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(parent: 8f3bfa5) | patch
arm64: Make !dirty ptes read-only
authorCatalin Marinas <catalin.marinas@arm.com>
Wed, 28 Nov 2012 17:06:05 +0000 (17:06 +0000)
committerCatalin Marinas <catalin.marinas@arm.com>
Thu, 29 Nov 2012 15:32:13 +0000 (15:32 +0000)
commit33eaa58f854770dc9c98411a356c98e3a53edfda
tree60f5074db489db6a30e6c32b5c7247e764b81562tree | snapshot
parent8f3bfa584ed05e9e7d290707c48eee026fb94ececommit | diff
arm64: Make !dirty ptes read-only

The AArch64 Linux port relies on the mm code to wrprotect clean ptes.
This however is not the case with newly created ptes and
PAGE_SHARED(_EXEC) is writable but !dirty.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: <stable@vger.kernel.org>
arch/arm64/include/asm/pgtable.h diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git