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authorMOKUNO Masakazu <mokuno@sm.sony.co.jp>2007-02-26 17:21:05 +0900
committerPaul Mackerras <paulus@samba.org>2007-03-09 15:03:24 +1100
commitfdc0a9be3a63a71c12de86cc97d4cd8cf46239c0 (patch)
tree9eb3abe2496812f877c0ff36042512b9548116db
parentdbc11f539df7c9a32424b78afb0314c68d5e7d0b (diff)
[POWERPC] Remove some redundant isync instructions
Remove some redundant isync instructions. enable_64b_mode() already does an isync, so there is no need to do it again. Signed-off-by: MOKUNO, Masakazu <mokuno@sm.sony.co.jp> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
-rw-r--r--arch/powerpc/kernel/head_64.S2
1 files changed, 0 insertions, 2 deletions
diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S
index 97cedcd6c9b..5a53cebd17e 100644
--- a/arch/powerpc/kernel/head_64.S
+++ b/arch/powerpc/kernel/head_64.S
@@ -1555,7 +1555,6 @@ _GLOBAL(generic_secondary_smp_init)
/* turn on 64-bit mode */
bl .enable_64b_mode
- isync
/* Set up a paca value for this processor. Since we have the
* physical cpu id in r24, we need to search the pacas to find
@@ -1851,7 +1850,6 @@ __secondary_start_pmac_0:
_GLOBAL(pmac_secondary_start)
/* turn on 64-bit mode */
bl .enable_64b_mode
- isync
/* Copy some CPU settings from CPU 0 */
bl .__restore_cpu_ppc970