408cddd96e
Firmware-assisted dump (fadump) kernel code is not endian safe. The
below patch fixes this issue. Tested this patch with upstream kernel.
Below output shows crash tool successfully opening LE fadump vmcore.
# crash vmlinux vmcore
GNU gdb (GDB) 7.6
This GDB was configured as "powerpc64le-unknown-linux-gnu"...
KERNEL: vmlinux
DUMPFILE: vmcore
CPUS: 16
DATE: Wed Dec 31 19:00:00 1969
UPTIME: 00:03:28
LOAD AVERAGE: 0.46, 0.86, 0.41
TASKS: 268
NODENAME: linux-dhr2
RELEASE: 3.17.0-rc5-7-default
VERSION: #6 SMP Tue Sep 30 01:06:34 EDT 2014
MACHINE: ppc64le (4116 Mhz)
MEMORY: 40 GB
PANIC: "Oops: Kernel access of bad area, sig: 11 [#1]" (check log for details)
PID: 6223
COMMAND: "bash"
TASK: c0000009661b2500 [THREAD_INFO: c000000967ac0000]
CPU: 2
STATE: TASK_RUNNING (PANIC)
Signed-off-by: Hari Bathini <hbathini@linux.vnet.ibm.com>
[mpe: Make the comment in pSeries_lpar_hptab_clear() clearer]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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