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cbe6601617
While prepare_elf64_headers() in x86 looks pretty generic for other architectures' use, it contains some code which tries to list crash memory regions by walking through system resources, which is not always architecture agnostic. To make this function more generic, the related code should be purged. In this patch, prepare_elf64_headers() simply scans crash_mem buffer passed and add all the listed regions to elf header as a PT_LOAD segment. So walk_system_ram_res(prepare_elf64_headers_callback) have been moved forward before prepare_elf64_headers() where the callback, prepare_elf64_headers_callback(), is now responsible for filling up crash_mem buffer. Meanwhile exclude_elf_header_ranges() used to be called every time in this callback it is rather redundant and now called only once in prepare_elf_headers() as well. Link: http://lkml.kernel.org/r/20180306102303.9063-4-takahiro.akashi@linaro.org Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org> Acked-by: Dave Young <dyoung@redhat.com> Tested-by: Dave Young <dyoung@redhat.com> Cc: Vivek Goyal <vgoyal@redhat.com> Cc: Baoquan He <bhe@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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