[PATCH net v2] rxrpc: Fix alteration of headers whilst zerocopy pending

patchwork-bot+netdevbpf at kernel.org patchwork-bot+netdevbpf at kernel.org
Tue Feb 11 17:50:31 PST 2025


Hello:

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

On Sun, 09 Feb 2025 20:07:55 +0000 you wrote:
> rxrpc: Fix alteration of headers whilst zerocopy pending
> 
> AF_RXRPC now uses MSG_SPLICE_PAGES to do zerocopy of the DATA packets when
> it transmits them, but to reduce the number of descriptors required in the
> DMA ring, it allocates a space for the protocol header in the memory
> immediately before the data content so that it can include both in a single
> descriptor.  This is used for either the main RX header or the smaller
> jumbo subpacket header as appropriate:
> 
> [...]

Here is the summary with links:
  - [net,v2] rxrpc: Fix alteration of headers whilst zerocopy pending
    https://git.kernel.org/netdev/net/c/06ea2c9c4163

You are awesome, thank you!
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