linux-kernel - Re: [PATCH 0/3] Krait VFP fixes

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Date:	Sun, 21 Sep 2014 12:40:43 -0400
From:	Rob Clark <robdclark@...il.com>
To:	Stephen Boyd <sboyd@...eaurora.org>
Cc:	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	linux-arm-msm <linux-arm-msm@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Will Deacon <will.deacon@....com>
Subject: Re: [PATCH 0/3] Krait VFP fixes

On Thu, Sep 18, 2014 at 5:43 PM, Stephen Boyd <sboyd@...eaurora.org> wrote:
> These changes allow us to support VFP correctly on Krait processors.
> They also fix short vector emulation for Cortex-A15 and Krait.

fwiw, without these patches we were having problems w/ rpm in fedora,
which was looking for vfpv3 bits to decide whether the arch was
hardfloat or not.  With this patchset applied, this is solved.  So for
the series:

Tested-by: Rob Clark <robdclark@...il.com>


> Stepan Moskovchenko (1):
>   arm: vfp: Bounce undefined instructions in vectored mode
>
> Stephen Boyd (2):
>   ARM: vfp: Workaround bad MVFR1 register on some Kraits
>   ARM: vfp: fix VFPv3 hwcap detection on non-ARM vfp implementations
>
>  arch/arm/include/asm/cputype.h | 1 +
>  arch/arm/include/asm/vfp.h     | 2 +-
>  arch/arm/mm/proc-v7.S          | 5 +++--
>  arch/arm/vfp/vfphw.S           | 6 ++++++
>  arch/arm/vfp/vfpmodule.c       | 7 +++++++
>  5 files changed, 18 insertions(+), 3 deletions(-)
>
> --
> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
> hosted by The Linux Foundation
>
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