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6a2c20e7d8
This patch does two things. It passes EFI run time mappings to second kernel in bootparams efi_info. Second kernel parse this info and create new mappings in second kernel. That means mappings in first and second kernel will be same. This paves the way to enable EFI in kexec kernel. This patch also prepares and passes EFI setup data through bootparams. This contains bunch of information about various tables and their addresses. These information gathering and passing has been written along the lines of what current kexec-tools is doing to make kexec work with UEFI. [akpm@linux-foundation.org: s/get_efi/efi_get/g, per Matt] Signed-off-by: Vivek Goyal <vgoyal@redhat.com> Cc: Borislav Petkov <bp@suse.de> Cc: Michael Kerrisk <mtk.manpages@gmail.com> Cc: Yinghai Lu <yinghai@kernel.org> Cc: Eric Biederman <ebiederm@xmission.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Matthew Garrett <mjg59@srcf.ucam.org> Cc: Greg Kroah-Hartman <greg@kroah.com> Cc: Dave Young <dyoung@redhat.com> Cc: WANG Chao <chaowang@redhat.com> Cc: Baoquan He <bhe@redhat.com> Cc: Andy Lutomirski <luto@amacapital.net> Cc: Matt Fleming <matt@console-pimps.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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