linux-kernel - Re: [PATCH v2 4/4] ARC: allow userspace DSP applications to use AGU extensions

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Message-ID: <35b18191-24bb-c098-57bc-2521cdbf26cb@synopsys.com>
Date:   Wed, 11 Mar 2020 19:15:11 +0000
From:   Vineet Gupta <Vineet.Gupta1@...opsys.com>
To:     Eugeniy Paltsev <Eugeniy.Paltsev@...opsys.com>,
        "linux-snps-arc@...ts.infradead.org" 
        <linux-snps-arc@...ts.infradead.org>
CC:     Alexey Brodkin <Alexey.Brodkin@...opsys.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 4/4] ARC: allow userspace DSP applications to use AGU
 extensions

On 3/5/20 12:02 PM, Eugeniy Paltsev wrote:
> To be able to run DSP-enabled userspace applications with AGU
> (address generation unit) extensions we additionally need to
> save and restore following registers at context switch:
>  * AGU_AP*
>  * AGU_OS*
>  * AGU_MOD*
> 
> Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@...opsys.com>

Acked-by: Vineet Gupta <vgupta@...opsys.com>