# git rev-parse -q --verify 3ca706c189db861b2ca2019a0901b94050ca49d8^{commit}
3ca706c189db861b2ca2019a0901b94050ca49d8
already have revision, skipping fetch
# git checkout -q -f -B kisskb 3ca706c189db861b2ca2019a0901b94050ca49d8
# git clean -qxdf
# < git log -1
# commit 3ca706c189db861b2ca2019a0901b94050ca49d8
# Author: Huang Rui <ray.huang@amd.com>
# Date:   Tue Sep 7 18:03:02 2021 +0800
# 
#     drm/ttm: fix type mismatch error on sparc64
#     
#     On sparc64, __fls() returns an "int", but the drm TTM code expected it
#     to be "unsigned long" as on x86.  As a result, on sparc (and arc, and
#     m68k) you get build errors because 'min()' checks that the types match.
#     
#     As suggested by Linus, it can use min_t instead of min to force the type
#     to be "unsigned int".
#     
#     Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
#     Signed-off-by: Huang Rui <ray.huang@amd.com>
#     Reviewed-by: Christian König <christian.koenig@amd.com>
#     Cc: Alex Deucher <alexdeucher@gmail.com>
#     Cc: David Airlie <airlied@linux.ie>
#     Cc: Daniel Vetter <daniel@ffwll.ch>
#     Cc: Guenter Roeck <linux@roeck-us.net>
#     Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
# < /opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux-gcc --version
# < /opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux-ld --version
# < git log --format=%s --max-count=1 3ca706c189db861b2ca2019a0901b94050ca49d8
# < make -s -j 48 ARCH=um O=/kisskb/build/linus_um-defconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 defconfig
# < make -s -j 48 ARCH=um O=/kisskb/build/linus_um-defconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 help
# make -s -j 48 ARCH=um O=/kisskb/build/linus_um-defconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 olddefconfig
# make -s -j 48 ARCH=um O=/kisskb/build/linus_um-defconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 
/kisskb/src/arch/x86/um/Makefile:44: FORCE prerequisite is missing
  LINK linux
Completed OK
# rm -rf /kisskb/build/linus_um-defconfig_um-x86_64
# Build took: 0:00:47.509656