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

[pandora-kernel.git] / arch / powerpc / kernel / process.c

diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index 91e52df..8f53954 100644 (file)
--- 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.