All of lore.kernel.org
 help / color / mirror / Atom feed
From: Robin Murphy <robin.murphy@arm.com>
To: Qian Cai <quic_qiancai@quicinc.com>, Bing Fan <hptsfb@gmail.com>,
	gregkh@linuxfoundation.org, Bing Fan <tombinfan@tencent.com>
Cc: linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org,
	Linux ARM <linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH v5] arm pl011 serial: support multi-irq request
Date: Mon, 26 Jul 2021 21:36:21 +0100	[thread overview]
Message-ID: <7535ae2f-6a12-8203-0498-8ac85ab0d9a7@arm.com> (raw)
In-Reply-To: <a1843494-5c8e-1ec8-5b98-df318db40922@quicinc.com>

On 2021-07-26 17:39, Qian Cai wrote:
> 
> 
> On 7/26/2021 3:17 AM, Bing Fan wrote:
>> Hello,
>>
>> I tried to reproduce, but unfortunately, it didn't, and the dmesg log as
>> attachment.
>>
>> I had enabled CONFIG_KASAN and CONFIG_SLUB_DEBUG_ON configs.
>>
>> Can you describe the flow of your operation?
>>
> Nothing fancy. Just boot a baremetal ARM server on linux-next could trigger it.
> The .config is here.

The important point you're missing, but which the KASAN dump does hint 
at, is that that is a machine with SBSA generic UARTs booting via ACPI - 
I know it doesn't do DT at all because I have one too. What matters 
there is that pl011 binds as a platform driver, *not* an amba driver.

Robin.

WARNING: multiple messages have this Message-ID (diff)
From: Robin Murphy <robin.murphy@arm.com>
To: Qian Cai <quic_qiancai@quicinc.com>, Bing Fan <hptsfb@gmail.com>,
	gregkh@linuxfoundation.org, Bing Fan <tombinfan@tencent.com>
Cc: linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org,
	Linux ARM <linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH v5] arm pl011 serial: support multi-irq request
Date: Mon, 26 Jul 2021 21:36:21 +0100	[thread overview]
Message-ID: <7535ae2f-6a12-8203-0498-8ac85ab0d9a7@arm.com> (raw)
In-Reply-To: <a1843494-5c8e-1ec8-5b98-df318db40922@quicinc.com>

On 2021-07-26 17:39, Qian Cai wrote:
> 
> 
> On 7/26/2021 3:17 AM, Bing Fan wrote:
>> Hello,
>>
>> I tried to reproduce, but unfortunately, it didn't, and the dmesg log as
>> attachment.
>>
>> I had enabled CONFIG_KASAN and CONFIG_SLUB_DEBUG_ON configs.
>>
>> Can you describe the flow of your operation?
>>
> Nothing fancy. Just boot a baremetal ARM server on linux-next could trigger it.
> The .config is here.

The important point you're missing, but which the KASAN dump does hint 
at, is that that is a machine with SBSA generic UARTs booting via ACPI - 
I know it doesn't do DT at all because I have one too. What matters 
there is that pl011 binds as a platform driver, *not* an amba driver.

Robin.

_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  reply	other threads:[~2021-07-26 20:36 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-01  1:38 [PATCH v5] arm pl011 serial: support multi-irq request Bing Fan
2021-07-23 16:47 ` Qian Cai
2021-07-23 16:47   ` Qian Cai
2021-07-26  7:17   ` Bing Fan
2021-07-26  7:17     ` Bing Fan
2021-07-26 16:39     ` Qian Cai
2021-07-26 16:39       ` Qian Cai
2021-07-26 20:36       ` Robin Murphy [this message]
2021-07-26 20:36         ` Robin Murphy
2021-07-26 20:56         ` Qian Cai
2021-07-26 20:56           ` Qian Cai
2021-07-26 21:14           ` Robin Murphy
2021-07-26 21:14             ` Robin Murphy
2021-07-27  2:57             ` Bing Fan
2021-07-27  2:57               ` Bing Fan
2021-08-12 14:31               ` Qian Cai
2021-08-12 14:31                 ` Qian Cai
     [not found]                 ` <67cd6c830e33491e99ea4d2480f4a89d@tencent.com>
     [not found]                   ` <09918b566884413898f63b92ddd037a0@tencent.com>
2021-08-13 13:42                     ` [Internet]Re: " Qian Cai
2021-08-13 13:42                       ` Qian Cai
2021-08-13 15:01                       ` gregkh
2021-08-13 15:01                         ` gregkh
2021-08-13 15:09                         ` Robin Murphy
2021-08-13 15:09                           ` Robin Murphy
2021-08-13 15:14                           ` gregkh
2021-08-13 15:14                             ` gregkh
2021-08-13 15:28                             ` Qian Cai
2021-08-13 15:28                               ` Qian Cai

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=7535ae2f-6a12-8203-0498-8ac85ab0d9a7@arm.com \
    --to=robin.murphy@arm.com \
    --cc=gregkh@linuxfoundation.org \
    --cc=hptsfb@gmail.com \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-serial@vger.kernel.org \
    --cc=quic_qiancai@quicinc.com \
    --cc=tombinfan@tencent.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.