Buildresult: linus/sh-defconfig/sh4-gcc13 built on Jul 30, 06:55

kisskb

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Status:	OK
Date/Time:	Jul 30, 06:55
Duration:	0:00:58.270601
Builder:	alpine2
Revision:	profiling: attempt to remove per-cpu profile flip buffer (`2accfdb7eff65f390c4308b0e9cb7c3fe48ad63c)`
Target:	linus/sh-defconfig/sh4-gcc13
Branch:	linus
Compiler:	sh4-gcc13 (sh4-linux-gcc (GCC) 13.1.0 / GNU ld (GNU Binutils) 2.40)
Config:	defconfig (download)
Log:	Download original Possible warnings (18) <stdin>:1519:2: warning: #warning syscall clone3 not implemented [-Wcpp] kernel/locking/spinlock.c:68:17: warning: no previous prototype for '__raw_spin_lock' [-Wmissing-prototypes] kernel/locking/spinlock.c:80:26: warning: no previous prototype for '__raw_spin_lock_irqsave' [-Wmissing-prototypes] kernel/locking/spinlock.c:98:17: warning: no previous prototype for '__raw_spin_lock_irq' [-Wmissing-prototypes] kernel/locking/spinlock.c:103:17: warning: no previous prototype for '__raw_spin_lock_bh' [-Wmissing-prototypes] kernel/locking/spinlock.c:68:17: warning: no previous prototype for '__raw_read_lock' [-Wmissing-prototypes] kernel/locking/spinlock.c:80:26: warning: no previous prototype for '__raw_read_lock_irqsave' [-Wmissing-prototypes] kernel/locking/spinlock.c:98:17: warning: no previous prototype for '__raw_read_lock_irq' [-Wmissing-prototypes] kernel/locking/spinlock.c:103:17: warning: no previous prototype for '__raw_read_lock_bh' [-Wmissing-prototypes] kernel/locking/spinlock.c:68:17: warning: no previous prototype for '__raw_write_lock' [-Wmissing-prototypes] kernel/locking/spinlock.c:80:26: warning: no previous prototype for '__raw_write_lock_irqsave' [-Wmissing-prototypes] kernel/locking/spinlock.c:98:17: warning: no previous prototype for '__raw_write_lock_irq' [-Wmissing-prototypes] kernel/locking/spinlock.c:103:17: warning: no previous prototype for '__raw_write_lock_bh' [-Wmissing-prototypes] kernel/fork.c:3072:2: warning: #warning clone3() entry point is missing, please fix [-Wcpp] 3072 \| #warning clone3() entry point is missing, please fix fs/ext4/readpage.c:391:1: warning: the frame size of 1120 bytes is larger than 1024 bytes [-Wframe-larger-than=] kernel/profile.c:52:28: warning: 'cpu_profile_flip' defined but not used [-Wunused-variable] kernel/profile.c:51:48: warning: 'cpu_profile_hits' defined but not used [-Wunused-variable] Full Log # git rev-parse -q --verify 2accfdb7eff65f390c4308b0e9cb7c3fe48ad63c^{commit} 2accfdb7eff65f390c4308b0e9cb7c3fe48ad63c already have revision, skipping fetch # git checkout -q -f -B kisskb 2accfdb7eff65f390c4308b0e9cb7c3fe48ad63c # git clean -qxdf # < git log -1 # commit 2accfdb7eff65f390c4308b0e9cb7c3fe48ad63c # Author: Linus Torvalds <torvalds@linux-foundation.org> # Date: Mon Jul 29 10:58:28 2024 -0700 # # profiling: attempt to remove per-cpu profile flip buffer # # This is the really old legacy kernel profiling code, which has long # since been obviated by "real profiling" (ie 'prof' and company), and # mainly remains as a source of syzbot reports. # # There are anecdotal reports that people still use it for boot-time # profiling, but it's unlikely that such use would care about the old NUMA # optimizations in this code from 2004 (commit ad02973d42: "profile: 512x # Altix timer interrupt livelock fix" in the BK import archive at [1]) # # So in order to head off future syzbot reports, let's try to simplify # this code and get rid of the per-cpu profile buffers that are quite a # large portion of the complexity footprint of this thing (including CPU # hotplug callbacks etc). # # It's unlikely anybody will actually notice, or possibly, as Thomas put # it: "Only people who indulge in nostalgia will notice :)". # # That said, if it turns out that this code is actually actively used by # somebody, we can always revert this removal. Thus the "attempt" in the # summary line. # # [ Note: in a small nod to "the profiling code can cause NUMA problems", # this also removes the "increment the last entry in the profiling array # on any unknown hits" logic. That would account any program counter in # a module to that single counter location, and might exacerbate any # NUMA cacheline bouncing issues ] # # Link: https://lore.kernel.org/all/CAHk-=wgs52BxT4Zjmjz8aNvHWKxf5_ThBY4bYL1Y6CTaNL2dTw@mail.gmail.com/ # Link: https://git.kernel.org/pub/scm/linux/kernel/git/tglx/history.git [1] # Cc: Thomas Gleixner <tglx@linutronix.de> # Cc: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp> # Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> # < /opt/cross/kisskb/korg/gcc-13.1.0-nolibc/sh4-linux/bin/sh4-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-13.1.0-nolibc/sh4-linux/bin/sh4-linux-ld --version # < git log --format=%s --max-count=1 2accfdb7eff65f390c4308b0e9cb7c3fe48ad63c # make -s -j 160 ARCH=sh O=/kisskb/build/linus_defconfig_sh4-gcc13 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-13.1.0-nolibc/sh4-linux/bin/sh4-linux- defconfig # < make -s -j 160 ARCH=sh O=/kisskb/build/linus_defconfig_sh4-gcc13 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-13.1.0-nolibc/sh4-linux/bin/sh4-linux- help # make -s -j 160 ARCH=sh O=/kisskb/build/linus_defconfig_sh4-gcc13 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-13.1.0-nolibc/sh4-linux/bin/sh4-linux- olddefconfig # make -s -j 160 ARCH=sh O=/kisskb/build/linus_defconfig_sh4-gcc13 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-13.1.0-nolibc/sh4-linux/bin/sh4-linux- Generating include/generated/machtypes.h <stdin>:1519:2: warning: #warning syscall clone3 not implemented [-Wcpp] /kisskb/src/kernel/locking/spinlock.c:68:17: warning: no previous prototype for '__raw_spin_lock' [-Wmissing-prototypes] 68 \| void __lockfunc __raw_##op##_lock(locktype##_t lock) \ \| ^~~~~~ /kisskb/src/kernel/locking/spinlock.c:126:1: note: in expansion of macro 'BUILD_LOCK_OPS' 126 \| BUILD_LOCK_OPS(spin, raw_spinlock); \| ^~~~~~~~~~~~~~ /kisskb/src/kernel/locking/spinlock.c:80:26: warning: no previous prototype for '__raw_spin_lock_irqsave' [-Wmissing-prototypes] 80 \| unsigned long __lockfunc __raw_##op##_lock_irqsave(locktype##_t lock) \ \| ^~~~~~ /kisskb/src/kernel/locking/spinlock.c:126:1: note: in expansion of macro 'BUILD_LOCK_OPS' 126 \| BUILD_LOCK_OPS(spin, raw_spinlock); \| ^~~~~~~~~~~~~~ /kisskb/src/kernel/locking/spinlock.c:98:17: warning: no previous prototype for '__raw_spin_lock_irq' [-Wmissing-prototypes] 98 \| void __lockfunc __raw_##op##_lock_irq(locktype##_t lock) \ \| ^~~~~~ /kisskb/src/kernel/locking/spinlock.c:126:1: note: in expansion of macro 'BUILD_LOCK_OPS' 126 \| BUILD_LOCK_OPS(spin, raw_spinlock); \| ^~~~~~~~~~~~~~ /kisskb/src/kernel/locking/spinlock.c:103:17: warning: no previous prototype for '__raw_spin_lock_bh' [-Wmissing-prototypes] 103 \| void __lockfunc __raw_##op##_lock_bh(locktype##_t lock) \ \| ^~~~~~ /kisskb/src/kernel/locking/spinlock.c:126:1: note: in expansion of macro 'BUILD_LOCK_OPS' 126 \| BUILD_LOCK_OPS(spin, raw_spinlock); \| ^~~~~~~~~~~~~~ /kisskb/src/kernel/locking/spinlock.c:68:17: warning: no previous prototype for '__raw_read_lock' [-Wmissing-prototypes] 68 \| void __lockfunc __raw_##op##_lock(locktype##_t lock) \ \| ^~~~~~ /kisskb/src/kernel/locking/spinlock.c:129:1: note: in expansion of macro 'BUILD_LOCK_OPS' 129 \| BUILD_LOCK_OPS(read, rwlock); \| ^~~~~~~~~~~~~~ /kisskb/src/kernel/locking/spinlock.c:80:26: warning: no previous prototype for '__raw_read_lock_irqsave' [-Wmissing-prototypes] 80 \| unsigned long __lockfunc __raw_##op##_lock_irqsave(locktype##_t lock) \ \| ^~~~~~ /kisskb/src/kernel/locking/spinlock.c:129:1: note: in expansion of macro 'BUILD_LOCK_OPS' 129 \| BUILD_LOCK_OPS(read, rwlock); \| ^~~~~~~~~~~~~~ /kisskb/src/kernel/locking/spinlock.c:98:17: warning: no previous prototype for '__raw_read_lock_irq' [-Wmissing-prototypes] 98 \| void __lockfunc __raw_##op##_lock_irq(locktype##_t lock) \ \| ^~~~~~ /kisskb/src/kernel/locking/spinlock.c:129:1: note: in expansion of macro 'BUILD_LOCK_OPS' 129 \| BUILD_LOCK_OPS(read, rwlock); \| ^~~~~~~~~~~~~~ /kisskb/src/kernel/locking/spinlock.c:103:17: warning: no previous prototype for '__raw_read_lock_bh' [-Wmissing-prototypes] 103 \| void __lockfunc __raw_##op##_lock_bh(locktype##_t lock) \ \| ^~~~~~ /kisskb/src/kernel/locking/spinlock.c:129:1: note: in expansion of macro 'BUILD_LOCK_OPS' 129 \| BUILD_LOCK_OPS(read, rwlock); \| ^~~~~~~~~~~~~~ /kisskb/src/kernel/locking/spinlock.c:68:17: warning: no previous prototype for '__raw_write_lock' [-Wmissing-prototypes] 68 \| void __lockfunc __raw_##op##_lock(locktype##_t lock) \ \| ^~~~~~ /kisskb/src/kernel/locking/spinlock.c:130:1: note: in expansion of macro 'BUILD_LOCK_OPS' 130 \| BUILD_LOCK_OPS(write, rwlock); \| ^~~~~~~~~~~~~~ /kisskb/src/kernel/locking/spinlock.c:80:26: warning: no previous prototype for '__raw_write_lock_irqsave' [-Wmissing-prototypes] 80 \| unsigned long __lockfunc __raw_##op##_lock_irqsave(locktype##_t lock) \ \| ^~~~~~ /kisskb/src/kernel/locking/spinlock.c:130:1: note: in expansion of macro 'BUILD_LOCK_OPS' 130 \| BUILD_LOCK_OPS(write, rwlock); \| ^~~~~~~~~~~~~~ /kisskb/src/kernel/locking/spinlock.c:98:17: warning: no previous prototype for '__raw_write_lock_irq' [-Wmissing-prototypes] 98 \| void __lockfunc __raw_##op##_lock_irq(locktype##_t lock) \ \| ^~~~~~ /kisskb/src/kernel/locking/spinlock.c:130:1: note: in expansion of macro 'BUILD_LOCK_OPS' 130 \| BUILD_LOCK_OPS(write, rwlock); \| ^~~~~~~~~~~~~~ /kisskb/src/kernel/locking/spinlock.c:103:17: warning: no previous prototype for '__raw_write_lock_bh' [-Wmissing-prototypes] 103 \| void __lockfunc __raw_##op##_lock_bh(locktype##_t lock) \ \| ^~~~~~ /kisskb/src/kernel/locking/spinlock.c:130:1: note: in expansion of macro 'BUILD_LOCK_OPS' 130 \| BUILD_LOCK_OPS(write, rwlock); \| ^~~~~~~~~~~~~~ /kisskb/src/kernel/fork.c: In function '__do_sys_clone3': /kisskb/src/kernel/fork.c:3072:2: warning: #warning clone3() entry point is missing, please fix [-Wcpp] 3072 \| #warning clone3() entry point is missing, please fix \| ^~~~~~~ /kisskb/src/fs/ext4/readpage.c: In function 'ext4_mpage_readpages': /kisskb/src/fs/ext4/readpage.c:391:1: warning: the frame size of 1120 bytes is larger than 1024 bytes [-Wframe-larger-than=] 391 \| } \| ^ In file included from /kisskb/src/include/asm-generic/percpu.h:7, from ./arch/sh/include/generated/asm/percpu.h:1, from /kisskb/src/include/linux/irqflags.h:19, from /kisskb/src/include/asm-generic/cmpxchg-local.h:6, from /kisskb/src/arch/sh/include/asm/cmpxchg.h:74, from /kisskb/src/arch/sh/include/asm/atomic.h:19, from /kisskb/src/include/linux/atomic.h:7, from /kisskb/src/include/asm-generic/bitops/lock.h:5, from /kisskb/src/arch/sh/include/asm/bitops.h:63, from /kisskb/src/include/linux/bitops.h:68, from /kisskb/src/include/linux/kernel.h:23, from /kisskb/src/include/linux/profile.h:5, from /kisskb/src/kernel/profile.c:19: /kisskb/src/kernel/profile.c:52:28: warning: 'cpu_profile_flip' defined but not used [-Wunused-variable] 52 \| static DEFINE_PER_CPU(int, cpu_profile_flip); \| ^~~~~~~~~~~~~~~~ /kisskb/src/include/linux/percpu-defs.h:104:44: note: in definition of macro 'DEFINE_PER_CPU_SECTION' 104 \| __PCPU_ATTRS(sec) __typeof__(type) name \| ^~~~ /kisskb/src/kernel/profile.c:52:8: note: in expansion of macro 'DEFINE_PER_CPU' 52 \| static DEFINE_PER_CPU(int, cpu_profile_flip); \| ^~~~~~~~~~~~~~ /kisskb/src/kernel/profile.c:51:48: warning: 'cpu_profile_hits' defined but not used [-Wunused-variable] 51 \| static DEFINE_PER_CPU(struct profile_hit [2], cpu_profile_hits); \| ^~~~~~~~~~~~~~~~ /kisskb/src/include/linux/percpu-defs.h:104:44: note: in definition of macro 'DEFINE_PER_CPU_SECTION' 104 \| __PCPU_ATTRS(sec) __typeof__(type) name \| ^~~~ /kisskb/src/kernel/profile.c:51:8: note: in expansion of macro 'DEFINE_PER_CPU' 51 \| static DEFINE_PER_CPU(struct profile_hit [2], cpu_profile_hits); \| ^~~~~~~~~~~~~~ Kernel: arch/sh/boot/zImage is ready Completed OK # rm -rf /kisskb/build/linus_defconfig_sh4-gcc13 # Build took: 0:00:58.270601

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