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

Gregory Fong gregory.0xf0 at gmail.com
Wed Feb 26 19:38:20 EST 2014

Hi Will,

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


More information about the linux-arm-kernel mailing list