# git rev-parse -q --verify 16d83a540ca4e7f1ebb2b3756869b77451d31414^{commit} 16d83a540ca4e7f1ebb2b3756869b77451d31414 already have revision, skipping fetch # git checkout -q -f -B kisskb 16d83a540ca4e7f1ebb2b3756869b77451d31414 # git clean -qxdf # < git log -1 # commit 16d83a540ca4e7f1ebb2b3756869b77451d31414 # Author: Pratik Rajesh Sampat # Date: Wed Aug 26 13:59:18 2020 +0530 # # Revert "powerpc/powernv/idle: Replace CPU feature check with PVR check" # # cpuidle stop state implementation has minor optimizations for P10 # where hardware preserves more SPR registers compared to P9. The # current P9 driver works for P10, although does few extra # save-restores. P9 driver can provide the required power management # features like SMT thread folding and core level power savings on a P10 # platform. # # Until the P10 stop driver is available, revert the commit which allows # for only P9 systems to utilize cpuidle and blocks all idle stop states # for P10. CPU idle states are enabled and tested on the P10 platform # with this fix. # # This reverts commit 8747bf36f312356f8a295a0c39ff092d65ce75ae. # # Fixes: 8747bf36f312 ("powerpc/powernv/idle: Replace CPU feature check with PVR check") # Signed-off-by: Pratik Rajesh Sampat # Reviewed-by: Vaidyanathan Srinivasan # Signed-off-by: Michael Ellerman # Link: https://lore.kernel.org/r/20200826082918.89306-1-psampat@linux.ibm.com # < /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 16d83a540ca4e7f1ebb2b3756869b77451d31414 # < make -s -j 80 ARCH=arm64 O=/kisskb/build/powerpc-fixes_arm64-defconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux- defconfig # < make -s -j 80 ARCH=arm64 O=/kisskb/build/powerpc-fixes_arm64-defconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux- help # make -s -j 80 ARCH=arm64 O=/kisskb/build/powerpc-fixes_arm64-defconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux- olddefconfig # make -s -j 80 ARCH=arm64 O=/kisskb/build/powerpc-fixes_arm64-defconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux- arch/arm64/Makefile:26: ld does not support --fix-cortex-a53-843419; kernel may be susceptible to erratum arch/arm64/Makefile:34: LSE atomics not supported by binutils /kisskb/src/arch/arm64/boot/dts/broadcom/stingray/stingray-usb.dtsi:7.3-14: Warning (dma_ranges_format): /usb:dma-ranges: empty "dma-ranges" property but its #address-cells (1) differs from / (2) /kisskb/src/arch/arm64/boot/dts/broadcom/stingray/stingray-usb.dtsi:7.3-14: Warning (dma_ranges_format): /usb:dma-ranges: empty "dma-ranges" property but its #size-cells (1) differs from / (2) /kisskb/src/arch/arm64/boot/dts/broadcom/stingray/stingray-usb.dtsi:7.3-14: Warning (dma_ranges_format): /usb:dma-ranges: empty "dma-ranges" property but its #address-cells (1) differs from / (2) /kisskb/src/arch/arm64/boot/dts/broadcom/stingray/stingray-usb.dtsi:7.3-14: Warning (dma_ranges_format): /usb:dma-ranges: empty "dma-ranges" property but its #size-cells (1) differs from / (2) /kisskb/src/arch/arm64/boot/dts/broadcom/stingray/stingray-usb.dtsi:7.3-14: Warning (dma_ranges_format): /usb:dma-ranges: empty "dma-ranges" property but its #address-cells (1) differs from / (2) /kisskb/src/arch/arm64/boot/dts/broadcom/stingray/stingray-usb.dtsi:7.3-14: Warning (dma_ranges_format): /usb:dma-ranges: empty "dma-ranges" property but its #size-cells (1) differs from / (2) /kisskb/src/arch/arm64/boot/dts/qcom/ipq6018.dtsi:127.3-14: Warning (dma_ranges_format): /soc:dma-ranges: empty "dma-ranges" property but its #address-cells (1) differs from / (2) /kisskb/src/arch/arm64/boot/dts/qcom/ipq6018.dtsi:127.3-14: Warning (dma_ranges_format): /soc:dma-ranges: empty "dma-ranges" property but its #size-cells (1) differs from / (2) Completed OK # rm -rf /kisskb/build/powerpc-fixes_arm64-defconfig_arm64-gcc5.4 # Build took: 0:05:39.694500