netdev - Re: [PATCH net] page_pool: Revert "page_pool: disable dma mapping support..."

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Message-Id: <163723560952.11739.1415863024804247853.git-patchwork-notify@kernel.org>
Date:   Thu, 18 Nov 2021 11:40:09 +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, linuxarm@...neuler.org,
        hawk@...nel.org, ilias.apalodimas@...aro.org,
        akpm@...ux-foundation.org, peterz@...radead.org, vbabka@...e.cz,
        willy@...radead.org, will@...nel.org, feng.tang@...el.com,
        jgg@...pe.ca, ebiederm@...ssion.com, aarcange@...hat.com,
        guillaume.tucker@...labora.com
Subject: Re: [PATCH net] page_pool: Revert "page_pool: disable dma mapping
 support..."

Hello:

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

On Wed, 17 Nov 2021 15:56:52 +0800 you wrote:
> This reverts commit d00e60ee54b12de945b8493cf18c1ada9e422514.
> 
> As reported by Guillaume in [1]:
> Enabling LPAE always enables CONFIG_ARCH_DMA_ADDR_T_64BIT
> in 32-bit systems, which breaks the bootup proceess when a
> ethernet driver is using page pool with PP_FLAG_DMA_MAP flag.
> As we were hoping we had no active consumers for such system
> when we removed the dma mapping support, and LPAE seems like
> a common feature for 32 bits system, so revert it.
> 
> [...]

Here is the summary with links:
  - [net] page_pool: Revert "page_pool: disable dma mapping support..."
    https://git.kernel.org/netdev/net/c/f915b75bffb7

You are awesome, thank you!
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