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From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
To: Konrad Rzeszutek Wilk <konrad@darnok.org>
Cc: Stefano Stabellini <stefano.stabellini@eu.citrix.com>,
	"xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [Xen-devel] [PATCH 7/7] xen/mmu: Remove from __ka space PMD entries for pagetables.
Date: Tue, 31 Jul 2012 10:37:33 -0400	[thread overview]
Message-ID: <20120731143732.GI4789@phenom.dumpdata.com> (raw)
In-Reply-To: <20120727174214.GE17427@andromeda.dapyr.net>

> > > +	/* This is superflous and shouldn't be neccessary, but you know what
> > > +	 * lets do it. The MODULES_VADDR -> MODULES_END should be clear of
> > > +	 * anything at this stage. */
> > > +	xen_cleanhighmap(MODULES_VADDR, roundup(MODULES_VADDR, PUD_SIZE) - 1);
> > 
> > I would stick an #ifdef CONFIG_DEBUG of some kind around it
> 
> I am not really sure why, but we seem to have PMDs filed after the Xen
> pagetables. I thought it was the bootstack, but it just looked like we
> were filling up to the next PMD (so the 'roundup' right above this code
> should take care of that). But let me double check that - to reproduce
> this module loading problem I hacked the hypervisor to create a huge P2M

I am not seeing this anymore, so #ifdef DEBUG it is!

  reply	other threads:[~2012-07-31 14:37 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-07-26 20:47 [RFC PATCH] Boot PV guests with more than 128GB (v1) for 3.7 Konrad Rzeszutek Wilk
2012-07-26 20:47 ` [PATCH 1/7] xen/mmu: use copy_page instead of memcpy Konrad Rzeszutek Wilk
2012-07-27  7:35   ` Jan Beulich
2012-07-26 20:47 ` [PATCH 2/7] xen/mmu: For 64-bit do not call xen_map_identity_early Konrad Rzeszutek Wilk
2012-07-26 20:47 ` [PATCH 3/7] xen/mmu: Release the Xen provided L4 (PGD) back Konrad Rzeszutek Wilk
2012-07-27 11:37   ` [Xen-devel] " Stefano Stabellini
2012-07-27 17:35     ` Konrad Rzeszutek Wilk
2012-07-26 20:47 ` [PATCH 4/7] xen/mmu: Recycle the Xen provided L4, L3, and L2 pages Konrad Rzeszutek Wilk
2012-07-27 11:45   ` [Xen-devel] " Stefano Stabellini
2012-07-27 17:38     ` Konrad Rzeszutek Wilk
2012-07-31 14:39       ` [Xen-devel] " Konrad Rzeszutek Wilk
2012-07-26 20:47 ` [PATCH 5/7] xen/p2m: Add logic to revector a P2M tree to use __va leafs Konrad Rzeszutek Wilk
2012-07-27 11:18   ` [Xen-devel] " Stefano Stabellini
2012-07-27 11:47     ` Jan Beulich
     [not found]     ` <50129C030200007800090F9B@nat28.tlf.novell.com>
2012-07-27 17:34       ` Konrad Rzeszutek Wilk
2012-07-30  7:10         ` Jan Beulich
2012-07-26 20:47 ` [PATCH 6/7] xen/mmu: Copy and revector the P2M tree Konrad Rzeszutek Wilk
2012-07-26 20:47 ` [PATCH 7/7] xen/mmu: Remove from __ka space PMD entries for pagetables Konrad Rzeszutek Wilk
2012-07-27 11:31   ` [Xen-devel] " Stefano Stabellini
2012-07-27 17:42     ` Konrad Rzeszutek Wilk
2012-07-31 14:37       ` Konrad Rzeszutek Wilk [this message]
2012-07-27  7:34 ` [RFC PATCH] Boot PV guests with more than 128GB (v1) for 3.7 Jan Beulich
     [not found] ` <501260980200007800090E08@nat28.tlf.novell.com>
2012-07-27 10:00   ` Ian Campbell
     [not found]   ` <1343383205.6812.137.camel@zakaz.uk.xensource.com>
2012-07-27 10:17     ` Jan Beulich
     [not found]     ` <501286E50200007800090ECB@nat28.tlf.novell.com>
2012-07-27 10:21       ` Ian Campbell
     [not found]       ` <1343384489.6812.143.camel@zakaz.uk.xensource.com>
2012-07-27 10:33         ` Jan Beulich

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