Buildresult: powerpc-next/corenet64_smp_defconfig+KVM/powerpc-gcc4.6 built on Apr 4 2020, 00:30

kisskb

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Status:	OK
Date/Time:	Apr 4 2020, 00:30
Duration:	0:02:22.619934
Builder:	blade46
Revision:	Revert "powerpc/64: irq_work avoid interrupt when called with hardware irqs enabled" (`abc3fce76adbdfa8f87272c784b388cd20b46049)`
Target:	powerpc-next/corenet64_smp_defconfig+KVM/powerpc-gcc4.6
Branch:	powerpc-next
Compiler:	powerpc-gcc4.6 (powerpc-linux-gcc (GCC) 4.6.3 / GNU ld (GNU Binutils) 2.22)
Config:	corenet64_smp_defconfig+KVM (download)
Log:	Download original Possible warnings (13) .config:4074:warning: override: reassigning to symbol VIRTUALIZATION include/linux/list.h:72:12: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized] fs/ext4/extents.c:5009:23: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] mm/hugetlb.c:1426:5: warning: 'page' may be used uninitialized in this function [-Wuninitialized] kernel/printk/printk.c:204:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] fs/udf/unicode.c:132:8: warning: 'c' may be used uninitialized in this function [-Wuninitialized] drivers/tty/serial/8250/8250_core.c:248:18: warning: 'i' may be used uninitialized in this function [-Wuninitialized] fs/io_uring.c:5824:13: warning: 'err' may be used uninitialized in this function [-Wuninitialized] drivers/base/regmap/regmap.c:2598:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] drivers/base/regmap/regmap.c:1859:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] kernel/trace/trace_events.c:2040:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] drivers/usb/core/devio.c:625:23: warning: 'errno' may be used uninitialized in this function [-Wuninitialized] WARNING: vmlinux.o (.PPC.EMB.apuinfo): unexpected non-allocatable section. Full Log # git rev-parse -q --verify abc3fce76adbdfa8f87272c784b388cd20b46049^{commit} abc3fce76adbdfa8f87272c784b388cd20b46049 already have revision, skipping fetch # git checkout -q -f -B kisskb abc3fce76adbdfa8f87272c784b388cd20b46049 # git clean -qxdf # < git log -1 # commit abc3fce76adbdfa8f87272c784b388cd20b46049 # Author: Nicholas Piggin <npiggin@gmail.com> # Date: Thu Apr 2 22:04:01 2020 +1000 # # Revert "powerpc/64: irq_work avoid interrupt when called with hardware irqs enabled" # # This reverts commit ebb37cf3ffd39fdb6ec5b07111f8bb2f11d92c5f. # # That commit does not play well with soft-masked irq state # manipulations in idle, interrupt replay, and possibly others due to # tracing code sometimes using irq_work_queue (e.g., in # trace_hardirqs_on()). That can cause PACA_IRQ_DEC to become set when # it is not expected, and be ignored or cleared or cause warnings. # # The net result seems to be missing an irq_work until the next timer # interrupt in the worst case which is usually not going to be noticed, # however it could be a long time if the tick is disabled, which is # against the spirit of irq_work and might cause real problems. # # The idea is still solid, but it would need more work. It's not really # clear if it would be worth added complexity, so revert this for # now (not a straight revert, but replace with a comment explaining why # we might see interrupts happening, and gives git blame something to # find). # # Fixes: ebb37cf3ffd3 ("powerpc/64: irq_work avoid interrupt when called with hardware irqs enabled") # Signed-off-by: Nicholas Piggin <npiggin@gmail.com> # Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> # Link: https://lore.kernel.org/r/20200402120401.1115883-1-npiggin@gmail.com # < /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 abc3fce76adbdfa8f87272c784b388cd20b46049 # < make -s -j 32 ARCH=powerpc O=/kisskb/build/powerpc-next_corenet64_smp_defconfig+KVM_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- corenet64_smp_defconfig # Added to kconfig CONFIG_KVM_E500MC=y # Added to kconfig CONFIG_VIRTUALIZATION=y # Added to kconfig CONFIG_KVM_MPIC=y # < make -s -j 32 ARCH=powerpc O=/kisskb/build/powerpc-next_corenet64_smp_defconfig+KVM_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- help # make -s -j 32 ARCH=powerpc O=/kisskb/build/powerpc-next_corenet64_smp_defconfig+KVM_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- olddefconfig .config:4074:warning: override: reassigning to symbol VIRTUALIZATION # make -s -j 32 ARCH=powerpc O=/kisskb/build/powerpc-next_corenet64_smp_defconfig+KVM_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- /kisskb/src/fs/proc/inode.c: In function 'proc_reg_open': /kisskb/src/include/linux/list.h:72:12: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/proc/inode.c:338:21: note: 'pdeo' was declared here /kisskb/src/fs/ext4/extents.c: In function 'ext4_convert_unwritten_io_end_vec': /kisskb/src/fs/ext4/extents.c:5009:23: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/mm/hugetlb.c: In function 'alloc_pool_huge_page': /kisskb/src/mm/hugetlb.c:1426:5: warning: 'page' 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:204:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] /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/drivers/tty/serial/8250/8250_core.c: In function 'univ8250_release_irq': /kisskb/src/drivers/tty/serial/8250/8250_core.c:248:18: warning: 'i' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/tty/serial/8250/8250_core.c:228:19: note: 'i' was declared here /kisskb/src/fs/io_uring.c: In function '__io_sqe_files_update': /kisskb/src/fs/io_uring.c:5824:13: warning: 'err' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/base/regmap/regmap.c: In function 'regmap_raw_read': /kisskb/src/drivers/base/regmap/regmap.c:2598:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/base/regmap/regmap.c: In function '_regmap_raw_write': /kisskb/src/drivers/base/regmap/regmap.c:1859:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/trace/trace_events.c: In function 'event_create_dir': /kisskb/src/kernel/trace/trace_events.c:2040:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/usb/core/devio.c: In function 'async_completed': /kisskb/src/drivers/usb/core/devio.c:625:23: warning: 'errno' 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 <linux/init.h> contains section definitions for use in .S files. INFO: Uncompressed kernel (size 0x10fb330) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x1100000) Image Name: Linux-5.6.0-rc2-gabc3fce76adb Created: Sat Apr 4 00:33:08 2020 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 7104447 Bytes = 6937.94 KiB = 6.78 MiB Load Address: 00000000 Entry Point: 00000000 Completed OK # rm -rf /kisskb/build/powerpc-next_corenet64_smp_defconfig+KVM_powerpc-gcc4.6 # Build took: 0:02:22.619934

© Michael Ellerman 2006-2018.