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| H A D | kexec.c | 8af6b91f Fri May 06 06:44:01 CDT 2022 Zhen Lei <thunder.leizhen@huawei.com> of: Support more than one crash kernel regions for kexec -s
When "crashkernel=X,high" is used, there may be two crash regions:
high=crashk_res and low=crashk_low_res. But now the syscall
kexec_file_load() only add crashk_res into "linux,usable-memory-range",
this may cause the second kernel to have no available dma memory.
Fix it like kexec-tools does for option -c, add both 'high' and 'low'
regions into the dtb.
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Baoquan He <bhe@redhat.com>
Link: https://lore.kernel.org/r/20220506114402.365-6-thunder.leizhen@huawei.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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