netdev - Re: [PATCH v2 0/1] qed: Yet another scheduling while atomic fix

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Date: Sat, 29 Jul 2023 16:20:20 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Konstantin Khorenko <khorenko@...tuozzo.com>
Cc: simon.horman@...igine.com, kuba@...nel.org, manishc@...vell.com,
 aelior@...vell.com, davem@...emloft.net, skalluru@...vell.com,
 netdev@...r.kernel.org, pabeni@...hat.com
Subject: Re: [PATCH v2 0/1] qed: Yet another scheduling while atomic fix

Hello:

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

On Thu, 27 Jul 2023 18:26:08 +0300 you wrote:
> Running an old RHEL7-based kernel we have got several cases of following
> BUG_ON():
> 
>   BUG: scheduling while atomic: swapper/24/0/0x00000100
> 
>    [<ffffffffb41c6199>] schedule+0x29/0x70
>    [<ffffffffb41c5512>] schedule_hrtimeout_range_clock+0xb2/0x150
>    [<ffffffffb41c55c3>] schedule_hrtimeout_range+0x13/0x20
>    [<ffffffffb41c3bcf>] usleep_range+0x4f/0x70
>    [<ffffffffc08d3e58>] qed_ptt_acquire+0x38/0x100 [qed]
>    [<ffffffffc08eac48>] _qed_get_vport_stats+0x458/0x580 [qed]
>    [<ffffffffc08ead8c>] qed_get_vport_stats+0x1c/0xd0 [qed]
>    [<ffffffffc08dffd3>] qed_get_protocol_stats+0x93/0x100 [qed]
>                         qed_mcp_send_protocol_stats
>             case MFW_DRV_MSG_GET_LAN_STATS:
>             case MFW_DRV_MSG_GET_FCOE_STATS:
>             case MFW_DRV_MSG_GET_ISCSI_STATS:
>             case MFW_DRV_MSG_GET_RDMA_STATS:
>    [<ffffffffc08e36d8>] qed_mcp_handle_events+0x2d8/0x890 [qed]
>                         qed_int_assertion
>                         qed_int_attentions
>    [<ffffffffc08d9490>] qed_int_sp_dpc+0xa50/0xdc0 [qed]
>    [<ffffffffb3aa7623>] tasklet_action+0x83/0x140
>    [<ffffffffb41d9125>] __do_softirq+0x125/0x2bb
>    [<ffffffffb41d560c>] call_softirq+0x1c/0x30
>    [<ffffffffb3a30645>] do_softirq+0x65/0xa0
>    [<ffffffffb3aa78d5>] irq_exit+0x105/0x110
>    [<ffffffffb41d8996>] do_IRQ+0x56/0xf0
> 
> [...]

Here is the summary with links:
  - [v2,1/1] qed: Fix scheduling in a tasklet while getting stats
    https://git.kernel.org/netdev/net/c/e346e231b42b

You are awesome, thank you!
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