Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus

[pandora-kernel.git] / arch / mips / kernel / r4k_switch.S

diff --git a/arch/mips/kernel/r4k_switch.S b/arch/mips/kernel/r4k_switch.S
index c7698fd..d9bfae5 100644 (file)
--- a/arch/mips/kernel/r4k_switch.S
+++ b/arch/mips/kernel/r4k_switch.S
@@ -48,7 +48,8 @@
 #ifndef CONFIG_CPU_HAS_LLSC
        sw      zero, ll_bit
 #endif
-       mfc0    t2, CP0_STATUS
+       mfc0    t1, CP0_STATUS
+       LONG_S  t1, THREAD_STATUS(a0)
        cpu_save_nonscratch a0
        LONG_S  ra, THREAD_REG31(a0)
 
@@ -58,8 +59,8 @@
        PTR_L   t3, TASK_THREAD_INFO(a0)
        LONG_L  t0, TI_FLAGS(t3)
        li      t1, _TIF_USEDFPU
-       and     t1, t0
-       beqz    t1, 1f
+       and     t2, t0, t1
+       beqz    t2, 1f
        nor     t1, zero, t1
 
        and     t0, t0, t1
@@ -72,13 +73,10 @@
        li      t1, ~ST0_CU1
        and     t0, t0, t1
        LONG_S  t0, ST_OFF(t3)
-       /* clear thread_struct CU1 bit */
-       and     t2, t1
 
        fpu_save_double a0 t0 t1                # c0_status passed in t0
                                                # clobbers t1
 1:
-       LONG_S  t2, THREAD_STATUS(a0)
 
        /*
         * The order of restoring the registers takes care of the race
@@ -87,12 +85,7 @@
        move    $28, a2
        cpu_restore_nonscratch a1
 
-#if (_THREAD_SIZE - 32) < 0x10000
-       PTR_ADDIU       t0, $28, _THREAD_SIZE - 32
-#else
-       PTR_LI          t0, _THREAD_SIZE - 32
-       PTR_ADDU        t0, $28
-#endif
+       PTR_ADDU        t0, $28, _THREAD_SIZE - 32
        set_saved_sp    t0, t1, t2
 #ifdef CONFIG_MIPS_MT_SMTC
        /* Read-modify-writes of Status must be atomic on a VPE */
@@ -176,7 +169,7 @@ LEAF(_init_fpu)
        or      t0, t1
        mtc0    t0, CP0_STATUS
 #endif /* CONFIG_MIPS_MT_SMTC */
-       fpu_enable_hazard
+       enable_fpu_hazard
 
        li      t1, FPU_DEFAULT
        ctc1    t1, fcr31