| Message ID | 1499084670-6996-1-git-send-email-will.deacon@arm.com |
|---|---|
| State | New |
| Headers | show |
diff --git a/arch/frv/include/asm/cmpxchg.h b/arch/frv/include/asm/cmpxchg.h index a899765102ea..ad1f11cfa92a 100644 --- a/arch/frv/include/asm/cmpxchg.h +++ b/arch/frv/include/asm/cmpxchg.h @@ -76,6 +76,7 @@ extern uint32_t __xchg_32(uint32_t i, volatile void *v); * - if (*ptr != test) then orig = *ptr; */ extern uint64_t __cmpxchg_64(uint64_t test, uint64_t new, volatile uint64_t *v); +#define cmpxchg64(p, o, n) __cmpxchg_64((o), (n), (p)) #ifndef CONFIG_FRV_OUTOFLINE_ATOMIC_OPS
FRV supports 64-bit cmpxchg, which is provided by the arch code as __cmpxchg_64 and subsequently used to implement atomic64_cmpxchg. This patch hooks up the generic cmpxchg64 API using the same function, which also provides default definitions of the relaxed, acquire and release variants. This fixes the build when COMPILE_TEST=y and IOMMU_IO_PGTABLE_LPAE=y. Cc: Joerg Roedel <joro@8bytes.org> Cc: Robin Murphy <robin.murphy@arm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ingo Molnar <mingo@kernel.org> Cc: Andrew Morton <akpm@linux-foundation.org> Reported-by: kbuild test robot <fengguang.wu@intel.com> Signed-off-by: Will Deacon <will.deacon@arm.com> --- FRV is orphaned, so not sure where to send this. arch/frv/include/asm/cmpxchg.h | 1 + 1 file changed, 1 insertion(+) -- 2.1.4