Merge tag 'v3.9-rc3' into drm-intel-next-queued

Backmerge so that I can merge Imre Deak's coalesced sg entries fixes,
which depend upon the new for_each_sg_page introduce in

commit a321e91b6d73ed011ffceed384c40d2785cf723b
Author: Imre Deak <imre.deak@intel.com>
Date:   Wed Feb 27 17:02:56 2013 -0800

    lib/scatterlist: add simple page iterator

The merge itself is just two trivial conflicts:

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

1 files changed, 5 insertions, 17 deletions

diff --git a/arch/parisc/kernel/signal.c b/arch/parisc/kernel/signal.c
index fd051705a40..940188d1942 100644
--- a/arch/parisc/kernel/signal.c
+++ b/arch/parisc/kernel/signal.c
@@ -143,7 +143,7 @@ sys_rt_sigreturn(struct pt_regs *regs, int in_syscall)
 			goto give_sigsegv;
 		DBG(1,"sys_rt_sigreturn: usp %#08lx stack 0x%p\n", 
 				usp, &compat_frame->uc.uc_stack);
-		if (do_sigaltstack32(&compat_frame->uc.uc_stack, NULL, usp) == -EFAULT)
+		if (compat_restore_altstack(&compat_frame->uc.uc_stack))
 			goto give_sigsegv;
 	} else
 #endif
@@ -154,7 +154,7 @@ sys_rt_sigreturn(struct pt_regs *regs, int in_syscall)
 			goto give_sigsegv;
 		DBG(1,"sys_rt_sigreturn: usp %#08lx stack 0x%p\n", 
 				usp, &frame->uc.uc_stack);
-		if (do_sigaltstack(&frame->uc.uc_stack, NULL, usp) == -EFAULT)
+		if (restore_altstack(&frame->uc.uc_stack))
 			goto give_sigsegv;
 	}
 		
@@ -242,7 +242,6 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
 	unsigned long haddr, sigframe_size;
 	int err = 0;
 #ifdef CONFIG_64BIT
-	compat_int_t compat_val;
 	struct compat_rt_sigframe __user * compat_frame;
 	compat_sigset_t compat_set;
 #endif
@@ -262,15 +261,7 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
 	if (is_compat_task()) {
 		DBG(1,"setup_rt_frame: frame->info = 0x%p\n", &compat_frame->info);
 		err |= copy_siginfo_to_user32(&compat_frame->info, info);
-		DBG(1,"SETUP_RT_FRAME: 1\n");
-		compat_val = (compat_int_t)current->sas_ss_sp;
-		err |= __put_user(compat_val, &compat_frame->uc.uc_stack.ss_sp);
-		DBG(1,"SETUP_RT_FRAME: 2\n");
-		compat_val = (compat_int_t)current->sas_ss_size;
-		err |= __put_user(compat_val, &compat_frame->uc.uc_stack.ss_size);
-		DBG(1,"SETUP_RT_FRAME: 3\n");
-		compat_val = sas_ss_flags(regs->gr[30]);		
-		err |= __put_user(compat_val, &compat_frame->uc.uc_stack.ss_flags);		
+		err |= __compat_save_altstack( &compat_frame->uc.uc_stack, regs->gr[30]);
 		DBG(1,"setup_rt_frame: frame->uc = 0x%p\n", &compat_frame->uc);
 		DBG(1,"setup_rt_frame: frame->uc.uc_mcontext = 0x%p\n", &compat_frame->uc.uc_mcontext);
 		err |= setup_sigcontext32(&compat_frame->uc.uc_mcontext, 
@@ -282,10 +273,7 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
 	{	
 		DBG(1,"setup_rt_frame: frame->info = 0x%p\n", &frame->info);
 		err |= copy_siginfo_to_user(&frame->info, info);
-		err |= __put_user(current->sas_ss_sp, &frame->uc.uc_stack.ss_sp);
-		err |= __put_user(current->sas_ss_size, &frame->uc.uc_stack.ss_size);
-		err |= __put_user(sas_ss_flags(regs->gr[30]),
-				  &frame->uc.uc_stack.ss_flags);
+		err |= __save_altstack(&frame->uc.uc_stack, regs->gr[30]);
 		DBG(1,"setup_rt_frame: frame->uc = 0x%p\n", &frame->uc);
 		DBG(1,"setup_rt_frame: frame->uc.uc_mcontext = 0x%p\n", &frame->uc.uc_mcontext);
 		err |= setup_sigcontext(&frame->uc.uc_mcontext, regs, in_syscall);
@@ -312,7 +300,7 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
 #if DEBUG_SIG
 	/* Assert that we're flushing in the correct space... */
 	{
-		int sid;
+		unsigned long sid;
 		asm ("mfsp %%sr3,%0" : "=r" (sid));
 		DBG(1,"setup_rt_frame: Flushing 64 bytes at space %#x offset %p\n",
 		       sid, frame->tramp);