Re: [9fans] copy on reference on mp (copymode)

[Russ Cox]

On Tue, Aug 10, 2010 at 9:06 AM,  <cinap_len...@gmx.de> wrote:
> just out of curiosity: why is copy-on-write changed to
> copy-on-reference when the machine is a multi
> processor system?

otherwise you need tlb shootdowns.