Thread (6 messages) 6 messages, 4 authors, 2025-11-03

Re: [PATCH net] net: gro_cells: Use nested-BH locking for gro_cell

From: patchwork-bot+netdevbpf@kernel.org
Date: 2025-10-14 01:10:58
Also in: linux-rt-devel

Hello:

This patch was applied to netdev/net.git (main)
by Jakub Kicinski [off-list ref]:

On Thu, 9 Oct 2025 11:43:38 +0200 you wrote:
The gro_cell data structure is per-CPU variable and relies on disabled
BH for its locking. Without per-CPU locking in local_bh_disable() on
PREEMPT_RT this data structure requires explicit locking.

Add a local_lock_t to the data structure and use
local_lock_nested_bh() for locking. This change adds only lockdep
coverage and does not alter the functional behaviour for !PREEMPT_RT.

[...]
Here is the summary with links:
  - [net] net: gro_cells: Use nested-BH locking for gro_cell
    https://git.kernel.org/netdev/net/c/25718fdcbdd2

You are awesome, thank you!
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