arm64: mm: Drop the unused cpu parameter

Cpu parameter is never used in flush_context, remove it.

Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Shaokun Zhang <zhangshaokun@hisilicon.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

diff --git a/arch/arm64/mm/context.c b/arch/arm64/mm/context.c
index a65af49e12e74a156befe6cdb4b3823efae9c5cd..1f0ea2facf2483e78cc00c53691b36c06ec0b3da 100644 (file)
--- a/arch/arm64/mm/context.c
+++ b/arch/arm64/mm/context.c
@@ -88,7 +88,7 @@ void verify_cpu_asid_bits(void)
        }
 }
 
-static void flush_context(unsigned int cpu)
+static void flush_context(void)
 {
        int i;
        u64 asid;
@@ -142,7 +142,7 @@ static bool check_update_reserved_asid(u64 asid, u64 newasid)
        return hit;
 }
 
-static u64 new_context(struct mm_struct *mm, unsigned int cpu)
+static u64 new_context(struct mm_struct *mm)
 {
        static u32 cur_idx = 1;
        u64 asid = atomic64_read(&mm->context.id);
@@ -180,7 +180,7 @@ static u64 new_context(struct mm_struct *mm, unsigned int cpu)
        /* We're out of ASIDs, so increment the global generation count */
        generation = atomic64_add_return_relaxed(ASID_FIRST_VERSION,
                                                 &asid_generation);
-       flush_context(cpu);
+       flush_context();
 
        /* We have more ASIDs than CPUs, so this will always succeed */
        asid = find_next_zero_bit(asid_map, NUM_USER_ASIDS, 1);
@@ -226,7 +226,7 @@ void check_and_switch_context(struct mm_struct *mm, unsigned int cpu)
        /* Check that our ASID belongs to the current generation. */
        asid = atomic64_read(&mm->context.id);
        if ((asid ^ atomic64_read(&asid_generation)) >> asid_bits) {
-               asid = new_context(mm, cpu);
+               asid = new_context(mm);
                atomic64_set(&mm->context.id, asid);
        }