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SubjectRe: [PATCH 09/15] powerpc/watchpoint: Convert thread_struct->hw_brk to an array

Le 18/03/2020 à 09:36, Ravi Bangoria a écrit :
> On 3/17/20 4:07 PM, Christophe Leroy wrote:
>> Le 09/03/2020 à 09:58, Ravi Bangoria a écrit :
>>> So far powerpc hw supported only one watchpoint. But Future Power
>>> architecture is introducing 2nd DAWR. Convert thread_struct->hw_brk
>>> into an array.
>> Looks like you are doing a lot more than that in this patch.
>> Should this patch be splitted in two parts ?
> So far thread_struct->hw_brk was a normal variable so accessing it was
> simple.
> Once it gets converted into an array, loop needs to be used to access
> it. So
> all misc changes are basically converting simple access into loops.
> I don't see how this can be splitted.

You could first change all thread_struct->hw_brk to
thread_struct->hw_brk[0] or thread_struct->hw_brk[i] when you know that
i can only be 0 for now. Then add the loops and new functions in a
second patch.


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