linux-kernel - Re: [PATCH 5/5] ARC: allow userspace DSP applications to use AGU extensions

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Message-ID: <f19992fb-9226-f3db-fda7-2eed0ab75188@synopsys.com>
Date:   Tue, 7 Jan 2020 18:30:17 +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:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "Alexey Brodkin" <Alexey.Brodkin@...opsys.com>
Subject: Re: [PATCH 5/5] ARC: allow userspace DSP applications to use AGU
 extensions

On 12/27/19 10:03 AM, 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>

Similar comments apply to this as 4/5. Looks good otherwise !

-Vineet