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SubjectRe: [PATCH] x86, eboot: Support initrd loaded above 4G
On Wed, Jul 9, 2014 at 11:26 AM, Matt Fleming <> wrote:
> On Wed, 18 Jun, at 03:28:19PM, Matt Fleming wrote:
>> On Sat, 14 Jun, at 12:23:41PM, Yinghai Lu wrote:
>> > For boot efi kernel directly without bootloader.
>> > If the kernel support XLF_CAN_BE_LOADED_ABOVE_4G, we should
>> > not limit initrd under hdr->initrd_add_max.
> Well, fooey. This patch breaks one of my ASUS machines. It appears some
> firmware implementations exhibit issues reading directly into a buffer
> above the 4GB mark.
> I haven't diagnosed exactly what goes wrong with the buffer (i.e. in
> what way it becomes corrupt), but I should really do that before
> thinking of how to fix this.
> I'll keep you posted, I just wanted to give you a heads up that things
> are screwy in this area.

Oh, no.

so efi could allocate buffer above 4g but can not access it?


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