[PATCH v4] x86/boot: Use efi_setup_data for searching RSDP on kexec-ed kernel

Chao Fan fanc.fnst at cn.fujitsu.com
Wed Apr 17 03:31:40 PDT 2019


On Wed, Apr 17, 2019 at 10:54:34AM +0200, Borislav Petkov wrote:
>On Wed, Apr 17, 2019 at 03:02:50PM +0800, Dave Young wrote:
>> How about move it after console_init,
>
>Sounds ok to me. That's still before KASLR gets setup and should work
>for Chao's movable regions too.

Yes, when debugging, I also put it after console_init().

Thanks,
Chao Fan

>
>> and at the same time skip efi_get_rsdp_addr in case kexec?
>
>If kexec_get_rsdp_addr() gets a correct address, efi_get_rsdp_addr()
>will be skipped.
>
>-- 
>Regards/Gruss,
>    Boris.
>
>Good mailing practices for 400: avoid top-posting and trim the reply.
>
>





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