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powerpc/fadump: update documentation about bootargs_append

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Update ABI documentation about the introduction of the new sysfs
entry bootargs_append. This sysfs entry will be used to setup the
additional parameters to be passed to dump capture kernel.

Signed-off-by: Hari Bathini <hbathini@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20240510082114.561163-1-hbathini@linux.ibm.com
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Hari Bathini 2024-05-10 13:51:14 +05:30 committed by Michael Ellerman
parent 3416c9daa6
commit 9dc1407859
1 changed files with 7 additions and 0 deletions
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Documentation/ABI/testing/sysfs-kernel-fadump
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@ -49,3 +49,10 @@ Description: read only
memory add/remove events because elfcorehdr is now prepared in
the second/fadump kernel.
User: kexec-tools
What: /sys/kernel/fadump/bootargs_append
Date: May 2024
Contact: linuxppc-dev@lists.ozlabs.org
Description: read/write
This is a special sysfs file available to setup additional
parameters to be passed to capture kernel.