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authorCatalin Marinas <catalin.marinas@arm.com>2007-07-20 06:42:24 -0400
committerRussell King <rmk+kernel@arm.linux.org.uk>2007-07-20 16:42:35 -0400
commit11179d8ca28d669e3d4cc7573a5f5fdda3e6f02d (patch)
tree48ebac19f2ca133a5108d4fc779332b9e696d59a /arch/arm/configs
parent2eb8c82bc492d5f185150e63eba5eac4dff24178 (diff)
[ARM] 4497/1: Only allow safe cache configurations on ARMv6 and later
Currently, Linux doesn't generate correct page tables for ARMv6 and later cores if the cache policy is different from the default one (it may lead to strongly ordered or shared device mappings). This patch disallows cache policies other than writeback and the CPU_[ID]CACHE_DISABLE options only affect the CP15 system control register rather than the page tables. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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