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Subject[PATCH 1/2] microblaze: Separate GP registers from MSR handling
Date
Separate general purpose register restoring from MSR handling.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
---

arch/microblaze/kernel/entry.S | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/arch/microblaze/kernel/entry.S b/arch/microblaze/kernel/entry.S
index ef548510b951..285e8880e274 100644
--- a/arch/microblaze/kernel/entry.S
+++ b/arch/microblaze/kernel/entry.S
@@ -208,9 +208,7 @@ syscall_debug_table:
mfs r11, rmsr; /* save MSR */ \
swi r11, r1, PT_MSR;

-#define RESTORE_REGS \
- lwi r11, r1, PT_MSR; \
- mts rmsr , r11; \
+#define RESTORE_REGS_GP \
lwi r2, r1, PT_R2; /* restore SDA */ \
lwi r3, r1, PT_R3; \
lwi r4, r1, PT_R4; \
@@ -242,6 +240,11 @@ syscall_debug_table:
lwi r30, r1, PT_R30; \
lwi r31, r1, PT_R31; /* Restore cur task reg */

+#define RESTORE_REGS \
+ lwi r11, r1, PT_MSR; \
+ mts rmsr , r11; \
+ RESTORE_REGS_GP
+
#define SAVE_STATE \
swi r1, r0, TOPHYS(PER_CPU(ENTRY_SP)); /* save stack */ \
/* See if already in kernel mode.*/ \
--
1.9.1
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