From: "Roger Pau Monné" <roger.pau@citrix.com>
To: Andrew Cooper <andrew.cooper3@citrix.com>
Cc: Xen-devel <xen-devel@lists.xenproject.org>,
"Andrew Cooper" <amc96@cam.ac.uk>, "Wei Liu" <wl@xen.org>,
"Paul Durrant" <paul@xen.org>, "Ian Jackson" <iwj@xenproject.org>,
"Michał Leszczyński" <michal.leszczynski@cert.pl>,
"Hubert Jasudowicz" <hubert.jasudowicz@cert.pl>,
"Tamas K Lengyel" <tamas@tklengyel.com>
Subject: Re: [PATCH v3 05/11] tools/foreignmem: Support querying the size of a resource
Date: Mon, 11 Jan 2021 16:54:00 +0100 [thread overview]
Message-ID: <20210111155400.vnwrktf5hzat72rt@Air-de-Roger> (raw)
In-Reply-To: <20210111152657.30868-1-andrew.cooper3@citrix.com>
On Mon, Jan 11, 2021 at 03:26:57PM +0000, Andrew Cooper wrote:
> With the Xen side of this interface fixed to return real sizes, userspace
> needs to be able to make the query.
>
> Introduce xenforeignmemory_resource_size() for the purpose, bumping the
> library minor version.
>
> Update both Linux and FreeBSD's osdep_xenforeignmemory_map_resource() to
> understand size requests, skip the mmap() operation, and copy back the
> nr_frames field.
>
> Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
Reviewed-by: Roger Pau Monné <roger.pau@citrix.com>
Thanks, Roger.
next prev parent reply other threads:[~2021-01-11 15:54 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-22 18:24 [PATCH v2 00/11] Multiple fixes to XENMEM_acquire_resource Andrew Cooper
2020-09-22 18:24 ` [PATCH v2 01/11] xen/memory: Introduce CONFIG_ARCH_ACQUIRE_RESOURCE Andrew Cooper
2020-09-22 18:24 ` [PATCH v2 02/11] xen/gnttab: Rework resource acquisition Andrew Cooper
2020-09-24 9:51 ` Paul Durrant
2021-01-11 21:22 ` Andrew Cooper
2021-01-12 8:23 ` Jan Beulich
2021-01-12 20:06 ` Andrew Cooper
2021-01-12 8:29 ` Paul Durrant
2020-09-25 13:17 ` Jan Beulich
2021-01-11 21:22 ` Andrew Cooper
2021-01-12 8:15 ` Jan Beulich
2021-01-12 18:11 ` Andrew Cooper
2020-09-22 18:24 ` [PATCH v2 03/11] xen/memory: Fix compat XENMEM_acquire_resource for size requests Andrew Cooper
2020-09-22 18:24 ` [PATCH v2 04/11] xen/memory: Fix acquire_resource size semantics Andrew Cooper
2020-09-24 10:06 ` Paul Durrant
2020-09-24 10:57 ` Andrew Cooper
2020-09-24 11:04 ` Paul Durrant
2020-09-25 15:56 ` Jan Beulich
2020-09-22 18:24 ` [PATCH v2 05/11] tools/foreignmem: Support querying the size of a resource Andrew Cooper
2021-01-08 17:52 ` Andrew Cooper
2021-01-11 10:50 ` Roger Pau Monné
2021-01-11 15:00 ` Andrew Cooper
2021-01-11 15:26 ` [PATCH v3 " Andrew Cooper
2021-01-11 15:54 ` Roger Pau Monné [this message]
2020-09-22 18:24 ` [PATCH v2 06/11] xen/memory: Clarify the XENMEM_acquire_resource ABI description Andrew Cooper
2020-09-24 10:08 ` Paul Durrant
2020-09-22 18:24 ` [PATCH v2 07/11] xen/memory: Improve compat XENMEM_acquire_resource handling Andrew Cooper
2020-09-24 10:16 ` Paul Durrant
2020-09-28 9:09 ` Jan Beulich
2021-01-08 18:57 ` Andrew Cooper
2021-01-11 14:25 ` Jan Beulich
2020-09-22 18:24 ` [PATCH v2 08/11] xen/memory: Indent part of acquire_resource() Andrew Cooper
2020-09-24 10:36 ` Paul Durrant
2020-09-22 18:24 ` [PATCH v2 09/11] xen/memory: Fix mapping grant tables with XENMEM_acquire_resource Andrew Cooper
2020-09-24 10:47 ` Paul Durrant
2021-01-08 19:36 ` Andrew Cooper
2020-09-28 9:37 ` Jan Beulich
2021-01-11 20:05 ` Andrew Cooper
2021-01-11 22:36 ` Andrew Cooper
2021-01-12 8:39 ` Jan Beulich
2020-09-22 18:24 ` [PATCH v2 10/11] TESTING dom0 Andrew Cooper
2020-09-22 18:24 ` [PATCH v2 11/11] TESTING XTF Andrew Cooper
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