From mboxrd@z Thu Jan 1 00:00:00 1970 From: zhangshaokun@hisilicon.com (Shaokun Zhang) Date: Sat, 6 Oct 2018 16:49:04 +0800 Subject: [PATCH] arm64: mm: Drop the unused cpu parameter Message-ID: <1538815744-27408-1-git-send-email-zhangshaokun@hisilicon.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Cpu parameter is never used in flush_context, remove it. Cc: Catalin Marinas Cc: Will Deacon Signed-off-by: Shaokun Zhang --- arch/arm64/mm/context.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/arm64/mm/context.c b/arch/arm64/mm/context.c index c127f94..009a7b2c 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); @@ -223,7 +223,7 @@ 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); } -- 2.7.4