[PATCH] ibmveth: Use dcbf rather than dcbfl

Michael Ellerman mpe at ellerman.id.au
Wed Aug 23 14:51:39 AEST 2023


When building for power4, newer binutils don't recognise the "dcbfl"
extended mnemonic.

dcbfl RA, RB is equivalent to dcbf RA, RB, 1.

Switch to "dcbf" to avoid the build error.

Signed-off-by: Michael Ellerman <mpe at ellerman.id.au>
---
 drivers/net/ethernet/ibm/ibmveth.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/ibm/ibmveth.c b/drivers/net/ethernet/ibm/ibmveth.c
index 113fcb3e353e..832a2ae01950 100644
--- a/drivers/net/ethernet/ibm/ibmveth.c
+++ b/drivers/net/ethernet/ibm/ibmveth.c
@@ -203,7 +203,7 @@ static inline void ibmveth_flush_buffer(void *addr, unsigned long length)
 	unsigned long offset;
 
 	for (offset = 0; offset < length; offset += SMP_CACHE_BYTES)
-		asm("dcbfl %0,%1" :: "b" (addr), "r" (offset));
+		asm("dcbf %0,%1,1" :: "b" (addr), "r" (offset));
 }
 
 /* replenish the buffers for a pool.  note that we don't need to
-- 
2.40.1



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