netdev - Re: [PATCH net] ice: make writes to /dev/gnssX synchronous

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Date: Wed, 07 Jun 2023 10:00:20 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Tony Nguyen <anthony.l.nguyen@...el.com>
Cc: davem@...emloft.net, kuba@...nel.org, pabeni@...hat.com,
 edumazet@...gle.com, netdev@...r.kernel.org, mschmidt@...hat.com,
 karol.kolacinski@...el.com, michal.michalik@...el.com, johan@...nel.org,
 simon.horman@...igine.com, sunithax.d.mekala@...el.com
Subject: Re: [PATCH net] ice: make writes to /dev/gnssX synchronous

Hello:

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

On Tue,  6 Jun 2023 10:12:53 -0700 you wrote:
> From: Michal Schmidt <mschmidt@...hat.com>
> 
> The current ice driver's GNSS write implementation buffers writes and
> works through them asynchronously in a kthread. That's bad because:
>  - The GNSS write_raw operation is supposed to be synchronous[1][2].
>  - There is no upper bound on the number of pending writes.
>    Userspace can submit writes much faster than the driver can process,
>    consuming unlimited amounts of kernel memory.
> 
> [...]

Here is the summary with links:
  - [net] ice: make writes to /dev/gnssX synchronous
    https://git.kernel.org/netdev/net/c/bf15bb38ec7f

You are awesome, thank you!
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