Buildresult: linus/sparc64-defconfig/sparc64-gcc13 built on Mar 12, 11:01

kisskb

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Status:	OK
Date/Time:	Mar 12, 11:01
Duration:	0:16:13.440589
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/sparc64-defconfig/sparc64-gcc13
Branch:	linus
Compiler:	sparc64-gcc13 (sparc64-linux-gcc (GCC) 13.1.0 / GNU ld (GNU Binutils) 2.40)
Config:	defconfig (download)
Log:	Download original Possible warnings (26) <stdin>:1519:2: warning: #warning syscall clone3 not implemented [-Wcpp] arch/sparc/prom/p1275.c:52:6: warning: no previous prototype for 'prom_cif_init' [-Wmissing-prototypes] arch/sparc/prom/misc_64.c:165:5: warning: no previous prototype for 'prom_get_mmu_ihandle' [-Wmissing-prototypes] arch/sparc/vdso/vma.c:246:12: warning: no previous prototype for 'init_vdso_image' [-Wmissing-prototypes] arch/sparc/kernel/traps_64.c:253:6: warning: no previous prototype for 'is_no_fault_exception' [-Wmissing-prototypes] arch/sparc/kernel/traps_64.c:2035:6: warning: no previous prototype for 'do_mcd_err' [-Wmissing-prototypes] arch/sparc/kernel/traps_64.c:2153:6: warning: no previous prototype for 'sun4v_nonresum_error_user_handled' [-Wmissing-prototypes] arch/sparc/mm/init_64.c:2644:6: warning: no previous prototype for 'vmemmap_free' [-Wmissing-prototypes] arch/sparc/vdso/vclock_gettime.c:254:1: warning: no previous prototype for '__vdso_clock_gettime' [-Wmissing-prototypes] arch/sparc/vdso/vclock_gettime.c:282:1: warning: no previous prototype for '__vdso_clock_gettime_stick' [-Wmissing-prototypes] arch/sparc/vdso/vclock_gettime.c:307:1: warning: no previous prototype for '__vdso_gettimeofday' [-Wmissing-prototypes] arch/sparc/vdso/vclock_gettime.c:343:1: warning: no previous prototype for '__vdso_gettimeofday_stick' [-Wmissing-prototypes] arch/sparc/vdso/vdso32/../vclock_gettime.c:254:1: warning: no previous prototype for '__vdso_clock_gettime' [-Wmissing-prototypes] arch/sparc/vdso/vdso32/../vclock_gettime.c:282:1: warning: no previous prototype for '__vdso_clock_gettime_stick' [-Wmissing-prototypes] arch/sparc/vdso/vdso32/../vclock_gettime.c:307:1: warning: no previous prototype for '__vdso_gettimeofday' [-Wmissing-prototypes] arch/sparc/vdso/vdso32/../vclock_gettime.c:343:1: warning: no previous prototype for '__vdso_gettimeofday_stick' [-Wmissing-prototypes] /opt/cross/kisskb/korg/gcc-13.1.0-nolibc/sparc64-linux/bin/sparc64-linux-ld: warning: arch/sparc/vdso/vdso-note.o: missing .note.GNU-stack section implies executable stack /opt/cross/kisskb/korg/gcc-13.1.0-nolibc/sparc64-linux/bin/sparc64-linux-ld: warning: arch/sparc/vdso/vdso32/vdso-note.o: missing .note.GNU-stack section implies executable stack arch/sparc/kernel/setup_64.c:602:13: warning: no previous prototype for 'alloc_irqstack_bootmem' [-Wmissing-prototypes] arch/sparc/kernel/time_64.c:880:20: warning: no previous prototype for 'sched_clock' [-Wmissing-prototypes] arch/sparc/kernel/adi_64.c:124:21: warning: no previous prototype for 'find_tag_store' [-Wmissing-prototypes] arch/sparc/kernel/adi_64.c:156:21: warning: no previous prototype for 'alloc_tag_store' [-Wmissing-prototypes] arch/sparc/kernel/adi_64.c:299:6: warning: no previous prototype for 'del_tag_store' [-Wmissing-prototypes] arch/sparc/kernel/pci_sun4v.c:259:15: warning: no previous prototype for 'dma_4v_iotsb_bind' [-Wmissing-prototypes] arch/sparc/kernel/uprobes.c:237:17: warning: no previous prototype for 'uprobe_trap' [-Wmissing-prototypes] WARNING: modpost: EXPORT symbol "_mcount" [vmlinux] version generation failed, symbol will not be versioned. Full Log # git gc Expanding reachable commits in commit graph: 27240 Expanding reachable commits in commit graph: 56507 Expanding reachable commits in commit graph: 89683 Expanding reachable commits in commit graph: 121237 Expanding reachable commits in commit graph: 141707 Expanding reachable commits in commit graph: 161740 Expanding reachable commits in commit graph: 181681 Expanding reachable commits in commit graph: 200829 Expanding reachable commits in commit graph: 221317 Expanding reachable commits in commit graph: 251603 Expanding reachable commits in commit graph: 283933 Expanding reachable commits in commit graph: 314275 Expanding reachable commits in commit graph: 346320 Expanding reachable commits in commit graph: 380006 Expanding reachable commits in commit graph: 414511 Expanding reachable commits in commit graph: 453003 Expanding reachable commits in commit graph: 480230 Expanding reachable commits in commit graph: 507511 Expanding reachable commits in commit graph: 538284 Expanding reachable commits in commit graph: 569291 Expanding reachable commits in commit graph: 598674 Expanding reachable commits in commit graph: 637720 Expanding reachable commits in commit graph: 679855 Expanding reachable commits in commit graph: 714280 Expanding reachable commits in commit graph: 749660 Expanding reachable commits in commit graph: 779467 Expanding reachable commits in commit graph: 808528 Expanding reachable commits in commit graph: 839179 Expanding reachable commits in commit graph: 873191 Expanding reachable commits in commit graph: 907635 Expanding reachable commits in commit graph: 936531 Expanding reachable commits in commit graph: 962383 Expanding reachable commits in commit graph: 995237 Expanding reachable commits in commit graph: 1028616 Expanding reachable commits in commit graph: 1053348 Expanding reachable commits in commit graph: 1082802 Expanding reachable commits in commit graph: 1113239 Expanding reachable commits in commit graph: 1136048 Expanding reachable commits in commit graph: 1157238 Expanding reachable commits in commit graph: 1178371 Expanding reachable commits in commit graph: 1199919 Expanding reachable commits in commit graph: 1222142 Expanding reachable commits in commit graph: 1244370 Expanding reachable commits in commit graph: 1251583, done. Finding extra edges in commit graph: 0% (2/1251583) Finding extra edges in commit graph: 1% (12516/1251583) Finding extra edges in commit graph: 2% (25032/1251583) Finding extra edges in commit graph: 3% (37548/1251583) Finding extra edges in commit graph: 4% (50064/1251583) Finding extra edges in commit graph: 5% (62580/1251583) Finding extra edges in commit graph: 6% (75095/1251583) Finding extra edges in commit graph: 7% (87611/1251583) Finding extra edges in commit graph: 8% (100127/1251583) Finding extra edges in commit graph: 9% (112643/1251583) Finding extra edges in commit graph: 10% (125159/1251583) Finding extra edges in commit graph: 11% (137675/1251583) Finding extra edges in commit graph: 12% (150190/1251583) Finding extra edges in commit graph: 13% (162706/1251583) Finding extra edges in commit graph: 14% (175222/1251583) Finding extra edges in commit graph: 15% (187738/1251583) Finding extra edges in commit graph: 16% (200254/1251583) Finding extra edges in commit graph: 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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/sparc64-linux/bin/sparc64-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-13.1.0-nolibc/sparc64-linux/bin/sparc64-linux-ld --version # < git log --format=%s --max-count=1 d08c407f715f651e7ea40b3a037be46dd2b11e4c # make -s -j 160 ARCH=sparc64 O=/kisskb/build/linus_defconfig_sparc64-gcc13 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-13.1.0-nolibc/sparc64-linux/bin/sparc64-linux- defconfig # < make -s -j 160 ARCH=sparc64 O=/kisskb/build/linus_defconfig_sparc64-gcc13 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-13.1.0-nolibc/sparc64-linux/bin/sparc64-linux- help # make -s -j 160 ARCH=sparc64 O=/kisskb/build/linus_defconfig_sparc64-gcc13 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-13.1.0-nolibc/sparc64-linux/bin/sparc64-linux- olddefconfig # make -s -j 160 ARCH=sparc64 O=/kisskb/build/linus_defconfig_sparc64-gcc13 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-13.1.0-nolibc/sparc64-linux/bin/sparc64-linux- <stdin>:1519:2: warning: #warning syscall clone3 not implemented [-Wcpp] /kisskb/src/arch/sparc/prom/p1275.c:52:6: warning: no previous prototype for 'prom_cif_init' [-Wmissing-prototypes] 52 \| void prom_cif_init(void cif_handler, void cif_stack) \| ^~~~~~~~~~~~~ /kisskb/src/arch/sparc/prom/misc_64.c:165:5: warning: no previous prototype for 'prom_get_mmu_ihandle' [-Wmissing-prototypes] 165 \| int prom_get_mmu_ihandle(void) \| ^~~~~~~~~~~~~~~~~~~~ /kisskb/src/arch/sparc/vdso/vma.c:246:12: warning: no previous prototype for 'init_vdso_image' [-Wmissing-prototypes] 246 \| int __init init_vdso_image(const struct vdso_image image, \| ^~~~~~~~~~~~~~~ /kisskb/src/arch/sparc/kernel/traps_64.c:253:6: warning: no previous prototype for 'is_no_fault_exception' [-Wmissing-prototypes] 253 \| bool is_no_fault_exception(struct pt_regs regs) \| ^~~~~~~~~~~~~~~~~~~~~ /kisskb/src/arch/sparc/kernel/traps_64.c:2035:6: warning: no previous prototype for 'do_mcd_err' [-Wmissing-prototypes] 2035 \| void do_mcd_err(struct pt_regs regs, struct sun4v_error_entry ent) \| ^~~~~~~~~~ /kisskb/src/arch/sparc/kernel/traps_64.c:2153:6: warning: no previous prototype for 'sun4v_nonresum_error_user_handled' [-Wmissing-prototypes] 2153 \| bool sun4v_nonresum_error_user_handled(struct pt_regs regs, \| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /kisskb/src/arch/sparc/mm/init_64.c:2644:6: warning: no previous prototype for 'vmemmap_free' [-Wmissing-prototypes] 2644 \| void vmemmap_free(unsigned long start, unsigned long end, \| ^~~~~~~~~~~~ /kisskb/src/arch/sparc/vdso/vclock_gettime.c:254:1: warning: no previous prototype for '__vdso_clock_gettime' [-Wmissing-prototypes] 254 \| __vdso_clock_gettime(clockid_t clock, struct __kernel_old_timespec ts) \| ^~~~~~~~~~~~~~~~~~~~ /kisskb/src/arch/sparc/vdso/vclock_gettime.c:282:1: warning: no previous prototype for '__vdso_clock_gettime_stick' [-Wmissing-prototypes] 282 \| __vdso_clock_gettime_stick(clockid_t clock, struct __kernel_old_timespec ts) \| ^~~~~~~~~~~~~~~~~~~~~~~~~~ /kisskb/src/arch/sparc/vdso/vclock_gettime.c:307:1: warning: no previous prototype for '__vdso_gettimeofday' [-Wmissing-prototypes] 307 \| __vdso_gettimeofday(struct __kernel_old_timeval tv, struct timezone tz) \| ^~~~~~~~~~~~~~~~~~~ /kisskb/src/arch/sparc/vdso/vclock_gettime.c:343:1: warning: no previous prototype for '__vdso_gettimeofday_stick' [-Wmissing-prototypes] 343 \| __vdso_gettimeofday_stick(struct __kernel_old_timeval tv, struct timezone tz) \| ^~~~~~~~~~~~~~~~~~~~~~~~~ In file included from /kisskb/src/arch/sparc/vdso/vdso32/vclock_gettime.c:22: /kisskb/src/arch/sparc/vdso/vdso32/../vclock_gettime.c:254:1: warning: no previous prototype for '__vdso_clock_gettime' [-Wmissing-prototypes] 254 \| __vdso_clock_gettime(clockid_t clock, struct __kernel_old_timespec ts) \| ^~~~~~~~~~~~~~~~~~~~ /kisskb/src/arch/sparc/vdso/vdso32/../vclock_gettime.c:282:1: warning: no previous prototype for '__vdso_clock_gettime_stick' [-Wmissing-prototypes] 282 \| __vdso_clock_gettime_stick(clockid_t clock, struct __kernel_old_timespec ts) \| ^~~~~~~~~~~~~~~~~~~~~~~~~~ /kisskb/src/arch/sparc/vdso/vdso32/../vclock_gettime.c:307:1: warning: no previous prototype for '__vdso_gettimeofday' [-Wmissing-prototypes] 307 \| __vdso_gettimeofday(struct __kernel_old_timeval tv, struct timezone tz) \| ^~~~~~~~~~~~~~~~~~~ /kisskb/src/arch/sparc/vdso/vdso32/../vclock_gettime.c:343:1: warning: no previous prototype for '__vdso_gettimeofday_stick' [-Wmissing-prototypes] 343 \| __vdso_gettimeofday_stick(struct __kernel_old_timeval tv, struct timezone tz) \| ^~~~~~~~~~~~~~~~~~~~~~~~~ /opt/cross/kisskb/korg/gcc-13.1.0-nolibc/sparc64-linux/bin/sparc64-linux-ld: warning: arch/sparc/vdso/vdso-note.o: missing .note.GNU-stack section implies executable stack /opt/cross/kisskb/korg/gcc-13.1.0-nolibc/sparc64-linux/bin/sparc64-linux-ld: NOTE: This behaviour is deprecated and will be removed in a future version of the linker /opt/cross/kisskb/korg/gcc-13.1.0-nolibc/sparc64-linux/bin/sparc64-linux-ld: warning: arch/sparc/vdso/vdso32/vdso-note.o: missing .note.GNU-stack section implies executable stack /opt/cross/kisskb/korg/gcc-13.1.0-nolibc/sparc64-linux/bin/sparc64-linux-ld: NOTE: This behaviour is deprecated and will be removed in a future version of the linker /kisskb/src/arch/sparc/kernel/setup_64.c:602:13: warning: no previous prototype for 'alloc_irqstack_bootmem' [-Wmissing-prototypes] 602 \| void __init alloc_irqstack_bootmem(void) \| ^~~~~~~~~~~~~~~~~~~~~~ /kisskb/src/arch/sparc/kernel/time_64.c:880:20: warning: no previous prototype for 'sched_clock' [-Wmissing-prototypes] 880 \| unsigned long long sched_clock(void) \| ^~~~~~~~~~~ /kisskb/src/arch/sparc/kernel/adi_64.c:124:21: warning: no previous prototype for 'find_tag_store' [-Wmissing-prototypes] 124 \| tag_storage_desc_t find_tag_store(struct mm_struct mm, \| ^~~~~~~~~~~~~~ /kisskb/src/arch/sparc/kernel/adi_64.c:156:21: warning: no previous prototype for 'alloc_tag_store' [-Wmissing-prototypes] 156 \| tag_storage_desc_t alloc_tag_store(struct mm_struct mm, \| ^~~~~~~~~~~~~~~ /kisskb/src/arch/sparc/kernel/adi_64.c:299:6: warning: no previous prototype for 'del_tag_store' [-Wmissing-prototypes] 299 \| void del_tag_store(tag_storage_desc_t tag_desc, struct mm_struct mm) \| ^~~~~~~~~~~~~ /kisskb/src/arch/sparc/kernel/pci_sun4v.c:259:15: warning: no previous prototype for 'dma_4v_iotsb_bind' [-Wmissing-prototypes] 259 \| unsigned long dma_4v_iotsb_bind(unsigned long devhandle, \| ^~~~~~~~~~~~~~~~~ /kisskb/src/arch/sparc/kernel/uprobes.c:237:17: warning: no previous prototype for 'uprobe_trap' [-Wmissing-prototypes] 237 \| asmlinkage void uprobe_trap(struct pt_regs *regs, \| ^~~~~~~~~~~ WARNING: modpost: EXPORT symbol "_mcount" [vmlinux] version generation failed, symbol will not be versioned. Is "_mcount" prototyped in <asm/asm-prototypes.h>? Completed OK # rm -rf /kisskb/build/linus_defconfig_sparc64-gcc13 # Build took: 0:16:13.440589

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