[aarch64-port-dev ] RFR: 8079203: aarch64: need to cater for different partner implementations

[Edward Nevill]

On 1 May 2015 at 15:05, Andrew Dinn <adinn at redhat.com> wrote:

> On 01/05/15 13:19, Edward Nevill wrote:The patch looks ok to me --
> although I have no idea why you need those
> extra nops before madd, msub etc when CPU_A53MAC is set. Is there an
> explanation available beyond 'black magic demands . . .'?
>

Read the A53 errata document @

http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.epm048406/index.html

Page 14 is the relevant page.

All the best,
Ed.