# git rev-parse -q --verify 7de7de7ca0ae0fc70515ee3154af33af75edae2c^{commit}
7de7de7ca0ae0fc70515ee3154af33af75edae2c
already have revision, skipping fetch
# git checkout -q -f -B kisskb 7de7de7ca0ae0fc70515ee3154af33af75edae2c
# git clean -qxdf
# < git log -1
# commit 7de7de7ca0ae0fc70515ee3154af33af75edae2c
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Sun Dec 15 19:50:23 2019 -0800
# 
#     Fix root mounting with no mount options
#     
#     The "trivial conversion" in commit cccaa5e33525 ("init: use do_mount()
#     instead of ksys_mount()") was totally broken, since it didn't handle the
#     case of a NULL mount data pointer.  And while I had "tested" it (and
#     presumably Dominik had too) that bug was hidden by me having options.
#     
#     Cc: Dominik Brodowski <linux@dominikbrodowski.net>
#     Cc: Arnd Bergmann <arnd@arndb.de>
#     Reported-by: Ondřej Jirman <megi@xff.cz>
#     Reported-by: Guenter Roeck <linux@roeck-us.net>
#     Reported-by: Naresh Kamboju <naresh.kamboju@linaro.org>
#     Reported-and-tested-by: Borislav Petkov <bp@suse.de>
#     Tested-by: Chris Clayton <chris2553@googlemail.com>
#     Tested-by: Eric Biggers <ebiggers@kernel.org>
#     Tested-by: Geert Uytterhoeven <geert@linux-m68k.org>
#     Tested-by: Guido Günther <agx@sigxcpu.org>
#     Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
# < /opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-gcc --version
# < /opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-ld --version
# < git log --format=%s --max-count=1 7de7de7ca0ae0fc70515ee3154af33af75edae2c
# < make -s -j 32 ARCH=arm64 O=/kisskb/build/linus_arm64-defconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-  defconfig
# make -s -j 32 ARCH=arm64 O=/kisskb/build/linus_arm64-defconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-  
arch/arm64/Makefile:27: ld does not support --fix-cortex-a53-843419; kernel may be susceptible to erratum
arch/arm64/Makefile:38: LSE atomics not supported by binutils
/kisskb/src/drivers/i2c/busses/i2c-sh_mobile.c: In function 'sh_mobile_i2c_isr':
/kisskb/src/drivers/i2c/busses/i2c-sh_mobile.c:399:26: warning: 'data' may be used uninitialized in this function [-Wmaybe-uninitialized]
   pd->msg->buf[real_pos] = data;
                          ^
/kisskb/src/drivers/i2c/busses/i2c-sh_mobile.c:372:16: note: 'data' was declared here
  unsigned char data;
                ^
In file included from /kisskb/src/include/linux/rwsem.h:16:0,
                 from /kisskb/src/include/linux/notifier.h:15,
                 from /kisskb/src/include/linux/clk.h:14,
                 from /kisskb/src/drivers/tty/serial/sh-sci.c:24:
/kisskb/src/drivers/tty/serial/sh-sci.c: In function 'sci_dma_rx_submit':
/kisskb/src/include/linux/spinlock.h:288:3: warning: 'flags' may be used uninitialized in this function [-Wmaybe-uninitialized]
   _raw_spin_unlock_irqrestore(lock, flags); \
   ^
/kisskb/src/drivers/tty/serial/sh-sci.c:1352:16: note: 'flags' was declared here
  unsigned long flags;
                ^
Completed OK
# rm -rf /kisskb/build/linus_arm64-defconfig_arm64-gcc5.4
# Build took: 0:05:15.684948