[SPARC64]: Kill BRANCH_IF_ANY_CHEETAH() from copy page.

Just patch the branch at boot time instead. Signed-off-by: David S. Miller <davem@davemloft.net>
git-mirror · Aug 30, 2005 · dbd2fdf · dbd2fdf
1 parent d7ce78f
commit dbd2fdf
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Showing 2 changed files with 14 additions and 2 deletions.
diff --git a/arch/sparc64/kernel/head.S b/arch/sparc64/kernel/head.S
@@ -538,11 +538,12 @@ cheetah_tlb_fixup:
 	 nop
 	call	cheetah_plus_patch_winfixup
 	 nop
-
 
 2:	/* Patch copy/page operations to cheetah optimized versions. */
 	call	cheetah_patch_copyops
 	 nop
+	call	cheetah_patch_copy_page
+	 nop
 	call	cheetah_patch_cachetlbops
 	 nop
 

diff --git a/arch/sparc64/lib/copy_page.S b/arch/sparc64/lib/copy_page.S
@@ -87,7 +87,7 @@ copy_user_page:		/* %o0=dest, %o1=src, %o2=vaddr */
 	membar		#Sync
 	wrpr		%o2, 0x0, %pstate
 
-	BRANCH_IF_ANY_CHEETAH(g3,o2,1f)
+cheetah_copy_page_insn:
 	ba,pt		%xcc, 9f
 	 nop
 
@@ -240,3 +240,14 @@ copy_user_page:		/* %o0=dest, %o1=src, %o2=vaddr */
 	 stw		%o4, [%g6 + TI_PRE_COUNT]
 
 	.size		copy_user_page, .-copy_user_page
+
+	.globl		cheetah_patch_copy_page
+cheetah_patch_copy_page:
+	sethi		%hi(0x01000000), %o1	! NOP
+	sethi		%hi(cheetah_copy_page_insn), %o0
+	or		%o0, %lo(cheetah_copy_page_insn), %o0
+	stw		%o1, [%o0]
+	membar		#StoreStore
+	flush		%o0
+	retl
+	 nop