summaryrefslogtreecommitdiff
path: root/arch/powerpc/kernel/process.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/kernel/process.c')
-rw-r--r--arch/powerpc/kernel/process.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index 91e52df3d81d..8f53954e75a3 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -96,6 +96,7 @@ void flush_fp_to_thread(struct task_struct *tsk)
preempt_enable();
}
}
+EXPORT_SYMBOL_GPL(flush_fp_to_thread);
void enable_kernel_fp(void)
{
@@ -145,6 +146,7 @@ void flush_altivec_to_thread(struct task_struct *tsk)
preempt_enable();
}
}
+EXPORT_SYMBOL_GPL(flush_altivec_to_thread);
#endif /* CONFIG_ALTIVEC */
#ifdef CONFIG_VSX
@@ -186,6 +188,7 @@ void flush_vsx_to_thread(struct task_struct *tsk)
preempt_enable();
}
}
+EXPORT_SYMBOL_GPL(flush_vsx_to_thread);
#endif /* CONFIG_VSX */
#ifdef CONFIG_SPE
@@ -213,6 +216,7 @@ void flush_spe_to_thread(struct task_struct *tsk)
#ifdef CONFIG_SMP
BUG_ON(tsk != current);
#endif
+ tsk->thread.spefscr = mfspr(SPRN_SPEFSCR);
giveup_spe(tsk);
}
preempt_enable();
@@ -650,6 +654,8 @@ void show_regs(struct pt_regs * regs)
printbits(regs->msr, msr_bits);
printk(" CR: %08lx XER: %08lx\n", regs->ccr, regs->xer);
trap = TRAP(regs);
+ if ((regs->trap != 0xc00) && cpu_has_feature(CPU_FTR_CFAR))
+ printk("CFAR: "REG"\n", regs->orig_gpr3);
if (trap == 0x300 || trap == 0x600)
#ifdef CONFIG_PPC_ADV_DEBUG_REGS
printk("DEAR: "REG", ESR: "REG"\n", regs->dar, regs->dsisr);
@@ -831,8 +837,6 @@ void start_thread(struct pt_regs *regs, unsigned long start, unsigned long sp)
unsigned long load_addr = regs->gpr[2]; /* saved by ELF_PLAT_INIT */
#endif
- set_fs(USER_DS);
-
/*
* If we exec out of a kernel thread then thread.regs will not be
* set. Do it now.