linux-kernel - Re: Linux 6.16-rc1

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Message-ID: <f5a9f126-6412-4c95-9070-1af1265311db@roeck-us.net>
Date: Mon, 23 Jun 2025 06:47:36 -0700
From: Guenter Roeck <linux@...ck-us.net>
To: Pratyush Yadav <pratyush@...nel.org>
Cc: Linus Torvalds <torvalds@...ux-foundation.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 Mon, Jun 23, 2025 at 01:17:27PM +0200, Pratyush Yadav wrote:
> 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?
> 
10.0.2. I didn't try with other versions.

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

Thanks,
Guenter

> [0] https://lore.kernel.org/linux-mtd/mafs01prbvbjm.fsf@kernel.org/
> 
> -- 
> Regards,
> Pratyush Yadav