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

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Message-ID: <alpine.DEB.2.21.1908300028360.1938@nanos.tec.linutronix.de>
Date:   Fri, 30 Aug 2019 00:29:21 +0200 (CEST)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
cc:     Ingo Molnar <mingo@...e.hu>, "H. Peter Anvin" <hpa@...or.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: linux-next: build warning from Linus' tree

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