Re: [PATCH] efi/arm: fix allocation failure when reserving the kernel base

Russell King - ARM Linux admin
2019-08-20T11:54:38Z

On Sun, Aug 04, 2019 at 10:57:00AM +0300, Ard Biesheuvel wrote:
> (The first TEXT_OFFSET bytes are no longer used in practice, which is
> why putting a reserved region of 4 KB bytes works at the moment, but
> this is fragile).

That is not correct for 32-bit ARM. The swapper page table is still
located 16kiB below the kernel.

--
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
FTTC broadband for 0.8mile line in suburbia: sync at 12.1Mbps down 622kbps up
According to speedtest.net: 11.9Mbps down 500kbps up