# git rev-parse -q --verify 0823c68b054bca9dc321adea829af5cf36afb30b^{commit} 0823c68b054bca9dc321adea829af5cf36afb30b already have revision, skipping fetch # git checkout -q -f -B kisskb 0823c68b054bca9dc321adea829af5cf36afb30b # git clean -qxdf # < git log -1 # commit 0823c68b054bca9dc321adea829af5cf36afb30b # Author: Hari Bathini # Date: Fri Sep 14 19:36:02 2018 +0530 # # powerpc/fadump: re-register firmware-assisted dump if already registered # # Firmware-Assisted Dump (FADump) needs to be registered again after any # memory hot add/remove operation to update the crash memory ranges. But # currently, the kernel returns '-EEXIST' if we try to register without # uregistering it first. This could expose the system to racing issues # while unregistering and registering FADump from userspace during udev # events. Spare the userspace of this and let it be taken care of in the # kernel space for a simpler interface. # # Since this change, running 'echo 1 > /sys/kernel/fadump_registered' # would result in re-regisering (unregistering and registering) FADump, # if it was already registered. # # Signed-off-by: Hari Bathini # Acked-by: Mahesh Salgaonkar # Signed-off-by: Michael Ellerman # < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version # < git log --format=%s --max-count=1 0823c68b054bca9dc321adea829af5cf36afb30b # < make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-next_adder875_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- adder875_defconfig # make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-next_adder875_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- Image Name: Linux-4.19.0-rc3-g0823c68b054bc Created: Thu Sep 20 02:51:28 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 1910471 Bytes = 1865.69 KiB = 1.82 MiB Load Address: 00400000 Entry Point: 004001a8 Completed OK # rm -rf /kisskb/build/powerpc-next_adder875_defconfig_powerpc-gcc5 # Build took: 0:00:20.574348