From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
To: Ian Campbell <Ian.Campbell@citrix.com>
Cc: "xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>,
"keir.fraser@eu.citrix.com" <keir.fraser@eu.citrix.com>
Subject: Re: [PATCH 2 of 5] x86: make the pv-only e820 array be dynamic
Date: Fri, 8 Apr 2011 09:21:13 -0400 [thread overview]
Message-ID: <20110408132113.GC6189@dumpdata.com> (raw)
In-Reply-To: <1302250925.27835.50.camel@zakaz.uk.xensource.com>
On Fri, Apr 08, 2011 at 09:22:05AM +0100, Ian Campbell wrote:
> On Thu, 2011-04-07 at 21:25 +0100, Konrad Rzeszutek Wilk wrote:
> > # HG changeset patch
> > # User Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
> > # Date 1302202697 14400
> > # Node ID 01d0d338b97491a3aa816dab43cc709a234214f7
> > # Parent decab6c21cc3d7ce4d4dad949d34ba35d4600490
> > x86: make the pv-only e820 array be dynamic.
> >
> > During creation of the PV domain we allocate the E820 structure to be
> > the E820MAX. This will allow the tool stack to fill the E820 with more
> > than three entries.
>
> Is it possible to defer this allocation to set_memory_map time so we can
> allocate only the required size? I guess E820MAX (128) entries is only
> 2.5k but a typical e820 is capped at more like 20 entries in practice
> (<0.5k).
The later patch does that. If I figure out how to "squash" the hg commits
together I can post it as one patch..
next prev parent reply other threads:[~2011-04-08 13:21 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-07 20:25 [PATCH 0 of 5] Patches for PCI passthrough with modified E820 Konrad Rzeszutek Wilk
2011-04-07 20:25 ` [PATCH 1 of 5] tools: Add xc_domain_set_memory_map and xc_get_machine_memory_map calls Konrad Rzeszutek Wilk
2011-04-08 8:18 ` Ian Campbell
2011-04-08 13:19 ` Konrad Rzeszutek Wilk
2011-04-07 20:25 ` [PATCH 2 of 5] x86: make the pv-only e820 array be dynamic Konrad Rzeszutek Wilk
2011-04-08 8:22 ` Ian Campbell
2011-04-08 13:21 ` Konrad Rzeszutek Wilk [this message]
2011-04-07 20:25 ` [PATCH 3 of 5] x86: adjust the size of the e820 for pv guest to " Konrad Rzeszutek Wilk
2011-04-07 20:25 ` [PATCH 4 of 5] libxl: Add support for passing in the machine's E820 for PCI passthrough Konrad Rzeszutek Wilk
2011-04-08 8:36 ` Ian Campbell
2011-04-08 10:56 ` Ian Jackson
2011-04-08 13:35 ` Konrad Rzeszutek Wilk
2011-04-08 13:55 ` Ian Campbell
2011-04-08 14:09 ` Tim Deegan
2011-04-08 14:17 ` Ian Campbell
2011-04-08 14:25 ` Tim Deegan
2011-04-08 14:33 ` Ian Campbell
2011-04-08 15:00 ` Konrad Rzeszutek Wilk
2011-04-08 14:34 ` Konrad Rzeszutek Wilk
2011-04-08 14:42 ` Ian Campbell
2011-04-08 14:54 ` Konrad Rzeszutek Wilk
2011-04-08 16:01 ` Ian Jackson
2011-04-08 13:33 ` Konrad Rzeszutek Wilk
2011-04-08 14:00 ` Ian Campbell
2011-04-07 20:25 ` [PATCH 5 of 5] libxl: Convert E820_UNUSABLE and E820_RAM to E820_UNUSABLE as appropriate Konrad Rzeszutek Wilk
2011-04-08 8:42 ` [PATCH 0 of 5] Patches for PCI passthrough with modified E820 Ian Campbell
2011-04-08 13:24 ` Konrad Rzeszutek Wilk
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