linux-kernel - Re: [PATCH v2 09/31] arm64: Cache maintenance routines

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Message-ID: <CAMQu2gz1A5VCTFS_7vzBhnaLhbEKUOhpH-KfFbrE6YhaLDDxXA@mail.gmail.com>
Date:	Fri, 17 Aug 2012 15:42:07 +0530
From:	"Shilimkar, Santosh" <santosh.shilimkar@...com>
To:	Catalin Marinas <catalin.marinas@....com>
Cc:	"linux-arch@...r.kernel.org" <linux-arch@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Arnd Bergmann <arnd@...db.de>,
	Will Deacon <Will.Deacon@....com>
Subject: Re: [PATCH v2 09/31] arm64: Cache maintenance routines

On Fri, Aug 17, 2012 at 3:37 PM, Catalin Marinas
<catalin.marinas@....com> wrote:
> On Fri, Aug 17, 2012 at 10:57:20AM +0100, Santosh Shilimkar wrote:
>> On Tuesday 14 August 2012 11:22 PM, Catalin Marinas wrote:
>> > +ENTRY(__cpuc_flush_dcache_all)
>>
>> We have discussed the need of cache maintenance by
>> level kind of API for ARMv7 (A15).
>>
>> Shouldn't we add such API for arm64 as well ?
>
> Yes, at some point we'll probably add but we'll discuss it again when
> actually needed. I wouldn't define new API now that's not used by any
> AArch64 code.
>
The patches are already on the list for ARMv7 and just waiting to merge
two approaches.
I agree once it is getting merged for ARMv7 and ARMv8 port can be
updated.

Regards
Santosh
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