summaryrefslogtreecommitdiffstats
path: root/arch/arm64
diff options
context:
space:
mode:
authorShaokun Zhang <zhangshaokun@hisilicon.com>2018-10-06 16:49:04 +0800
committerCatalin Marinas <catalin.marinas@arm.com>2018-10-09 17:17:23 +0100
commit742fafa50b62cb9f379ba14a13443f52afdc0c5d (patch)
tree6f2eb277dc549b220eaa96cc365006d727ad1faf /arch/arm64
parentc20c650d9116a1e7be1b1d38810cbb2168a2ca98 (diff)
downloadlinux-742fafa50b62cb9f379ba14a13443f52afdc0c5d.tar.bz2
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>
Diffstat (limited to 'arch/arm64')
-rw-r--r--arch/arm64/mm/context.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/arm64/mm/context.c b/arch/arm64/mm/context.c
index a65af49e12e7..1f0ea2facf24 100644
--- 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);
}