Dear Steve

Thank you for reply.

Is it ok needsexclusive is set when write miss happen,and the copy of the block will be made in a upper cache,and other shared blocks have to be invalidated?

May I ask you another question?
what is the different between ReadReq and ReadExReq?
Is is ok that ReadExReq is used when write miss happen.

thanks
Keitarou OKa

(2011/06/05 1:46), Steve Reinhardt wrote:
It indicates that the requester needs an exclusive copy of the block,
typically because it's a write miss.

Steve

On Sat, Jun 4, 2011 at 2:19 AM, Keitarou Oka<o...@soc.ait.kyushu-u.ac.jp>  
wrote:
Dear M5,

I can't understand what needsExclusive stand for,which is function in
src/mem/packet.hh.
What is the situation when NeedsExclusive become on?
Could anyone help me?

Thank you.
Keitarou Oka
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