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authorWill Deacon <will.deacon@arm.com>2011-11-22 21:30:28 +0400
committerCatalin Marinas <catalin.marinas@arm.com>2011-12-08 14:30:38 +0400
commitd675d0bc47f28c5414fbbe17fcc801f69c45b960 (patch)
tree78d7b2c43650d6af96caac9e631409cf15c8f25a /arch/arm/include/asm/page.h
parent8d2cd3a38fd663bd341507f5ac29002ffd81d986 (diff)
downloadlinux-d675d0bc47f28c5414fbbe17fcc801f69c45b960.tar.xz
ARM: LPAE: add ISBs around MMU enabling code
Before we enable the MMU, we must ensure that the TTBR registers contain sane values. After the MMU has been enabled, we jump to the *virtual* address of the following function, so we also need to ensure that the SCTLR write has taken effect. This patch adds ISB instructions around the SCTLR write to ensure the visibility of the above. Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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