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authorGuo Ren2020-12-20 08:12:45 +0000
committerGuo Ren2021-01-12 09:52:40 +0800
commit8e35ac734fe2a1a225143d6375f9678f1850585c (patch)
treeed462da4ba2caff0e79d508d9bcbc992ce8f2210 /arch/csky/Kconfig
parentc38425df20371ea977c38809cb1ebe8586171caf (diff)
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/Kconfig2
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