From: Olaf Hering <olaf@aepfle.de>
To: Ian Campbell <Ian.Campbell@eu.citrix.com>
Cc: Tim Deegan <Tim.Deegan@eu.citrix.com>,
"xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>
Subject: Re: [PATCH] tools: fix build after recent xenpaging changes
Date: Fri, 24 Jun 2011 15:57:08 +0200 [thread overview]
Message-ID: <20110624135708.GA28839@aepfle.de> (raw)
In-Reply-To: <1308923299.32717.109.camel@zakaz.uk.xensource.com>
On Fri, Jun 24, Ian Campbell wrote:
> In fact since the page-in thread is doing relatively expensive work I'd
> expect that the trigger loop would get to run several iterations for
> each time the page-in loop ran..
That did not happen for me, I will think about it.
> > If the caller of page_in_trigger will find the gfn is still in paging
> > state, it will just try again.
>
> I don't see where it would go back and try page 1 again if it gets
> missed (as in the above example)
The break exits the for() loop, not the while(1). In the next iteration
page 1 may still be in paging->bitmap and tried again.
Olaf
next prev parent reply other threads:[~2011-06-24 13:57 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-24 12:16 [PATCH] tools: fix build after recent xenpaging changes Tim Deegan
2011-06-24 12:24 ` Olaf Hering
2011-06-24 12:33 ` Ian Campbell
2011-06-24 13:32 ` Olaf Hering
2011-06-24 13:48 ` Ian Campbell
2011-06-24 13:57 ` Olaf Hering [this message]
2011-06-24 14:30 ` Ian Campbell
2011-06-24 14:35 ` Olaf Hering
2011-06-24 14:41 ` Ian Campbell
2011-06-24 15:24 ` Olaf Hering
2011-06-27 13:50 ` Ian Jackson
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