在2024年12月23日十二月 上午9:20，Xi Ruoyao写道： > This reverts commit 426fa8e4fe7bb914b5977cbce453a9926bf5b2e6. > > The commit has caused two issues on Loongson 3A4000: > > 1. The timestamp in dmesg become erratic, like: > > [3.736957] amdgpu 0000:04:00.0: ... ... > [3.748895] [drm] Initialized amdgpu ... ... > [18446744073.381141] amdgpu 0000:04:00:0: ... ... > [1.613326] igb 0000:03:00.0 enp3s0: ... ... > > 2. More seriously, some workloads (for example, the test > stdlib/test-cxa_atexit2 in the Glibc test suite) triggers an RCU > stall and hang the system with a high probably (4 hangs out of 5 > tests). > > Revert this commit to use jiffie on Loongson MIPS systems and fix these > issues for now. The root cause may need more investigation. > > Cc: stable@xxxxxxxxxxxxxxx # 6.11+ > Cc: Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx> > Cc: Icenowy Zheng <icenowy@xxxxxxx> Reviewed-by: Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx> It's indeed problematic in some scenarios. Let's revert for now. Thanks - Jiaxun > Signed-off-by: Xi Ruoyao <xry111@xxxxxxxxxxx> > --- > arch/mips/Kconfig | 1 - > 1 file changed, 1 deletion(-) > > diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig > index 467b10f4361a..5078ebf071ec 100644 > --- a/arch/mips/Kconfig > +++ b/arch/mips/Kconfig > @@ -1084,7 +1084,6 @@ config CSRC_IOASIC > > config CSRC_R4K > select CLOCKSOURCE_WATCHDOG if CPU_FREQ > - select HAVE_UNSTABLE_SCHED_CLOCK if SMP && 64BIT > bool > > config CSRC_SB1250 > -- > 2.47.1 -- - Jiaxun
