---

yaml --- r: 42585 b: refs/heads/master c: 52e2778 h: refs/heads/master i: 42583: adb0c8c v: v3
git-mirror · Dec 6, 2006 · b6bf188 · b6bf188
1 parent 747b1b6
commit b6bf188
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Showing 3 changed files with 12 additions and 27 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 21440cf04a64cd1b1209c12a6e1a3afba2a28709
+refs/heads/master: 52e27782e1c4afa1feca0fdf194d279595e0431c
diff --git a/trunk/arch/sh/mm/cache-sh4.c b/trunk/arch/sh/mm/cache-sh4.c
@@ -11,12 +11,8 @@
  */
 #include <linux/init.h>
 #include <linux/mm.h>
-#include <asm/addrspace.h>
-#include <asm/pgtable.h>
-#include <asm/processor.h>
-#include <asm/cache.h>
-#include <asm/io.h>
-#include <asm/pgalloc.h>
+#include <linux/io.h>
+#include <linux/mutex.h>
 #include <asm/mmu_context.h>
 #include <asm/cacheflush.h>
 
@@ -83,9 +79,9 @@ static void __init emit_cache_params(void)
  */
 
 /* Worst case assumed to be 64k cache, direct-mapped i.e. 4 synonym bits. */
-#define MAX_P3_SEMAPHORES 16
+#define MAX_P3_MUTEXES 16
 
-struct semaphore p3map_sem[MAX_P3_SEMAPHORES];
+struct mutex p3map_mutex[MAX_P3_MUTEXES];
 
 void __init p3_cache_init(void)
 {
@@ -115,7 +111,7 @@ void __init p3_cache_init(void)
 		panic("%s failed.", __FUNCTION__);
 
 	for (i = 0; i < cpu_data->dcache.n_aliases; i++)
-		sema_init(&p3map_sem[i], 1);
+		mutex_init(&p3map_mutex[i]);
 }
 
 /*

diff --git a/trunk/arch/sh/mm/pg-sh4.c b/trunk/arch/sh/mm/pg-sh4.c
@@ -6,22 +6,12 @@
  *
  * Released under the terms of the GNU GPL v2.0.
  */
-#include <linux/init.h>
-#include <linux/mman.h>
 #include <linux/mm.h>
-#include <linux/threads.h>
-#include <asm/addrspace.h>
-#include <asm/page.h>
-#include <asm/pgtable.h>
-#include <asm/processor.h>
-#include <asm/cache.h>
-#include <asm/io.h>
-#include <asm/uaccess.h>
-#include <asm/pgalloc.h>
+#include <linux/mutex.h>
 #include <asm/mmu_context.h>
 #include <asm/cacheflush.h>
 
-extern struct semaphore p3map_sem[];
+extern struct mutex p3map_mutex[];
 
 #define CACHE_ALIAS (cpu_data->dcache.alias_mask)
 
@@ -47,15 +37,15 @@ void clear_user_page(void *to, unsigned long address, struct page *page)
 		unsigned long flags;
 
 		entry = pfn_pte(phys_addr >> PAGE_SHIFT, PAGE_KERNEL);
-		down(&p3map_sem[(address & CACHE_ALIAS)>>12]);
+		mutex_lock(&p3map_mutex[(address & CACHE_ALIAS)>>12]);
 		set_pte(pte, entry);
 		local_irq_save(flags);
 		__flush_tlb_page(get_asid(), p3_addr);
 		local_irq_restore(flags);
 		update_mmu_cache(NULL, p3_addr, entry);
 		__clear_user_page((void *)p3_addr, to);
 		pte_clear(&init_mm, p3_addr, pte);
-		up(&p3map_sem[(address & CACHE_ALIAS)>>12]);
+		mutex_unlock(&p3map_mutex[(address & CACHE_ALIAS)>>12]);
 	}
 }
 
@@ -83,15 +73,15 @@ void copy_user_page(void *to, void *from, unsigned long address,
 		unsigned long flags;
 
 		entry = pfn_pte(phys_addr >> PAGE_SHIFT, PAGE_KERNEL);
-		down(&p3map_sem[(address & CACHE_ALIAS)>>12]);
+		mutex_lock(&p3map_mutex[(address & CACHE_ALIAS)>>12]);
 		set_pte(pte, entry);
 		local_irq_save(flags);
 		__flush_tlb_page(get_asid(), p3_addr);
 		local_irq_restore(flags);
 		update_mmu_cache(NULL, p3_addr, entry);
 		__copy_user_page((void *)p3_addr, from, to);
 		pte_clear(&init_mm, p3_addr, pte);
-		up(&p3map_sem[(address & CACHE_ALIAS)>>12]);
+		mutex_unlock(&p3map_mutex[(address & CACHE_ALIAS)>>12]);
 	}
 }
 
@@ -114,4 +104,3 @@ inline pte_t ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, pte_t
 	}
 	return pte;
 }
-