Re: Use PCI ROMs from EFI boot services

From: Eric W. Biederman
Date: Wed Dec 05 2012 - 19:23:14 EST

Matthew Garrett <mjg59@xxxxxxxxxxxxx> writes:

> On Wed, Dec 05, 2012 at 04:15:56PM -0800, Yinghai Lu wrote:
>> at the same time we should export setup_data into /sys, so kexec could
>> append this pointer to command of
>> second kernel, just like kexec append acpi_rsdp.
>> That should address DavidW's concern.
> Why should the kernel export data to userspace just so that that data
> can be passed back into the kernel?

Because it is useful for more than just kexec and because that is the
current architecture.


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