#       xtensa: use the generic uncached segment support
#       dma-mapping: merge the generic remapping helpers into dma-direct
#       dma-direct: provide mmap and get_sgtable method overrides
#       dma-direct: remove the dma_handle argument to __dma_direct_alloc_pages
#       dma-direct: remove __dma_direct_free_pages
#       usb: core: Remove redundant vmap checks
#       kernel: dma-contiguous: mark CMA parameters __initdata/__initconst
#       dma-debug: add a schedule point in debug_dma_dump_mappings()
#       ...
# < /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 81b6b96475ac7a4ebfceae9f16fb3758327adbfe
# < make -s -j 10 ARCH=powerpc O=/kisskb/build/linus_pmac32_defconfig+SMP_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-  pmac32_defconfig
# Added to kconfig CONFIG_SMP=y
# yes \n | make -s -j 10 ARCH=powerpc O=/kisskb/build/linus_pmac32_defconfig+SMP_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 10 ARCH=powerpc O=/kisskb/build/linus_pmac32_defconfig+SMP_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/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/ppc/awacs.c: In function 'snd_pmac_awacs_init':
/kisskb/src/include/sound/control.h:208:2: warning: 'speaker_vol' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/sound/ppc/awacs.c:873:36: note: 'speaker_vol' was declared here
/kisskb/src/fs/nfsd/nfs4xdr.c: In function 'nfsd4_encode_components_esc':
/kisskb/src/fs/nfsd/nfs4xdr.c:2076:9: warning: 'str' 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/net/mac80211/mlme.c: In function 'ieee80211_rx_mgmt_beacon':
/kisskb/src/net/mac80211/mlme.c:1576:3: warning: 'pwr_level_cisco' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/net/mac80211/mlme.c:1533:6: note: 'pwr_level_cisco' was declared here
/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/net/wireless/broadcom/b43/phy_n.c: In function 'b43_nphy_rf_ctl_override_rev7':
/kisskb/src/drivers/net/wireless/broadcom/b43/phy_n.c:190:21: warning: 'val_addr' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/net/tun.c: In function 'tun_get_user':
/kisskb/src/drivers/net/tun.c:1836:30: warning: 'copylen' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/net/tun.c:1749:46: warning: 'linear' 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]
INFO: Uncompressed kernel (size 0x9308b4) overlaps the address of the wrapper(0x400000)
INFO: Fixing the link_address of wrapper to (0xa00000)
Completed OK
# rm -rf /kisskb/build/linus_pmac32_defconfig+SMP_powerpc-gcc4.6
# Build took: 0:01:42.442246