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authorMichal Simek <monstr@monstr.eu>2010-02-22 13:24:43 +0100
committerMichal Simek <monstr@monstr.eu>2010-03-11 14:25:54 +0100
commit8633bebc63ba5752254925f8b49a19102df1a0ff (patch)
tree3b86a4b83255a33f6a12f00974e440c414c9b284 /arch/microblaze/kernel
parentb1d70c62fff3e8b6224699801c610c244882685a (diff)
microblaze: Save current task directly
Signed-off-by: Michal Simek <monstr@monstr.eu>
Diffstat (limited to 'arch/microblaze/kernel')
-rw-r--r--arch/microblaze/kernel/entry.S12
1 files changed, 4 insertions, 8 deletions
diff --git a/arch/microblaze/kernel/entry.S b/arch/microblaze/kernel/entry.S
index 772fe7415f8..cc9885d441d 100644
--- a/arch/microblaze/kernel/entry.S
+++ b/arch/microblaze/kernel/entry.S
@@ -425,8 +425,7 @@ C_ENTRY(ret_from_trap):
lwi r4, r1, PTO + PT_R4;
swi r0, r0, PER_CPU(KM); /* Now officially in user state. */
- add r11, r0, CURRENT_TASK; /* Get current task ptr into r11 */
- swi r11, r0, PER_CPU(CURRENT_SAVE); /* save current */
+ swi CURRENT_TASK, r0, PER_CPU(CURRENT_SAVE); /* save current */
VM_OFF;
tophys(r1,r1);
RESTORE_REGS;
@@ -700,8 +699,7 @@ C_ENTRY(ret_from_exc):
/* Finally, return to user state. */
1: swi r0, r0, PER_CPU(KM); /* Now officially in user state. */
- add r11, r0, CURRENT_TASK; /* Get current task ptr into r11 */
- swi r11, r0, PER_CPU(CURRENT_SAVE); /* save current */
+ swi CURRENT_TASK, r0, PER_CPU(CURRENT_SAVE); /* save current */
VM_OFF;
tophys(r1,r1);
@@ -828,8 +826,7 @@ no_intr_resched:
/* Disable interrupts, we are now committed to the state restore */
disable_irq
swi r0, r0, PER_CPU(KM); /* MS: Now officially in user state. */
- add r11, r0, CURRENT_TASK;
- swi r11, r0, PER_CPU(CURRENT_SAVE);
+ swi CURRENT_TASK, r0, PER_CPU(CURRENT_SAVE);
VM_OFF;
tophys(r1,r1);
lwi r3, r1, PTO + PT_R3; /* MS: restore saved r3, r4 registers */
@@ -979,8 +976,7 @@ dbtrap_call: rtbd r11, 0;
/* Finally, return to user state. */
1: swi r0, r0, PER_CPU(KM); /* Now officially in user state. */
- add r11, r0, CURRENT_TASK; /* Get current task ptr into r11 */
- swi r11, r0, PER_CPU(CURRENT_SAVE); /* save current */
+ swi CURRENT_TASK, r0, PER_CPU(CURRENT_SAVE); /* save current */
VM_OFF;
tophys(r1,r1);