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Re: [Xen-devel] [PATCH] Only retry mapping pages when ENOENT is returned

To: Andres Lagar-Cavilla <andres@xxxxxxxxxxxxxxxx>
From: Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>
Date: Tue, 10 Jan 2012 15:35:46 +0000
Cc: "andres@xxxxxxxxxxxxxx" <andres@xxxxxxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Ian Campbell <Ian.Campbell@xxxxxxxxxx>, "adin@xxxxxxxxxxxxxx" <adin@xxxxxxxxxxxxxx>
Delivery-date: Tue, 10 Jan 2012 15:37:03 +0000
List-id: Xen developer discussion <xen-devel.lists.xensource.com>

Andres Lagar-Cavilla writes ("[PATCH] Only retry mapping pages when ENOENT is 
returned"):
> If the return value from the ioctl() is not ENOENT, it's possible that err[i]
> will not be updated and libxc will just loop forever.  Although it's unlikely
> that err[i] would not be updated after the ioctl() gets through at least once,
> it's better to be defensive.

Committed-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>

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References:
- [Xen-devel] [PATCH] Only retry mapping pages when ENOENT is returned
  - From: Andres Lagar-Cavilla

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