lkml.org 
[lkml]   [2014]   [Feb]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [PATCH v7 5/9] ARM: Enable erratum 798181 for Broadcom Brahma-B15
Hi Will,

On Wed, Feb 26, 2014 at 2:47 AM, Will Deacon <will.deacon@arm.com> wrote:
> On Wed, Feb 26, 2014 at 10:29:08AM +0000, Marc Carino wrote:
>> From: Gregory Fong <gregory.0xf0@gmail.com>
>>
>> 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


\
 
 \ /
  Last update: 2014-02-27 02:21    [W:0.751 / U:1.064 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site