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From: Thomas Gleixner <tglx@linutronix.de>
To: Fengguang Wu <fengguang.wu@intel.com>
Cc: tipbuild@zytor.com,
	Vikas Shivappa <vikas.shivappa@linux.intel.com>,
	kbuild-all@01.org, LKML <linux-kernel@vger.kernel.org>,
	"H. Peter Anvin" <hpa@zytor.com>
Subject: Re: [kbuild-all] [tip:x86/cpu 8/12] arch/x86/kernel/cpu/intel_rdt.c:63: error: unknown field 'cache' specified in initializer
Date: Mon, 17 Apr 2017 10:11:30 +0200 (CEST)	[thread overview]
Message-ID: <alpine.DEB.2.20.1704170941430.2327@nanos> (raw)
In-Reply-To: <20170417020050.chexrahs3xmayaft@wfg-t540p.sh.intel.com>

On Mon, 17 Apr 2017, Fengguang Wu wrote:
> > So the compiler fails to handle the anon union, which was introduced in
> > 05b93417ce5b924. No idea why, but that concept is not new and widely used
> > in the kernel already.
> 
> It looks like a problem with gcc 4.4:
> 
>        Bug 42875 - gcc disallows named initializers for anonymous unions
>        https://gcc.gnu.org/bugzilla/show_bug.cgi?id=42875
>        https://gcc.gnu.org/bugzilla/show_bug.cgi?id=10676
> 
>        gcc-4.4.3 lets you statically initialize named fields, and
>        lets you assign to anonymous union members, but you cannot
>        statically initialize a named member of an anonymous union.

Bah. I'll fix it up.

Thanks,

	tglx

      reply	other threads:[~2017-04-17  8:11 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-14 21:12 kbuild test robot
2017-04-15  5:40 ` Thomas Gleixner
2017-04-17  2:00   ` [kbuild-all] " Fengguang Wu
2017-04-17  8:11     ` Thomas Gleixner [this message]

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