Buildresult: linus/se7750_defconfig/sh4-gcc13 built on Mar 12, 12:38

kisskb

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Status:	OK
Date/Time:	Mar 12, 12:38
Duration:	0:00:39.699105
Builder:	alpine3
Revision:	Merge tag 'timers-core-2024-03-10' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip (`d08c407f715f651e7ea40b3a037be46dd2b11e4c)`
Target:	linus/se7750_defconfig/sh4-gcc13
Branch:	linus
Compiler:	sh4-gcc13 (sh4-linux-gcc (GCC) 13.1.0 / GNU ld (GNU Binutils) 2.40)
Config:	se7750_defconfig (download)
Log:	Download original Possible warnings (18) <stdin>:1519:2: warning: #warning syscall clone3 not implemented [-Wcpp] arch/sh/kernel/cpu/init.c:99:29: warning: no previous prototype for 'l2_cache_init' [-Wmissing-prototypes] arch/sh/mm/flush-sh4.c:106:13: warning: no previous prototype for 'sh4__flush_region_init' [-Wmissing-prototypes] arch/sh/mm/cache-sh4.c:384:13: warning: no previous prototype for 'sh4_cache_init' [-Wmissing-prototypes] arch/sh/kernel/cpu/sh4/fpu.c:389:6: warning: no previous prototype for 'float_raise' [-Wmissing-prototypes] arch/sh/kernel/cpu/sh4/fpu.c:394:5: warning: no previous prototype for 'float_rounding_mode' [-Wmissing-prototypes] arch/sh/mm/pgtable.c:10:6: warning: no previous prototype for 'pgd_ctor' [-Wmissing-prototypes] arch/sh/mm/pgtable.c:32:8: warning: no previous prototype for 'pgd_alloc' [-Wmissing-prototypes] arch/sh/mm/pgtable.c:37:6: warning: no previous prototype for 'pgd_free' [-Wmissing-prototypes] arch/sh/mm/tlbex_32.c:22:1: warning: no previous prototype for 'handle_tlbmiss' [-Wmissing-prototypes] arch/sh/kernel/return_address.c:49:7: warning: no previous prototype for 'return_address' [-Wmissing-prototypes] arch/sh/kernel/sys_sh.c:58:16: warning: no previous prototype for 'sys_cacheflush' [-Wmissing-prototypes] arch/sh/kernel/traps_32.c:735:6: warning: no previous prototype for 'per_cpu_trap_init' [-Wmissing-prototypes] arch/sh/kernel/hw_breakpoint.c:135:5: warning: no previous prototype for 'arch_bp_generic_fields' [-Wmissing-prototypes] arch/sh/boot/compressed/cache.c:2:5: warning: no previous prototype for 'cache_control' [-Wmissing-prototypes] arch/sh/boot/compressed/misc.c:115:6: warning: no previous prototype for 'ftrace_stub' [-Wmissing-prototypes] arch/sh/boot/compressed/misc.c:118:6: warning: no previous prototype for 'arch_ftrace_ops_list_func' [-Wmissing-prototypes] arch/sh/boot/compressed/misc.c:128:6: warning: no previous prototype for 'decompress_kernel' [-Wmissing-prototypes] Full Log # git rev-parse -q --verify d08c407f715f651e7ea40b3a037be46dd2b11e4c^{commit} d08c407f715f651e7ea40b3a037be46dd2b11e4c already have revision, skipping fetch # git checkout -q -f -B kisskb d08c407f715f651e7ea40b3a037be46dd2b11e4c # git clean -qxdf # < git log -1 # commit d08c407f715f651e7ea40b3a037be46dd2b11e4c # Merge: 80a76c60e5f6 8ca1836769d7 # Author: Linus Torvalds <torvalds@linux-foundation.org> # Date: Mon Mar 11 14:38:26 2024 -0700 # # Merge tag 'timers-core-2024-03-10' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip # # Pull timer updates from Thomas Gleixner: # "A large set of updates and features for timers and timekeeping: # # - The hierarchical timer pull model # # When timer wheel timers are armed they are placed into the timer # wheel of a CPU which is likely to be busy at the time of expiry. # This is done to avoid wakeups on potentially idle CPUs. # # This is wrong in several aspects: # # 1) The heuristics to select the target CPU are wrong by # definition as the chance to get the prediction right is # close to zero. # # 2) Due to #1 it is possible that timers are accumulated on # a single target CPU # # 3) The required computation in the enqueue path is just overhead # for dubious value especially under the consideration that the # vast majority of timer wheel timers are either canceled or # rearmed before they expire. # # The timer pull model avoids the above by removing the target # computation on enqueue and queueing timers always on the CPU on # which they get armed. # # This is achieved by having separate wheels for CPU pinned timers # and global timers which do not care about where they expire. # # As long as a CPU is busy it handles both the pinned and the global # timers which are queued on the CPU local timer wheels. # # When a CPU goes idle it evaluates its own timer wheels: # # - If the first expiring timer is a pinned timer, then the global # timers can be ignored as the CPU will wake up before they # expire. # # - If the first expiring timer is a global timer, then the expiry # time is propagated into the timer pull hierarchy and the CPU # makes sure to wake up for the first pinned timer. # # The timer pull hierarchy organizes CPUs in groups of eight at the # lowest level and at the next levels groups of eight groups up to # the point where no further aggregation of groups is required, i.e. # the number of levels is log8(NR_CPUS). The magic number of eight # has been established by experimention, but can be adjusted if # needed. # # In each group one busy CPU acts as the migrator. It's only one CPU # to avoid lock contention on remote timer wheels. # # The migrator CPU checks in its own timer wheel handling whether # there are other CPUs in the group which have gone idle and have # global timers to expire. If there are global timers to expire, the # migrator locks the remote CPU timer wheel and handles the expiry. # # Depending on the group level in the hierarchy this handling can # require to walk the hierarchy downwards to the CPU level. # # Special care is taken when the last CPU goes idle. At this point # the CPU is the systemwide migrator at the top of the hierarchy and # it therefore cannot delegate to the hierarchy. It needs to arm its # own timer device to expire either at the first expiring timer in # the hierarchy or at the first CPU local timer, which ever expires # first. # # This completely removes the overhead from the enqueue path, which # is e.g. for networking a true hotpath and trades it for a slightly # more complex idle path. # # This has been in development for a couple of years and the final # series has been extensively tested by various teams from silicon # vendors and ran through extensive CI. # # There have been slight performance improvements observed on network # centric workloads and an Intel team confirmed that this allows them # to power down a die completely on a mult-die socket for the first # time in a mostly idle scenario. # # There is only one outstanding ~1.5% regression on a specific # overloaded netperf test which is currently investigated, but the # rest is either positive or neutral performance wise and positive on # the power management side. # # - Fixes for the timekeeping interpolation code for cross-timestamps: # # cross-timestamps are used for PTP to get snapshots from hardware # timers and interpolated them back to clock MONOTONIC. The changes # address a few corner cases in the interpolation code which got the # math and logic wrong. # # - Simplifcation of the clocksource watchdog retry logic to # automatically adjust to handle larger systems correctly instead of # having more incomprehensible command line parameters. # # - Treewide consolidation of the VDSO data structures. # # - The usual small improvements and cleanups all over the place" # # * tag 'timers-core-2024-03-10' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (62 commits) # timer/migration: Fix quick check reporting late expiry # tick/sched: Fix build failure for CONFIG_NO_HZ_COMMON=n # vdso/datapage: Quick fix - use asm/page-def.h for ARM64 # timers: Assert no next dyntick timer look-up while CPU is offline # tick: Assume timekeeping is correctly handed over upon last offline idle call # tick: Shut down low-res tick from dying CPU # tick: Split nohz and highres features from nohz_mode # tick: Move individual bit features to debuggable mask accesses # tick: Move got_idle_tick away from common flags # tick: Assume the tick can't be stopped in NOHZ_MODE_INACTIVE mode # tick: Move broadcast cancellation up to CPUHP_AP_TICK_DYING # tick: Move tick cancellation up to CPUHP_AP_TICK_DYING # tick: Start centralizing tick related CPU hotplug operations # tick/sched: Don't clear ts::next_tick again in can_stop_idle_tick() # tick/sched: Rename tick_nohz_stop_sched_tick() to tick_nohz_full_stop_tick() # tick: Use IS_ENABLED() whenever possible # tick/sched: Remove useless oneshot ifdeffery # tick/nohz: Remove duplicate between lowres and highres handlers # tick/nohz: Remove duplicate between tick_nohz_switch_to_nohz() and tick_setup_sched_timer() # hrtimer: Select housekeeping CPU during migration # ... # < /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 d08c407f715f651e7ea40b3a037be46dd2b11e4c # make -s -j 160 ARCH=sh O=/kisskb/build/linus_se7750_defconfig_sh4-gcc13 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-13.1.0-nolibc/sh4-linux/bin/sh4-linux- se7750_defconfig # < make -s -j 160 ARCH=sh O=/kisskb/build/linus_se7750_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_se7750_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_se7750_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/arch/sh/kernel/cpu/init.c:99:29: warning: no previous prototype for 'l2_cache_init' [-Wmissing-prototypes] 99 \| void __attribute__ ((weak)) l2_cache_init(void) \| ^~~~~~~~~~~~~ /kisskb/src/arch/sh/mm/flush-sh4.c:106:13: warning: no previous prototype for 'sh4__flush_region_init' [-Wmissing-prototypes] 106 \| void __init sh4__flush_region_init(void) \| ^~~~~~~~~~~~~~~~~~~~~~ /kisskb/src/arch/sh/mm/cache-sh4.c:384:13: warning: no previous prototype for 'sh4_cache_init' [-Wmissing-prototypes] 384 \| void __init sh4_cache_init(void) \| ^~~~~~~~~~~~~~ /kisskb/src/arch/sh/kernel/cpu/sh4/fpu.c:389:6: warning: no previous prototype for 'float_raise' [-Wmissing-prototypes] 389 \| void float_raise(unsigned int flags) \| ^~~~~~~~~~~ /kisskb/src/arch/sh/kernel/cpu/sh4/fpu.c:394:5: warning: no previous prototype for 'float_rounding_mode' [-Wmissing-prototypes] 394 \| int float_rounding_mode(void) \| ^~~~~~~~~~~~~~~~~~~ /kisskb/src/arch/sh/mm/pgtable.c:10:6: warning: no previous prototype for 'pgd_ctor' [-Wmissing-prototypes] 10 \| void pgd_ctor(void x) \| ^~~~~~~~ /kisskb/src/arch/sh/mm/pgtable.c:32:8: warning: no previous prototype for 'pgd_alloc' [-Wmissing-prototypes] 32 \| pgd_t pgd_alloc(struct mm_struct mm) \| ^~~~~~~~~ /kisskb/src/arch/sh/mm/pgtable.c:37:6: warning: no previous prototype for 'pgd_free' [-Wmissing-prototypes] 37 \| void pgd_free(struct mm_struct mm, pgd_t pgd) \| ^~~~~~~~ /kisskb/src/arch/sh/mm/tlbex_32.c:22:1: warning: no previous prototype for 'handle_tlbmiss' [-Wmissing-prototypes] 22 \| handle_tlbmiss(struct pt_regs regs, unsigned long error_code, \| ^~~~~~~~~~~~~~ /kisskb/src/arch/sh/kernel/return_address.c:49:7: warning: no previous prototype for 'return_address' [-Wmissing-prototypes] 49 \| void *return_address(unsigned int depth) \| ^~~~~~~~~~~~~~ /kisskb/src/arch/sh/kernel/sys_sh.c:58:16: warning: no previous prototype for 'sys_cacheflush' [-Wmissing-prototypes] 58 \| asmlinkage int sys_cacheflush(unsigned long addr, unsigned long len, int op) \| ^~~~~~~~~~~~~~ /kisskb/src/arch/sh/kernel/traps_32.c:735:6: warning: no previous prototype for 'per_cpu_trap_init' [-Wmissing-prototypes] 735 \| void per_cpu_trap_init(void) \| ^~~~~~~~~~~~~~~~~ /kisskb/src/arch/sh/kernel/hw_breakpoint.c:135:5: warning: no previous prototype for 'arch_bp_generic_fields' [-Wmissing-prototypes] 135 \| int arch_bp_generic_fields(int sh_len, int sh_type, \| ^~~~~~~~~~~~~~~~~~~~~~ /kisskb/src/arch/sh/boot/compressed/cache.c:2:5: warning: no previous prototype for 'cache_control' [-Wmissing-prototypes] 2 \| int cache_control(unsigned int command) \| ^~~~~~~~~~~~~ /kisskb/src/arch/sh/boot/compressed/misc.c:115:6: warning: no previous prototype for 'ftrace_stub' [-Wmissing-prototypes] 115 \| void ftrace_stub(void) \| ^~~~~~~~~~~ /kisskb/src/arch/sh/boot/compressed/misc.c:118:6: warning: no previous prototype for 'arch_ftrace_ops_list_func' [-Wmissing-prototypes] 118 \| void arch_ftrace_ops_list_func(void) \| ^~~~~~~~~~~~~~~~~~~~~~~~~ /kisskb/src/arch/sh/boot/compressed/misc.c:128:6: warning: no previous prototype for 'decompress_kernel' [-Wmissing-prototypes] 128 \| void decompress_kernel(void) \| ^~~~~~~~~~~~~~~~~ Kernel: arch/sh/boot/zImage is ready Completed OK # rm -rf /kisskb/build/linus_se7750_defconfig_sh4-gcc13 # Build took: 0:00:39.699105

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