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X-Original-Sender: stuart.yoder@freescale.com X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of patch+caf_=patchwork-forward=linaro.org@linaro.org designates 209.85.215.52 as permitted sender) smtp.mail=patch+caf_=patchwork-forward=linaro.org@linaro.org Mailing-list: list patchwork-forward@linaro.org; contact patchwork-forward+owners@linaro.org X-Google-Group-Id: 836684582541 Content-Language: en-US Hi Will, Regarding 48-bit support at the SMMU, this patch is currently in the kernel: commit 04f905a9569ca2b6964a35563f135fabbb2470bc Author: Christoffer Dall Date: Fri Oct 10 11:14:30 2014 +0100 arm64: Allow 48-bits VA space without ARM_SMMU Now when KVM has been reworked to support 48-bits host VA space, we can allow systems to be configured with this option. However, the ARM SMMU driver also needs to be tweaked for 48-bit support so only allow the config option to be set when not including support for theSMMU. Signed-off-by: Christoffer Dall Signed-off-by: Catalin Marinas Do you know the status of any work to remove this limitation? Thanks, Stuart diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index ac9afde..b8053be 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -232,7 +232,7 @@ config ARM64_VA_BITS_42 config ARM64_VA_BITS_48 bool "48-bit" - depends on BROKEN + depends on !ARM_SMMU endchoice