# git rev-parse -q --verify 38bc7cb6a88c5806e27890e4a3784a5aaa2ae966^{commit} 38bc7cb6a88c5806e27890e4a3784a5aaa2ae966 already have revision, skipping fetch # git checkout -q -f -B kisskb 38bc7cb6a88c5806e27890e4a3784a5aaa2ae966 # git clean -qxdf # < git log -1 # commit 38bc7cb6a88c5806e27890e4a3784a5aaa2ae966 # Author: Andrey Abramov # Date: Tue Apr 2 23:47:22 2019 +0300 # # powerpc: module_[32|64].c: replace swap function with built-in one # # Replace relaswap with built-in one, because relaswap # does a simple byte to byte swap. # # Since Spectre mitigations have made indirect function calls more # expensive, and the default simple byte copies swap is implemented # without them, an "optimized" custom swap function is now # a waste of time as well as code. # # Signed-off-by: Andrey Abramov # Reviewed by: George Spelvin # Acked-by: Michael Ellerman (powerpc) # Link: https://lore.kernel.org/r/994931554238042@iva8-b333b7f98ab0.qloud-c.yandex.net # < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/s390-linux/bin/s390-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/s390-linux/bin/s390-linux-ld --version # < git log --format=%s --max-count=1 38bc7cb6a88c5806e27890e4a3784a5aaa2ae966 # < make -s -j 24 ARCH=s390 O=/kisskb/build/powerpc-next_s390-defconfig_s390x-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/s390-linux/bin/s390-linux- defconfig # < make -s -j 24 ARCH=s390 O=/kisskb/build/powerpc-next_s390-defconfig_s390x-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/s390-linux/bin/s390-linux- help # make -s -j 24 ARCH=s390 O=/kisskb/build/powerpc-next_s390-defconfig_s390x-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/s390-linux/bin/s390-linux- olddefconfig # make -s -j 24 ARCH=s390 O=/kisskb/build/powerpc-next_s390-defconfig_s390x-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/s390-linux/bin/s390-linux- /kisskb/src/kernel/futex.c: In function 'do_futex': /kisskb/src/kernel/futex.c:1676:17: warning: 'oldval' may be used uninitialized in this function [-Wmaybe-uninitialized] return oldval == cmparg; ~~~~~~~^~~~~~~~~ /kisskb/src/kernel/futex.c:1652:6: note: 'oldval' was declared here int oldval, ret; ^~~~~~ Completed OK # rm -rf /kisskb/build/powerpc-next_s390-defconfig_s390x-gcc8 # Build took: 0:05:27.178887