Update the ia64 linux-2.6-xen-sparse tree to 2.6.16-rc3.

Signed-off-by: Alex Williamson <alex.williamson@hp.com>

buildconfigs/linux-defconfig_xen0_ia64

@@ -1,14 +1,13 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.16-rc2-xen0
-# Mon Feb  6 02:48:43 2006
+# Linux kernel version: 2.6.16-rc3-xen0
+# Thu Feb 16 13:20:46 2006
 #
 
 #
 # Code maturity level options
 #
 CONFIG_EXPERIMENTAL=y
-CONFIG_CLEAN_COMPILE=y
 CONFIG_LOCK_KERNEL=y
 CONFIG_INIT_ENV_ARG_LIMIT=32
 
@@ -212,6 +211,7 @@ CONFIG_NET=y
 #
 # Networking options
 #
+# CONFIG_NETDEBUG is not set
 CONFIG_PACKET=y
 # CONFIG_PACKET_MMAP is not set
 CONFIG_UNIX=y
@@ -359,6 +359,7 @@ CONFIG_BLK_DEV_INITRD=y
 # ATA/ATAPI/MFM/RLL support
 #
 CONFIG_IDE=y
+CONFIG_IDE_MAX_HWIFS=4
 CONFIG_BLK_DEV_IDE=y
 
 #
@@ -739,6 +740,7 @@ CONFIG_SERIAL_8250_SHARE_IRQ=y
 #
 CONFIG_SERIAL_CORE=y
 CONFIG_SERIAL_CORE_CONSOLE=y
+# CONFIG_SERIAL_JSM is not set
 CONFIG_UNIX98_PTYS=y
 CONFIG_LEGACY_PTYS=y
 CONFIG_LEGACY_PTY_COUNT=256
@@ -860,6 +862,7 @@ CONFIG_HWMON=y
 # CONFIG_SENSORS_ASB100 is not set
 # CONFIG_SENSORS_ATXP1 is not set
 # CONFIG_SENSORS_DS1621 is not set
+# CONFIG_SENSORS_F71805F is not set
 # CONFIG_SENSORS_FSCHER is not set
 # CONFIG_SENSORS_FSCPOS is not set
 # CONFIG_SENSORS_GL518SM is not set

buildconfigs/linux-defconfig_xenU_ia64

@@ -1,16 +1,13 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.16-rc2-xenU
-# Mon Feb  6 03:35:30 2006
+# Linux kernel version: 2.6.16-rc3-xenU
+# Thu Feb 16 13:47:59 2006
 #
 
 #
 # Code maturity level options
 #
 CONFIG_EXPERIMENTAL=y
-# CONFIG_CLEAN_COMPILE is not set
-CONFIG_BROKEN=y
-CONFIG_BROKEN_ON_SMP=y
 CONFIG_LOCK_KERNEL=y
 CONFIG_INIT_ENV_ARG_LIMIT=32
 
@@ -211,6 +208,7 @@ CONFIG_NET=y
 #
 # Networking options
 #
+# CONFIG_NETDEBUG is not set
 CONFIG_PACKET=y
 # CONFIG_PACKET_MMAP is not set
 CONFIG_UNIX=y
@@ -397,13 +395,11 @@ CONFIG_SCSI_SAS_ATTRS=y
 # CONFIG_SCSI_AIC7XXX is not set
 # CONFIG_SCSI_AIC7XXX_OLD is not set
 # CONFIG_SCSI_AIC79XX is not set
-# CONFIG_SCSI_ADVANSYS is not set
 # CONFIG_MEGARAID_NEWGEN is not set
 # CONFIG_MEGARAID_LEGACY is not set
 # CONFIG_MEGARAID_SAS is not set
 # CONFIG_SCSI_SATA is not set
 # CONFIG_SCSI_DMX3191D is not set
-# CONFIG_SCSI_EATA_PIO is not set
 # CONFIG_SCSI_FUTURE_DOMAIN is not set
 # CONFIG_SCSI_IPS is not set
 # CONFIG_SCSI_INITIO is not set
@@ -752,6 +748,7 @@ CONFIG_HWMON=y
 # CONFIG_SENSORS_ASB100 is not set
 # CONFIG_SENSORS_ATXP1 is not set
 # CONFIG_SENSORS_DS1621 is not set
+# CONFIG_SENSORS_F71805F is not set
 # CONFIG_SENSORS_FSCHER is not set
 # CONFIG_SENSORS_FSCPOS is not set
 # CONFIG_SENSORS_GL518SM is not set
@@ -809,7 +806,6 @@ CONFIG_VIDEO_DEV=y
 # CONFIG_TUNER_3036 is not set
 # CONFIG_VIDEO_STRADIS is not set
 # CONFIG_VIDEO_ZORAN is not set
-# CONFIG_VIDEO_ZR36120 is not set
 # CONFIG_VIDEO_SAA7134 is not set
 # CONFIG_VIDEO_MXB is not set
 # CONFIG_VIDEO_DPC is not set
@@ -865,7 +861,6 @@ CONFIG_FB_RADEON_DEBUG=y
 # CONFIG_FB_3DFX is not set
 # CONFIG_FB_VOODOO1 is not set
 # CONFIG_FB_TRIDENT is not set
-# CONFIG_FB_PM3 is not set
 # CONFIG_FB_VIRTUAL is not set
 
 #

linux-2.6-xen-sparse/arch/ia64/Kconfig

@@ -236,7 +236,6 @@ config IA64_L1_CACHE_SHIFT
 	default "7" if MCKINLEY
 	default "6" if ITANIUM
 
-# align cache-sensitive data to 64 bytes
 config IA64_CYCLONE
 	bool "Cyclone (EXA) Time Source support"
 	help
@@ -416,6 +415,9 @@ config IA64_PALINFO
 	  To use this option, you have to ensure that the "/proc file system
 	  support" (CONFIG_PROC_FS) is enabled, too.
 
+config SGI_SN
+	def_bool y if (IA64_SGI_SN2 || IA64_GENERIC)
+
 source "drivers/firmware/Kconfig"
 
 source "fs/Kconfig.binfmt"

linux-2.6-xen-sparse/arch/ia64/Makefile

@@ -74,6 +74,8 @@ all: compressed unwcheck
 
 compressed: vmlinux.gz
 
+vmlinuz: vmlinux.gz
+
 vmlinux.gz: vmlinux
 	$(Q)$(MAKE) $(build)=$(boot) $@
 
@@ -88,7 +90,7 @@ CLEAN_FILES += vmlinux.gz bootloader
 boot:	lib/lib.a vmlinux
 	$(Q)$(MAKE) $(build)=$(boot) $@
 
-install: vmlinux.gz
+install:
 	sh $(srctree)/arch/ia64/install.sh $(KERNELRELEASE) $< System.map "$(INSTALL_PATH)"
 
 define archhelp

linux-2.6-xen-sparse/arch/ia64/kernel/entry.S

@@ -1607,5 +1607,21 @@ sys_call_table:
 	data8 sys_inotify_add_watch
 	data8 sys_inotify_rm_watch
 	data8 sys_migrate_pages			// 1280
+	data8 sys_openat
+	data8 sys_mkdirat
+	data8 sys_mknodat
+	data8 sys_fchownat
+	data8 sys_futimesat			// 1285
+	data8 sys_newfstatat
+	data8 sys_unlinkat
+	data8 sys_renameat
+	data8 sys_linkat
+	data8 sys_symlinkat			// 1290
+	data8 sys_readlinkat
+	data8 sys_fchmodat
+	data8 sys_faccessat
+	data8 sys_ni_syscall			// reserved for pselect
+	data8 sys_ni_syscall			// 1295 reserved for ppoll
+	data8 sys_unshare
 
 	.org sys_call_table + 8*NR_syscalls	// guard against failures to increase NR_syscalls

linux-2.6-xen-sparse/arch/ia64/kernel/head.S

@@ -352,6 +352,7 @@ start_ap:
 	mov ar.rsc=0		// place RSE in enforced lazy mode
 	;;
 	loadrs			// clear the dirty partition
+	mov IA64_KR(PER_CPU_DATA)=r0	// clear physical per-CPU base
 	;;
 	mov ar.bspstore=r2	// establish the new RSE stack
 	;;

linux-2.6-xen-sparse/arch/ia64/kernel/sal.c

@@ -0,0 +1,378 @@
+/*
+ * System Abstraction Layer (SAL) interface routines.
+ *
+ * Copyright (C) 1998, 1999, 2001, 2003 Hewlett-Packard Co
+ *	David Mosberger-Tang <davidm@hpl.hp.com>
+ * Copyright (C) 1999 VA Linux Systems
+ * Copyright (C) 1999 Walt Drummond <drummond@valinux.com>
+ */
+#include <linux/config.h>
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/spinlock.h>
+#include <linux/string.h>
+
+#include <asm/delay.h>
+#include <asm/page.h>
+#include <asm/sal.h>
+#include <asm/pal.h>
+
+ __cacheline_aligned DEFINE_SPINLOCK(sal_lock);
+unsigned long sal_platform_features;
+
+unsigned short sal_revision;
+unsigned short sal_version;
+
+#define SAL_MAJOR(x) ((x) >> 8)
+#define SAL_MINOR(x) ((x) & 0xff)
+
+static struct {
+	void *addr;	/* function entry point */
+	void *gpval;	/* gp value to use */
+} pdesc;
+
+static long
+default_handler (void)
+{
+	return -1;
+}
+
+ia64_sal_handler ia64_sal = (ia64_sal_handler) default_handler;
+ia64_sal_desc_ptc_t *ia64_ptc_domain_info;
+
+const char *
+ia64_sal_strerror (long status)
+{
+	const char *str;
+	switch (status) {
+	      case 0: str = "Call completed without error"; break;
+	      case 1: str = "Effect a warm boot of the system to complete "
+			      "the update"; break;
+	      case -1: str = "Not implemented"; break;
+	      case -2: str = "Invalid argument"; break;
+	      case -3: str = "Call completed with error"; break;
+	      case -4: str = "Virtual address not registered"; break;
+	      case -5: str = "No information available"; break;
+	      case -6: str = "Insufficient space to add the entry"; break;
+	      case -7: str = "Invalid entry_addr value"; break;
+	      case -8: str = "Invalid interrupt vector"; break;
+	      case -9: str = "Requested memory not available"; break;
+	      case -10: str = "Unable to write to the NVM device"; break;
+	      case -11: str = "Invalid partition type specified"; break;
+	      case -12: str = "Invalid NVM_Object id specified"; break;
+	      case -13: str = "NVM_Object already has the maximum number "
+				"of partitions"; break;
+	      case -14: str = "Insufficient space in partition for the "
+				"requested write sub-function"; break;
+	      case -15: str = "Insufficient data buffer space for the "
+				"requested read record sub-function"; break;
+	      case -16: str = "Scratch buffer required for the write/delete "
+				"sub-function"; break;
+	      case -17: str = "Insufficient space in the NVM_Object for the "
+				"requested create sub-function"; break;
+	      case -18: str = "Invalid value specified in the partition_rec "
+				"argument"; break;
+	      case -19: str = "Record oriented I/O not supported for this "
+				"partition"; break;
+	      case -20: str = "Bad format of record to be written or "
+				"required keyword variable not "
+				"specified"; break;
+	      default: str = "Unknown SAL status code"; break;
+	}
+	return str;
+}
+
+void __init
+ia64_sal_handler_init (void *entry_point, void *gpval)
+{
+	/* fill in the SAL procedure descriptor and point ia64_sal to it: */
+	pdesc.addr = entry_point;
+	pdesc.gpval = gpval;
+	ia64_sal = (ia64_sal_handler) &pdesc;
+}
+
+static void __init
+check_versions (struct ia64_sal_systab *systab)
+{
+	sal_revision = (systab->sal_rev_major << 8) | systab->sal_rev_minor;
+	sal_version = (systab->sal_b_rev_major << 8) | systab->sal_b_rev_minor;
+
+	/* Check for broken firmware */
+	if ((sal_revision == SAL_VERSION_CODE(49, 29))
+	    && (sal_version == SAL_VERSION_CODE(49, 29)))
+	{
+		/*
+		 * Old firmware for zx2000 prototypes have this weird version number,
+		 * reset it to something sane.
+		 */
+		sal_revision = SAL_VERSION_CODE(2, 8);
+		sal_version = SAL_VERSION_CODE(0, 0);
+	}
+}
+
+static void __init
+sal_desc_entry_point (void *p)
+{
+	struct ia64_sal_desc_entry_point *ep = p;
+	ia64_pal_handler_init(__va(ep->pal_proc));
+	ia64_sal_handler_init(__va(ep->sal_proc), __va(ep->gp));
+}
+
+#ifdef CONFIG_SMP
+static void __init
+set_smp_redirect (int flag)
+{
+#ifndef CONFIG_HOTPLUG_CPU
+	if (no_int_routing)
+		smp_int_redirect &= ~flag;
+	else
+		smp_int_redirect |= flag;
+#else
+	/*
+	 * For CPU Hotplug we dont want to do any chipset supported
+	 * interrupt redirection. The reason is this would require that
+	 * All interrupts be stopped and hard bind the irq to a cpu.
+	 * Later when the interrupt is fired we need to set the redir hint
+	 * on again in the vector. This is combersome for something that the
+	 * user mode irq balancer will solve anyways.
+	 */
+	no_int_routing=1;
+	smp_int_redirect &= ~flag;
+#endif
+}
+#else
+#define set_smp_redirect(flag)	do { } while (0)
+#endif
+
+static void __init
+sal_desc_platform_feature (void *p)
+{
+	struct ia64_sal_desc_platform_feature *pf = p;
+	sal_platform_features = pf->feature_mask;
+
+	printk(KERN_INFO "SAL Platform features:");
+	if (!sal_platform_features) {
+		printk(" None\n");
+		return;
+	}
+
+	if (sal_platform_features & IA64_SAL_PLATFORM_FEATURE_BUS_LOCK)
+		printk(" BusLock");
+	if (sal_platform_features & IA64_SAL_PLATFORM_FEATURE_IRQ_REDIR_HINT) {
+		printk(" IRQ_Redirection");
+		set_smp_redirect(SMP_IRQ_REDIRECTION);
+	}
+	if (sal_platform_features & IA64_SAL_PLATFORM_FEATURE_IPI_REDIR_HINT) {
+		printk(" IPI_Redirection");
+		set_smp_redirect(SMP_IPI_REDIRECTION);
+	}
+	if (sal_platform_features & IA64_SAL_PLATFORM_FEATURE_ITC_DRIFT)
+		printk(" ITC_Drift");
+	printk("\n");
+}
+
+#ifdef CONFIG_SMP
+static void __init
+sal_desc_ap_wakeup (void *p)
+{
+	struct ia64_sal_desc_ap_wakeup *ap = p;
+
+	switch (ap->mechanism) {
+	case IA64_SAL_AP_EXTERNAL_INT:
+		ap_wakeup_vector = ap->vector;
+		printk(KERN_INFO "SAL: AP wakeup using external interrupt "
+				"vector 0x%lx\n", ap_wakeup_vector);
+		break;
+	default:
+		printk(KERN_ERR "SAL: AP wakeup mechanism unsupported!\n");
+		break;
+	}
+}
+
+static void __init
+chk_nointroute_opt(void)
+{
+	char *cp;
+	extern char saved_command_line[];
+
+	for (cp = saved_command_line; *cp; ) {
+		if (memcmp(cp, "nointroute", 10) == 0) {
+			no_int_routing = 1;
+			printk ("no_int_routing on\n");
+			break;
+		} else {
+			while (*cp != ' ' && *cp)
+				++cp;
+			while (*cp == ' ')
+				++cp;
+		}
+	}
+}
+
+#else
+static void __init sal_desc_ap_wakeup(void *p) { }
+#endif
+
+/*
+ * HP rx5670 firmware polls for interrupts during SAL_CACHE_FLUSH by reading
+ * cr.ivr, but it never writes cr.eoi.  This leaves any interrupt marked as
+ * "in-service" and masks other interrupts of equal or lower priority.
+ *
+ * HP internal defect reports: F1859, F2775, F3031.
+ */
+static int sal_cache_flush_drops_interrupts;
+
+static void __init
+check_sal_cache_flush (void)
+{
+	unsigned long flags, itv;
+	int cpu;
+	u64 vector;
+
+	cpu = get_cpu();
+	local_irq_save(flags);
+
+	/*
+	 * Schedule a timer interrupt, wait until it's reported, and see if
+	 * SAL_CACHE_FLUSH drops it.
+	 */
+	itv = ia64_get_itv();
+	BUG_ON((itv & (1 << 16)) == 0);
+
+	ia64_set_itv(IA64_TIMER_VECTOR);
+	ia64_set_itm(ia64_get_itc() + 1000);
+
+	while (!ia64_get_irr(IA64_TIMER_VECTOR))
+		cpu_relax();
+
+	ia64_sal_cache_flush(3);
+
+	if (ia64_get_irr(IA64_TIMER_VECTOR)) {
+		vector = ia64_get_ivr();
+		ia64_eoi();
+		WARN_ON(vector != IA64_TIMER_VECTOR);
+	} else {
+		sal_cache_flush_drops_interrupts = 1;
+		printk(KERN_ERR "SAL: SAL_CACHE_FLUSH drops interrupts; "
+			"PAL_CACHE_FLUSH will be used instead\n");
+		ia64_eoi();
+	}
+
+	ia64_set_itv(itv);
+	local_irq_restore(flags);
+	put_cpu();
+}
+
+s64
+ia64_sal_cache_flush (u64 cache_type)
+{
+	struct ia64_sal_retval isrv;
+
+	if (sal_cache_flush_drops_interrupts) {
+		unsigned long flags;
+		u64 progress;
+		s64 rc;
+
+		progress = 0;
+		local_irq_save(flags);
+		rc = ia64_pal_cache_flush(cache_type,
+			PAL_CACHE_FLUSH_INVALIDATE, &progress, NULL);
+		local_irq_restore(flags);
+		return rc;
+	}
+
+	SAL_CALL(isrv, SAL_CACHE_FLUSH, cache_type, 0, 0, 0, 0, 0, 0);
+	return isrv.status;
+}
+
+void __init
+ia64_sal_init (struct ia64_sal_systab *systab)
+{
+	char *p;
+	int i;
+
+	if (!systab) {
+		printk(KERN_WARNING "Hmm, no SAL System Table.\n");
+		return;
+	}
+
+	if (strncmp(systab->signature, "SST_", 4) != 0)
+		printk(KERN_ERR "bad signature in system table!");
+
+	check_versions(systab);
+#ifdef CONFIG_SMP
+	chk_nointroute_opt();
+#endif
+
+	/* revisions are coded in BCD, so %x does the job for us */
+	printk(KERN_INFO "SAL %x.%x: %.32s %.32s%sversion %x.%x\n",
+			SAL_MAJOR(sal_revision), SAL_MINOR(sal_revision),
+			systab->oem_id, systab->product_id,
+			systab->product_id[0] ? " " : "",
+			SAL_MAJOR(sal_version), SAL_MINOR(sal_version));
+
+	p = (char *) (systab + 1);
+	for (i = 0; i < systab->entry_count; i++) {
+		/*
+		 * The first byte of each entry type contains the type
+		 * descriptor.
+		 */
+		switch (*p) {
+		case SAL_DESC_ENTRY_POINT:
+			sal_desc_entry_point(p);
+			break;
+		case SAL_DESC_PLATFORM_FEATURE:
+			sal_desc_platform_feature(p);
+			break;
+		case SAL_DESC_PTC:
+			ia64_ptc_domain_info = (ia64_sal_desc_ptc_t *)p;
+			break;
+		case SAL_DESC_AP_WAKEUP:
+			sal_desc_ap_wakeup(p);
+			break;
+		}
+		p += SAL_DESC_SIZE(*p);
+	}
+
+	if (!running_on_xen)
+		check_sal_cache_flush();
+}
+
+int
+ia64_sal_oemcall(struct ia64_sal_retval *isrvp, u64 oemfunc, u64 arg1,
+		 u64 arg2, u64 arg3, u64 arg4, u64 arg5, u64 arg6, u64 arg7)
+{
+	if (oemfunc < IA64_SAL_OEMFUNC_MIN || oemfunc > IA64_SAL_OEMFUNC_MAX)
+		return -1;
+	SAL_CALL(*isrvp, oemfunc, arg1, arg2, arg3, arg4, arg5, arg6, arg7);
+	return 0;
+}
+EXPORT_SYMBOL(ia64_sal_oemcall);
+
+int
+ia64_sal_oemcall_nolock(struct ia64_sal_retval *isrvp, u64 oemfunc, u64 arg1,
+			u64 arg2, u64 arg3, u64 arg4, u64 arg5, u64 arg6,
+			u64 arg7)
+{
+	if (oemfunc < IA64_SAL_OEMFUNC_MIN || oemfunc > IA64_SAL_OEMFUNC_MAX)
+		return -1;
+	SAL_CALL_NOLOCK(*isrvp, oemfunc, arg1, arg2, arg3, arg4, arg5, arg6,
+			arg7);
+	return 0;
+}
+EXPORT_SYMBOL(ia64_sal_oemcall_nolock);
+
+int
+ia64_sal_oemcall_reentrant(struct ia64_sal_retval *isrvp, u64 oemfunc,
+			   u64 arg1, u64 arg2, u64 arg3, u64 arg4, u64 arg5,
+			   u64 arg6, u64 arg7)
+{
+	if (oemfunc < IA64_SAL_OEMFUNC_MIN || oemfunc > IA64_SAL_OEMFUNC_MAX)
+		return -1;
+	SAL_CALL_REENTRANT(*isrvp, oemfunc, arg1, arg2, arg3, arg4, arg5, arg6,
+			   arg7);
+	return 0;
+}
+EXPORT_SYMBOL(ia64_sal_oemcall_reentrant);

linux-2.6-xen-sparse/arch/ia64/kernel/setup.c

@@ -71,6 +71,8 @@ unsigned long __per_cpu_offset[NR_CPUS];
 EXPORT_SYMBOL(__per_cpu_offset);
 #endif
 
+extern void ia64_setup_printk_clock(void);
+
 DEFINE_PER_CPU(struct cpuinfo_ia64, cpu_info);
 DEFINE_PER_CPU(unsigned long, local_per_cpu_offset);
 DEFINE_PER_CPU(unsigned long, ia64_phys_stacked_size_p8);
@@ -449,6 +451,8 @@ setup_arch (char **cmdline_p)
 	/* process SAL system table: */
 	ia64_sal_init(efi.sal_systab);
 
+	ia64_setup_printk_clock();
+
 #ifdef CONFIG_SMP
 	cpu_physical_id(0) = hard_smp_processor_id();
 

linux-2.6-xen-sparse/include/asm-ia64/processor.h

@@ -560,6 +560,23 @@ ia64_eoi (void)
 
 #define cpu_relax()	ia64_hint(ia64_hint_pause)
 
+static inline int
+ia64_get_irr(unsigned int vector)
+{
+	unsigned int reg = vector / 64;
+	unsigned int bit = vector % 64;
+	u64 irr;
+
+	switch (reg) {
+	case 0: irr = ia64_getreg(_IA64_REG_CR_IRR0); break;
+	case 1: irr = ia64_getreg(_IA64_REG_CR_IRR1); break;
+	case 2: irr = ia64_getreg(_IA64_REG_CR_IRR2); break;
+	case 3: irr = ia64_getreg(_IA64_REG_CR_IRR3); break;
+	}
+
+	return test_bit(bit, &irr);
+}
+
 static inline void
 ia64_set_lrr0 (unsigned long val)
 {

linux-2.6-xen-sparse/include/asm-ia64/system.h

@@ -249,32 +249,7 @@ extern void ia64_load_extra (struct task_struct *task);
 # define switch_to(prev,next,last)	__switch_to(prev, next, last)
 #endif
 
-/*
- * On IA-64, we don't want to hold the runqueue's lock during the low-level context-switch,
- * because that could cause a deadlock.  Here is an example by Erich Focht:
- *
- * Example:
- * CPU#0:
- * schedule()
- *    -> spin_lock_irq(&rq->lock)
- *    -> context_switch()
- *       -> wrap_mmu_context()
- *          -> read_lock(&tasklist_lock)
- *
- * CPU#1:
- * sys_wait4() or release_task() or forget_original_parent()
- *    -> write_lock(&tasklist_lock)
- *    -> do_notify_parent()
- *       -> wake_up_parent()
- *          -> try_to_wake_up()
- *             -> spin_lock_irq(&parent_rq->lock)
- *
- * If the parent's rq happens to be on CPU#0, we'll wait for the rq->lock
- * of that CPU which will not be released, because there we wait for the
- * tasklist_lock to become available.
- */
 #define __ARCH_WANT_UNLOCKED_CTXSW
-
 #define ARCH_HAS_PREFETCH_SWITCH_STACK
 #define ia64_platform_is(x) (strcmp(x, platform_name) == 0)