# git rev-parse -q --verify 66f93c5a02d5ba6ef17fef459143961382593212^{commit} 66f93c5a02d5ba6ef17fef459143961382593212 already have revision, skipping fetch # git checkout -q -f -B kisskb 66f93c5a02d5ba6ef17fef459143961382593212 # git clean -qxdf # < git log -1 # commit 66f93c5a02d5ba6ef17fef459143961382593212 # Author: Nicholas Piggin # Date: Thu Nov 15 12:34:27 2018 +1000 # # powerpc/64: Fix kernel stack 16-byte alignment # # Commit 4c2de74cc869 ("powerpc/64: Interrupts save PPR on stack rather # than thread_struct") changed sizeof(struct pt_regs) % 16 from 0 to 8, # which causes the interrupt frame allocation on kernel entry to put the # kernel stack out of alignment. # # Quadword (16-byte) alignment for the stack is required by both the # 64-bit v1 ABI (v1.9 § 3.2.2) and the 64-bit v2 ABI (v1.1 § 2.2.2.1). # # Add a pad field to fix alignment, and add a BUILD_BUG_ON to catch this # in future. # # Fixes: 4c2de74cc869 ("powerpc/64: Interrupts save PPR on stack rather than thread_struct") # Signed-off-by: Nicholas Piggin # 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 66f93c5a02d5ba6ef17fef459143961382593212 # < make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-fixes_ppc6xx_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- ppc6xx_defconfig # make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-fixes_ppc6xx_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- In file included from /kisskb/src/sound/ppc/pmac.h:25:0, from /kisskb/src/sound/ppc/awacs.c:29: /kisskb/src/sound/ppc/awacs.c: In function 'snd_pmac_awacs_init': /kisskb/src/include/sound/control.h:223:9: warning: 'speaker_vol' may be used uninitialized in this function [-Wmaybe-uninitialized] return _snd_ctl_add_slave(master, slave, 0); ^ /kisskb/src/sound/ppc/awacs.c:886:36: note: 'speaker_vol' was declared here struct snd_kcontrol *master_vol, *speaker_vol; ^ /kisskb/src/scripts/unifdef.c: In function 'Mpass': /kisskb/src/scripts/unifdef.c:453:28: warning: 'strncpy' output truncated before terminating nul copying 4 bytes from a string of the same length [-Wstringop-truncation] static void Mpass (void) { strncpy(keyword, "if ", 4); Pelif(); } ^~~~~~~~~~~~~~~~~~~~~~~~~~~ ./usr/include/linux/v4l2-controls.h:1105: found __[us]{8,16,32,64} type without #include arch/powerpc/boot/dts/mpc832x_rdb.dtb: Warning (interrupts_property): /qe@e0100000/mdio@3120/ethernet-phy@0:#interrupt-cells: size is (4), expected multiple of 8 arch/powerpc/boot/dts/mpc832x_rdb.dtb: Warning (interrupts_property): /qe@e0100000/mdio@3120/ethernet-phy@4:#interrupt-cells: size is (4), expected multiple of 8 INFO: Uncompressed kernel (size 0xa9b864) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) INFO: Uncompressed kernel (size 0xa9b864) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) INFO: Uncompressed kernel (size 0xa9b864) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) INFO: Uncompressed kernel (size 0xa9b864) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) INFO: Uncompressed kernel (size 0xa9b864) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) INFO: Uncompressed kernel (size 0xa9b864) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) INFO: Uncompressed kernel (size 0xa9b864) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) INFO: Uncompressed kernel (size 0xa9b864) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) INFO: Uncompressed kernel (size 0xa8b14c) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) INFO: Uncompressed kernel (size 0xa8b14c) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) INFO: Uncompressed kernel (size 0xa9b864) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) INFO: Uncompressed kernel (size 0xa9b864) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xb00000) Image Name: Linux-4.20.0-rc1+ Created: Thu Nov 15 20:29:42 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5104659 Bytes = 4985.02 KiB = 4.87 MiB Load Address: 00b00000 Entry Point: 00b002a0 Image Name: Linux-4.20.0-rc1+ Created: Thu Nov 15 20:29:42 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5105355 Bytes = 4985.70 KiB = 4.87 MiB Load Address: 00b00000 Entry Point: 00b002a0 Image Name: Linux-4.20.0-rc1+ Created: Thu Nov 15 20:29:42 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5105131 Bytes = 4985.48 KiB = 4.87 MiB Load Address: 00b00000 Entry Point: 00b002a0 Image Name: Linux-4.20.0-rc1+ Created: Thu Nov 15 20:29:42 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5105259 Bytes = 4985.60 KiB = 4.87 MiB Load Address: 00b00000 Entry Point: 00b002a0 Image Name: Linux-4.20.0-rc1+ Created: Thu Nov 15 20:29:42 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5105359 Bytes = 4985.70 KiB = 4.87 MiB Load Address: 00b00000 Entry Point: 00b008a0 Image Name: Linux-4.20.0-rc1+ Created: Thu Nov 15 20:29:42 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5105287 Bytes = 4985.63 KiB = 4.87 MiB Load Address: 00b00000 Entry Point: 00b002a0 Image Name: Linux-4.20.0-rc1+ Created: Thu Nov 15 20:29:42 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5105101 Bytes = 4985.45 KiB = 4.87 MiB Load Address: 00b00000 Entry Point: 00b002a0 Image Name: Linux-4.20.0-rc1+ Created: Thu Nov 15 20:29:42 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5074650 Bytes = 4955.71 KiB = 4.84 MiB Load Address: 00000000 Entry Point: 00000000 Image Name: Linux-4.20.0-rc1+ Created: Thu Nov 15 20:29:42 2018 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5105334 Bytes = 4985.68 KiB = 4.87 MiB Load Address: 00b00000 Entry Point: 00b008a0 Completed OK # rm -rf /kisskb/build/powerpc-fixes_ppc6xx_defconfig_powerpc-gcc5 # Build took: 0:01:14.881410