linux-kernel - Re: linux-next: runtime warning after merge of the driver-core tree

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Message-ID: <20230307174855.73b474df@canb.auug.org.au>
Date:   Tue, 7 Mar 2023 17:48:55 +1100
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Greg KH <greg@...ah.com>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: linux-next: runtime warning after merge of the driver-core tree

Hi Greg,

On Tue, 7 Mar 2023 07:31:57 +0100 Greg KH <greg@...ah.com> wrote:
>
> On Tue, Mar 07, 2023 at 01:43:13PM +1100, Stephen Rothwell wrote:
> > Hi all,
> > 
> > After merging the driver-core tree, today's linux-next qemu boot
> > (powerpc pseries_le_defconfig) produced this boot time warning:
> > 
> > HugeTLB: 0 KiB vmemmap can be freed for a 1.00 GiB page
> > sysfs: cannot create duplicate filename '//block'  
> 
> That is odd.  What type of userspace are you running this with?  And is
> there a pointer to the .config anywhere?  No one should be needing this
> old config option anymore, but maybe I messed something up in removing
> it...
The userspace is a trivial PowerPC LE initramfs that just shuts down
after it boots.  However, the warning occurs before the initramfs is
even unpacked.

I have attached the generated .config

-- 
Cheers,
Stephen Rothwell

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