Re: [RFC] need to improve slot creation/destruction? -- Re: [RFC][PATCH] srcu: Implement call_srcu()

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On Wed, 8 Feb 2012 16:45:31 -0200
Marcelo Tosatti <mtosatti@xxxxxxxxxx> wrote:

> > For 3:  I think doing both "write protection" and "shadow flush" is unnecessary.
> 
> If you enable dirty logging on a slot, certainly you have to write
> protect?

When we enable dirty logging, yes.

> 
> > BTW do we really need fast slot creation/destruction?
> 
> At the moment yes. Boot a RHEL/Fedora installation disk (or any other
> guest which uses SYSLINUX splash screen) and you will see. That
> particular case is a limitation of cirrus in QEMU, ideally it should be
> optimized there.
> 

I've checked;  limiting flush to that slot seems to be good.
I will send a patch soon.

	Takuya
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