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| Filename | Latest commit message | Latest commit date |
|---|---|---|
baedd1ef92
[ Upstream commit 2356f15caefc0cc63d9cc5122641754f76ef9b25 ]
On XenServer on Windows machine a platform device with ID 2 instead of
1 is used.
This device is mainly identical to device 1 but due to some Windows
update behaviour it was decided to use a device with a different ID.
This causes compatibility issues with Linux which expects, if Xen
is detected, to find a Xen platform device (5853:0001) otherwise code
will crash due to some missing initialization (specifically grant
tables). Specifically from dmesg
RIP: 0010:gnttab_expand+0x29/0x210
Code: 90 0f 1f 44 00 00 55 31 d2 48 89 e5 41 57 41 56 41 55 41 89 fd
41 54 53 48 83 ec 10 48 8b 05 7e 9a 49 02 44 8b 35 a7 9a 49 02
<8b> 48 04 8d 44 39 ff f7 f1 45 8d 24 06 89 c3 e8 43 fe ff ff
44 39
RSP: 0000:ffffba34c01fbc88 EFLAGS: 00010086
...
The device 2 is presented by Xapi adding device specification to
Qemu command line.
Signed-off-by: Frediano Ziglio <frediano.ziglio@cloud.com>
Acked-by: Juergen Gross <jgross@suse.com>
Message-ID: <20250227145016.25350-1-frediano.ziglio@cloud.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.