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Date: Wed, 27 Jan 2016 16:37:39 +0000
From: Will Deacon <will.deacon@arm.com>
To: Guenter Roeck <linux@roeck-us.net>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	stable <stable@vger.kernel.org>,
	Nicolas Dichtel <nicolas.dichtel@6wind.com>
Subject: Re: Build failures in v3.10-stable-queue, v3.14-stable-queue (+4.1,
 4.3, 4.4)
Message-ID: <20160127163739.GA25545@arm.com>
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 <56A8F199.5090409@roeck-us.net>
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On Wed, Jan 27, 2016 at 08:34:33AM -0800, Guenter Roeck wrote:
> On 01/27/2016 04:22 AM, Guenter Roeck wrote:
> [ ... ]
> 
> >---
> >mn10300 (v3.10, v3.14):
> >
> >kernel/uid16.c:19:1: error: unknown type name 'old_uid_t'
> >kernel/uid16.c:19:1: error: unknown type name 'old_gid_t'
> >ipc/util.c:609:2: error: 'old_uid_t' undeclared
> >
> >and other similar errors. Requires c86576ea114a ("mn10300: Select CONFIG_HAVE_UID16
> >to fix build failure"). Results in minor easy to resolve conflict in v3.10.y (I didn't
> >check v3.14.y). Let me know if you need a backport.
> >
> 4.1 and 4.3 are also affected by this problem.
> 
> ---
> arm64 (4.1, 4.3):
> 
> allmodconfig core dumps (oops). I'll need to look into that one.
> 
> arm64 (4.3, 4,4):
> 
> qemu emulation fails (is stuck completely). This also happens in mainline.
> Culprit is 'arm64: kernel: enforce pmuserenr_el0 initialization and restore'.
> The fix is not yet in mainline, only in -next.

I've got the fix sitting in the arm64 fixes branch and will send the pull
later today.

Will