From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
To: Fantu <fantonifabio@tiscali.it>
Cc: xen-devel@lists.xensource.com
Subject: Re: Re: Out sw-iommu space problem
Date: Mon, 24 Oct 2011 17:14:51 -0400 [thread overview]
Message-ID: <20111024211451.GG2441@phenom.dumpdata.com> (raw)
In-Reply-To: <1319110129307-4921154.post@n5.nabble.com>
On Thu, Oct 20, 2011 at 04:28:49AM -0700, Fantu wrote:
> After setting swiotlb=65762 on vmlinuz (from 64 mb to 128 mb) problem solved.
OK. I am not sure why your driver is using that much space, but that is
the purpose of the argument.
> Is swiotlb set on vmlinux bugged? At this time on 2.6.32 pv_ops, in order to
> set size in MB requires this calculation: swiotlb=N where N/1024*2=MB
That is correct. It is correct for any kernel since 2.6.18 I believe. Unless
the swiotlb in the Xen old-style was doing something different.
>
> --
> View this message in context: http://xen.1045712.n5.nabble.com/Out-sw-iommu-space-problem-tp4803078p4921154.html
> Sent from the Xen - Dev mailing list archive at Nabble.com.
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xensource.com
> http://lists.xensource.com/xen-devel
prev parent reply other threads:[~2011-10-24 21:14 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-14 14:44 Out sw-iommu space problem Fantu
2011-09-14 14:54 ` Konrad Rzeszutek Wilk
2011-09-15 14:36 ` Fantu
2011-09-15 14:58 ` Konrad Rzeszutek Wilk
2011-09-15 16:56 ` Fantu
2011-09-16 14:14 ` Fantu
2011-09-16 22:02 ` Ian Campbell
2011-10-20 11:28 ` Fantu
2011-10-24 21:14 ` Konrad Rzeszutek Wilk [this message]
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