From 45b95235b0ac86cef2ad4480b0618b8778847479 Mon Sep 17 00:00:00 2001 From: Will Deacon Date: Thu, 26 May 2011 11:24:25 +0100 Subject: ARM: 6944/1: mm: allow ASID 0 to be allocated to tasks Now that ASID 0 is no longer used as a reserved value, allow it to be allocated to tasks. Acked-by: Catalin Marinas Signed-off-by: Will Deacon Signed-off-by: Russell King --- arch/arm/mm/context.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'arch/arm/mm/context.c') diff --git a/arch/arm/mm/context.c b/arch/arm/mm/context.c index 0d86298c7279..8bfae964b133 100644 --- a/arch/arm/mm/context.c +++ b/arch/arm/mm/context.c @@ -94,7 +94,7 @@ static void reset_context(void *info) return; smp_rmb(); - asid = cpu_last_asid + cpu + 1; + asid = cpu_last_asid + cpu; flush_context(); set_mm_context(mm, asid); @@ -144,13 +144,13 @@ void __new_context(struct mm_struct *mm) * to start a new version and flush the TLB. */ if (unlikely((asid & ~ASID_MASK) == 0)) { - asid = cpu_last_asid + smp_processor_id() + 1; + asid = cpu_last_asid + smp_processor_id(); flush_context(); #ifdef CONFIG_SMP smp_wmb(); smp_call_function(reset_context, NULL, 1); #endif - cpu_last_asid += NR_CPUS; + cpu_last_asid += NR_CPUS - 1; } set_mm_context(mm, asid); -- cgit v1.2.3