powerpc/fadump: update documentation about CONFIG_PRESERVE_FA_DUMP
authorHari Bathini <hbathini@linux.ibm.com>
Wed, 11 Sep 2019 14:56:16 +0000 (20:26 +0530)
committerMichael Ellerman <mpe@ellerman.id.au>
Fri, 13 Sep 2019 14:04:45 +0000 (00:04 +1000)
commit58cf055df47bb115e7c1533eec2a8f66639b80e3
tree8494849b22e8613fb47a3bbe8ad4c2d7387c3915
parentbec53196adf4791d466adf0e339b61186c7b5283
powerpc/fadump: update documentation about CONFIG_PRESERVE_FA_DUMP

Kernel config option CONFIG_PRESERVE_FA_DUMP is introduced to ensure
crash data, from previously crash'ed kernel, is preserved. Update
documentation with this details.

Signed-off-by: Hari Bathini <hbathini@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/156821377195.5656.15840065629705958324.stgit@hbathini.in.ibm.com
Documentation/powerpc/firmware-assisted-dump.rst