# git rev-parse -q --verify 1d94330a437a573cfdf848f6743b1ed169242c8a^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/linus master
warning: The last gc run reported the following. Please correct the root cause
and remove .git/gc.log.
Automatic cleanup will not be performed until the file is removed.

warning: There are too many unreachable loose objects; run 'git prune' to remove them.

# git rev-parse -q --verify 1d94330a437a573cfdf848f6743b1ed169242c8a^{commit}
1d94330a437a573cfdf848f6743b1ed169242c8a
# git checkout -q -f -B kisskb 1d94330a437a573cfdf848f6743b1ed169242c8a
# git clean -qxdf
# < git log -1
# commit 1d94330a437a573cfdf848f6743b1ed169242c8a
# Merge: b45e2da6e444 c87a95dc28b1
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Fri Jan 15 18:01:17 2021 -0800
# 
#     Merge tag 'for-5.11/dm-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
#     
#     Pull device mapper fixes from Mike Snitzer:
#     
#      - Fix DM-raid's raid1 discard limits so discards work.
#     
#      - Select missing Kconfig dependencies for DM integrity and zoned
#        targets.
#     
#      - Four fixes for DM crypt target's support to optionally bypass kcryptd
#        workqueues.
#     
#      - Fix DM snapshot merge supports missing data flushes before committing
#        metadata.
#     
#      - Fix DM integrity data device flushing when external metadata is used.
#     
#      - Fix DM integrity's maximum number of supported constructor arguments
#        that user can request when creating an integrity device.
#     
#      - Eliminate DM core ioctl logging noise when an ioctl is issued without
#        required CAP_SYS_RAWIO permission.
#     
#     * tag 'for-5.11/dm-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
#       dm crypt: defer decryption to a tasklet if interrupts disabled
#       dm integrity: fix the maximum number of arguments
#       dm crypt: do not call bio_endio() from the dm-crypt tasklet
#       dm integrity: fix flush with external metadata device
#       dm: eliminate potential source of excessive kernel log noise
#       dm snapshot: flush merged data before committing metadata
#       dm crypt: use GFP_ATOMIC when allocating crypto requests from softirq
#       dm crypt: do not wait for backlogged crypto request completion in softirq
#       dm zoned: select CONFIG_CRC32
#       dm integrity: select CRYPTO_SKCIPHER
#       dm raid: fix discard limits for raid1
# < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/aarch64-linux/bin/aarch64-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/aarch64-linux/bin/aarch64-linux-ld --version
# < git log --format=%s --max-count=1 1d94330a437a573cfdf848f6743b1ed169242c8a
# < make -s -j 48 ARCH=arm64 O=/kisskb/build/linus-rand_arm64-randconfig_arm64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/aarch64-linux/bin/aarch64-linux-  randconfig
KCONFIG_SEED=0x3BE242B8
# Added to kconfig CONFIG_PREVENT_FIRMWARE_BUILD=y
# < make -s -j 48 ARCH=arm64 O=/kisskb/build/linus-rand_arm64-randconfig_arm64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/aarch64-linux/bin/aarch64-linux-  help
# make -s -j 48 ARCH=arm64 O=/kisskb/build/linus-rand_arm64-randconfig_arm64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/aarch64-linux/bin/aarch64-linux-  olddefconfig
.config:5117:warning: override: reassigning to symbol PREVENT_FIRMWARE_BUILD
# make -s -j 48 ARCH=arm64 O=/kisskb/build/linus-rand_arm64-randconfig_arm64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/aarch64-linux/bin/aarch64-linux-  
In file included from /kisskb/src/drivers/dma/qcom/gpi.c:8:
In function 'field_multiplier',
    inlined from 'gpi_update_reg.isra.8' at /kisskb/src/include/linux/bitfield.h:124:17:
/kisskb/src/include/linux/bitfield.h:119:3: error: call to '__bad_mask' declared with attribute error: bad bitfield mask
   __bad_mask();
   ^~~~~~~~~~~~
In function 'field_multiplier',
    inlined from 'gpi_update_reg.isra.8' at /kisskb/src/include/linux/bitfield.h:154:1:
/kisskb/src/include/linux/bitfield.h:119:3: error: call to '__bad_mask' declared with attribute error: bad bitfield mask
   __bad_mask();
   ^~~~~~~~~~~~
make[4]: *** [/kisskb/src/scripts/Makefile.build:279: drivers/dma/qcom/gpi.o] Error 1
make[3]: *** [/kisskb/src/scripts/Makefile.build:496: drivers/dma/qcom] Error 2
make[3]: *** Waiting for unfinished jobs....
make[2]: *** [/kisskb/src/scripts/Makefile.build:496: drivers/dma] Error 2
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [/kisskb/src/Makefile:1805: drivers] Error 2
make[1]: *** Waiting for unfinished jobs....
make: *** [Makefile:185: __sub-make] Error 2
Command 'make -s -j 48 ARCH=arm64 O=/kisskb/build/linus-rand_arm64-randconfig_arm64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/aarch64-linux/bin/aarch64-linux-  ' returned non-zero exit status 2
# rm -rf /kisskb/build/linus-rand_arm64-randconfig_arm64-gcc8
# Build took: 0:03:26.272214