Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel...

[pandora-kernel.git] / arch / powerpc / kernel / misc_64.S

diff --git a/arch/powerpc/kernel/misc_64.S b/arch/powerpc/kernel/misc_64.S
index b9530b2..a2b18df 100644 (file)
--- a/arch/powerpc/kernel/misc_64.S
+++ b/arch/powerpc/kernel/misc_64.S
@@ -24,6 +24,7 @@
 #include <asm/asm-offsets.h>
 #include <asm/cputable.h>
 #include <asm/thread_info.h>
+#include <asm/kexec.h>
 
        .text
 
@@ -457,98 +458,6 @@ _GLOBAL(disable_kernel_fp)
        isync
        blr
 
-#ifdef CONFIG_ALTIVEC
-
-#if 0 /* this has no callers for now */
-/*
- * disable_kernel_altivec()
- * Disable the VMX.
- */
-_GLOBAL(disable_kernel_altivec)
-       mfmsr   r3
-       rldicl  r0,r3,(63-MSR_VEC_LG),1
-       rldicl  r3,r0,(MSR_VEC_LG+1),0
-       mtmsrd  r3                      /* disable use of VMX now */
-       isync
-       blr
-#endif /* 0 */
-
-/*
- * giveup_altivec(tsk)
- * Disable VMX for the task given as the argument,
- * and save the vector registers in its thread_struct.
- * Enables the VMX for use in the kernel on return.
- */
-_GLOBAL(giveup_altivec)
-       mfmsr   r5
-       oris    r5,r5,MSR_VEC@h
-       mtmsrd  r5                      /* enable use of VMX now */
-       isync
-       cmpdi   0,r3,0
-       beqlr-                          /* if no previous owner, done */
-       addi    r3,r3,THREAD            /* want THREAD of task */
-       ld      r5,PT_REGS(r3)
-       cmpdi   0,r5,0
-       SAVE_32VRS(0,r4,r3)
-       mfvscr  vr0
-       li      r4,THREAD_VSCR
-       stvx    vr0,r4,r3
-       beq     1f
-       ld      r4,_MSR-STACK_FRAME_OVERHEAD(r5)
-#ifdef CONFIG_VSX
-BEGIN_FTR_SECTION
-       lis     r3,(MSR_VEC|MSR_VSX)@h
-FTR_SECTION_ELSE
-       lis     r3,MSR_VEC@h
-ALT_FTR_SECTION_END_IFSET(CPU_FTR_VSX)
-#else
-       lis     r3,MSR_VEC@h
-#endif
-       andc    r4,r4,r3                /* disable FP for previous task */
-       std     r4,_MSR-STACK_FRAME_OVERHEAD(r5)
-1:
-#ifndef CONFIG_SMP
-       li      r5,0
-       ld      r4,last_task_used_altivec@got(r2)
-       std     r5,0(r4)
-#endif /* CONFIG_SMP */
-       blr
-
-#endif /* CONFIG_ALTIVEC */
-
-#ifdef CONFIG_VSX
-/*
- * __giveup_vsx(tsk)
- * Disable VSX for the task given as the argument.
- * Does NOT save vsx registers.
- * Enables the VSX for use in the kernel on return.
- */
-_GLOBAL(__giveup_vsx)
-       mfmsr   r5
-       oris    r5,r5,MSR_VSX@h
-       mtmsrd  r5                      /* enable use of VSX now */
-       isync
-
-       cmpdi   0,r3,0
-       beqlr-                          /* if no previous owner, done */
-       addi    r3,r3,THREAD            /* want THREAD of task */
-       ld      r5,PT_REGS(r3)
-       cmpdi   0,r5,0
-       beq     1f
-       ld      r4,_MSR-STACK_FRAME_OVERHEAD(r5)
-       lis     r3,MSR_VSX@h
-       andc    r4,r4,r3                /* disable VSX for previous task */
-       std     r4,_MSR-STACK_FRAME_OVERHEAD(r5)
-1:
-#ifndef CONFIG_SMP
-       li      r5,0
-       ld      r4,last_task_used_vsx@got(r2)
-       std     r5,0(r4)
-#endif /* CONFIG_SMP */
-       blr
-
-#endif /* CONFIG_VSX */
-
 /* kexec_wait(phys_cpu)
  *
  * wait for the flag to change, indicating this kernel is going away but
@@ -563,6 +472,10 @@ _GLOBAL(kexec_wait)
 1:     mflr    r5
        addi    r5,r5,kexec_flag-1b
 
+       li      r4,KEXEC_STATE_REAL_MODE
+       stb     r4,PACAKEXECSTATE(r13)
+       SYNC
+
 99:    HMT_LOW
 #ifdef CONFIG_KEXEC            /* use no memory without kexec */
        lwz     r4,0(r5)
@@ -586,14 +499,11 @@ kexec_flag:
  * note: this is a terminal routine, it does not save lr
  *
  * get phys id from paca
- * set paca id to -1 to say we got here
  * switch to real mode
  * join other cpus in kexec_wait(phys_id)
  */
 _GLOBAL(kexec_smp_wait)
        lhz     r3,PACAHWCPUID(r13)
-       li      r4,-1
-       sth     r4,PACAHWCPUID(r13)     /* let others know we left */
        bl      real_mode
        b       .kexec_wait