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由 James Morse 提交于
Since commit 23c85094 ("proc/kcore: add vmcoreinfo note to /proc/kcore") the kernel has exported the vmcoreinfo PT_NOTE on /proc/kcore as well as /proc/vmcore. arm64 only exposes it's additional arch information via arch_crash_save_vmcoreinfo() if built with CONFIG_KEXEC, as kdump was previously the only user of vmcoreinfo. Move this weak function to a separate file that is built at the same time as its caller in kernel/crash_core.c. This ensures values like 'kimage_voffset' are always present in the vmcoreinfo PT_NOTE. CC: AKASHI Takahiro <takahiro.akashi@linaro.org> Reviewed-by: NBhupesh Sharma <bhsharma@redhat.com> Signed-off-by: NJames Morse <james.morse@arm.com> Signed-off-by: NWill Deacon <will.deacon@arm.com>
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