Buildresult: linus/pseries_le_defconfig+NO_SPLPAR/powerpc-gcc5 built on Apr 9 2020, 03:49

kisskb

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Status:	OK
Date/Time:	Apr 9 2020, 03:49
Duration:	0:03:14.541836
Builder:	blade46
Revision:	mm/gup: Let __get_user_pages_locked() return -EINTR for fatal signal (`ae46d2aa6a7fbe8ca0946f24b061b6ccdc6c3f25)`
Target:	linus/pseries_le_defconfig+NO_SPLPAR/powerpc-gcc5
Branch:	linus
Compiler:	powerpc-gcc5 (powerpc64-linux-gcc (GCC) 5.5.0 / GNU ld (GNU Binutils) 2.29.1.20170915)
Config:	pseries_le_defconfig+NO_SPLPAR (download)
Log:	Download original Possible warnings (5) kernel/trace/ftrace.c:7166:6: warning: 'seq_ops' may be used uninitialized in this function [-Wmaybe-uninitialized] kernel/trace/ftrace.c:7244:8: warning: 'filtered_pids' may be used uninitialized in this function [-Wmaybe-uninitialized] kernel/trace/ftrace.c:7261:22: warning: 'other_pids' may be used uninitialized in this function [-Wmaybe-uninitialized] WARNING: modpost: vmlinux.o(.text.unlikely+0x2b0): Section mismatch in reference from the function early_init_mmu() to the function .init.text:radix__early_init_mmu() WARNING: modpost: vmlinux.o(.text.unlikely+0x2bc): Section mismatch in reference from the function early_init_mmu() to the function .init.text:hash__early_init_mmu() Full Log # git rev-parse -q --verify ae46d2aa6a7fbe8ca0946f24b061b6ccdc6c3f25^{commit} ae46d2aa6a7fbe8ca0946f24b061b6ccdc6c3f25 already have revision, skipping fetch # git checkout -q -f -B kisskb ae46d2aa6a7fbe8ca0946f24b061b6ccdc6c3f25 # git clean -qxdf # < git log -1 # commit ae46d2aa6a7fbe8ca0946f24b061b6ccdc6c3f25 # Author: Hillf Danton <hdanton@sina.com> # Date: Wed Apr 8 11:59:24 2020 -0400 # # mm/gup: Let __get_user_pages_locked() return -EINTR for fatal signal # # __get_user_pages_locked() will return 0 instead of -EINTR after commit # 4426e945df588 ("mm/gup: allow VM_FAULT_RETRY for multiple times") which # added extra code to allow gup detect fatal signal faster. # # Restore the original -EINTR behavior. # # Cc: Andrew Morton <akpm@linux-foundation.org> # Cc: Thomas Gleixner <tglx@linutronix.de> # Cc: Peter Zijlstra <peterz@infradead.org> # Fixes: 4426e945df58 ("mm/gup: allow VM_FAULT_RETRY for multiple times") # Reported-by: syzbot+3be1a33f04dc782e9fd5@syzkaller.appspotmail.com # Signed-off-by: Hillf Danton <hdanton@sina.com> # Acked-by: Michal Hocko <mhocko@suse.com> # Signed-off-by: Peter Xu <peterx@redhat.com> # Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> # < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-ld --version # < git log --format=%s --max-count=1 ae46d2aa6a7fbe8ca0946f24b061b6ccdc6c3f25 # < make -s -j 32 ARCH=powerpc O=/kisskb/build/linus_pseries_le_defconfig+NO_SPLPAR_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- pseries_le_defconfig # Added to kconfig CONFIG_PPC_SPLPAR=n # < make -s -j 32 ARCH=powerpc O=/kisskb/build/linus_pseries_le_defconfig+NO_SPLPAR_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- help # make -s -j 32 ARCH=powerpc O=/kisskb/build/linus_pseries_le_defconfig+NO_SPLPAR_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- olddefconfig # make -s -j 32 ARCH=powerpc O=/kisskb/build/linus_pseries_le_defconfig+NO_SPLPAR_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- /kisskb/src/kernel/trace/ftrace.c: In function 'pid_open': /kisskb/src/kernel/trace/ftrace.c:7166:6: warning: 'seq_ops' may be used uninitialized in this function [-Wmaybe-uninitialized] ret = seq_open(file, seq_ops); ^ /kisskb/src/kernel/trace/ftrace.c: In function 'pid_write': /kisskb/src/kernel/trace/ftrace.c:7244:8: warning: 'filtered_pids' may be used uninitialized in this function [-Wmaybe-uninitialized] ret = trace_pid_write(filtered_pids, &pid_list, ubuf, cnt); ^ /kisskb/src/kernel/trace/ftrace.c:7261:22: warning: 'other_pids' may be used uninitialized in this function [-Wmaybe-uninitialized] } else if (pid_list && !other_pids) { ^ WARNING: modpost: vmlinux.o(.text.unlikely+0x2b0): Section mismatch in reference from the function early_init_mmu() to the function .init.text:radix__early_init_mmu() The function early_init_mmu() references the function __init radix__early_init_mmu(). This is often because early_init_mmu lacks a __init annotation or the annotation of radix__early_init_mmu is wrong. WARNING: modpost: vmlinux.o(.text.unlikely+0x2bc): Section mismatch in reference from the function early_init_mmu() to the function .init.text:hash__early_init_mmu() The function early_init_mmu() references the function __init hash__early_init_mmu(). This is often because early_init_mmu lacks a __init annotation or the annotation of hash__early_init_mmu is wrong. Completed OK # rm -rf /kisskb/build/linus_pseries_le_defconfig+NO_SPLPAR_powerpc-gcc5 # Build took: 0:03:14.541836

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