diff mbox series

[net-next] net: wangxun: use net_prefetch to simplify logic

Message ID 20240729152651.258713-1-jdamato@fastly.com (mailing list archive)
State Accepted
Commit e832bc9e818ca49078350a89f1de9aceba1775e3
Delegated to: Netdev Maintainers
Headers show
Series [net-next] net: wangxun: use net_prefetch to simplify logic | expand

Checks

Context Check Description
netdev/series_format success Single patches do not need cover letters
netdev/tree_selection success Clearly marked for net-next
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 42 this patch: 42
netdev/build_tools success No tools touched, skip
netdev/cc_maintainers success CCed 7 of 7 maintainers
netdev/build_clang success Errors and warnings before: 43 this patch: 43
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 43 this patch: 43
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 11 lines checked
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 14 this patch: 14
netdev/source_inline success Was 0 now: 0
netdev/contest success net-next-2024-07-29--18-00 (tests: 703)

Commit Message

Joe Damato July 29, 2024, 3:26 p.m. UTC
Use net_prefetch to remove #ifdef and simplify prefetch logic. This
follows the pattern introduced in a previous commit f468f21b7af0 ("net:
Take common prefetch code structure into a function"), which replaced
the same logic in all existing drivers at that time.

Signed-off-by: Joe Damato <jdamato@fastly.com>
---
 drivers/net/ethernet/wangxun/libwx/wx_lib.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

Comments

Wojciech Drewek July 30, 2024, 10:16 a.m. UTC | #1
On 29.07.2024 17:26, Joe Damato wrote:
> Use net_prefetch to remove #ifdef and simplify prefetch logic. This
> follows the pattern introduced in a previous commit f468f21b7af0 ("net:
> Take common prefetch code structure into a function"), which replaced
> the same logic in all existing drivers at that time.
> 
> Signed-off-by: Joe Damato <jdamato@fastly.com>
> ---

Reviewed-by: Wojciech Drewek <wojciech.drewek@intel.com>

>  drivers/net/ethernet/wangxun/libwx/wx_lib.c | 5 +----
>  1 file changed, 1 insertion(+), 4 deletions(-)
> 
> diff --git a/drivers/net/ethernet/wangxun/libwx/wx_lib.c b/drivers/net/ethernet/wangxun/libwx/wx_lib.c
> index 1eecba984f3b..2b3d6586f44a 100644
> --- a/drivers/net/ethernet/wangxun/libwx/wx_lib.c
> +++ b/drivers/net/ethernet/wangxun/libwx/wx_lib.c
> @@ -251,10 +251,7 @@ static struct sk_buff *wx_build_skb(struct wx_ring *rx_ring,
>  				  rx_buffer->page_offset;
>  
>  		/* prefetch first cache line of first page */
> -		prefetch(page_addr);
> -#if L1_CACHE_BYTES < 128
> -		prefetch(page_addr + L1_CACHE_BYTES);
> -#endif
> +		net_prefetch(page_addr);
>  
>  		/* allocate a skb to store the frags */
>  		skb = napi_alloc_skb(&rx_ring->q_vector->napi, WX_RXBUFFER_256);
patchwork-bot+netdevbpf@kernel.org July 31, 2024, 2 a.m. UTC | #2
Hello:

This patch was applied to netdev/net-next.git (main)
by Jakub Kicinski <kuba@kernel.org>:

On Mon, 29 Jul 2024 15:26:47 +0000 you wrote:
> Use net_prefetch to remove #ifdef and simplify prefetch logic. This
> follows the pattern introduced in a previous commit f468f21b7af0 ("net:
> Take common prefetch code structure into a function"), which replaced
> the same logic in all existing drivers at that time.
> 
> Signed-off-by: Joe Damato <jdamato@fastly.com>
> 
> [...]

Here is the summary with links:
  - [net-next] net: wangxun: use net_prefetch to simplify logic
    https://git.kernel.org/netdev/net-next/c/e832bc9e818c

You are awesome, thank you!
diff mbox series

Patch

diff --git a/drivers/net/ethernet/wangxun/libwx/wx_lib.c b/drivers/net/ethernet/wangxun/libwx/wx_lib.c
index 1eecba984f3b..2b3d6586f44a 100644
--- a/drivers/net/ethernet/wangxun/libwx/wx_lib.c
+++ b/drivers/net/ethernet/wangxun/libwx/wx_lib.c
@@ -251,10 +251,7 @@  static struct sk_buff *wx_build_skb(struct wx_ring *rx_ring,
 				  rx_buffer->page_offset;
 
 		/* prefetch first cache line of first page */
-		prefetch(page_addr);
-#if L1_CACHE_BYTES < 128
-		prefetch(page_addr + L1_CACHE_BYTES);
-#endif
+		net_prefetch(page_addr);
 
 		/* allocate a skb to store the frags */
 		skb = napi_alloc_skb(&rx_ring->q_vector->napi, WX_RXBUFFER_256);