Subject: Re: linux-next: build warning from Linus' tree

From: Thomas Gleixner <[email-masked]>
Date: Fri, 30 Aug 2019 00:29:21 +0200 (CEST)

Stephen,

On Fri, 30 Aug 2019, Stephen Rothwell wrote:

> Hi all,
> 
> From Linus tree, today's linux-next build (x86_64 allmodconfig)
> produced this warning:
> 
> arch/x86/boot/edd.c: In function 'query_edd':
> arch/x86/boot/edd.c:148:11: warning: taking address of packed member of 'struct boot_params' may result in an unaligned pointer value [-Waddress-of-packed-member]
>   148 |  mbrptr = boot_params.edd_mbr_sig_buffer;
>       |           ^~~~~~~~~~~
> 
> I assume this is a result of upgrading my x86_64 cross compiler to v9.2.1
> (from v8.3.0).

Yes. We have a fix queued which should hit next tomorrow.

Thanks,

	tglx