linux-kernel - Re: Linux 6.16-rc1

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Message-ID: <mafs0wm92u2pk.fsf@kernel.org>
Date: Mon, 23 Jun 2025 13:17:27 +0200
From: Pratyush Yadav <pratyush@...nel.org>
To: Guenter Roeck <linux@...ck-us.net>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>,  Pratyush Yadav
 <pratyush@...nel.org>,  Linux Kernel Mailing List
 <linux-kernel@...r.kernel.org>,  Alexander Usyskin
 <alexander.usyskin@...el.com>,  Miquel Raynal <miquel.raynal@...tlin.com>
Subject: Re: Linux 6.16-rc1

On Sun, Jun 22 2025, Guenter Roeck wrote:

> On Sat, Jun 21, 2025 at 08:59:46AM -0700, Linus Torvalds wrote:
>> On Sat, 21 Jun 2025 at 05:44, Pratyush Yadav <pratyush@...nel.org> wrote:
>> >
>> > I don't have much idea of how people use qemu for testing, but since you
>> > say this is important for testing workloads, I can take a deeper dive
>> > next week and have an answer by -rc4.
>> 
>> Thanks. I'm not sure *how* important this is, but if it affects
>> Guenter's test coverage, I assume it affects others too.
>> 
>> But it's not entirely clear how much it *does* affect Guenter. He says
>> five failed tests, but those are all accounted for by the master
>> device thing.
>> 
>> Guenter, maybe you can clarify?
>> 
>
> Sorry for the delay; I was travelling.
>
> I modified qemu to make the flash type configurable, so it is not a problem
> for me. However, anyone using upstream qemu will see the problem. My qemu patch
> adding the option to configure the flash type was rejected, so those affected
> will have to wait for a proper qemu fix.
>
> I would suggest to not make any changes in the kernel: The qemu problems should be
> fixed in qemu. I only brought this up to raise awareness that there is a qemu related
> problem, not to ask for a change in the Linux kernel.

In case you missed it, see my reply in [0]. For me the flash works fine
with qemu v10.0.0. Which version do you have?

Anyway, I agree with you. Without further evidence, I think the kernel
side is fine and no fixes should be needed.

[0] https://lore.kernel.org/linux-mtd/mafs01prbvbjm.fsf@kernel.org/

-- 
Regards,
Pratyush Yadav