Re: Does unmap() flush tlb on other cores

Thank you very much.
You are really helpful!
I have looked at that code and understand it very well.

Yuxin

On Tue, Sep 23, 2014 at 1:42 AM, Adam Lackorzynski <
[email protected]> wrote:

> On Thu Sep 18, 2014 at 21:38:30 -0400, Yuxin Ren wrote:
> > I have question about tlb flush.
> > When a memory page is unmaped, do we always flush tlb of all other cores?
> > Or do we have some way to track which core to flush?
> > If so, how do we track that information?
> > And it would be better if some one can show the code in the kernel to do
> > that.
>
> Please look for active_tlb() in Context and global_flush() in
> map_util.cpp where the flush is done according to the active_tlb mask.
>
>
>
> Adam
> --
> Adam                 [email protected]
>   Lackorzynski         http://os.inf.tu-dresden.de/~adam/
>
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