# git rev-parse -q --verify 41a808618879dc28fb0a94b08db4b55790eb7827^{commit} 41a808618879dc28fb0a94b08db4b55790eb7827 already have revision, skipping fetch # git checkout -q -f -B kisskb 41a808618879dc28fb0a94b08db4b55790eb7827 # git clean -qxdf # < git log -1 # commit 41a808618879dc28fb0a94b08db4b55790eb7827 # Author: Alexey Kardashevskiy # Date: Tue May 7 16:25:59 2019 +1000 # # powerpc/pseries/dma: Enable SWIOTLB # # So far the pseries platforms has always been using IOMMU making # SWIOTLB unnecessary. Now we want secure guests which means devices can # only access certain areas of guest physical memory; we are going to # use SWIOTLB for this purpose. # # This allows SWIOTLB for pseries. By default there is no change in # behavior. # # This enables SWIOTLB when the "swiotlb" kernel parameter is set to # "force". # # With the SWIOTLB enabled, the kernel creates a directly mapped DMA # window (using the usual DDW mechanism) and implements SWIOTLB on top # of that. # # Signed-off-by: Alexey Kardashevskiy # 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 41a808618879dc28fb0a94b08db4b55790eb7827 # < make -s -j 24 ARCH=powerpc O=/kisskb/build/powerpc-next-rand_powerpc-randconfig_powerpc-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux- randconfig KCONFIG_SEED=0xA1073A1A # Added to kconfig CONFIG_STANDALONE=y # Added to kconfig CONFIG_BUILD_DOCSRC=n # Added to kconfig CONFIG_MODULE_SIG=n # Added to kconfig CONFIG_CPU_BIG_ENDIAN=y # Added to kconfig CONFIG_PPC64=y # Added to kconfig CONFIG_PPC_DISABLE_WERROR=y # Added to kconfig CONFIG_SECTION_MISMATCH_WARN_ONLY=y # Added to kconfig CONFIG_PREVENT_FIRMWARE_BUILD=y # Added to kconfig CONFIG_CC_STACKPROTECTOR_STRONG=n # Added to kconfig CONFIG_GCC_PLUGINS=n # Added to kconfig CONFIG_LD_HEAD_STUB_CATCH=y # Added to kconfig CONFIG_TRIM_UNUSED_KSYMS=n # Added to kconfig CONFIG_UBSAN=n # yes \n | make -s -j 24 ARCH=powerpc O=/kisskb/build/powerpc-next-rand_powerpc-randconfig_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 24 ARCH=powerpc O=/kisskb/build/powerpc-next-rand_powerpc-randconfig_powerpc-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux- /kisskb/src/kernel/locking/lockdep.c:2821:13: warning: 'print_lock_trace' defined but not used [-Wunused-function] static void print_lock_trace(struct lock_trace *trace, unsigned int spaces) ^~~~~~~~~~~~~~~~ /kisskb/src/drivers/hwtracing/intel_th/msu.c: In function 'msc_buffer_win_alloc': /kisskb/src/drivers/hwtracing/intel_th/msu.c:783:21: warning: unused variable 'i' [-Wunused-variable] int ret = -ENOMEM, i; ^ /kisskb/src/drivers/hwtracing/intel_th/msu.c: In function 'msc_buffer_win_free': /kisskb/src/drivers/hwtracing/intel_th/msu.c:863:6: warning: unused variable 'i' [-Wunused-variable] int i; ^ /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux-ld: warning: orphan section `.gnu.hash' from `linker stubs' being placed in section `.gnu.hash'. /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux-ld: warning: orphan section `.gnu.hash' from `linker stubs' being placed in section `.gnu.hash'. /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux-ld: warning: orphan section `.gnu.hash' from `linker stubs' being placed in section `.gnu.hash'. WARNING: 4 bad relocations c000000000021aea R_PPC64_ADDR16_HIGHEST .head.text+0x0000000000021b04 c000000000021aee R_PPC64_ADDR16_HIGHER .head.text+0x0000000000021b04 c000000000021af6 R_PPC64_ADDR16_HIGH .head.text+0x0000000000021b04 c000000000021afa R_PPC64_ADDR16_LO .head.text+0x0000000000021b04 ERROR: ".uio_unregister_device" [drivers/staging/kpc2000/kpc2000/kpc2000.ko] undefined! ERROR: ".__uio_register_device" [drivers/staging/kpc2000/kpc2000/kpc2000.ko] undefined! make[2]: *** [/kisskb/src/scripts/Makefile.modpost:91: __modpost] Error 1 make[1]: *** [/kisskb/src/Makefile:1290: modules] Error 2 make[1]: *** Waiting for unfinished jobs.... INFO: Uncompressed kernel (size 0x1e50010) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x1f00000) Image Name: Linux-5.2.0-rc2+ Created: Tue Jul 2 02:11:46 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 14158899 Bytes = 13827.05 KiB = 13.50 MiB Load Address: 00000000 Entry Point: 00000000 make: *** [Makefile:179: sub-make] Error 2 Command 'make -s -j 24 ARCH=powerpc O=/kisskb/build/powerpc-next-rand_powerpc-randconfig_powerpc-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux- ' returned non-zero exit status 2 # rm -rf /kisskb/build/powerpc-next-rand_powerpc-randconfig_powerpc-gcc8 # Build took: 0:05:07.996394