linux-kernel - Re: [PATCH v2 01/19] ARC: mm: use SCRATCH_DATA0 register for caching pgdir in ARCv2 only

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Message-ID: <e524546f-92e3-38b9-c72f-ac8ac0c013c9@kernel.org>
Date:   Mon, 16 Aug 2021 12:45:03 -0700
From:   Vineet Gupta <vgupta@...nel.org>
To:     Mike Rapoport <rppt@...nel.org>, Vineet Gupta <vgupta@...nel.org>
Cc:     linux-snps-arc@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org, Anshuman Khandual <anshuman.khandual@....com>
Subject: Re: [PATCH v2 01/19] ARC: mm: use SCRATCH_DATA0 register for caching
 pgdir in ARCv2 only

On 8/15/21 2:27 AM, Mike Rapoport wrote:
> On Thu, Aug 12, 2021 at 04:37:35PM -0700, Vineet Gupta wrote:
>> MMU SCRATCH_DATA0 register is intended to cache task pgd. However in
>> ARC700 SMP port, it has to be repurposed for reentrant interrupt
>> handling, while UP port doesn't. We  currently ahandle boe usecases
> 					       ^ handle both
>
> maybe ':set spell' for changelog editing? ;-)

Seriously, about time I stopped fat-fingering