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authorRussell King <rmk+kernel@arm.linux.org.uk>2010-11-21 11:30:36 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2010-12-22 11:05:33 +0000
commit26bbf0b57a0848932f725076bcb1245ca696e8d3 (patch)
treeb55a13203002c0d0295ecacd1fc4883ffcc9240c
parentd30e45eeabefadc6039d7f876a59e5f5f6cb11c6 (diff)
ARM: pgtable: remove L2 cache flushes for SMP page table bring-up
The MMU is always configured to read page tables from the L2 cache so there's little point flushing them out of the L2 cache back to RAM. Remove these flushes. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
-rw-r--r--arch/arm/kernel/smp.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c
index 8c195959025..46313805f43 100644
--- a/arch/arm/kernel/smp.c
+++ b/arch/arm/kernel/smp.c
@@ -85,7 +85,6 @@ static inline void identity_mapping_add(pgd_t *pgd, unsigned long start,
pmd[1] = __pmd(addr | prot);
addr += SECTION_SIZE;
flush_pmd_entry(pmd);
- outer_clean_range(__pa(pmd), __pa(pmd + 1));
}
}
@@ -100,7 +99,6 @@ static inline void identity_mapping_del(pgd_t *pgd, unsigned long start,
pmd[0] = __pmd(0);
pmd[1] = __pmd(0);
clean_pmd_entry(pmd);
- outer_clean_range(__pa(pmd), __pa(pmd + 1));
}
}