Merge kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6.git

Do arch/ia64/defconfig by hand.

5 files changed, 24 insertions, 13 deletions

diff --git a/arch/ia64/kernel/entry.h b/arch/ia64/kernel/entry.h
index 6d4ecec989b..78eeb079341 100644
--- a/arch/ia64/kernel/entry.h
+++ b/arch/ia64/kernel/entry.h
@@ -60,7 +60,7 @@
 	.spillsp @priunat,SW(AR_UNAT)+16+(off);					\
 	.spillsp ar.rnat,SW(AR_RNAT)+16+(off);					\
 	.spillsp ar.bspstore,SW(AR_BSPSTORE)+16+(off);				\
-	.spillsp pr,SW(PR)+16+(off))
+	.spillsp pr,SW(PR)+16+(off)
 
 #define DO_SAVE_SWITCH_STACK			\
 	movl r28=1f;				\
diff --git a/arch/ia64/kernel/ivt.S b/arch/ia64/kernel/ivt.S
index d9c05d53435..2bc085a73e3 100644
--- a/arch/ia64/kernel/ivt.S
+++ b/arch/ia64/kernel/ivt.S
@@ -405,17 +405,22 @@ ENTRY(nested_dtlb_miss)
 	 *		r30:	continuation address
 	 *		r31:	saved pr
 	 *
-	 * Clobbered:	b0, r18, r19, r21, psr.dt (cleared)
+	 * Clobbered:	b0, r18, r19, r21, r22, psr.dt (cleared)
 	 */
 	rsm psr.dt				// switch to using physical data addressing
 	mov r19=IA64_KR(PT_BASE)		// get the page table base address
 	shl r21=r16,3				// shift bit 60 into sign bit
+	mov r18=cr.itir
 	;;
 	shr.u r17=r16,61			// get the region number into r17
+	extr.u r18=r18,2,6			// get the faulting page size
 	;;
 	cmp.eq p6,p7=5,r17			// is faulting address in region 5?
-	shr.u r18=r16,PGDIR_SHIFT		// get bits 33-63 of faulting address
+	add r22=-PAGE_SHIFT,r18			// adjustment for hugetlb address
+	add r18=PGDIR_SHIFT-PAGE_SHIFT,r18
 	;;
+	shr.u r22=r16,r22
+	shr.u r18=r16,r18
 (p7)	dep r17=r17,r19,(PAGE_SHIFT-3),3	// put region number bits in place
 
 	srlz.d
@@ -428,7 +433,7 @@ ENTRY(nested_dtlb_miss)
 (p6)	dep r17=r18,r19,3,(PAGE_SHIFT-3)	// r17=PTA + IFA(33,42)*8
 (p7)	dep r17=r18,r17,3,(PAGE_SHIFT-6)	// r17=PTA + (((IFA(61,63) << 7) | IFA(33,39))*8)
 	cmp.eq p7,p6=0,r21			// unused address bits all zeroes?
-	shr.u r18=r16,PMD_SHIFT			// shift L2 index into position
+	shr.u r18=r22,PMD_SHIFT			// shift L2 index into position
 	;;
 	ld8 r17=[r17]				// fetch the L1 entry (may be 0)
 	;;
@@ -436,7 +441,7 @@ ENTRY(nested_dtlb_miss)
 	dep r17=r18,r17,3,(PAGE_SHIFT-3)	// compute address of L2 page table entry
 	;;
 (p7)	ld8 r17=[r17]				// fetch the L2 entry (may be 0)
-	shr.u r19=r16,PAGE_SHIFT		// shift L3 index into position
+	shr.u r19=r22,PAGE_SHIFT		// shift L3 index into position
 	;;
 (p7)	cmp.eq.or.andcm p6,p7=r17,r0		// was L2 entry NULL?
 	dep r17=r19,r17,3,(PAGE_SHIFT-3)	// compute address of L3 page table entry
diff --git a/arch/ia64/kernel/ptrace.c b/arch/ia64/kernel/ptrace.c
index 575a8f657b3..6d57aebad48 100644
--- a/arch/ia64/kernel/ptrace.c
+++ b/arch/ia64/kernel/ptrace.c
@@ -945,6 +945,13 @@ access_uarea (struct task_struct *child, unsigned long addr,
 				*data = (pt->cr_ipsr & IPSR_MASK);
 			return 0;
 
+		      case PT_AR_RSC:
+			if (write_access)
+				pt->ar_rsc = *data | (3 << 2); /* force PL3 */
+			else
+				*data = pt->ar_rsc;
+			return 0;
+
 		      case PT_AR_RNAT:
 			urbs_end = ia64_get_user_rbs_end(child, pt, NULL);
 			rnat_addr = (long) ia64_rse_rnat_addr((long *)
@@ -996,9 +1003,6 @@ access_uarea (struct task_struct *child, unsigned long addr,
 		      case PT_AR_BSPSTORE:
 			ptr = pt_reg_addr(pt, ar_bspstore);
 			break;
-		      case PT_AR_RSC:
-			ptr = pt_reg_addr(pt, ar_rsc);
-			break;
 		      case PT_AR_UNAT:
 			ptr = pt_reg_addr(pt, ar_unat);
 			break;
@@ -1234,7 +1238,7 @@ ptrace_getregs (struct task_struct *child, struct pt_all_user_regs __user *ppr)
 static long
 ptrace_setregs (struct task_struct *child, struct pt_all_user_regs __user *ppr)
 {
-	unsigned long psr, ec, lc, rnat, bsp, cfm, nat_bits, val = 0;
+	unsigned long psr, rsc, ec, lc, rnat, bsp, cfm, nat_bits, val = 0;
 	struct unw_frame_info info;
 	struct switch_stack *sw;
 	struct ia64_fpreg fpval;
@@ -1267,7 +1271,7 @@ ptrace_setregs (struct task_struct *child, struct pt_all_user_regs __user *ppr)
 	/* app regs */
 
 	retval |= __get_user(pt->ar_pfs, &ppr->ar[PT_AUR_PFS]);
-	retval |= __get_user(pt->ar_rsc, &ppr->ar[PT_AUR_RSC]);
+	retval |= __get_user(rsc, &ppr->ar[PT_AUR_RSC]);
 	retval |= __get_user(pt->ar_bspstore, &ppr->ar[PT_AUR_BSPSTORE]);
 	retval |= __get_user(pt->ar_unat, &ppr->ar[PT_AUR_UNAT]);
 	retval |= __get_user(pt->ar_ccv, &ppr->ar[PT_AUR_CCV]);
@@ -1365,6 +1369,7 @@ ptrace_setregs (struct task_struct *child, struct pt_all_user_regs __user *ppr)
 	retval |= __get_user(nat_bits, &ppr->nat);
 
 	retval |= access_uarea(child, PT_CR_IPSR, &psr, 1);
+	retval |= access_uarea(child, PT_AR_RSC, &rsc, 1);
 	retval |= access_uarea(child, PT_AR_EC, &ec, 1);
 	retval |= access_uarea(child, PT_AR_LC, &lc, 1);
 	retval |= access_uarea(child, PT_AR_RNAT, &rnat, 1);
diff --git a/arch/ia64/kernel/signal.c b/arch/ia64/kernel/signal.c
index 499b7e5317c..edd9f07860b 100644
--- a/arch/ia64/kernel/signal.c
+++ b/arch/ia64/kernel/signal.c
@@ -94,7 +94,7 @@ sys_sigaltstack (const stack_t __user *uss, stack_t __user *uoss, long arg2,
 static long
 restore_sigcontext (struct sigcontext __user *sc, struct sigscratch *scr)
 {
-	unsigned long ip, flags, nat, um, cfm;
+	unsigned long ip, flags, nat, um, cfm, rsc;
 	long err;
 
 	/* Always make any pending restarted system calls return -EINTR */
@@ -106,7 +106,7 @@ restore_sigcontext (struct sigcontext __user *sc, struct sigscratch *scr)
 	err |= __get_user(ip, &sc->sc_ip);			/* instruction pointer */
 	err |= __get_user(cfm, &sc->sc_cfm);
 	err |= __get_user(um, &sc->sc_um);			/* user mask */
-	err |= __get_user(scr->pt.ar_rsc, &sc->sc_ar_rsc);
+	err |= __get_user(rsc, &sc->sc_ar_rsc);
 	err |= __get_user(scr->pt.ar_unat, &sc->sc_ar_unat);
 	err |= __get_user(scr->pt.ar_fpsr, &sc->sc_ar_fpsr);
 	err |= __get_user(scr->pt.ar_pfs, &sc->sc_ar_pfs);
@@ -119,6 +119,7 @@ restore_sigcontext (struct sigcontext __user *sc, struct sigscratch *scr)
 	err |= __copy_from_user(&scr->pt.r15, &sc->sc_gr[15], 8);	/* r15 */
 
 	scr->pt.cr_ifs = cfm | (1UL << 63);
+	scr->pt.ar_rsc = rsc | (3 << 2); /* force PL3 */
 
 	/* establish new instruction pointer: */
 	scr->pt.cr_iip = ip & ~0x3UL;
diff --git a/arch/ia64/kernel/smp.c b/arch/ia64/kernel/smp.c
index 953095e2ce1..b49d4ddaab9 100644
--- a/arch/ia64/kernel/smp.c
+++ b/arch/ia64/kernel/smp.c
@@ -269,7 +269,7 @@ smp_call_function_single (int cpuid, void (*func) (void *info), void *info, int
 	int me = get_cpu(); /* prevent preemption and reschedule on another processor */
 
 	if (cpuid == me) {
-		printk("%s: trying to call self\n", __FUNCTION__);
+		printk(KERN_INFO "%s: trying to call self\n", __FUNCTION__);
 		put_cpu();
 		return -EBUSY;
 	}