# git rev-parse -q --verify 516627be26024f9952005a3116cbdb9d6dc24428^{commit} 516627be26024f9952005a3116cbdb9d6dc24428 already have revision, skipping fetch # git checkout -q -f -B kisskb 516627be26024f9952005a3116cbdb9d6dc24428 # git clean -qxdf # < git log -1 # commit 516627be26024f9952005a3116cbdb9d6dc24428 # Author: Jordan Niethe # Date: Tue Sep 10 16:01:02 2019 +1000 # # powerpc/64s: Set reserved PCR bits # # Currently the reserved bits of the Processor Compatibility # Register (PCR) are cleared as per the Programming Note in Section # 1.3.3 of version 3.0B of the Power ISA. This causes all new # architecture features to be made available when running on newer # processors with new architecture features added to the PCR as bits # must be set to disable a given feature. # # For example to disable new features added as part of Version 2.07 of # the ISA the corresponding bit in the PCR needs to be set. # # As new processor features generally require explicit kernel support # they should be disabled until such support is implemented. Therefore # kernels should set all unknown/reserved bits in the PCR such that any # new architecture features which the kernel does not currently know # about get disabled. # # An update is planned to the ISA to clarify that the PCR is an # exception to the Programming Note on reserved bits in Section 1.3.3. # # Signed-off-by: Jordan Niethe # [alistair: Added some clarifications to the commit message] # Signed-off-by: Alistair Popple # Tested-by: Joel Stanley # Signed-off-by: Michael Ellerman # Link: https://lore.kernel.org/r/20190910060102.21597-1-alistair@popple.id.au # < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux-ld --version # < git log --format=%s --max-count=1 516627be26024f9952005a3116cbdb9d6dc24428 # < make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-next_corenet32_smp_defconfig_powerpc-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux- corenet32_smp_defconfig # make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-next_corenet32_smp_defconfig_powerpc-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux- /kisskb/src/drivers/crypto/talitos.c: In function 'talitos_remove': /kisskb/src/drivers/crypto/talitos.c:3142:4: warning: this statement may fall through [-Wimplicit-fallthrough=] crypto_unregister_aead(&t_alg->algt.alg.aead); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /kisskb/src/drivers/crypto/talitos.c:3143:3: note: here case CRYPTO_ALG_TYPE_AHASH: ^~~~ /kisskb/src/drivers/dma/fsldma.c: In function 'fsl_dma_chan_probe': /kisskb/src/drivers/dma/fsldma.c:1165:26: warning: this statement may fall through [-Wimplicit-fallthrough=] chan->toggle_ext_pause = fsl_chan_toggle_ext_pause; ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~ /kisskb/src/drivers/dma/fsldma.c:1166:2: note: here case FSL_DMA_IP_83XX: ^~~~ In file included from /kisskb/src/include/linux/acpi.h:15, from /kisskb/src/include/linux/i2c.h:13, from /kisskb/src/include/uapi/linux/fb.h:6, from /kisskb/src/include/linux/fb.h:6, from /kisskb/src/drivers/video/fbdev/fsl-diu-fb.c:20: /kisskb/src/drivers/video/fbdev/fsl-diu-fb.c: In function 'fsl_diu_ioctl': /kisskb/src/include/linux/device.h:1501:2: warning: this statement may fall through [-Wimplicit-fallthrough=] _dev_warn(dev, dev_fmt(fmt), ##__VA_ARGS__) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /kisskb/src/drivers/video/fbdev/fsl-diu-fb.c:1287:3: note: in expansion of macro 'dev_warn' dev_warn(info->dev, ^~~~~~~~ /kisskb/src/drivers/video/fbdev/fsl-diu-fb.c:1290:2: note: here case MFB_SET_PIXFMT: ^~~~ In file included from /kisskb/src/include/linux/acpi.h:15, from /kisskb/src/include/linux/i2c.h:13, from /kisskb/src/include/uapi/linux/fb.h:6, from /kisskb/src/include/linux/fb.h:6, from /kisskb/src/drivers/video/fbdev/fsl-diu-fb.c:20: /kisskb/src/include/linux/device.h:1501:2: warning: this statement may fall through [-Wimplicit-fallthrough=] _dev_warn(dev, dev_fmt(fmt), ##__VA_ARGS__) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /kisskb/src/drivers/video/fbdev/fsl-diu-fb.c:1296:3: note: in expansion of macro 'dev_warn' dev_warn(info->dev, ^~~~~~~~ /kisskb/src/drivers/video/fbdev/fsl-diu-fb.c:1299:2: note: here case MFB_GET_PIXFMT: ^~~~ INFO: Uncompressed kernel (size 0xe44318) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xf00000) Image Name: Linux-5.3.0-rc2-g516627be2602 Created: Sat Sep 14 02:50:29 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6728084 Bytes = 6570.39 KiB = 6.42 MiB Load Address: 00000000 Entry Point: 00000000 Completed OK # rm -rf /kisskb/build/powerpc-next_corenet32_smp_defconfig_powerpc-gcc8 # Build took: 0:02:18.688875