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-rw-r--r--arch/ia64/Kconfig12
-rw-r--r--arch/ia64/include/asm/compat.h208
-rw-r--r--arch/ia64/include/asm/hardirq.h11
-rw-r--r--arch/ia64/include/asm/iommu_table.h6
-rw-r--r--arch/ia64/kernel/Makefile1
-rw-r--r--arch/ia64/kernel/cyclone.c2
-rw-r--r--arch/ia64/kernel/iosapic.c12
-rw-r--r--arch/ia64/kernel/irq_ia64.c1
-rw-r--r--arch/ia64/kernel/palinfo.c2
-rw-r--r--arch/ia64/kernel/perfmon.c12
-rw-r--r--arch/ia64/kernel/salinfo.c2
-rw-r--r--arch/ia64/kernel/stacktrace.c39
-rw-r--r--arch/ia64/kernel/unwind.c23
-rw-r--r--arch/ia64/xen/xen_pv_ops.c5
14 files changed, 100 insertions, 236 deletions
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index ba22849ee3ec..7c82fa1fc911 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -53,6 +53,9 @@ config MMU
 	bool
 	default y
 
+config ARCH_DMA_ADDR_T_64BIT
+	def_bool y
+
 config NEED_DMA_MAP_STATE
 	def_bool y
 
@@ -62,6 +65,9 @@ config NEED_SG_DMA_LENGTH
 config SWIOTLB
        bool
 
+config STACKTRACE_SUPPORT
+	def_bool y
+
 config GENERIC_LOCKBREAK
 	def_bool n
 
@@ -683,8 +689,10 @@ source "lib/Kconfig"
 # Use the generic interrupt handling code in kernel/irq/:
 #
 config GENERIC_HARDIRQS
-	bool
-	default y
+	def_bool y
+
+config GENERIC_HARDIRQS_NO__DO_IRQ
+	def_bool y
 
 config GENERIC_IRQ_PROBE
 	bool
diff --git a/arch/ia64/include/asm/compat.h b/arch/ia64/include/asm/compat.h
deleted file mode 100644
index 9301a2821615..000000000000
--- a/arch/ia64/include/asm/compat.h
+++ /dev/null
@@ -1,208 +0,0 @@
-#ifndef _ASM_IA64_COMPAT_H
-#define _ASM_IA64_COMPAT_H
-/*
- * Architecture specific compatibility types
- */
-#include <linux/types.h>
-
-#define COMPAT_USER_HZ		100
-#define COMPAT_UTS_MACHINE	"i686\0\0\0"
-
-typedef u32		compat_size_t;
-typedef s32		compat_ssize_t;
-typedef s32		compat_time_t;
-typedef s32		compat_clock_t;
-typedef s32		compat_key_t;
-typedef s32		compat_pid_t;
-typedef u16		__compat_uid_t;
-typedef u16		__compat_gid_t;
-typedef u32		__compat_uid32_t;
-typedef u32		__compat_gid32_t;
-typedef u16		compat_mode_t;
-typedef u32		compat_ino_t;
-typedef u16		compat_dev_t;
-typedef s32		compat_off_t;
-typedef s64		compat_loff_t;
-typedef u16		compat_nlink_t;
-typedef u16		compat_ipc_pid_t;
-typedef s32		compat_daddr_t;
-typedef u32		compat_caddr_t;
-typedef __kernel_fsid_t	compat_fsid_t;
-typedef s32		compat_timer_t;
-
-typedef s32		compat_int_t;
-typedef s32		compat_long_t;
-typedef s64 __attribute__((aligned(4))) compat_s64;
-typedef u32		compat_uint_t;
-typedef u32		compat_ulong_t;
-typedef u64 __attribute__((aligned(4))) compat_u64;
-
-struct compat_timespec {
-	compat_time_t	tv_sec;
-	s32		tv_nsec;
-};
-
-struct compat_timeval {
-	compat_time_t	tv_sec;
-	s32		tv_usec;
-};
-
-struct compat_stat {
-	compat_dev_t	st_dev;
-	u16		__pad1;
-	compat_ino_t	st_ino;
-	compat_mode_t	st_mode;
-	compat_nlink_t	st_nlink;
-	__compat_uid_t	st_uid;
-	__compat_gid_t	st_gid;
-	compat_dev_t	st_rdev;
-	u16		__pad2;
-	u32		st_size;
-	u32		st_blksize;
-	u32		st_blocks;
-	u32		st_atime;
-	u32		st_atime_nsec;
-	u32		st_mtime;
-	u32		st_mtime_nsec;
-	u32		st_ctime;
-	u32		st_ctime_nsec;
-	u32		__unused4;
-	u32		__unused5;
-};
-
-struct compat_flock {
-	short		l_type;
-	short		l_whence;
-	compat_off_t	l_start;
-	compat_off_t	l_len;
-	compat_pid_t	l_pid;
-};
-
-#define F_GETLK64	12
-#define F_SETLK64	13
-#define F_SETLKW64	14
-
-/*
- * IA32 uses 4 byte alignment for 64 bit quantities,
- * so we need to pack this structure.
- */
-struct compat_flock64 {
-	short		l_type;
-	short		l_whence;
-	compat_loff_t	l_start;
-	compat_loff_t	l_len;
-	compat_pid_t	l_pid;
-} __attribute__((packed));
-
-struct compat_statfs {
-	int		f_type;
-	int		f_bsize;
-	int		f_blocks;
-	int		f_bfree;
-	int		f_bavail;
-	int		f_files;
-	int		f_ffree;
-	compat_fsid_t	f_fsid;
-	int		f_namelen;	/* SunOS ignores this field. */
-	int		f_frsize;
-	int		f_spare[5];
-};
-
-#define COMPAT_RLIM_OLD_INFINITY       0x7fffffff
-#define COMPAT_RLIM_INFINITY           0xffffffff
-
-typedef u32		compat_old_sigset_t;	/* at least 32 bits */
-
-#define _COMPAT_NSIG		64
-#define _COMPAT_NSIG_BPW	32
-
-typedef u32		compat_sigset_word;
-
-#define COMPAT_OFF_T_MAX	0x7fffffff
-#define COMPAT_LOFF_T_MAX	0x7fffffffffffffffL
-
-struct compat_ipc64_perm {
-	compat_key_t key;
-	__compat_uid32_t uid;
-	__compat_gid32_t gid;
-	__compat_uid32_t cuid;
-	__compat_gid32_t cgid;
-	unsigned short mode;
-	unsigned short __pad1;
-	unsigned short seq;
-	unsigned short __pad2;
-	compat_ulong_t unused1;
-	compat_ulong_t unused2;
-};
-
-struct compat_semid64_ds {
-	struct compat_ipc64_perm sem_perm;
-	compat_time_t  sem_otime;
-	compat_ulong_t __unused1;
-	compat_time_t  sem_ctime;
-	compat_ulong_t __unused2;
-	compat_ulong_t sem_nsems;
-	compat_ulong_t __unused3;
-	compat_ulong_t __unused4;
-};
-
-struct compat_msqid64_ds {
-	struct compat_ipc64_perm msg_perm;
-	compat_time_t  msg_stime;
-	compat_ulong_t __unused1;
-	compat_time_t  msg_rtime;
-	compat_ulong_t __unused2;
-	compat_time_t  msg_ctime;
-	compat_ulong_t __unused3;
-	compat_ulong_t msg_cbytes;
-	compat_ulong_t msg_qnum;
-	compat_ulong_t msg_qbytes;
-	compat_pid_t   msg_lspid;
-	compat_pid_t   msg_lrpid;
-	compat_ulong_t __unused4;
-	compat_ulong_t __unused5;
-};
-
-struct compat_shmid64_ds {
-	struct compat_ipc64_perm shm_perm;
-	compat_size_t  shm_segsz;
-	compat_time_t  shm_atime;
-	compat_ulong_t __unused1;
-	compat_time_t  shm_dtime;
-	compat_ulong_t __unused2;
-	compat_time_t  shm_ctime;
-	compat_ulong_t __unused3;
-	compat_pid_t   shm_cpid;
-	compat_pid_t   shm_lpid;
-	compat_ulong_t shm_nattch;
-	compat_ulong_t __unused4;
-	compat_ulong_t __unused5;
-};
-
-/*
- * A pointer passed in from user mode. This should not be used for syscall parameters,
- * just declare them as pointers because the syscall entry code will have appropriately
- * converted them already.
- */
-typedef	u32		compat_uptr_t;
-
-static inline void __user *
-compat_ptr (compat_uptr_t uptr)
-{
-	return (void __user *) (unsigned long) uptr;
-}
-
-static inline compat_uptr_t
-ptr_to_compat(void __user *uptr)
-{
-	return (u32)(unsigned long)uptr;
-}
-
-static __inline__ void __user *
-arch_compat_alloc_user_space (long len)
-{
-	struct pt_regs *regs = task_pt_regs(current);
-	return (void __user *) (((regs->r12 & 0xffffffff) & -16) - len);
-}
-
-#endif /* _ASM_IA64_COMPAT_H */
diff --git a/arch/ia64/include/asm/hardirq.h b/arch/ia64/include/asm/hardirq.h
index d514cd9edb49..8fb7d33a661f 100644
--- a/arch/ia64/include/asm/hardirq.h
+++ b/arch/ia64/include/asm/hardirq.h
@@ -6,12 +6,6 @@
  *	David Mosberger-Tang <davidm@hpl.hp.com>
  */
 
-
-#include <linux/threads.h>
-#include <linux/irq.h>
-
-#include <asm/processor.h>
-
 /*
  * No irq_cpustat_t for IA-64.  The data is held in the per-CPU data structure.
  */
@@ -20,6 +14,11 @@
 
 #define local_softirq_pending()		(local_cpu_data->softirq_pending)
 
+#include <linux/threads.h>
+#include <linux/irq.h>
+
+#include <asm/processor.h>
+
 extern void __iomem *ipi_base_addr;
 
 void ack_bad_irq(unsigned int irq);
diff --git a/arch/ia64/include/asm/iommu_table.h b/arch/ia64/include/asm/iommu_table.h
new file mode 100644
index 000000000000..92c8d36ae5ae
--- /dev/null
+++ b/arch/ia64/include/asm/iommu_table.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_IA64_IOMMU_TABLE_H
+#define _ASM_IA64_IOMMU_TABLE_H
+
+#define IOMMU_INIT_POST(_detect)
+
+#endif /* _ASM_IA64_IOMMU_TABLE_H */
diff --git a/arch/ia64/kernel/Makefile b/arch/ia64/kernel/Makefile
index db10b1e378b0..395c2f216dd8 100644
--- a/arch/ia64/kernel/Makefile
+++ b/arch/ia64/kernel/Makefile
@@ -34,6 +34,7 @@ obj-$(CONFIG_AUDIT)		+= audit.o
 obj-$(CONFIG_PCI_MSI)		+= msi_ia64.o
 mca_recovery-y			+= mca_drv.o mca_drv_asm.o
 obj-$(CONFIG_IA64_MC_ERR_INJECT)+= err_inject.o
+obj-$(CONFIG_STACKTRACE)	+= stacktrace.o
 
 obj-$(CONFIG_PARAVIRT)		+= paravirt.o paravirtentry.o \
 				   paravirt_patch.o
diff --git a/arch/ia64/kernel/cyclone.c b/arch/ia64/kernel/cyclone.c
index 71e35864d2e2..d52f1f78eff2 100644
--- a/arch/ia64/kernel/cyclone.c
+++ b/arch/ia64/kernel/cyclone.c
@@ -59,13 +59,13 @@ int __init init_cyclone_clock(void)
 		return -ENODEV;
 	}
 	base = readq(reg);
+	iounmap(reg);
 	if(!base){
 		printk(KERN_ERR "Summit chipset: Could not find valid CBAR"
 				" value.\n");
 		use_cyclone = 0;
 		return -ENODEV;
 	}
-	iounmap(reg);
 
 	/* setup PMCC */
 	offset = (base + CYCLONE_PMCC_OFFSET);
diff --git a/arch/ia64/kernel/iosapic.c b/arch/ia64/kernel/iosapic.c
index 66ec07806ad9..22c38404f539 100644
--- a/arch/ia64/kernel/iosapic.c
+++ b/arch/ia64/kernel/iosapic.c
@@ -386,7 +386,7 @@ iosapic_startup_level_irq (unsigned int irq)
 }
 
 static void
-iosapic_end_level_irq (unsigned int irq)
+iosapic_unmask_level_irq (unsigned int irq)
 {
 	ia64_vector vec = irq_to_vector(irq);
 	struct iosapic_rte_info *rte;
@@ -396,7 +396,8 @@ iosapic_end_level_irq (unsigned int irq)
 	if (unlikely(irq_desc[irq].status & IRQ_MOVE_PENDING)) {
 		do_unmask_irq = 1;
 		mask_irq(irq);
-	}
+	} else
+		unmask_irq(irq);
 
 	list_for_each_entry(rte, &iosapic_intr_info[irq].rtes, rte_list)
 		iosapic_eoi(rte->iosapic->addr, vec);
@@ -419,9 +420,8 @@ static struct irq_chip irq_type_iosapic_level = {
 	.enable =	iosapic_enable_level_irq,
 	.disable =	iosapic_disable_level_irq,
 	.ack =		iosapic_ack_level_irq,
-	.end =		iosapic_end_level_irq,
 	.mask =		mask_irq,
-	.unmask =	unmask_irq,
+	.unmask =	iosapic_unmask_level_irq,
 	.set_affinity =	iosapic_set_affinity
 };
 
@@ -619,6 +619,10 @@ register_intr (unsigned int gsi, int irq, unsigned char delivery,
 			       idesc->chip->name, irq_type->name);
 		idesc->chip = irq_type;
 	}
+	if (trigger == IOSAPIC_EDGE)
+		__set_irq_handler_unlocked(irq, handle_edge_irq);
+	else
+		__set_irq_handler_unlocked(irq, handle_level_irq);
 	return 0;
 }
 
diff --git a/arch/ia64/kernel/irq_ia64.c b/arch/ia64/kernel/irq_ia64.c
index 07d4f94e40ba..9a26015c3e50 100644
--- a/arch/ia64/kernel/irq_ia64.c
+++ b/arch/ia64/kernel/irq_ia64.c
@@ -636,6 +636,7 @@ ia64_native_register_percpu_irq (ia64_vector vec, struct irqaction *action)
 	desc->chip = &irq_type_ia64_lsapic;
 	if (action)
 		setup_irq(irq, action);
+	set_irq_handler(irq, handle_percpu_irq);
 }
 
 void __init
diff --git a/arch/ia64/kernel/palinfo.c b/arch/ia64/kernel/palinfo.c
index fdf6f9d013e5..77597e5ea60a 100644
--- a/arch/ia64/kernel/palinfo.c
+++ b/arch/ia64/kernel/palinfo.c
@@ -434,7 +434,7 @@ register_info(char *page)
 	unsigned long phys_stacked;
 	pal_hints_u_t hints;
 	unsigned long iregs, dregs;
-	char *info_type[]={
+	static const char * const info_type[] = {
 		"Implemented AR(s)",
 		"AR(s) with read side-effects",
 		"Implemented CR(s)",
diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index cce050e85c73..6b1852f7f972 100644
--- a/arch/ia64/kernel/perfmon.c
+++ b/arch/ia64/kernel/perfmon.c
@@ -1573,7 +1573,7 @@ pfm_read(struct file *filp, char __user *buf, size_t size, loff_t *ppos)
 		return -EINVAL;
 	}
 
-	ctx = (pfm_context_t *)filp->private_data;
+	ctx = filp->private_data;
 	if (ctx == NULL) {
 		printk(KERN_ERR "perfmon: pfm_read: NULL ctx [%d]\n", task_pid_nr(current));
 		return -EINVAL;
@@ -1673,7 +1673,7 @@ pfm_poll(struct file *filp, poll_table * wait)
 		return 0;
 	}
 
-	ctx = (pfm_context_t *)filp->private_data;
+	ctx = filp->private_data;
 	if (ctx == NULL) {
 		printk(KERN_ERR "perfmon: pfm_poll: NULL ctx [%d]\n", task_pid_nr(current));
 		return 0;
@@ -1733,7 +1733,7 @@ pfm_fasync(int fd, struct file *filp, int on)
 		return -EBADF;
 	}
 
-	ctx = (pfm_context_t *)filp->private_data;
+	ctx = filp->private_data;
 	if (ctx == NULL) {
 		printk(KERN_ERR "perfmon: pfm_fasync NULL ctx [%d]\n", task_pid_nr(current));
 		return -EBADF;
@@ -1841,7 +1841,7 @@ pfm_flush(struct file *filp, fl_owner_t id)
 		return -EBADF;
 	}
 
-	ctx = (pfm_context_t *)filp->private_data;
+	ctx = filp->private_data;
 	if (ctx == NULL) {
 		printk(KERN_ERR "perfmon: pfm_flush: NULL ctx [%d]\n", task_pid_nr(current));
 		return -EBADF;
@@ -1984,7 +1984,7 @@ pfm_close(struct inode *inode, struct file *filp)
 		return -EBADF;
 	}
 	
-	ctx = (pfm_context_t *)filp->private_data;
+	ctx = filp->private_data;
 	if (ctx == NULL) {
 		printk(KERN_ERR "perfmon: pfm_close: NULL ctx [%d]\n", task_pid_nr(current));
 		return -EBADF;
@@ -4907,7 +4907,7 @@ restart_args:
 		goto error_args;
 	}
 
-	ctx = (pfm_context_t *)file->private_data;
+	ctx = file->private_data;
 	if (unlikely(ctx == NULL)) {
 		DPRINT(("no context for fd %d\n", fd));
 		goto error_args;
diff --git a/arch/ia64/kernel/salinfo.c b/arch/ia64/kernel/salinfo.c
index aa8b5fa1a8de..45d7543b69cc 100644
--- a/arch/ia64/kernel/salinfo.c
+++ b/arch/ia64/kernel/salinfo.c
@@ -642,7 +642,7 @@ salinfo_init(void)
 	for (i = 0; i < ARRAY_SIZE(salinfo_log_name); i++) {
 		data = salinfo_data + i;
 		data->type = i;
-		init_MUTEX(&data->mutex);
+		sema_init(&data->mutex, 1);
 		dir = proc_mkdir(salinfo_log_name[i], salinfo_dir);
 		if (!dir)
 			continue;
diff --git a/arch/ia64/kernel/stacktrace.c b/arch/ia64/kernel/stacktrace.c
new file mode 100644
index 000000000000..5af2783a87f4
--- /dev/null
+++ b/arch/ia64/kernel/stacktrace.c
@@ -0,0 +1,39 @@
+/*
+ * arch/ia64/kernel/stacktrace.c
+ *
+ * Stack trace management functions
+ *
+ */
+#include <linux/sched.h>
+#include <linux/stacktrace.h>
+#include <linux/module.h>
+
+static void
+ia64_do_save_stack(struct unw_frame_info *info, void *arg)
+{
+	struct stack_trace *trace = arg;
+	unsigned long ip;
+	int skip = trace->skip;
+
+	trace->nr_entries = 0;
+	do {
+		unw_get_ip(info, &ip);
+		if (ip == 0)
+			break;
+		if (skip == 0) {
+			trace->entries[trace->nr_entries++] = ip;
+			if (trace->nr_entries == trace->max_entries)
+				break;
+		} else
+			skip--;
+	} while (unw_unwind(info) >= 0);
+}
+
+/*
+ * Save stack-backtrace addresses into a stack_trace buffer.
+ */
+void save_stack_trace(struct stack_trace *trace)
+{
+	unw_init_running(ia64_do_save_stack, trace);
+}
+EXPORT_SYMBOL(save_stack_trace);
diff --git a/arch/ia64/kernel/unwind.c b/arch/ia64/kernel/unwind.c
index b6c0e63a0bf6..fed6afa2e8a9 100644
--- a/arch/ia64/kernel/unwind.c
+++ b/arch/ia64/kernel/unwind.c
@@ -1204,10 +1204,10 @@ desc_spill_sprel_p (unsigned char qp, unw_word t, unsigned char abreg, unw_word
 static inline unw_hash_index_t
 hash (unsigned long ip)
 {
-#	define hashmagic	0x9e3779b97f4a7c16UL	/* based on (sqrt(5)/2-1)*2^64 */
+	/* magic number = ((sqrt(5)-1)/2)*2^64 */
+	static const unsigned long hashmagic = 0x9e3779b97f4a7c16UL;
 
-	return (ip >> 4)*hashmagic >> (64 - UNW_LOG_HASH_SIZE);
-#undef hashmagic
+	return (ip >> 4) * hashmagic >> (64 - UNW_LOG_HASH_SIZE);
 }
 
 static inline long
@@ -1531,7 +1531,7 @@ build_script (struct unw_frame_info *info)
 	struct unw_labeled_state *ls, *next;
 	unsigned long ip = info->ip;
 	struct unw_state_record sr;
-	struct unw_table *table;
+	struct unw_table *table, *prev;
 	struct unw_reg_info *r;
 	struct unw_insn insn;
 	u8 *dp, *desc_end;
@@ -1560,11 +1560,26 @@ build_script (struct unw_frame_info *info)
 
 	STAT(parse_start = ia64_get_itc());
 
+	prev = NULL;
 	for (table = unw.tables; table; table = table->next) {
 		if (ip >= table->start && ip < table->end) {
+			/*
+			 * Leave the kernel unwind table at the very front,
+			 * lest moving it breaks some assumption elsewhere.
+			 * Otherwise, move the matching table to the second
+			 * position in the list so that traversals can benefit
+			 * from commonality in backtrace paths.
+			 */
+			if (prev && prev != unw.tables) {
+				/* unw is safe - we're already spinlocked */
+				prev->next = table->next;
+				table->next = unw.tables->next;
+				unw.tables->next = table;
+			}
 			e = lookup(table, ip - table->segment_base);
 			break;
 		}
+		prev = table;
 	}
 	if (!e) {
 		/* no info, return default unwinder (leaf proc, no mem stack, no saved regs)  */
diff --git a/arch/ia64/xen/xen_pv_ops.c b/arch/ia64/xen/xen_pv_ops.c
index 8adc6a14272a..3e8d350fdf39 100644
--- a/arch/ia64/xen/xen_pv_ops.c
+++ b/arch/ia64/xen/xen_pv_ops.c
@@ -1136,7 +1136,6 @@ __initconst = {
 static void __init
 xen_patch_branch(unsigned long tag, unsigned long type)
 {
-	const unsigned long nelem =
-		sizeof(xen_branch_target) / sizeof(xen_branch_target[0]);
-	__paravirt_patch_apply_branch(tag, type, xen_branch_target, nelem);
+	__paravirt_patch_apply_branch(tag, type, xen_branch_target,
+					ARRAY_SIZE(xen_branch_target));
 }
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-10-13 05:14:11 +0000