From: Jan Beulich <jbeulich@suse.com>
To: Andrew Cooper <andrew.cooper3@citrix.com>
Cc: "Hongyan Xia" <hx242@xen.org>,
xen-devel@lists.xenproject.org, julien@xen.org,
"Wei Liu" <wl@xen.org>, "Roger Pau Monné" <roger.pau@citrix.com>
Subject: Re: [PATCH 0/2] x86: high compat r/o M2P table handling adjustments
Date: Tue, 28 Apr 2020 08:14:46 +0200 [thread overview]
Message-ID: <e8902061-702b-e049-a541-a4422de70a9e@suse.com> (raw)
In-Reply-To: <fc61fd42-0e09-0f13-bccb-ba0202d936ca@suse.com>
On 15.04.2020 10:21, Jan Beulich wrote:
> While looking at "x86_64/mm: map and unmap page tables in
> destroy_compat_m2p_mapping" it occurred to me that the mappings
> changed there can be dropped altogether, as can the linear
> address range used for this. Note that both patches have only
> been lightly tested so far, I guess in particular the 2nd one
> may still have issues.
>
> 1: x86: drop unnecessary page table walking in compat r/o M2P handling
> 2: x86: drop high compat r/o M2P table address range
Just fyi - with the reviews I've got I'm intending to commit
this later this week, unless I hear otherwise soon.
Jan
next prev parent reply other threads:[~2020-04-28 6:15 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-08 13:36 [PATCH v2 0/5] use new API for Xen page tables Hongyan Xia
2020-04-08 13:36 ` [PATCH v2 1/5] x86/shim: map and unmap page tables in replace_va_mapping Hongyan Xia
2020-04-09 9:42 ` Jan Beulich
2020-04-14 16:53 ` Hongyan Xia
2020-04-15 6:13 ` Jan Beulich
2020-04-08 13:36 ` [PATCH v2 2/5] x86_64/mm: map and unmap page tables in m2p_mapped Hongyan Xia
2020-04-15 7:54 ` Jan Beulich
2020-04-08 13:36 ` [PATCH v2 3/5] x86_64/mm: map and unmap page tables in share_hotadd_m2p_table Hongyan Xia
2020-04-15 7:55 ` Jan Beulich
2020-04-08 13:36 ` [PATCH v2 4/5] x86_64/mm: map and unmap page tables in destroy_compat_m2p_mapping Hongyan Xia
2020-04-15 8:21 ` [PATCH 0/2] x86: high compat r/o M2P table handling adjustments Jan Beulich
2020-04-15 8:23 ` [PATCH 1/2] x86: drop unnecessary page table walking in compat r/o M2P handling Jan Beulich
2020-04-15 9:59 ` Hongyan Xia
2020-04-15 10:34 ` Jan Beulich
2020-04-15 10:50 ` Hongyan Xia
2020-04-15 11:16 ` Wei Liu
2020-04-15 8:23 ` [PATCH 2/2] x86: drop high compat r/o M2P table address range Jan Beulich
2020-04-27 19:52 ` Wei Liu
2020-04-28 6:14 ` Jan Beulich [this message]
2020-04-15 8:25 ` [PATCH v2 4/5] x86_64/mm: map and unmap page tables in destroy_compat_m2p_mapping Jan Beulich
2020-04-08 13:36 ` [PATCH v2 5/5] x86_64/mm: map and unmap page tables in destroy_m2p_mapping Hongyan Xia
2020-04-15 8:32 ` Jan Beulich
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