From: Jan Beulich <jbeulich@suse.com>
To: George Dunlap <dunlapg@umich.edu>
Cc: "Andrew Cooper" <andrew.cooper3@citrix.com>,
"Roger Pau Monné" <roger@xenproject.org>,
"Alejandro Vallejo" <agarciav@amd.com>,
"Teddy Astie" <teddy.astie@vates.tech>,
"Anthony PERARD" <anthony.perard@vates.tech>,
"Michal Orzel" <michal.orzel@amd.com>,
"Julien Grall" <julien@xen.org>,
"Stefano Stabellini" <sstabellini@kernel.org>,
xen-devel@lists.xenproject.org
Subject: Re: [PATCH v2 09/14] x86/mm: prepare destroy_perdomain_mapping() for per-vCPU perdomain areas
Date: Thu, 10 Sep 2026 13:54:40 +0200 [thread overview]
Message-ID: <ec14c397-eb41-49a9-8221-4617d4a7785e@suse.com> (raw)
In-Reply-To: <CAFLBxZY0pRUamfukXd5BewKbft_Rc=Z_y5YxyUqVq8wz-SAAOQ@mail.gmail.com>
On 10.09.2026 13:38, George Dunlap wrote:
> I'm inclined to drop the linear map use, and also drop
> pv_destroy_gdt_l1tab(). Any thoughts?
Doing so would follow the "start simple" principle you mentioned earlier.
So: Yes, perhaps best.
Jan
next prev parent reply other threads:[~2026-09-10 11:54 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-02 9:43 [PATCH v2 00/14] x86: Address Space Isolation, part 2: asi= option and per-vCPU page tables George Dunlap
2026-09-02 9:43 ` [PATCH v2 01/14] x86/domain_page: introduce IRQs-off variants of {,un}map_domain_page() George Dunlap
2026-09-03 14:07 ` Jan Beulich
2026-09-03 19:56 ` George Dunlap
2026-09-02 9:43 ` [PATCH v2 02/14] x86/mm: introduce populate_perdomain_mapping() George Dunlap
2026-09-03 15:57 ` Jan Beulich
2026-09-03 21:27 ` George Dunlap
2026-09-04 5:58 ` Jan Beulich
2026-09-04 5:47 ` Jan Beulich
2026-09-02 9:43 ` [PATCH v2 03/14] x86/pv: use populate_perdomain_mapping() to map the Xen GDT George Dunlap
2026-09-03 16:11 ` Jan Beulich
2026-09-03 22:35 ` George Dunlap
2026-09-04 6:00 ` Jan Beulich
2026-09-04 6:54 ` Jürgen Groß
2026-09-04 8:06 ` George Dunlap
2026-09-04 8:29 ` Jan Beulich
2026-09-04 8:50 ` George Dunlap
2026-09-04 10:11 ` Jan Beulich
2026-09-04 10:34 ` Roger Pau Monné
2026-09-07 13:58 ` George Dunlap
2026-09-02 9:43 ` [PATCH v2 04/14] x86/pv: set/clear guest GDT mappings using populate_perdomain_mapping() George Dunlap
2026-09-07 12:50 ` Jan Beulich
2026-09-07 13:51 ` George Dunlap
2026-09-07 14:57 ` Jan Beulich
2026-09-02 9:43 ` [PATCH v2 05/14] x86/pv: update guest LDT mappings using {populate,destroy}_perdomain_mapping() George Dunlap
2026-09-07 16:06 ` Jan Beulich
2026-09-09 19:29 ` George Dunlap
2026-09-02 9:43 ` [PATCH v2 06/14] x86/pv: remove stashing of GDT/LDT L1 page-tables George Dunlap
2026-09-08 14:29 ` Jan Beulich
2026-09-02 9:43 ` [PATCH v2 07/14] x86/mm: simplify create_perdomain_mapping() interface George Dunlap
2026-09-08 14:39 ` Jan Beulich
2026-09-02 9:43 ` [PATCH v2 08/14] x86/mm: purge unneeded destroy_perdomain_mapping() George Dunlap
2026-09-08 15:03 ` Jan Beulich
2026-09-02 9:43 ` [PATCH v2 09/14] x86/mm: prepare destroy_perdomain_mapping() for per-vCPU perdomain areas George Dunlap
2026-09-08 15:36 ` Jan Beulich
2026-09-10 11:38 ` George Dunlap
2026-09-10 11:54 ` Jan Beulich [this message]
2026-09-02 9:43 ` [PATCH v2 10/14] x86/domain_page: drop redundant create_perdomain_mapping() call George Dunlap
2026-09-08 15:55 ` Jan Beulich
2026-09-10 11:52 ` George Dunlap
2026-09-02 9:43 ` [PATCH v2 11/14] x86/mm: prepare create_perdomain_mapping() for per-vCPU perdomain areas George Dunlap
2026-09-02 9:43 ` [PATCH v2 12/14] x86/spec-ctrl: introduce Address Space Isolation command line option George Dunlap
2026-09-02 9:43 ` [PATCH v2 13/14] x86/pv: clear the XPTI root_pgt per-domain slot on context-switch out George Dunlap
2026-09-02 9:43 ` [PATCH v2 14/14] x86/mm: introduce per-vCPU L3 page-table George Dunlap
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