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Some LPAE systems may have phys_offset above the 4GB mark. Hence, we
need phys_offset to be a 64-bit integer.
Reviewed-by: Pratyush Anand <panand@redhat.com>
Signed-off-by: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Simon Horman <horms@verge.net.au>
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crashdump-elf.c passes unsigned long long addresses into phys_to_virt()
so make phys_to_virt() accept such addresses without truncating them.
This is important for ARM LPAE systems.
Reviewed-by: Pratyush Anand <panand@redhat.com>
Signed-off-by: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Simon Horman <horms@verge.net.au>
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Implement support for loading dump capture kernels for ARM architecture. ARM
doesn't need any backup memory regions so only elfcore header is allocated from
the top of the reserved memory region. Only zImages are supported.
The dump capture kernel needs to be loaded to physical address corresponding to
the memory region reserved with 'crashkernel=size@start' kernel command line
parameter.
Signed-off-by: Mika Westerberg <ext-mika.1.westerberg@nokia.com>
Signed-off-by: Simon Horman <horms@verge.net.au>
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