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Merge branch 'stable-3.2' into pandora-3.2
[pandora-kernel.git]
/
arch
/
powerpc
/
kernel
/
entry_64.S
diff --git
a/arch/powerpc/kernel/entry_64.S
b/arch/powerpc/kernel/entry_64.S
index
d834425
..
654fc53
100644
(file)
--- a/
arch/powerpc/kernel/entry_64.S
+++ b/
arch/powerpc/kernel/entry_64.S
@@
-380,6
+380,12
@@
_GLOBAL(ret_from_fork)
li r3,0
b syscall_exit
li r3,0
b syscall_exit
+ .section ".toc","aw"
+DSCR_DEFAULT:
+ .tc dscr_default[TC],dscr_default
+
+ .section ".text"
+
/*
* This routine switches between two different tasks. The process
* state of one is saved on its kernel stack. Then the state
/*
* This routine switches between two different tasks. The process
* state of one is saved on its kernel stack. Then the state
@@
-519,9
+525,6
@@
END_MMU_FTR_SECTION_IFSET(MMU_FTR_1T_SEGMENT)
mr r1,r8 /* start using new stack pointer */
std r7,PACAKSAVE(r13)
mr r1,r8 /* start using new stack pointer */
std r7,PACAKSAVE(r13)
- ld r6,_CCR(r1)
- mtcrf 0xFF,r6
-
#ifdef CONFIG_ALTIVEC
BEGIN_FTR_SECTION
ld r0,THREAD_VRSAVE(r4)
#ifdef CONFIG_ALTIVEC
BEGIN_FTR_SECTION
ld r0,THREAD_VRSAVE(r4)
@@
-530,14
+533,22
@@
END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC)
#endif /* CONFIG_ALTIVEC */
#ifdef CONFIG_PPC64
BEGIN_FTR_SECTION
#endif /* CONFIG_ALTIVEC */
#ifdef CONFIG_PPC64
BEGIN_FTR_SECTION
+ lwz r6,THREAD_DSCR_INHERIT(r4)
+ ld r7,DSCR_DEFAULT@toc(2)
ld r0,THREAD_DSCR(r4)
ld r0,THREAD_DSCR(r4)
- cmpd r0,r25
- beq 1f
+ cmpwi r6,0
+ bne 1f
+ ld r0,0(r7)
+1: cmpd r0,r25
+ beq 2f
mtspr SPRN_DSCR,r0
mtspr SPRN_DSCR,r0
-1:
+2:
END_FTR_SECTION_IFSET(CPU_FTR_DSCR)
#endif
END_FTR_SECTION_IFSET(CPU_FTR_DSCR)
#endif
+ ld r6,_CCR(r1)
+ mtcrf 0xFF,r6
+
/* r3-r13 are destroyed -- Cort */
REST_8GPRS(14, r1)
REST_10GPRS(22, r1)
/* r3-r13 are destroyed -- Cort */
REST_8GPRS(14, r1)
REST_10GPRS(22, r1)