X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fsparc%2Flib%2Fcopy_user.S;h=ef095b6c43b157dc7ad076b641893b59e25775de;hb=refs%2Fheads%2Fvserver;hp=0924f829ddd53d2567437616f5c0e8188dad85f6;hpb=5273a3df6485dc2ad6aa7ddd441b9a21970f003b;p=linux-2.6.git

diff --git a/arch/sparc/lib/copy_user.S b/arch/sparc/lib/copy_user.S
index 0924f829d..ef095b6c4 100644
--- a/arch/sparc/lib/copy_user.S
+++ b/arch/sparc/lib/copy_user.S
@@ -14,6 +14,7 @@
 #include <asm/ptrace.h>
 #include <asm/asmmacro.h>
 #include <asm/page.h>
+#include <asm/thread_info.h>
 
 /* Work around cpp -rob */
 #define ALLOC #alloc
@@ -64,52 +65,52 @@
 
 /* Both these macros have to start with exactly the same insn */
 #define MOVE_BIGCHUNK(src, dst, offset, t0, t1, t2, t3, t4, t5, t6, t7) \
-	ldd	[%src + offset + 0x00], %t0; \
-	ldd	[%src + offset + 0x08], %t2; \
-	ldd	[%src + offset + 0x10], %t4; \
-	ldd	[%src + offset + 0x18], %t6; \
-	st	%t0, [%dst + offset + 0x00]; \
-	st	%t1, [%dst + offset + 0x04]; \
-	st	%t2, [%dst + offset + 0x08]; \
-	st	%t3, [%dst + offset + 0x0c]; \
-	st	%t4, [%dst + offset + 0x10]; \
-	st	%t5, [%dst + offset + 0x14]; \
-	st	%t6, [%dst + offset + 0x18]; \
-	st	%t7, [%dst + offset + 0x1c];
+	ldd	[%src + (offset) + 0x00], %t0; \
+	ldd	[%src + (offset) + 0x08], %t2; \
+	ldd	[%src + (offset) + 0x10], %t4; \
+	ldd	[%src + (offset) + 0x18], %t6; \
+	st	%t0, [%dst + (offset) + 0x00]; \
+	st	%t1, [%dst + (offset) + 0x04]; \
+	st	%t2, [%dst + (offset) + 0x08]; \
+	st	%t3, [%dst + (offset) + 0x0c]; \
+	st	%t4, [%dst + (offset) + 0x10]; \
+	st	%t5, [%dst + (offset) + 0x14]; \
+	st	%t6, [%dst + (offset) + 0x18]; \
+	st	%t7, [%dst + (offset) + 0x1c];
 
 #define MOVE_BIGALIGNCHUNK(src, dst, offset, t0, t1, t2, t3, t4, t5, t6, t7) \
-	ldd	[%src + offset + 0x00], %t0; \
-	ldd	[%src + offset + 0x08], %t2; \
-	ldd	[%src + offset + 0x10], %t4; \
-	ldd	[%src + offset + 0x18], %t6; \
-	std	%t0, [%dst + offset + 0x00]; \
-	std	%t2, [%dst + offset + 0x08]; \
-	std	%t4, [%dst + offset + 0x10]; \
-	std	%t6, [%dst + offset + 0x18];
+	ldd	[%src + (offset) + 0x00], %t0; \
+	ldd	[%src + (offset) + 0x08], %t2; \
+	ldd	[%src + (offset) + 0x10], %t4; \
+	ldd	[%src + (offset) + 0x18], %t6; \
+	std	%t0, [%dst + (offset) + 0x00]; \
+	std	%t2, [%dst + (offset) + 0x08]; \
+	std	%t4, [%dst + (offset) + 0x10]; \
+	std	%t6, [%dst + (offset) + 0x18];
 
 #define MOVE_LASTCHUNK(src, dst, offset, t0, t1, t2, t3) \
-	ldd	[%src - offset - 0x10], %t0; \
-	ldd	[%src - offset - 0x08], %t2; \
-	st	%t0, [%dst - offset - 0x10]; \
-	st	%t1, [%dst - offset - 0x0c]; \
-	st	%t2, [%dst - offset - 0x08]; \
-	st	%t3, [%dst - offset - 0x04];
+	ldd	[%src - (offset) - 0x10], %t0; \
+	ldd	[%src - (offset) - 0x08], %t2; \
+	st	%t0, [%dst - (offset) - 0x10]; \
+	st	%t1, [%dst - (offset) - 0x0c]; \
+	st	%t2, [%dst - (offset) - 0x08]; \
+	st	%t3, [%dst - (offset) - 0x04];
 
 #define MOVE_HALFCHUNK(src, dst, offset, t0, t1, t2, t3) \
-	lduh	[%src + offset + 0x00], %t0; \
-	lduh	[%src + offset + 0x02], %t1; \
-	lduh	[%src + offset + 0x04], %t2; \
-	lduh	[%src + offset + 0x06], %t3; \
-	sth	%t0, [%dst + offset + 0x00]; \
-	sth	%t1, [%dst + offset + 0x02]; \
-	sth	%t2, [%dst + offset + 0x04]; \
-	sth	%t3, [%dst + offset + 0x06];
+	lduh	[%src + (offset) + 0x00], %t0; \
+	lduh	[%src + (offset) + 0x02], %t1; \
+	lduh	[%src + (offset) + 0x04], %t2; \
+	lduh	[%src + (offset) + 0x06], %t3; \
+	sth	%t0, [%dst + (offset) + 0x00]; \
+	sth	%t1, [%dst + (offset) + 0x02]; \
+	sth	%t2, [%dst + (offset) + 0x04]; \
+	sth	%t3, [%dst + (offset) + 0x06];
 
 #define MOVE_SHORTCHUNK(src, dst, offset, t0, t1) \
-	ldub	[%src - offset - 0x02], %t0; \
-	ldub	[%src - offset - 0x01], %t1; \
-	stb	%t0, [%dst - offset - 0x02]; \
-	stb	%t1, [%dst - offset - 0x01];
+	ldub	[%src - (offset) - 0x02], %t0; \
+	ldub	[%src - (offset) - 0x01], %t1; \
+	stb	%t0, [%dst - (offset) - 0x02]; \
+	stb	%t1, [%dst - (offset) - 0x01];
 
 	.text
 	.align	4
@@ -366,6 +367,9 @@ fixupretl:
 	blu	1f
 	 cmp	%o1, %g1
 	bgeu	1f
+	 ld	[%g6 + TI_PREEMPT], %g1
+	cmp	%g1, 0
+	bne	1f
 	 nop
 	save	%sp, -64, %sp
 	mov	%i0, %o0