[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [PATCH] new interface: memory_object_get_proxy
From: |
Sergey Bugaev |
Subject: |
Re: [PATCH] new interface: memory_object_get_proxy |
Date: |
Mon, 1 Nov 2021 22:59:59 +0300 |
On Mon, Nov 1, 2021 at 10:36 PM Samuel Thibault <samuel.thibault@gnu.org> wrote:
> offset is inside the original object, and start is in the proxy object.
> Think for instance of /dev/mem, within which you could want to map some
> VGA-compatible range at 0xA0000 (that's the start), but the mapping
> range is a subpart of the memory of some device (that's the offset).
Makes sense, thank you. But that means the code in vm_map () is wrong:
it'd need to subtract 'start' and add 'offset' of the proxy to the
user-specified 'offset'. Currently it adds 'start' and ignores
'offset'.
Sergey
- Re: [PATCH] new interface: memory_object_get_proxy, Joan Lledó, 2021/11/01
- [PATCH] new interface: memory_object_get_proxy, Joan Lledó, 2021/11/01
- Re: [PATCH] new interface: memory_object_get_proxy, Sergey Bugaev, 2021/11/01
- Re: [PATCH] new interface: memory_object_get_proxy, Joan Lledó, 2021/11/01
- [PATCH] new interface: memory_object_get_proxy, Joan Lledó, 2021/11/01
- Re: [PATCH] new interface: memory_object_get_proxy, Sergey Bugaev, 2021/11/01
- Re: [PATCH] new interface: memory_object_get_proxy, Joan Lledó, 2021/11/01
- Re: [PATCH] new interface: memory_object_get_proxy, Sergey Bugaev, 2021/11/01
- Re: [PATCH] new interface: memory_object_get_proxy, Sergey Bugaev, 2021/11/01
- Re: [PATCH] new interface: memory_object_get_proxy, Samuel Thibault, 2021/11/01
- Re: [PATCH] new interface: memory_object_get_proxy,
Sergey Bugaev <=
- Re: [PATCH] new interface: memory_object_get_proxy, Samuel Thibault, 2021/11/01
- Re: [PATCH] new interface: memory_object_get_proxy, Joan Lledó, 2021/11/01
- Re: [PATCH] new interface: memory_object_get_proxy, Joan Lledó, 2021/11/06
- [PATCH 1/2] new interface: memory_object_get_proxy, Joan Lledó, 2021/11/06
- [PATCH 2/2] Memory proxies: Add support for anonymous mappings, Joan Lledó, 2021/11/06
- Re: [PATCH] new interface: memory_object_get_proxy, Samuel Thibault, 2021/11/07
Re: [PATCH] new interface: memory_object_get_proxy, Sergey Bugaev, 2021/11/01