Merge git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc

* git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (139 commits)
  [POWERPC] re-enable OProfile for iSeries, using timer interrupt
  [POWERPC] support ibm,extended-*-frequency properties
  [POWERPC] Extra sanity check in EEH code
  [POWERPC] Dont look for class-code in pci children
  [POWERPC] Fix mdelay badness on shared processor partitions
  [POWERPC] disable floating point exceptions for init
  [POWERPC] Unify ppc syscall tables
  [POWERPC] mpic: add support for serial mode interrupts
  [POWERPC] pseries: Print PCI slot location code on failure
  [POWERPC] spufs: one more fix for 64k pages
  [POWERPC] spufs: fail spu_create with invalid flags
  [POWERPC] spufs: clear class2 interrupt status before wakeup
  [POWERPC] spufs: fix Makefile for "make clean"
  [POWERPC] spufs: remove stop_code from struct spu
  [POWERPC] spufs: fix spu irq affinity setting
  [POWERPC] spufs: further abstract priv1 register access
  [POWERPC] spufs: split the Cell BE support into generic and platform dependant parts
  [POWERPC] spufs: dont try to access SPE channel 1 count
  [POWERPC] spufs: use kzalloc in create_spu
  [POWERPC] spufs: fix initial state of wbox file
  ...

Manually resolved conflicts in:
	drivers/net/phy/Makefile
	include/asm-powerpc/spu.h

1 files changed, 10 insertions, 6 deletions

diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c
index c2db642f4cd..6e75d7ab6d4 100644
--- a/arch/powerpc/kernel/signal_64.c
+++ b/arch/powerpc/kernel/signal_64.c
@@ -141,9 +141,7 @@ static long restore_sigcontext(struct pt_regs *regs, sigset_t *set, int sig,
 	unsigned long err = 0;
 	unsigned long save_r13 = 0;
 	elf_greg_t *gregs = (elf_greg_t *)regs;
-#ifdef CONFIG_ALTIVEC
 	unsigned long msr;
-#endif
 	int i;
 
 	/* If this is not a signal return, we preserve the TLS in r13 */
@@ -154,7 +152,12 @@ static long restore_sigcontext(struct pt_regs *regs, sigset_t *set, int sig,
 	err |= __copy_from_user(regs, &sc->gp_regs,
 				PT_MSR*sizeof(unsigned long));
 
-	/* skip MSR and SOFTE */
+	/* get MSR separately, transfer the LE bit if doing signal return */
+	err |= __get_user(msr, &sc->gp_regs[PT_MSR]);
+	if (sig)
+		regs->msr = (regs->msr & ~MSR_LE) | (msr & MSR_LE);
+
+	/* skip SOFTE */
 	for (i = PT_MSR+1; i <= PT_RESULT; i++) {
 		if (i == PT_SOFTE)
 			continue;
@@ -179,7 +182,6 @@ static long restore_sigcontext(struct pt_regs *regs, sigset_t *set, int sig,
 
 #ifdef CONFIG_ALTIVEC
 	err |= __get_user(v_regs, &sc->v_regs);
-	err |= __get_user(msr, &sc->gp_regs[PT_MSR]);
 	if (err)
 		return err;
 	if (v_regs && !access_ok(VERIFY_READ, v_regs, 34 * sizeof(vector128)))
@@ -396,8 +398,8 @@ static int setup_rt_frame(int signr, struct k_sigaction *ka, siginfo_t *info,
 	current->thread.fpscr.val = 0;
 
 	/* Set up to return from userspace. */
-	if (vdso64_rt_sigtramp && current->thread.vdso_base) {
-		regs->link = current->thread.vdso_base + vdso64_rt_sigtramp;
+	if (vdso64_rt_sigtramp && current->mm->context.vdso_base) {
+		regs->link = current->mm->context.vdso_base + vdso64_rt_sigtramp;
 	} else {
 		err |= setup_trampoline(__NR_rt_sigreturn, &frame->tramp[0]);
 		if (err)
@@ -412,6 +414,8 @@ static int setup_rt_frame(int signr, struct k_sigaction *ka, siginfo_t *info,
 
 	/* Set up "regs" so we "return" to the signal handler. */
 	err |= get_user(regs->nip, &funct_desc_ptr->entry);
+	/* enter the signal handler in big-endian mode */
+	regs->msr &= ~MSR_LE;
 	regs->gpr[1] = newsp;
 	err |= get_user(regs->gpr[2], &funct_desc_ptr->toc);
 	regs->gpr[3] = signr;