From: Thorsten Leemhuis <regressions@leemhuis.info>
To: regressions@lists.linux.dev
Cc: netdev@vger.kernel.org
Subject: Re: [REGRESSION] Re: [PATCH v2] net: fec: Use a spinlock to guard `fep->ptp_clk_on` #forregzbot
Date: Thu, 22 Sep 2022 12:58:53 +0200 [thread overview]
Message-ID: <fc761257-d8e2-8f3e-fd49-1584fe414c07@leemhuis.info> (raw)
In-Reply-To: <f026b273-472a-8af9-c9be-c08be0f60d53@leemhuis.info>
On 18.09.22 20:59, Thorsten Leemhuis wrote:
> TWIMC: this mail is primarily send for documentation purposes and for
> regzbot, my Linux kernel regression tracking bot. These mails usually
> contain '#forregzbot' in the subject, to make them easy to spot and filter.
>
> On 14.09.22 15:53, Guenter Roeck wrote:
>> On Thu, Sep 01, 2022 at 04:04:03PM +0200, Csókás Bence wrote:
>>> Mutexes cannot be taken in a non-preemptible context,
>>> causing a panic in `fec_ptp_save_state()`. Replacing
>>> `ptp_clk_mutex` by `tmreg_lock` fixes this.
>>>
>>> Fixes: 6a4d7234ae9a ("net: fec: ptp: avoid register access when ipg clock is disabled")
>>> Fixes: f79959220fa5 ("fec: Restart PPS after link state change")
>>> Reported-by: Marc Kleine-Budde <mkl@pengutronix.de>
>>> Link: https://lore.kernel.org/all/20220827160922.642zlcd5foopozru@pengutronix.de/
>>> Signed-off-by: Csókás Bence <csokas.bence@prolan.hu>
>>
>> For regzbot:
>
> Thanks for the report. To be sure below issue doesn't fall through the
> cracks unnoticed, I'm adding it to regzbot, my Linux kernel regression
> tracking bot:
>
> #regzbot ^introduced b353b241f1eb9b626
> #regzbot title net: fec: backtrace: BUG: sleeping function called from
> invalid context at drivers/clk/imx/clk-pllv3.c
> #regzbot ignore-activity
> #regzbot monitor:
> https://lore.kernel.org/all/20220912073106.2544207-1-bence98@sch.bme.hu/
> #regzbot monitor:
> https://lore.kernel.org/all/20220912070143.98153-1-francesco.dolcini@toradex.com/
#regzbot fixed-by: 01b825f997ac28f
prev parent reply other threads:[~2022-09-22 10:59 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-01 14:04 [PATCH v2] net: fec: Use a spinlock to guard `fep->ptp_clk_on` Csókás Bence
2022-09-01 15:04 ` Francesco Dolcini
2022-09-02 7:18 ` Csókás Bence
2022-09-01 16:26 ` Florian Fainelli
2022-09-02 7:35 ` Csókás Bence
2022-09-02 15:47 ` Florian Fainelli
2022-09-02 17:04 ` Francesco Dolcini
2022-09-03 4:30 ` patchwork-bot+netdevbpf
2022-09-05 7:38 ` Marc Kleine-Budde
2022-09-07 14:39 ` Marc Kleine-Budde
2022-09-09 13:56 ` Francesco Dolcini
2022-09-10 17:08 ` Csókás Bence
2022-09-14 14:53 ` [REGRESSION] " Guenter Roeck
2022-09-18 18:59 ` [REGRESSION] Re: [PATCH v2] net: fec: Use a spinlock to guard `fep->ptp_clk_on` #forregzbot Thorsten Leemhuis
2022-09-22 10:58 ` Thorsten Leemhuis [this message]
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