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authorCatalin Marinas <catalin.marinas@arm.com>2011-05-26 11:22:44 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2011-05-26 12:14:32 +0100
commitd427958a46af24f75d0017c45eadd172273bbf33 (patch)
treee4279d383e7eaccdfe22420abe0a68a35bcc4c85 /arch/arm/kernel/smp.c
parenta248b13b21ae00b97638b4f435c8df3075808b5d (diff)
ARM: 6942/1: mm: make TTBR1 always point to swapper_pg_dir on ARMv6/7
This patch makes TTBR1 point to swapper_pg_dir so that global, kernel mappings can be used exclusively on v6 and v7 cores where they are needed. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/kernel/smp.c')
-rw-r--r--arch/arm/kernel/smp.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c
index d439a8f4c07..344e52b16c8 100644
--- a/arch/arm/kernel/smp.c
+++ b/arch/arm/kernel/smp.c
@@ -105,6 +105,7 @@ int __cpuinit __cpu_up(unsigned int cpu)
*/
secondary_data.stack = task_stack_page(idle) + THREAD_START_SP;
secondary_data.pgdir = virt_to_phys(pgd);
+ secondary_data.swapper_pg_dir = virt_to_phys(swapper_pg_dir);
__cpuc_flush_dcache_area(&secondary_data, sizeof(secondary_data));
outer_clean_range(__pa(&secondary_data), __pa(&secondary_data + 1));