Buildresult: powerpc-fixes/mvme5100_defconfig/powerpc-gcc4.6 built on Aug 2 2018, 01:44
kisskb
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Status:
OK
Date/Time:
Aug 2 2018, 01:44
Duration:
0:00:17.820955
Builder:
ka4
Revision:
powerpc/64s/radix: Fix missing global invalidations when removing copro (
cca19f0b684f4ed6aabf6ad07ae3e15e77bfd78a)
Target:
powerpc-fixes/mvme5100_defconfig/powerpc-gcc4.6
Branch:
powerpc-fixes
Compiler:
powerpc-gcc4.6
(powerpc-linux-gcc (GCC) 4.6.3)
Config:
mvme5100_defconfig
(
download
)
Log:
Download original
Possible warnings (11)
ipc/shm.c:1648:59: warning: 'file' may be used uninitialized in this function [-Wuninitialized] kernel/printk/printk.c:183:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] net/core/gen_stats.c:149:19: warning: 'seq' may be used uninitialized in this function [-Wuninitialized] drivers/tty/serial/8250/8250_core.c:246:2: warning: 'i' may be used uninitialized in this function [-Wuninitialized] net/core/flow_dissector.c:789:7: warning: 'vlan' may be used uninitialized in this function [-Wuninitialized] include/linux/list.h:65:12: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized] fs/udf/unicode.c:132:8: warning: 'c' may be used uninitialized in this function [-Wuninitialized] lib/rhashtable.c:269:2: warning: 'next' may be used uninitialized in this function [-Wuninitialized] net/core/dev.c:3161:15: warning: 'tail' may be used uninitialized in this function [-Wuninitialized] drivers/net/tun.c:1835:30: warning: 'copylen' may be used uninitialized in this function [-Wuninitialized] drivers/net/tun.c:1545:31: warning: 'linear' may be used uninitialized in this function [-Wuninitialized]
Full Log
# git rev-parse -q --verify cca19f0b684f4ed6aabf6ad07ae3e15e77bfd78a^{commit} cca19f0b684f4ed6aabf6ad07ae3e15e77bfd78a already have revision, skipping fetch # git checkout -q -f -B kisskb cca19f0b684f4ed6aabf6ad07ae3e15e77bfd78a # git clean -qxdf # < git log -1 # commit cca19f0b684f4ed6aabf6ad07ae3e15e77bfd78a # Author: Frederic Barrat <fbarrat@linux.ibm.com> # Date: Tue Jul 31 15:24:52 2018 +0200 # # powerpc/64s/radix: Fix missing global invalidations when removing copro # # With the optimizations for TLB invalidation from commit 0cef77c7798a # ("powerpc/64s/radix: flush remote CPUs out of single-threaded # mm_cpumask"), the scope of a TLBI (global vs. local) can now be # influenced by the value of the 'copros' counter of the memory context. # # When calling mm_context_remove_copro(), the 'copros' counter is # decremented first before flushing. It may have the unintended side # effect of sending local TLBIs when we explicitly need global # invalidations in this case. Thus breaking any nMMU user in a bad and # unpredictable way. # # Fix it by flushing first, before updating the 'copros' counter, so # that invalidations will be global. # # Fixes: 0cef77c7798a ("powerpc/64s/radix: flush remote CPUs out of single-threaded mm_cpumask") # Signed-off-by: Frederic Barrat <fbarrat@linux.ibm.com> # Reviewed-by: Nicholas Piggin <npiggin@gmail.com> # Tested-by: Vaibhav Jain <vaibhav@linux.ibm.com> # Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> # < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-gcc --version # < git log --format=%s --max-count=1 cca19f0b684f4ed6aabf6ad07ae3e15e77bfd78a # < make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-fixes_mvme5100_defconfig_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- mvme5100_defconfig # make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-fixes_mvme5100_defconfig_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- /kisskb/src/net/Makefile:24: CC cannot link executables. Skipping bpfilter. /kisskb/src/ipc/shm.c: In function 'ksys_shmdt': /kisskb/src/ipc/shm.c:1648:59: warning: 'file' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/Makefile:24: CC cannot link executables. Skipping bpfilter. /kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl': /kisskb/src/kernel/printk/printk.c:183:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/core/gen_stats.c: In function '__gnet_stats_copy_basic': /kisskb/src/net/core/gen_stats.c:149:19: warning: 'seq' 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:246:2: warning: 'i' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/tty/serial/8250/8250_core.c:231:19: note: 'i' was declared here /kisskb/src/net/core/flow_dissector.c: In function '__skb_flow_dissect': /kisskb/src/net/core/flow_dissector.c:789:7: warning: 'vlan' may be used uninitialized in this function [-Wuninitialized] /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/lib/rhashtable.c: In function 'rht_deferred_worker': /kisskb/src/lib/rhashtable.c:269:2: warning: 'next' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/lib/rhashtable.c:234:28: note: 'next' was declared here /kisskb/src/net/core/dev.c: In function 'validate_xmit_skb_list': /kisskb/src/net/core/dev.c:3161:15: warning: 'tail' 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:1835:30: warning: 'copylen' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/tun.c:1545:31: warning: 'linear' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/tun.c:1745:46: note: 'linear' was declared here INFO: Uncompressed kernel (size 0x411ff8) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x500000) Completed OK # rm -rf /kisskb/build/powerpc-fixes_mvme5100_defconfig_powerpc # Build took: 0:00:17.820955
© Michael Ellerman 2006-2018.