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

[Gregory Fong]

Hi Will,

On Wed, Feb 26, 2014 at 2:47 AM, Will Deacon <will.deacon@xxxxxxx> wrote:
> 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.

Yes, it should be the same.  I've sent you more detail off-list.

Regards,
Gregory
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/