From: patchwork-bot+netdevbpf@kernel.org
To: Heiner Kallweit <hkallweit1@gmail.com>
Cc: nic_swsd@realtek.com, kuba@kernel.org, davem@davemloft.net,
netdev@vger.kernel.org, paulb@blazebox.homeip.net
Subject: Re: [PATCH net] r8169: fix DMA being used after buffer free if WoL is enabled
Date: Sun, 21 Mar 2021 02:10:08 +0000 [thread overview]
Message-ID: <161629260876.5230.4981674636008267669.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <ed72d614-d6a2-a837-8faa-eaaef08ef6d8@gmail.com>
Hello:
This patch was applied to netdev/net.git (refs/heads/master):
On Sat, 20 Mar 2021 21:40:08 +0100 you wrote:
> IOMMU errors have been reported if WoL is enabled and interface is
> brought down. It turned out that the network chip triggers DMA
> transfers after the DMA buffers have been freed. For WoL to work we
> need to leave rx enabled, therefore simply stop the chip from being
> a DMA busmaster.
>
> Fixes: 567ca57faa62 ("r8169: add rtl8169_up")
> Tested-by: Paul Blazejowski <paulb@blazebox.homeip.net>
> Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
>
> [...]
Here is the summary with links:
- [net] r8169: fix DMA being used after buffer free if WoL is enabled
https://git.kernel.org/netdev/net/c/f658b90977d2
You are awesome, thank you!
--
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prev parent reply other threads:[~2021-03-21 2:12 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-20 20:40 [PATCH net] r8169: fix DMA being used after buffer free if WoL is enabled Heiner Kallweit
2021-03-21 2:10 ` patchwork-bot+netdevbpf [this message]
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