From: "Jan Beulich" <jbeulich@suse.com>
To: <konrad@kernel.org>
Cc: <stefano.stabellini@eu.citrix.com>,
<xen-devel@lists.xensource.com>, <konrad.wilk@oracle.com>,
<linux-kernel@vger.kernel.org>
Subject: Re: [Xen-devel] Q:pt_base in COMPAT mode offset by two pages. Was:Re: [PATCH 02/11] xen/x86: Use memblock_reserve for sensitive areas.
Date: Thu, 23 Aug 2012 07:23:42 +0100 [thread overview]
Message-ID: <5035DA7E020000780008A5E6@nat28.tlf.novell.com> (raw)
In-Reply-To: <20120822185519.GA29609@phenom.dumpdata.com>
>>> Konrad Rzeszutek Wilk <konrad@kernel.org> 08/22/12 9:05 PM >>>
>Thinking of just sticking this patch then:
Yeah, that may be best for the moment. Albeit I see no reason why you
shouldn't be able to use your more selective logic, just making it either
deal with only the pt_base == start-of-page-tables case (and fall back to
the current logic alternatively), or figure out the true range.
I'm nevertheless considering to re-arrange the allocation order in the
hypervisor (and to remove the superfluously reserved page covering
what would be the L4), so going with the former, simpler case for the
kernel would be a reasonable option.
Jan
next prev parent reply other threads:[~2012-08-23 6:23 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-16 16:03 [PATCH] Boot PV guests with more than 128GB (v3) for v3.7 Konrad Rzeszutek Wilk
2012-08-16 16:03 ` [PATCH 01/11] xen/p2m: Fix the comment describing the P2M tree Konrad Rzeszutek Wilk
2012-08-17 17:29 ` [Xen-devel] " Stefano Stabellini
2012-08-16 16:03 ` [PATCH 02/11] xen/x86: Use memblock_reserve for sensitive areas Konrad Rzeszutek Wilk
2012-08-17 17:35 ` [Xen-devel] " Stefano Stabellini
2012-08-20 14:13 ` Konrad Rzeszutek Wilk
2012-08-21 17:27 ` Q:pt_base in COMPAT mode offset by two pages. Was:Re: " Konrad Rzeszutek Wilk
2012-08-21 19:03 ` Konrad Rzeszutek Wilk
2012-08-22 10:48 ` Stefano Stabellini
2012-08-22 14:00 ` Konrad Rzeszutek Wilk
2012-08-22 14:12 ` Jan Beulich
2012-08-22 14:41 ` Stefano Stabellini
2012-08-22 14:57 ` Konrad Rzeszutek Wilk
2012-08-22 15:59 ` Jan Beulich
2012-08-22 16:21 ` Konrad Rzeszutek Wilk
2012-08-22 18:55 ` [Xen-devel] Q:pt_base in COMPAT mode offset by two pages. Was:Re: " Konrad Rzeszutek Wilk
2012-08-23 6:23 ` Jan Beulich [this message]
2012-08-16 16:03 ` [PATCH 03/11] xen/mmu: The xen_setup_kernel_pagetable doesn't need to return anything Konrad Rzeszutek Wilk
2012-08-16 16:03 ` [PATCH 04/11] xen/mmu: Provide comments describing the _ka and _va aliasing issue Konrad Rzeszutek Wilk
2012-08-16 16:03 ` [PATCH 05/11] xen/mmu: use copy_page instead of memcpy Konrad Rzeszutek Wilk
2012-08-16 16:03 ` [PATCH 06/11] xen/mmu: For 64-bit do not call xen_map_identity_early Konrad Rzeszutek Wilk
2012-08-17 17:41 ` [Xen-devel] " Stefano Stabellini
2012-08-17 17:45 ` Konrad Rzeszutek Wilk
2012-08-20 11:45 ` Stefano Stabellini
2012-08-20 11:53 ` Ian Campbell
2012-08-20 11:58 ` Stefano Stabellini
2012-08-20 12:06 ` Konrad Rzeszutek Wilk
2012-08-20 12:19 ` Stefano Stabellini
2012-08-23 15:40 ` Konrad Rzeszutek Wilk
2012-08-23 15:57 ` Stefano Stabellini
2012-08-16 16:03 ` [PATCH 07/11] xen/mmu: Recycle the Xen provided L4, L3, and L2 pages Konrad Rzeszutek Wilk
2012-08-17 18:07 ` [Xen-devel] " Stefano Stabellini
2012-08-17 18:05 ` Konrad Rzeszutek Wilk
2012-08-16 16:03 ` [PATCH 08/11] xen/p2m: Add logic to revector a P2M tree to use __va leafs Konrad Rzeszutek Wilk
2012-08-16 16:03 ` [PATCH 09/11] xen/mmu: Copy and revector the P2M tree Konrad Rzeszutek Wilk
2012-08-16 16:03 ` [PATCH 10/11] xen/mmu: Remove from __ka space PMD entries for pagetables Konrad Rzeszutek Wilk
2012-08-16 16:03 ` [PATCH 11/11] xen/mmu: Release just the MFN list, not MFN list and part of pagetables Konrad Rzeszutek Wilk
2012-08-21 14:18 ` [Xen-devel] " Stefano Stabellini
2012-08-21 14:57 ` Konrad Rzeszutek Wilk
2012-08-21 15:27 ` Stefano Stabellini
2012-09-17 18:06 ` William Dauchy
2012-09-17 18:18 ` Konrad Rzeszutek Wilk
2012-08-17 17:39 ` [PATCH] Boot PV guests with more than 128GB (v3) for v3.7 Konrad Rzeszutek Wilk
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