MIPS: Use generic atomic64 for 32-bit kernels
The 64-bit kernel has already had its atomic64 functions. Except for that, we use the generic spinlocked version. The atomic64 types and related functions are needed for the Linux performance counter subsystem. Signed-off-by: Deng-Cheng Zhu <dengcheng.zhu@gmail.com> To: linux-mips@linux-mips.org Cc: a.p.zijlstra@chello.nl Cc: paulus@samba.org Cc: mingo@elte.hu Cc: acme@redhat.com Cc: jamie.iles@picochip.com Patchwork: https://patchwork.linux-mips.org/patch/1361/ Acked-by: David Daney <ddaney@caviumnetworks.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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@ -13,6 +13,7 @@ config MIPS
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select HAVE_KPROBES
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select HAVE_KRETPROBES
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select RTC_LIB if !MACH_LOONGSON
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select GENERIC_ATOMIC64 if !64BIT
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mainmenu "Linux/MIPS Kernel Configuration"
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@ -782,6 +782,10 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u)
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*/
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#define atomic64_add_negative(i, v) (atomic64_add_return(i, (v)) < 0)
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#else /* !CONFIG_64BIT */
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#include <asm-generic/atomic64.h>
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#endif /* CONFIG_64BIT */
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/*
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