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| author |   Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2013-02-25 15:54:08 -0500 |
|---|---|---|
| committer |   H. Peter Anvin <hpa@linux.intel.com> | 2013-02-25 13:41:18 -0800 |
| commit | 2482a92e7d17187301d7313cfe5021b13393a0b4 (patch) | |
| tree | ff6af9e9cb48da1e898e0916c9ebf5f74b57bdcb /Documentation/atomic_ops.txt | |
| parent | ACPI: Overriding ACPI tables via initrd only works with an initrd and on X86 (diff) | |
| download | linux-dev-2482a92e7d17187301d7313cfe5021b13393a0b4.tar.xz linux-dev-2482a92e7d17187301d7313cfe5021b13393a0b4.zip | |
doc, xen: Mention 'earlyprintk=xen' in the documentation.
The earlyprintk for Xen PV guests utilizes a simple hypercall
(console_io) to provide output to Xen emergency console.
Note that the Xen hypervisor should be booted with 'loglevel=all'
to output said information.
Reported-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Link: http://lkml.kernel.org/r/1361825650-14031-2-git-send-email-konrad.wilk@oracle.com
Cc: <stable@vger.kernel.org>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'Documentation/atomic_ops.txt')
0 files changed, 0 insertions, 0 deletions