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| author | Guo Ren <guoren@linux.alibaba.com> | 2020-12-20 08:12:45 +0000 |
|---|---|---|
| committer | Guo Ren <guoren@linux.alibaba.com> | 2021-01-12 09:52:40 +0800 |
| commit | 8e35ac734fe2a1a225143d6375f9678f1850585c (patch) | |
| tree | ed462da4ba2caff0e79d508d9bcbc992ce8f2210 /arch/csky/Kconfig | |
| parent | c38425df20371ea977c38809cb1ebe8586171caf (diff) | |
| download | linux-8e35ac734fe2a1a225143d6375f9678f1850585c.tar.bz2 | |
csky: Cleanup asm/spinlock.h
There are two implementation of spinlock in arch/csky:
- simple one (NR_CPU = 1,2)
- tick's one (NR_CPU = 3,4)
Remove the simple one.
There is already smp_mb in spinlock, so remove the definition of
smp_mb__after_spinlock.
Link: https://lore.kernel.org/linux-csky/20200807081253.GD2674@hirez.programming.kicks-ass.net/#t
Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Cc: Peter Zijlstra <peterz@infradead.org>k
Cc: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/csky/Kconfig')
| -rw-r--r-- | arch/csky/Kconfig | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/csky/Kconfig b/arch/csky/Kconfig index c74a8e2e8549..af640a41b749 100644 --- a/arch/csky/Kconfig +++ b/arch/csky/Kconfig @@ -7,7 +7,7 @@ config CSKY select ARCH_HAS_SYNC_DMA_FOR_CPU select ARCH_HAS_SYNC_DMA_FOR_DEVICE select ARCH_USE_BUILTIN_BSWAP - select ARCH_USE_QUEUED_RWLOCKS if NR_CPUS>2 + select ARCH_USE_QUEUED_RWLOCKS select ARCH_WANT_FRAME_POINTERS if !CPU_CK610 select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT select COMMON_CLK |