# git rev-parse -q --verify e13e7cd4c0c1cc9984d9b6a8663e10d76b53f2aa^{commit} e13e7cd4c0c1cc9984d9b6a8663e10d76b53f2aa already have revision, skipping fetch # git checkout -q -f -B kisskb e13e7cd4c0c1cc9984d9b6a8663e10d76b53f2aa # git clean -qxdf # < git log -1 # commit e13e7cd4c0c1cc9984d9b6a8663e10d76b53f2aa # Author: Nicholas Piggin # Date: Sat Jun 22 08:55:54 2019 +1000 # # powerpc/64s/exception: Fix machine check early corrupting AMR # # The early machine check runs in real mode, so locking is unnecessary. # Worse, the windup does not restore AMR, so this can result in a false # KUAP fault after a recoverable machine check hits inside a user copy # operation. # # Fix this similarly to HMI by just avoiding the kuap lock in the # early machine check handler (it will be set by the late handler that # runs in virtual mode if that runs). If the virtual mode handler is # reached, it will lock and restore the AMR. # # Fixes: 890274c2dc4c0 ("powerpc/64s: Implement KUAP for Radix MMU") # Cc: Russell Currey # Signed-off-by: Nicholas Piggin # Signed-off-by: Michael Ellerman # < /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 e13e7cd4c0c1cc9984d9b6a8663e10d76b53f2aa # < make -s -j 80 ARCH=powerpc O=/kisskb/build/powerpc-fixes_mpc85xx_defconfig+KVM_powerpc-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux- mpc85xx_defconfig # Added to kconfig CONFIG_PPC_E500MC=y # Added to kconfig CONFIG_VIRTUALIZATION=y # Added to kconfig CONFIG_KVM_E500MC=y # Added to kconfig # yes \n | make -s -j 80 ARCH=powerpc O=/kisskb/build/powerpc-fixes_mpc85xx_defconfig+KVM_powerpc-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux- oldconfig yes: standard output: Broken pipe # make -s -j 80 ARCH=powerpc O=/kisskb/build/powerpc-fixes_mpc85xx_defconfig+KVM_powerpc-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux- In file included from /kisskb/src/include/linux/kernel.h:11, from /kisskb/src/include/linux/list.h:9, from /kisskb/src/include/linux/module.h:9, from /kisskb/src/drivers/net/ethernet/freescale/fs_enet/mac-scc.c:15: /kisskb/src/drivers/net/ethernet/freescale/fs_enet/mac-scc.c: In function 'allocate_bd': /kisskb/src/include/linux/err.h:22:49: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] #define IS_ERR_VALUE(x) unlikely((unsigned long)(void *)(x) >= (unsigned long)-MAX_ERRNO) ^ /kisskb/src/include/linux/compiler.h:78:42: note: in definition of macro 'unlikely' # define unlikely(x) __builtin_expect(!!(x), 0) ^ /kisskb/src/drivers/net/ethernet/freescale/fs_enet/mac-scc.c:139:6: note: in expansion of macro 'IS_ERR_VALUE' if (IS_ERR_VALUE(fep->ring_mem_addr)) ^~~~~~~~~~~~ /kisskb/src/arch/powerpc/boot/dts/fsl/mpc8555cds.dts:334.3-21: Warning (pci_device_bus_num): /pci@e0008000/i8259@19000:bus-range: PCI bus number 1 out of range, expected (0 - 0) /kisskb/src/arch/powerpc/boot/dts/fsl/mpc8541cds.dts:334.3-21: Warning (pci_device_bus_num): /pci@e0008000/i8259@19000:bus-range: PCI bus number 1 out of range, expected (0 - 0) INFO: Uncompressed kernel (size 0xd8a4b4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xe00000) INFO: Uncompressed kernel (size 0xd8a4b4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xe00000) INFO: Uncompressed kernel (size 0xd8a4b4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xe00000) INFO: Uncompressed kernel (size 0xd8a4b4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xe00000) INFO: Uncompressed kernel (size 0xd8a4b4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xe00000) INFO: Uncompressed kernel (size 0xd8a4b4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xe00000) INFO: Uncompressed kernel (size 0xd8a4b4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xe00000) INFO: Uncompressed kernel (size 0xd8a4b4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xe00000) INFO: Uncompressed kernel (size 0xd8a4b4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xe00000) INFO: Uncompressed kernel (size 0xd8a4b4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xe00000) INFO: Uncompressed kernel (size 0xd8a4b4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xe00000) INFO: Uncompressed kernel (size 0xd8a4b4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xe00000) INFO: Uncompressed kernel (size 0xd8a4b4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xe00000) INFO: Uncompressed kernel (size 0xd8a4b4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xe00000) INFO: Uncompressed kernel (size 0xd8a4b4) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xe00000) INFO: Uncompressed kernel (size 0xd79c80) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xe00000) Image Name: Linux-5.2.0-rc2-ge13e7cd4c0c1 Created: Wed Jun 26 00:50:59 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6342093 Bytes = 6193.45 KiB = 6.05 MiB Load Address: 00000000 Entry Point: 00000000 Image Name: Linux-5.2.0-rc2-ge13e7cd4c0c1 Created: Wed Jun 26 00:50:59 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6377704 Bytes = 6228.23 KiB = 6.08 MiB Load Address: 00e00000 Entry Point: 00e002b4 Image Name: Linux-5.2.0-rc2-ge13e7cd4c0c1 Created: Wed Jun 26 00:50:59 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6377368 Bytes = 6227.90 KiB = 6.08 MiB Load Address: 00e00000 Entry Point: 00e002b4 Image Name: Linux-5.2.0-rc2-ge13e7cd4c0c1 Created: Wed Jun 26 00:50:59 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6377430 Bytes = 6227.96 KiB = 6.08 MiB Load Address: 00e00000 Entry Point: 00e002b4 Image Name: Linux-5.2.0-rc2-ge13e7cd4c0c1 Created: Wed Jun 26 00:50:59 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6377386 Bytes = 6227.92 KiB = 6.08 MiB Load Address: 00e00000 Entry Point: 00e00314 Image Name: Linux-5.2.0-rc2-ge13e7cd4c0c1 Created: Wed Jun 26 00:50:59 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6377473 Bytes = 6228.00 KiB = 6.08 MiB Load Address: 00e00000 Entry Point: 00e00314 Image Name: Linux-5.2.0-rc2-ge13e7cd4c0c1 Created: Wed Jun 26 00:50:59 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6379323 Bytes = 6229.81 KiB = 6.08 MiB Load Address: 00e00000 Entry Point: 00e002b4 Image Name: Linux-5.2.0-rc2-ge13e7cd4c0c1 Created: Wed Jun 26 00:50:59 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6378474 Bytes = 6228.98 KiB = 6.08 MiB Load Address: 00e00000 Entry Point: 00e002b4 Image Name: Linux-5.2.0-rc2-ge13e7cd4c0c1 Created: Wed Jun 26 00:50:59 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6377962 Bytes = 6228.48 KiB = 6.08 MiB Load Address: 00e00000 Entry Point: 00e002b4 Image Name: Linux-5.2.0-rc2-ge13e7cd4c0c1 Created: Wed Jun 26 00:50:59 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6377388 Bytes = 6227.92 KiB = 6.08 MiB Load Address: 00e00000 Entry Point: 00e00314 Image Name: Linux-5.2.0-rc2-ge13e7cd4c0c1 Created: Wed Jun 26 00:50:59 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6379214 Bytes = 6229.70 KiB = 6.08 MiB Load Address: 00e00000 Entry Point: 00e002b4 Image Name: Linux-5.2.0-rc2-ge13e7cd4c0c1 Created: Wed Jun 26 00:50:59 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6377772 Bytes = 6228.29 KiB = 6.08 MiB Load Address: 00e00000 Entry Point: 00e00314 Image Name: Linux-5.2.0-rc2-ge13e7cd4c0c1 Created: Wed Jun 26 00:50:59 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6377702 Bytes = 6228.22 KiB = 6.08 MiB Load Address: 00e00000 Entry Point: 00e002b4 Image Name: Linux-5.2.0-rc2-ge13e7cd4c0c1 Created: Wed Jun 26 00:50:59 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6380258 Bytes = 6230.72 KiB = 6.08 MiB Load Address: 00e00000 Entry Point: 00e002b4 Image Name: Linux-5.2.0-rc2-ge13e7cd4c0c1 Created: Wed Jun 26 00:50:59 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6380339 Bytes = 6230.80 KiB = 6.08 MiB Load Address: 00e00000 Entry Point: 00e002b4 Image Name: Linux-5.2.0-rc2-ge13e7cd4c0c1 Created: Wed Jun 26 00:51:00 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 6377973 Bytes = 6228.49 KiB = 6.08 MiB Load Address: 00e00000 Entry Point: 00e00314 Completed OK # rm -rf /kisskb/build/powerpc-fixes_mpc85xx_defconfig+KVM_powerpc-gcc8 # Build took: 0:02:29.512290