linux-kernel - Re: [PATCH AUTOSEL for 4.14 043/161] MIPS: JZ4770: Work around config2 misreporting associativity

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Date:   Mon, 9 Apr 2018 21:08:38 +0100
From:   James Hogan <jhogan@...nel.org>
To:     Sasha Levin <Alexander.Levin@...rosoft.com>
Cc:     "stable@...r.kernel.org" <stable@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Maarten ter Huurne <maarten@...ewalker.org>,
        Ralf Baechle <ralf@...ux-mips.org>,
        "linux-mips@...ux-mips.org" <linux-mips@...ux-mips.org>
Subject: Re: [PATCH AUTOSEL for 4.14 043/161] MIPS: JZ4770: Work around
 config2 misreporting associativity

On Mon, Apr 09, 2018 at 12:20:20AM +0000, Sasha Levin wrote:
> From: Maarten ter Huurne <maarten@...ewalker.org>
> 
> [ Upstream commit 1f7412e0e2f327fe7dc5a0c2fc36d7b319d05d47 ]
> 
> According to config2, the associativity would be 5-ways, but the
> documentation states 4-ways, which also matches the documented
> L2 cache size of 256 kB.

JZ4770 support is new in 4.16, so no need for this to be backported.
More likely it'll just break the build due to references to
MACH_INGENIC_JZ4770.

Cheers
James

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