# git rev-parse -q --verify 682e6b4da5cbe8e9a53f979a58c2a9d7dc997175^{commit} 682e6b4da5cbe8e9a53f979a58c2a9d7dc997175 already have revision, skipping fetch # git checkout -q -f -B kisskb 682e6b4da5cbe8e9a53f979a58c2a9d7dc997175 # git clean -qxdf # < git log -1 # commit 682e6b4da5cbe8e9a53f979a58c2a9d7dc997175 # Author: Nicholas Piggin # Date: Tue Apr 10 21:49:32 2018 +1000 # # rtc: opal: Fix OPAL RTC driver OPAL_BUSY loops # # The OPAL RTC driver does not sleep in case it gets OPAL_BUSY or # OPAL_BUSY_EVENT from firmware, which causes large scheduling # latencies, up to 50 seconds have been observed here when RTC stops # responding (BMC reboot can do it). # # Fix this by converting it to the standard form OPAL_BUSY loop that # sleeps. # # Fixes: 628daa8d5abf ("powerpc/powernv: Add RTC and NVRAM support plus RTAS fallbacks") # Cc: stable@vger.kernel.org # v3.2+ # Signed-off-by: Nicholas Piggin # Acked-by: Alexandre Belloni # Signed-off-by: Michael Ellerman # < /opt/cross/kisskb/gcc-5.3.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version # < git log --format=%s --max-count=1 682e6b4da5cbe8e9a53f979a58c2a9d7dc997175 # < make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-fixes_40x_ep405_defconfig_powerpc-5.3 CROSS_COMPILE=/opt/cross/kisskb/gcc-5.3.0-nolibc/powerpc64-linux/bin/powerpc64-linux- 40x/ep405_defconfig # make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-fixes_40x_ep405_defconfig_powerpc-5.3 CROSS_COMPILE=/opt/cross/kisskb/gcc-5.3.0-nolibc/powerpc64-linux/bin/powerpc64-linux- arch/powerpc/boot/ep405.dtb: Warning (pci_bridge): /plb/pci@ec000000: missing bus-range for PCI bridge arch/powerpc/boot/ep405.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge' INFO: Uncompressed kernel (size 0x504120) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x600000) Completed OK # rm -rf /kisskb/build/powerpc-fixes_40x_ep405_defconfig_powerpc-5.3 # Build took: 0:00:33.988577