sparc32: Kill btfixup for xchg()'s 'swap' instruction.

We always have this instruction available, so no need to use
btfixup for it any more.

This also eradicates the whole of atomic_32.S and thus the
__atomic_begin and __atomic_end symbols completely.

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 0 insertions, 5 deletions

diff --git a/arch/sparc/mm/srmmu.c b/arch/sparc/mm/srmmu.c
index 0a47b820cfa1..6efcb6b1ea18 100644
--- a/arch/sparc/mm/srmmu.c
+++ b/arch/sparc/mm/srmmu.c
@@ -1980,13 +1980,8 @@ void __init load_mmu(void)
 {
         extern void ld_mmu_iommu(void);
         extern void ld_mmu_iounit(void);
-        extern void ___xchg32_sun4md(void);
 
         /* Functions */
-#ifndef CONFIG_SMP      
-        BTFIXUPSET_CALL(___xchg32, ___xchg32_sun4md, BTFIXUPCALL_SWAPG1G2);
-#endif
-
         BTFIXUPSET_CALL(update_mmu_cache, srmmu_update_mmu_cache, BTFIXUPCALL_NOP);
 
         get_srmmu_type();