linux-kernel - Re: [PATCH net-next] page_pool: remove spinlock in page_pool_refill_alloc

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Date:   Mon, 10 Jan 2022 01:00:14 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Yunsheng Lin <linyunsheng@...wei.com>
Cc:     davem@...emloft.net, kuba@...nel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, hawk@...nel.org,
        ilias.apalodimas@...aro.org
Subject: Re: [PATCH net-next] page_pool: remove spinlock in
 page_pool_refill_alloc_cache()

Hello:

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

On Fri, 7 Jan 2022 17:00:42 +0800 you wrote:
> As page_pool_refill_alloc_cache() is only called by
> __page_pool_get_cached(), which assumes non-concurrent access
> as suggested by the comment in __page_pool_get_cached(), and
> ptr_ring allows concurrent access between consumer and producer,
> so remove the spinlock in page_pool_refill_alloc_cache().
> 
> Signed-off-by: Yunsheng Lin <linyunsheng@...wei.com>
> 
> [...]

Here is the summary with links:
  - [net-next] page_pool: remove spinlock in page_pool_refill_alloc_cache()
    https://git.kernel.org/netdev/net-next/c/07b17f0f7485

You are awesome, thank you!
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