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| author | Xi Ruoyao <xry111@xry111.site> | 2024-12-23 17:20:41 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-02-17 10:05:19 +0100 |
| commit | 8a844ea6d73f2311bd5f19bd287d8c55ba4239e8 (patch) | |
| tree | a2b306e08f61928c1d4d3cc86385416279ea938a /arch | |
| parent | 6d76a2a72c2efb0a95000d3827974117a8e6dd4d (diff) | |
| download | linux-8a844ea6d73f2311bd5f19bd287d8c55ba4239e8.tar.gz linux-8a844ea6d73f2311bd5f19bd287d8c55ba4239e8.tar.bz2 linux-8a844ea6d73f2311bd5f19bd287d8c55ba4239e8.zip | |
Revert "MIPS: csrc-r4k: Select HAVE_UNSTABLE_SCHED_CLOCK if SMP && 64BIT"
commit 078b831638e1aa06dd7ffa9f244c8ac6b2995561 upstream.
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@vger.kernel.org # 6.11+
Cc: Jiaxun Yang <jiaxun.yang@flygoat.com>
Cc: Icenowy Zheng <icenowy@aosc.io>
Signed-off-by: Xi Ruoyao <xry111@xry111.site>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/mips/Kconfig | 1 |
1 files changed, 0 insertions, 1 deletions
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 |