Re: [PATCH v7 5/9] ARM: Enable erratum 798181 for Broadcom Brahma-B15

[Will Deacon]

On Wed, Feb 26, 2014 at 10:29:08AM +0000, Marc Carino wrote:
> From: Gregory Fong <gregory.0xf0@xxxxxxxxx>
> 
> Broadcom Brahma-B15 (r0p0..r0p2) is also affected by Cortex-A15
> erratum 798181, so enable the workaround for Brahma-B15.

Really... *exactly* the same erratum? That sounds pretty unlikely, so I'd
really like to be sure that the workaround we have indeed solves your
problem (issuing a dummy TLBI to 0x0 + dsb, then followed by a dmb + clrex
on each core). The point is that the workaround doesn't simply perform
non-shareable invalidation on each core using IPIs.

/me counts the days until we need this code in arch/arm64.

Will
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