linux-kernel - [PATCH] tile: remove calls to arch_flush_lazy_mmu

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Date:	Wed, 7 Aug 2013 11:07:52 -0400
From:	Chris Metcalf <cmetcalf@...era.com>
To:	<linux-kernel@...r.kernel.org>
Subject: [PATCH] tile: remove calls to arch_flush_lazy_mmu_mode()

Since it's a no-op on tile anyway, there's no reason to be calling
it in tile-specific code.

Signed-off-by: Chris Metcalf <cmetcalf@...era.com>
---
 arch/tile/mm/fault.c   | 5 ++---
 arch/tile/mm/highmem.c | 2 --
 2 files changed, 2 insertions(+), 5 deletions(-)

diff --git a/arch/tile/mm/fault.c b/arch/tile/mm/fault.c
index 7863298..502664a 100644
--- a/arch/tile/mm/fault.c
+++ b/arch/tile/mm/fault.c
@@ -122,10 +122,9 @@ static inline pmd_t *vmalloc_sync_one(pgd_t *pgd, unsigned long address)
 	pmd_k = pmd_offset(pud_k, address);
 	if (!pmd_present(*pmd_k))
 		return NULL;
-	if (!pmd_present(*pmd)) {
+	if (!pmd_present(*pmd))
 		set_pmd(pmd, *pmd_k);
-		arch_flush_lazy_mmu_mode();
-	} else
+	else
 		BUG_ON(pmd_ptfn(*pmd) != pmd_ptfn(*pmd_k));
 	return pmd_k;
 }
diff --git a/arch/tile/mm/highmem.c b/arch/tile/mm/highmem.c
index 347d123..0dc2182 100644
--- a/arch/tile/mm/highmem.c
+++ b/arch/tile/mm/highmem.c
@@ -114,7 +114,6 @@ static void kmap_atomic_register(struct page *page, int type,
 
 	list_add(&amp->list, &amp_list);
 	set_pte(ptep, pteval);
-	arch_flush_lazy_mmu_mode();
 
 	spin_unlock(&amp_lock);
 	homecache_kpte_unlock(flags);
@@ -259,7 +258,6 @@ void __kunmap_atomic(void *kvaddr)
 		BUG_ON(vaddr >= (unsigned long)high_memory);
 	}
 
-	arch_flush_lazy_mmu_mode();
 	pagefault_enable();
 }
 EXPORT_SYMBOL(__kunmap_atomic);
-- 
1.8.3.1

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