Don't check for kernel space if no modules.
Signed-off-by: Joakim Tjernlund <joakim.tjernl...@transmode.se>
---
arch/ppc/kernel/head_8xx.S | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/arch/ppc/kernel/head_8xx.S b/arch/ppc/kernel/head_8xx.S
index 43bccb1..5dbbdb4 100644
--- a/arch/ppc/kernel/head_8xx.S
+++ b/arch/ppc/kernel/head_8xx.S
@@ -347,12 +347,17 @@ InstructionTLBMiss:
/* If we are faulting a kernel address, we have to use the
* kernel page tables.
*/
+#ifdef CONFIG_MODULES
+ /* Since we PIN the first 8MB text, we only get ITLB misses
+ * for modules
+ */
andi. r21, r20, 0x0800 /* Address >= 0x80000000 */
beq 3f
lis r21, swapper_pg_...@h
ori r21, r21, swapper_pg_...@l
rlwimi r20, r21, 0, 2, 19
3:
+#endif
lwz r21, 0(r20) /* Get the level 1 entry */
rlwinm. r20, r21,0,0,19 /* Extract page descriptor page address */
--
1.7.3.4
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