Re: [Xen-devel] [for-xen-4.5 PATCH v2 2/2] dpci: Add ZOMBIE state to allow the softirq to finish with the dpci_pirq.

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

On Thu, Nov 20, 2014 at 09:18:30PM +0100, Sander Eikelenboom wrote:
> 
> Thursday, November 20, 2014, 8:51:33 PM, you wrote:
> 
> > Ah crud.
> 
> > So a simple fix could be to seperate the 'state' to only deal with the
> > raise_softirq and softirq_dpci. And then add a new (old) 'masked' to
> > deal between hvm_dirq_assist, pt_irq_guest_eoi and hvm_do_IRQ_dpci.
> 
> 
> > From 94a98e20a8ab721a58788919f92e3524a6c6e25c Mon Sep 17 00:00:00 2001
> > From: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
> > Date: Thu, 20 Nov 2014 14:28:11 -0500
> > Subject: [PATCH] dpci: Add 'masked' as an gate for hvm_dirq_assist to 
> > process.
> 
> > commit f6dd295381f4b6a66acddacf46bca8940586c8d8
> > "dpci: replace tasklet with softirq" used the 'masked' as an
> > two-bit state mechanism (STATE_SCHED, STATE_RUN) to communicate
> > between 'raise_softirq_for' and 'dpci_softirq' to determine whether
> > the 'struct hvm_pirq_dpci' can be re-scheduled.
> 
> <SNIP>
> 
> Hi Konrad,
> 
> Is this patch supposed to replace both the previous ones ?

Yes.
> 
> --
> Sander
> 

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