Re: [PATCH v2 0/7] MIPS: clocksource cumulative enhancements
From: Jiaxun Yang
Date: Wed Jul 03 2024 - 02:01:23 EST
在2024年6月12日六月 下午4:54,Jiaxun Yang写道:
> Hi all,
>
> This series combined many enhancements for MIPS clocksource subsystems,
> It improved r4k count synchronisation process, clock source rating for
> selection, sched_clock eligibility and so on.
>
> It seems fixed random RCU stall issue on Loongson 3A4000 multi-node
> system and some boot failures on QEMU.
Ping :-)
>
> Please review.
>
> Thanks
>
> Signed-off-by: Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx>
> ---
> Changes in v2:
> - Fix number of zeros in rating computation (Maciej)
> - Only select HAVE_UNSTABLE_SCHED_CLOCK for SMP (Maciej)
> - Link to v1:
> https://lore.kernel.org/r/20240511-mips-clks-v1-0-ddb4a10ee9f9@xxxxxxxxxxx
>
> ---
> Jiaxun Yang (7):
> MIPS: csrc-r4k: Refine rating computation
> MIPS: csrc-r4k: Apply verification clocksource flags
> MIPS: csrc-r4k: Select HAVE_UNSTABLE_SCHED_CLOCK if SMP && 64BIT
> MIPS: csrc-r4k: Don't register as sched_clock if unfit
> MIPS: sync-r4k: Rework based on x86 tsc_sync
> clocksource: mips-gic-timer: Refine rating computation
> clocksource: mips-gic-timer: Correct sched_clock width
>
> arch/mips/Kconfig | 1 +
> arch/mips/include/asm/r4k-timer.h | 5 -
> arch/mips/kernel/csrc-r4k.c | 24 ++-
> arch/mips/kernel/smp.c | 2 -
> arch/mips/kernel/sync-r4k.c | 281 +++++++++++++++++++++++++----------
> drivers/clocksource/mips-gic-timer.c | 20 ++-
> 6 files changed, 234 insertions(+), 99 deletions(-)
> ---
> base-commit: 704ba27ac55579704ba1289392448b0c66b56258
> change-id: 20240509-mips-clks-9001264fcfbe
>
> Best regards,
> --
> Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx>
--
- Jiaxun