[PATCH] ibmveth: Use dcbf rather than dcbfl

[PATCH] ibmveth: Use dcbf rather than dcbfl

[Michael Ellerman]

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@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

Re: [PATCH] ibmveth: Use dcbf rather than dcbfl

[patchwork-bot+netdevbpf]

Hello:

This patch was applied to netdev/net.git (main)
by David S. Miller <davem@davemloft.net>:

On Wed, 23 Aug 2023 14:51:39 +1000 you wrote:
> 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.
> 
> [...]

Here is the summary with links:
  - ibmveth: Use dcbf rather than dcbfl
    https://git.kernel.org/netdev/net/c/bfedba3b2c77

You are awesome, thank you!
-- 
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