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Commit aca239b7 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6 

* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6:
  [IA64] run drivers/misc/sgi-xp through scripts/checkpatch.pl
  [IA64] run rest drivers/misc/sgi-xp through scripts/Lindent
  [IA64] run some drivers/misc/sgi-xp through scripts/Lindent
  [IA64] move XP and XPC to drivers/misc/sgi-xp
  [IA64] minor irq handler cleanups
  [IA64] simplify notify hooks in mca.c
  [IA64] do notify DIE_MCA_MONARCH_PROCESS for each monarchs
  [IA64] disable interrupts on exit of ia64_trace_syscall
parents 16abef0e 2c2b94f9

arch/ia64/Kconfig

+0 −11
Original line number Diff line number Diff line
@@ -266,17 +266,6 @@ config IOSAPIC 
	depends on !IA64_HP_SIM

	default y



config IA64_SGI_SN_XP

	tristate "Support communication between SGI SSIs"

	depends on IA64_GENERIC || IA64_SGI_SN2

	select IA64_UNCACHED_ALLOCATOR

	help

	  An SGI machine can be divided into multiple Single System

	  Images which act independently of each other and have

	  hardware based memory protection from the others.  Enabling

	  this feature will allow for direct communication between SSIs

	  based on a network adapter and DMA messaging.



config FORCE_MAX_ZONEORDER

	int "MAX_ORDER (11 - 17)"  if !HUGETLB_PAGE

	range 11 17  if !HUGETLB_PAGE

arch/ia64/kernel/crash.c

+2 −2
Original line number Diff line number Diff line
@@ -194,8 +194,8 @@ kdump_init_notifier(struct notifier_block *self, unsigned long val, void *data) 
			unw_init_running(kdump_cpu_freeze, NULL);

		break;

	case DIE_MCA_MONARCH_LEAVE:

		/* die_register->signr indicate if MCA is recoverable */

		if (kdump_on_fatal_mca && !args->signr) {

		/* *(nd->data) indicate if MCA is recoverable */

		if (kdump_on_fatal_mca && !(*(nd->data))) {

			atomic_set(&kdump_in_progress, 1);

			*(nd->monarch_cpu) = -1;

			machine_kdump_on_init();

arch/ia64/kernel/entry.S

+1 −0
Original line number Diff line number Diff line
@@ -570,6 +570,7 @@ GLOBAL_ENTRY(ia64_trace_syscall) 
	br.call.sptk.many rp=syscall_trace_leave // give parent a chance to catch return value

.ret3:

(pUStk)	cmp.eq.unc p6,p0=r0,r0			// p6 <- pUStk

(pUStk)	rsm psr.i				// disable interrupts

	br.cond.sptk .work_pending_syscall_end



strace_error:

arch/ia64/kernel/mca.c

+37 −40
Original line number Diff line number Diff line
@@ -109,6 +109,20 @@ 
# define IA64_MCA_DEBUG(fmt...)

#endif



#define NOTIFY_INIT(event, regs, arg, spin)				\

do {									\

	if ((notify_die((event), "INIT", (regs), (arg), 0, 0)		\

			== NOTIFY_STOP) && ((spin) == 1))		\

		ia64_mca_spin(__func__);				\

} while (0)



#define NOTIFY_MCA(event, regs, arg, spin)				\

do {									\

	if ((notify_die((event), "MCA", (regs), (arg), 0, 0)		\

			== NOTIFY_STOP) && ((spin) == 1))		\

		ia64_mca_spin(__func__);				\

} while (0)



/* Used by mca_asm.S */

DEFINE_PER_CPU(u64, ia64_mca_data); /* == __per_cpu_mca[smp_processor_id()] */

DEFINE_PER_CPU(u64, ia64_mca_per_cpu_pte); /* PTE to map per-CPU area */
@@ -766,9 +780,8 @@ ia64_mca_rendez_int_handler(int rendez_irq, void *arg) 


	/* Mask all interrupts */

	local_irq_save(flags);

	if (notify_die(DIE_MCA_RENDZVOUS_ENTER, "MCA", get_irq_regs(),

		       (long)&nd, 0, 0) == NOTIFY_STOP)

		ia64_mca_spin(__func__);



	NOTIFY_MCA(DIE_MCA_RENDZVOUS_ENTER, get_irq_regs(), (long)&nd, 1);



	ia64_mc_info.imi_rendez_checkin[cpu] = IA64_MCA_RENDEZ_CHECKIN_DONE;

	/* Register with the SAL monarch that the slave has
@@ -776,17 +789,13 @@ ia64_mca_rendez_int_handler(int rendez_irq, void *arg) 
	 */

	ia64_sal_mc_rendez();



	if (notify_die(DIE_MCA_RENDZVOUS_PROCESS, "MCA", get_irq_regs(),

		       (long)&nd, 0, 0) == NOTIFY_STOP)

		ia64_mca_spin(__func__);

	NOTIFY_MCA(DIE_MCA_RENDZVOUS_PROCESS, get_irq_regs(), (long)&nd, 1);



	/* Wait for the monarch cpu to exit. */

	while (monarch_cpu != -1)

	       cpu_relax();	/* spin until monarch leaves */



	if (notify_die(DIE_MCA_RENDZVOUS_LEAVE, "MCA", get_irq_regs(),

		       (long)&nd, 0, 0) == NOTIFY_STOP)

		ia64_mca_spin(__func__);

	NOTIFY_MCA(DIE_MCA_RENDZVOUS_LEAVE, get_irq_regs(), (long)&nd, 1);



	ia64_mc_info.imi_rendez_checkin[cpu] = IA64_MCA_RENDEZ_CHECKIN_NOTDONE;

	/* Enable all interrupts */
@@ -1256,7 +1265,7 @@ ia64_mca_handler(struct pt_regs *regs, struct switch_stack *sw, 
	int recover, cpu = smp_processor_id();

	struct task_struct *previous_current;

	struct ia64_mca_notify_die nd =

		{ .sos = sos, .monarch_cpu = &monarch_cpu };

		{ .sos = sos, .monarch_cpu = &monarch_cpu, .data = &recover };

	static atomic_t mca_count;

	static cpumask_t mca_cpu;
@@ -1272,9 +1281,7 @@ ia64_mca_handler(struct pt_regs *regs, struct switch_stack *sw, 


	previous_current = ia64_mca_modify_original_stack(regs, sw, sos, "MCA");



	if (notify_die(DIE_MCA_MONARCH_ENTER, "MCA", regs, (long)&nd, 0, 0)

			== NOTIFY_STOP)

		ia64_mca_spin(__func__);

	NOTIFY_MCA(DIE_MCA_MONARCH_ENTER, regs, (long)&nd, 1);



	ia64_mc_info.imi_rendez_checkin[cpu] = IA64_MCA_RENDEZ_CHECKIN_CONCURRENT_MCA;

	if (sos->monarch) {
@@ -1288,14 +1295,13 @@ ia64_mca_handler(struct pt_regs *regs, struct switch_stack *sw, 
		 * does not work.

		 */

		ia64_mca_wakeup_all();

		if (notify_die(DIE_MCA_MONARCH_PROCESS, "MCA", regs, (long)&nd, 0, 0)

				== NOTIFY_STOP)

			ia64_mca_spin(__func__);

	} else {

		while (cpu_isset(cpu, mca_cpu))

			cpu_relax();	/* spin until monarch wakes us */

	}



	NOTIFY_MCA(DIE_MCA_MONARCH_PROCESS, regs, (long)&nd, 1);



	/* Get the MCA error record and log it */

	ia64_mca_log_sal_error_record(SAL_INFO_TYPE_MCA);
@@ -1320,9 +1326,7 @@ ia64_mca_handler(struct pt_regs *regs, struct switch_stack *sw, 
		mca_insert_tr(0x2); /*Reload dynamic itrs*/

	}



	if (notify_die(DIE_MCA_MONARCH_LEAVE, "MCA", regs, (long)&nd, 0, recover)

			== NOTIFY_STOP)

		ia64_mca_spin(__func__);

	NOTIFY_MCA(DIE_MCA_MONARCH_LEAVE, regs, (long)&nd, 1);



	if (atomic_dec_return(&mca_count) > 0) {

		int i;
@@ -1643,7 +1647,7 @@ ia64_init_handler(struct pt_regs *regs, struct switch_stack *sw, 
	struct ia64_mca_notify_die nd =

		{ .sos = sos, .monarch_cpu = &monarch_cpu };



	(void) notify_die(DIE_INIT_ENTER, "INIT", regs, (long)&nd, 0, 0);

	NOTIFY_INIT(DIE_INIT_ENTER, regs, (long)&nd, 0);



	mprintk(KERN_INFO "Entered OS INIT handler. PSP=%lx cpu=%d monarch=%ld\n",

		sos->proc_state_param, cpu, sos->monarch);
@@ -1680,17 +1684,15 @@ ia64_init_handler(struct pt_regs *regs, struct switch_stack *sw, 
		ia64_mc_info.imi_rendez_checkin[cpu] = IA64_MCA_RENDEZ_CHECKIN_INIT;

		while (monarch_cpu == -1)

		       cpu_relax();	/* spin until monarch enters */

		if (notify_die(DIE_INIT_SLAVE_ENTER, "INIT", regs, (long)&nd, 0, 0)

				== NOTIFY_STOP)

			ia64_mca_spin(__func__);

		if (notify_die(DIE_INIT_SLAVE_PROCESS, "INIT", regs, (long)&nd, 0, 0)

				== NOTIFY_STOP)

			ia64_mca_spin(__func__);



		NOTIFY_INIT(DIE_INIT_SLAVE_ENTER, regs, (long)&nd, 1);

		NOTIFY_INIT(DIE_INIT_SLAVE_PROCESS, regs, (long)&nd, 1);



		while (monarch_cpu != -1)

		       cpu_relax();	/* spin until monarch leaves */

		if (notify_die(DIE_INIT_SLAVE_LEAVE, "INIT", regs, (long)&nd, 0, 0)

				== NOTIFY_STOP)

			ia64_mca_spin(__func__);



		NOTIFY_INIT(DIE_INIT_SLAVE_LEAVE, regs, (long)&nd, 1);



		mprintk("Slave on cpu %d returning to normal service.\n", cpu);

		set_curr_task(cpu, previous_current);

		ia64_mc_info.imi_rendez_checkin[cpu] = IA64_MCA_RENDEZ_CHECKIN_NOTDONE;
@@ -1699,9 +1701,7 @@ ia64_init_handler(struct pt_regs *regs, struct switch_stack *sw, 
	}



	monarch_cpu = cpu;

	if (notify_die(DIE_INIT_MONARCH_ENTER, "INIT", regs, (long)&nd, 0, 0)

			== NOTIFY_STOP)

		ia64_mca_spin(__func__);

	NOTIFY_INIT(DIE_INIT_MONARCH_ENTER, regs, (long)&nd, 1);



	/*

	 * Wait for a bit.  On some machines (e.g., HP's zx2000 and zx6000, INIT can be
@@ -1716,12 +1716,9 @@ ia64_init_handler(struct pt_regs *regs, struct switch_stack *sw, 
	 * to default_monarch_init_process() above and just print all the

	 * tasks.

	 */

	if (notify_die(DIE_INIT_MONARCH_PROCESS, "INIT", regs, (long)&nd, 0, 0)

			== NOTIFY_STOP)

		ia64_mca_spin(__func__);

	if (notify_die(DIE_INIT_MONARCH_LEAVE, "INIT", regs, (long)&nd, 0, 0)

			== NOTIFY_STOP)

		ia64_mca_spin(__func__);

	NOTIFY_INIT(DIE_INIT_MONARCH_PROCESS, regs, (long)&nd, 1);

	NOTIFY_INIT(DIE_INIT_MONARCH_LEAVE, regs, (long)&nd, 1);



	mprintk("\nINIT dump complete.  Monarch on cpu %d returning to normal service.\n", cpu);

	atomic_dec(&monarchs);

	set_curr_task(cpu, previous_current);
@@ -1953,7 +1950,7 @@ ia64_mca_init(void) 
			printk(KERN_INFO "Increasing MCA rendezvous timeout from "

				"%ld to %ld milliseconds\n", timeout, isrv.v0);

			timeout = isrv.v0;

			(void) notify_die(DIE_MCA_NEW_TIMEOUT, "MCA", NULL, timeout, 0, 0);

			NOTIFY_MCA(DIE_MCA_NEW_TIMEOUT, NULL, timeout, 0);

			continue;

		}

		printk(KERN_ERR "Failed to register rendezvous interrupt "

arch/ia64/kernel/perfmon.c

+2 −2
Original line number Diff line number Diff line
@@ -5511,7 +5511,7 @@ stop_monitoring: 
}



static int

pfm_do_interrupt_handler(int irq, void *arg, struct pt_regs *regs)

pfm_do_interrupt_handler(void *arg, struct pt_regs *regs)

{

	struct task_struct *task;

	pfm_context_t *ctx;
@@ -5591,7 +5591,7 @@ pfm_interrupt_handler(int irq, void *arg) 


		start_cycles = ia64_get_itc();



		ret = pfm_do_interrupt_handler(irq, arg, regs);

		ret = pfm_do_interrupt_handler(arg, regs);



		total_cycles = ia64_get_itc();