From: David S. Miller <davem@sunset.davemloft.net>
Date: Fri, 16 Nov 2007 11:06:07 +0000 (-0800)
Subject: [SPARC]: Merge asm-sparc{,64}/cache.h
X-Git-Tag: v2.6.25-rc1~9^2~9
X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=d113fcd9cf807045e38998a60b4f4577c927c300;p=linux-2.6-omap-h63xx.git

[SPARC]: Merge asm-sparc{,64}/cache.h

Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/arch/sparc/kernel/vmlinux.lds.S b/arch/sparc/kernel/vmlinux.lds.S
index 216147d6e61..b1002c60719 100644
--- a/arch/sparc/kernel/vmlinux.lds.S
+++ b/arch/sparc/kernel/vmlinux.lds.S
@@ -89,6 +89,10 @@ SECTIONS
 	.data.cacheline_aligned : {
 		*(.data.cacheline_aligned)
 	}
+	. = ALIGN(32);
+	.data.read_mostly : {
+		*(.data.read_mostly)
+	}
 
 	__bss_start = .;
 	.sbss : {
diff --git a/include/asm-sparc/cache.h b/include/asm-sparc/cache.h
index cb971e88aea..41f85ae4bd4 100644
--- a/include/asm-sparc/cache.h
+++ b/include/asm-sparc/cache.h
@@ -1,20 +1,28 @@
-/* $Id: cache.h,v 1.9 1999/08/14 03:51:58 anton Exp $
- * cache.h:  Cache specific code for the Sparc.  These include flushing
+/* cache.h:  Cache specific code for the Sparc.  These include flushing
  *           and direct tag/data line access.
  *
- * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
+ * Copyright (C) 1995, 2007 David S. Miller (davem@davemloft.net)
  */
 
 #ifndef _SPARC_CACHE_H
 #define _SPARC_CACHE_H
 
-#include <asm/asi.h>
-
 #define L1_CACHE_SHIFT 5
 #define L1_CACHE_BYTES 32
 #define L1_CACHE_ALIGN(x) ((((x)+(L1_CACHE_BYTES-1))&~(L1_CACHE_BYTES-1)))
 
-#define SMP_CACHE_BYTES 32
+#ifdef CONFIG_SPARC32
+#define SMP_CACHE_BYTES_SHIFT 5
+#else
+#define SMP_CACHE_BYTES_SHIFT 6
+#endif
+
+#define SMP_CACHE_BYTES (1 << SMP_CACHE_BYTES_SHIFT)
+
+#define __read_mostly __attribute__((__section__(".data.read_mostly")))
+
+#ifdef CONFIG_SPARC32
+#include <asm/asi.h>
 
 /* Direct access to the instruction cache is provided through and
  * alternate address space.  The IDC bit must be off in the ICCR on
@@ -125,5 +133,6 @@ static inline void flush_ei_user(unsigned int addr)
 			     "r" (addr), "i" (ASI_M_FLUSH_USER) :
 			     "memory");
 }
+#endif /* CONFIG_SPARC32 */
 
 #endif /* !(_SPARC_CACHE_H) */
diff --git a/include/asm-sparc64/cache.h b/include/asm-sparc64/cache.h
index e9df17acedd..fa9de5cadbf 100644
--- a/include/asm-sparc64/cache.h
+++ b/include/asm-sparc64/cache.h
@@ -1,18 +1 @@
-/*
- * include/asm-sparc64/cache.h
- */
-#ifndef __ARCH_SPARC64_CACHE_H
-#define __ARCH_SPARC64_CACHE_H
-
-/* bytes per L1 cache line */
-#define        L1_CACHE_SHIFT	5
-#define        L1_CACHE_BYTES	32 /* Two 16-byte sub-blocks per line. */
-
-#define        L1_CACHE_ALIGN(x)       (((x)+(L1_CACHE_BYTES-1))&~(L1_CACHE_BYTES-1))
-
-#define        SMP_CACHE_BYTES_SHIFT	6
-#define        SMP_CACHE_BYTES		(1 << SMP_CACHE_BYTES_SHIFT) /* L2 cache line size. */
-
-#define __read_mostly __attribute__((__section__(".data.read_mostly")))
-
-#endif
+#include <asm-sparc/cache.h>