Yeah, at least we have to apply the first two to fix a bug related to 
unmaskable MSI. 
Xiantao
-----Original Message-----
From: Keir Fraser [mailto:keir.fraser@xxxxxxxxxxxxx] 
Sent: Tuesday, January 26, 2010 10:26 PM
To: Zhang, Xiantao; xen-devel@xxxxxxxxxxxxxxxxxxx
Subject: Re: [PATCH] enhancement for unmaskable MSI and two cosmetic fixes.
Are these essential for 4.0.0? I've just tagged -rc2, so they've missed
that.
 -- Keir
On 26/01/2010 14:10, "Zhang, Xiantao" <xiantao.zhang@xxxxxxxxx> wrote:
> 0001: Revert 20334, since it doesn't solve the race for all corner cases.
> 0002: Fixed unmaskable MSI's IRQ migration.
> 0003: Reduce eoi stack's size to save per-cpu area.
> 0004: polarity-switch method for EOI message is only used for non-directed-eoi
> case. 
> Xiantao
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