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(parent: a4e92ce) | patch
powerpc/fadump: Throw proper error message on fadump registration failure
authorMahesh Salgaonkar <mahesh@linux.vnet.ibm.com>
Mon, 20 Aug 2018 08:17:24 +0000 (13:47 +0530)
committerMichael Ellerman <mpe@ellerman.id.au>
Fri, 21 Dec 2018 00:32:49 +0000 (11:32 +1100)
commitf86593be1e7f5405b980bb4b11640250ac81d7cb
tree66d06de849ab85ae51a9635426f65ce0836d9a18tree | snapshot
parenta4e92ce8e4c8275bacfe3529d6ac85d54a233d87commit | diff
powerpc/fadump: Throw proper error message on fadump registration failure

fadump fails to register when there are holes in reserved memory area.
This can happen if user has hot-removed a memory that falls in the
fadump reserved memory area. Throw a meaningful error message to the
user in such case.

Signed-off-by: Mahesh Salgaonkar <mahesh@linux.vnet.ibm.com>
[mpe: is_reserved_memory_area_contiguous() returns bool, unsplit string]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
arch/powerpc/kernel/fadump.c diff | blob | history
Domain: System / Kernel;