Re: [PATCH 0/3] Early use of boot service memory

[Pekka Enberg]

On Tue, Nov 12, 2013 at 4:15 AM, Jerry Hoemann <jerry.hoemann@xxxxxx> wrote:
> Some platform have firmware that violates UEFI spec and access boot service
> code or data segments after the system has called Exit Boot Services.
> The call to efi_reserve_boot_services in setup_arch is a work around to
> avoid using boot service memory until after the kernel has done
> Set Virtual Map.
>
> However, this reservation fragments memory which can cause
> large allocations early in boot (e.g. crash kernel) to fail.

What is the exact problem you're trying to solve here? How will the
problem be fixed for platforms that break the UEFI specification?

                        Pekka
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/