From: Ryo Takakura <ryotkkr98@gmail.com>
To: pmladek@suse.com
Cc: Jason@zx2c4.com, gregkh@linuxfoundation.org,
john.ogness@linutronix.de, linux-kernel@vger.kernel.org,
linux-serial@vger.kernel.org, lkp@intel.com,
oe-lkp@lists.linux.dev, oliver.sang@intel.com,
ryotkkr98@gmail.com
Subject: Re: [PATCH] rslib: Add scheduling points during the test
Date: Mon, 12 May 2025 22:57:11 +0900 [thread overview]
Message-ID: <20250512135711.5307-1-ryotkkr98@gmail.com> (raw)
In-Reply-To: <aCHfvBOY0vQ58uaC@pathway.suse.cz>
On Mon, 12 May 2025 13:47:08 +0200, Petr Mladek wrote:
>On Sat 2025-05-10 10:35:15, Ryo Takakura wrote:
>> The test has been prone to softlockup but stayed unnoticed because
>> of the printk calls during the test resets the soflockup watchdog by
>> calling touch_nmi_watchdog(). With the commit b63e6f60eab4 ("serial:
>> 8250: Switch to nbcon console"), the printk calls no longer suppress
>> the softlockup and warnings can be observed more evidently that shows
>> the test needs more scheduling points.
>>
>> Provide scheduling points by adding cond_resched() for each test
>> iteration on their up to/beyond error correction capacity.
>>
>
>We should add here:
>
>Reported-by: kernel test robot <oliver.sang@intel.com>
>Closes: https://lore.kernel.org/oe-lkp/202501221029.fb0d574d-lkp@intel.com
>
>> Signed-off-by: Ryo Takakura <ryotkkr98@gmail.com>
>
>Otherwise, it looks good to me:
>
>Reviewed-by: Petr Mladek <pmladek@suse.com>
>
>Thanks a lot for nailing it down.
I totally forgot the Reported-by and Closes, thanks!
I'll add them along with your Reviewed-by.
Sincerely,
Ryo Takakura
>Best Regards,
>Petr
prev parent reply other threads:[~2025-05-12 13:57 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-10 1:35 [PATCH] rslib: Add scheduling points during the test Ryo Takakura
2025-05-12 8:16 ` John Ogness
2025-05-12 13:54 ` Ryo Takakura
2025-05-12 11:47 ` Petr Mladek
2025-05-12 13:57 ` Ryo Takakura [this message]
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