linux-kernel - Re: [net PATCH v2] octeontx2-pf: Avoid use of GFP

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Message-Id: <167387821580.26138.13339580254916063174.git-patchwork-notify@kernel.org>
Date:   Mon, 16 Jan 2023 14:10:15 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Geetha sowjanya <gakula@...vell.com>
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        kuba@...nel.org, pabeni@...hat.com, davem@...emloft.net,
        edumazet@...gle.com, sbhatta@...vell.com, hkelam@...vell.com,
        sgoutham@...vell.com
Subject: Re: [net PATCH v2] octeontx2-pf: Avoid use of GFP_KERNEL in atomic
 context

Hello:

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

On Fri, 13 Jan 2023 11:49:02 +0530 you wrote:
> Using GFP_KERNEL in preemption disable context, causing below warning
> when CONFIG_DEBUG_ATOMIC_SLEEP is enabled.
> 
> [   32.542271] BUG: sleeping function called from invalid context at include/linux/sched/mm.h:274
> [   32.550883] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 1, name: swapper/0
> [   32.558707] preempt_count: 1, expected: 0
> [   32.562710] RCU nest depth: 0, expected: 0
> [   32.566800] CPU: 3 PID: 1 Comm: swapper/0 Tainted: G        W          6.2.0-rc2-00269-gae9dcb91c606 #7
> [   32.576188] Hardware name: Marvell CN106XX board (DT)
> [   32.581232] Call trace:
> [   32.583670]  dump_backtrace.part.0+0xe0/0xf0
> [   32.587937]  show_stack+0x18/0x30
> [   32.591245]  dump_stack_lvl+0x68/0x84
> [   32.594900]  dump_stack+0x18/0x34
> [   32.598206]  __might_resched+0x12c/0x160
> [   32.602122]  __might_sleep+0x48/0xa0
> [   32.605689]  __kmem_cache_alloc_node+0x2b8/0x2e0
> [   32.610301]  __kmalloc+0x58/0x190
> [   32.613610]  otx2_sq_aura_pool_init+0x1a8/0x314
> [   32.618134]  otx2_open+0x1d4/0x9d0
> 
> [...]

Here is the summary with links:
  - [net,v2] octeontx2-pf: Avoid use of GFP_KERNEL in atomic context
    https://git.kernel.org/netdev/net/c/87b93b678e95

You are awesome, thank you!
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