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Commit 742fafa5 authored by Shaokun Zhang's avatar Shaokun Zhang Committed by Catalin Marinas
Browse files

arm64: mm: Drop the unused cpu parameter 



Cpu parameter is never used in flush_context, remove it.

Acked-by: default avatarWill Deacon <will.deacon@arm.com>
Signed-off-by: default avatarShaokun Zhang <zhangshaokun@hisilicon.com>
Signed-off-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
parent c20c650d

arch/arm64/mm/context.c

+4 −4
Original line number Diff line number Diff line
@@ -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);

	}