# git rev-parse -q --verify 2b172b47b9a1734fe3bbe23d33336ba829c158fe^{commit} 2b172b47b9a1734fe3bbe23d33336ba829c158fe already have revision, skipping fetch # git checkout -q -f -B kisskb 2b172b47b9a1734fe3bbe23d33336ba829c158fe # git clean -qxdf # < git log -1 # commit 2b172b47b9a1734fe3bbe23d33336ba829c158fe # Author: Alexey Kardashevskiy # Date: Thu Jan 10 14:49:43 2019 +1100 # # powerpc/powernv/npu: Move platform shared code to sysdev # # Initially NPU support was introduced for the powernv platform only, # and later it was extended to pseries so we ended up in a situation when # pseries code calls into arch/powerpc/platforms/powernv which is ugly. # # This moves parts of npu-dma.c required for both powernv and pseries # platforms to sysdev. # # This is mostly cut-n-paste; the only change is: # the pnv_npu2_init_context() helper takes a callback pointer which # returns void but the empty stub for it defines the callback as it # returns a pointer so this fixes it. # # From now on it is possible to build without POWERNV platform enabled and # still have NPU2 support on pseries; currently this fails as: # # arch/powerpc/platforms/pseries/pci.o: In function `pSeries_final_fixup': # /home/aik/p/kernel/arch/powerpc/platforms/pseries/pci.c:267: undefined reference to `pnv_npu2_init' # /home/aik/p/kernel/Makefile==1027== recipe for target 'vmlinux' failed # make[1]: *** [vmlinux] Error 1 # # Signed-off-by: Alexey Kardashevskiy # < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-gcc --version # < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-ld --version # < git log --format=%s --max-count=1 2b172b47b9a1734fe3bbe23d33336ba829c158fe # < make -s -j 80 ARCH=powerpc O=/kisskb/build/aik_ppc64e_defconfig+UP_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- ppc64e_defconfig # Added to kconfig CONFIG_SMP=n # yes \n | make -s -j 80 ARCH=powerpc O=/kisskb/build/aik_ppc64e_defconfig+UP_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- oldconfig yes: standard output: Broken pipe # make -s -j 80 ARCH=powerpc O=/kisskb/build/aik_ppc64e_defconfig+UP_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- /kisskb/src/kernel/cgroup/cgroup-v1.c: In function 'cgroup1_mount': /kisskb/src/kernel/cgroup/cgroup-v1.c:1263:20: warning: 'root' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl': /kisskb/src/kernel/printk/printk.c:186:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/trace/trace_dynevent.c: In function 'create_dyn_event': /kisskb/src/kernel/trace/trace_dynevent.c:89:5: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/bridge/br_netlink.c: In function 'br_afspec.isra.32': /kisskb/src/net/bridge/br_netlink.c:652:7: warning: 'err' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/tty/serial/8250/8250_core.c: In function 'univ8250_release_irq': /kisskb/src/drivers/tty/serial/8250/8250_core.c:247:18: warning: 'i' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/tty/serial/8250/8250_core.c:227:19: note: 'i' was declared here /kisskb/src/fs/proc/inode.c: In function 'proc_reg_open': /kisskb/src/include/linux/list.h:65:12: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/proc/inode.c:339:21: note: 'pdeo' was declared here /kisskb/src/fs/udf/unicode.c: In function 'udf_name_conv_char': /kisskb/src/fs/udf/unicode.c:132:8: warning: 'c' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/nfsd/nfs4xdr.c: In function 'nfsd4_encode_components_esc': /kisskb/src/fs/nfsd/nfs4xdr.c:2076:9: warning: 'str' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/tun.c: In function 'tun_get_user': /kisskb/src/drivers/net/tun.c:1843:30: warning: 'copylen' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/tun.c:1753:46: warning: 'linear' may be used uninitialized in this function [-Wuninitialized] WARNING: vmlinux.o (.PPC.EMB.apuinfo): unexpected non-allocatable section. Did you forget to use "ax"/"aw" in a .S file? Note that for example contains section definitions for use in .S files. INFO: Uncompressed kernel (size 0xb8a478) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0xc00000) Image Name: Linux-4.20.0-g2b172b47b9a1 Created: Fri Jan 11 02:11:01 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 4949158 Bytes = 4833.16 KiB = 4.72 MiB Load Address: 00000000 Entry Point: 00000000 Completed OK # rm -rf /kisskb/build/aik_ppc64e_defconfig+UP_powerpc-gcc4.6 # Build took: 0:01:26.126183