Re: [PATCH 00/14] arm64: 16K translation granule support
From: Ard Biesheuvel
Date: Wed Sep 02 2015 - 05:55:19 EST
On 13 August 2015 at 13:33, Suzuki K. Poulose <suzuki.poulose@xxxxxxx> wrote:
> From: "Suzuki K. Poulose" <suzuki.poulose@xxxxxxx>
> This series enables the 16K page size support on Linux for arm64.
> This series adds support for 48bit VA(4 level), 47bit VA(3 level) and
> 36bit VA(2 level) with 16K. 16K was a late addition to the architecture
> and is not implemented by all CPUs. Added a check to ensure the
> selected granule size is supported by the CPU, failing which the CPU
> won't proceed with booting.
> KVM bits have been tested on a fast model with GICv3 using Andre's kvmtool
> with gicv3 support.
> Patches 1-7 cleans up the kernel page size handling code.
> Patches 8-11 Fixes some issues with the KVM bits, mainly the fake PGD
> handling code.
> Patch 12 Adds a check to ensure the CPU supports the selected granule size.
> Patch 13-14 Adds the 16k page size support bits.
> This series applies on top of for-next/core branch of the aarch64 tree and is
> also available here:
> git://linux-arm.org/linux-skp.git 16k/v1
I have given this a spin on the FVP Base model to check UEFI booting,
and everything seems to work fine. (I tested 2-level and 3-level)
I didn't test the KVM changes, so for all patches except those:
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx>
Tested-by: Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx>
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