Messages in this thread | | | From | Gregory Fong <> | Date | Wed, 26 Feb 2014 16:38:20 -0800 | Subject | Re: [PATCH v7 5/9] ARM: Enable erratum 798181 for Broadcom Brahma-B15 |
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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
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