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authorDavid S. Miller <davem@davemloft.net>2005-08-30 14:26:15 -0400
committerDavid S. Miller <davem@davemloft.net>2005-08-30 14:26:15 -0400
commitdbd2fdf549317de00e0b5ea465de5372039b7ee8 (patch)
tree67fad29313468b3f232264e98b508d9f3bd6a4de /arch/sparc64/lib
parentd7ce78fd9a51ca0d6b9a8cf35baef884ddb9a95c (diff)
[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>
Diffstat (limited to 'arch/sparc64/lib')
-rw-r--r--arch/sparc64/lib/copy_page.S13
1 files changed, 12 insertions, 1 deletions
diff --git a/arch/sparc64/lib/copy_page.S b/arch/sparc64/lib/copy_page.S
index 23ebf2c970b7..feebb14fd27a 100644
--- 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 */
87 membar #Sync 87 membar #Sync
88 wrpr %o2, 0x0, %pstate 88 wrpr %o2, 0x0, %pstate
89 89
90 BRANCH_IF_ANY_CHEETAH(g3,o2,1f) 90cheetah_copy_page_insn:
91 ba,pt %xcc, 9f 91 ba,pt %xcc, 9f
92 nop 92 nop
93 93
@@ -240,3 +240,14 @@ copy_user_page: /* %o0=dest, %o1=src, %o2=vaddr */
240 stw %o4, [%g6 + TI_PRE_COUNT] 240 stw %o4, [%g6 + TI_PRE_COUNT]
241 241
242 .size copy_user_page, .-copy_user_page 242 .size copy_user_page, .-copy_user_page
243
244 .globl cheetah_patch_copy_page
245cheetah_patch_copy_page:
246 sethi %hi(0x01000000), %o1 ! NOP
247 sethi %hi(cheetah_copy_page_insn), %o0
248 or %o0, %lo(cheetah_copy_page_insn), %o0
249 stw %o1, [%o0]
250 membar #StoreStore
251 flush %o0
252 retl
253 nop