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(parent: 1b6ba46) | patch
ARM: LPAE: Invalidate the TLB before freeing the PMD
authorCatalin Marinas <catalin.marinas@arm.com>
Tue, 22 Nov 2011 17:30:29 +0000 (17:30 +0000)
committerCatalin Marinas <catalin.marinas@arm.com>
Thu, 8 Dec 2011 10:30:40 +0000 (10:30 +0000)
commitc9f27f1026f55b543df260ad8ab84a7bdab7792f
treedc43f5eff07e385f3943a9e99766a68e8ebb33b9tree | snapshot
parent1b6ba46b7efa31055eb993a6f2c6bbcb8b35b001commit | diff
ARM: LPAE: Invalidate the TLB before freeing the PMD

Similar to the PTE freeing, this patch introduced __pmd_free_tlb() which
invalidates the TLB before freeing a PMD page. This is needed because on
newer processors the entry in the upper page table may be cached by the
TLB and point to random data after the PMD has been freed.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
arch/arm/include/asm/tlb.h diff | blob | history
Domain: System / Uncategorized;