# git rev-parse -q --verify 039936ff8e5da48c7f91ededdd3b6d38c8739452^{commit} 039936ff8e5da48c7f91ededdd3b6d38c8739452 already have revision, skipping fetch # git checkout -q -f -B kisskb 039936ff8e5da48c7f91ededdd3b6d38c8739452 # git clean -qxdf # < git log -1 # commit 039936ff8e5da48c7f91ededdd3b6d38c8739452 # Author: David Wang <00107082@163.com> # Date: Sat Nov 9 00:23:27 2024 +0800 # # powerpc/irq: use seq_put_decimal_ull_width() for decimal values # # On a system with n CPUs and m interrupts, there will be n*m decimal # values yielded via seq_printf(.."%10u "..) which is less efficient # than seq_put_decimal_ull_width(), stress reading /proc/interrupts # indicates ~30% performance improvement with this patch. # # Signed-off-by: David Wang <00107082@163.com> # [mpe: Flesh out change log based on original submission] # Signed-off-by: Michael Ellerman # Link: https://lore.kernel.org/all/20241103080552.4787-1-00107082@163.com # Link: https://patch.msgid.link/20241108162327.9887-1-00107082@163.com # < /opt/cross/kisskb/korg/gcc-13.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-13.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux-ld --version # < git log --format=%s --max-count=1 039936ff8e5da48c7f91ededdd3b6d38c8739452 # make -s -j 40 ARCH=powerpc O=/kisskb/build/powerpc-next_85xx_ge_imp3a_defconfig_powerpc-gcc13 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-13.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux- 85xx/ge_imp3a_defconfig # < make -s -j 40 ARCH=powerpc O=/kisskb/build/powerpc-next_85xx_ge_imp3a_defconfig_powerpc-gcc13 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-13.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux- help # make -s -j 40 ARCH=powerpc O=/kisskb/build/powerpc-next_85xx_ge_imp3a_defconfig_powerpc-gcc13 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-13.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux- olddefconfig # make -s -j 40 ARCH=powerpc O=/kisskb/build/powerpc-next_85xx_ge_imp3a_defconfig_powerpc-gcc13 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-13.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux- /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); | ^~~~~~~~~~~~~~ Completed OK # rm -rf /kisskb/build/powerpc-next_85xx_ge_imp3a_defconfig_powerpc-gcc13 # Build took: 0:00:56.086236