Re: [PATCH 0/2] arm64: support initrd outside of mapped RAM

[Mark Rutland]

On Wed, Jul 29, 2015 at 10:20:38AM +0100, Jon Medhurst (Tixy) wrote:
> On Tue, 2015-07-28 at 10:32 -0400, Mark Salter wrote:
> > When booting an arm64 kernel w/initrd using UEFI/grub, use of mem= will likely
> > cut off part or all of the initrd. This leaves it outside the kernel linear
> > map which leads to failure when unpacking.
> 
> Have we got a similar issue for the device-tree blob?

Commit 61bd93ce801bb6df ("arm64: use fixmap region for permanent FDT
mapping") [1] solved that for the DTB in v4.2-rc1.

Mark.

[1] https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=61bd93ce801bb6df36eda257a9d2d16c02863cdd
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