Make main-title more concise.

Rename "General setup" to "Processor type and features".
Move ACPI types after the point where HP_SIM gets defined.
Pick up HP Ski configuration options from arch/ia64/hp/Config.in.

arch/ia64/config.in

-mainmenu_name "Kernel configuration of Linux for IA-64 machines"
+mainmenu_name "IA-64 Linux Kernel Configuration"
 
 source init/Config.in
 
 mainmenu_option next_comment
-comment 'General setup'
+comment 'Processor type and features'
 
 define_bool CONFIG_IA64 y
 
@@ -14,13 +14,6 @@ define_bool CONFIG_SBUS n
 define_bool CONFIG_RWSEM_GENERIC_SPINLOCK y
 define_bool CONFIG_RWSEM_XCHGADD_ALGORITHM n
 
-if [ "$CONFIG_IA64_HP_SIM" = "n" ]; then
-  define_bool CONFIG_ACPI y
-  define_bool CONFIG_ACPI_EFI y
-  define_bool CONFIG_ACPI_INTERPRETER y
-  define_bool CONFIG_ACPI_KERNEL_CONFIG y
-fi
-
 choice 'IA-64 processor type' \
 	"Itanium			CONFIG_ITANIUM \
 	 McKinley			CONFIG_MCKINLEY" Itanium
@@ -38,6 +31,13 @@ choice 'Kernel page size'						\
 	 16KB			CONFIG_IA64_PAGE_SIZE_16KB		\
 	 64KB			CONFIG_IA64_PAGE_SIZE_64KB" 16KB
 
+if [ "$CONFIG_IA64_HP_SIM" = "n" ]; then
+  define_bool CONFIG_ACPI y
+  define_bool CONFIG_ACPI_EFI y
+  define_bool CONFIG_ACPI_INTERPRETER y
+  define_bool CONFIG_ACPI_KERNEL_CONFIG y
+fi
+
 if [ "$CONFIG_ITANIUM" = "y" ]; then
 	define_bool CONFIG_IA64_BRL_EMU y
 	bool '  Enable Itanium B-step specific code' CONFIG_ITANIUM_BSTEP_SPECIFIC
@@ -239,15 +239,7 @@ fi
 fi # !HP_SIM
 
 if [ "$CONFIG_IA64_HP_SIM" != "n" -o "$CONFIG_IA64_GENERIC" != "n" ]; then
-  mainmenu_option next_comment
-  comment 'Simulated drivers'
-
-  bool 'Simulated Ethernet ' CONFIG_SIMETH
-  bool 'Simulated serial driver support' CONFIG_SIM_SERIAL
-  if [ "$CONFIG_SCSI" != "n" ]; then
-    bool 'Simulated SCSI disk' CONFIG_SCSI_SIM
-  fi
-  endmenu
+  source arch/ia64/hp/Config.in
 fi
 
 
@@ -269,15 +261,6 @@ if [ "$CONFIG_DEBUG_KERNEL" != "n" ]; then
    bool '  Spinlock debugging' CONFIG_DEBUG_SPINLOCK
    bool '  Turn on compare-and-exchange bug checking (slow!)' CONFIG_IA64_DEBUG_CMPXCHG
    bool '  Turn on irq debug checks (slow!)' CONFIG_IA64_DEBUG_IRQ
-   bool '  Built-in Kernel Debugger support' CONFIG_KDB
-   dep_tristate '    KDB modules' CONFIG_KDB_MODULES $CONFIG_KDB
-   if [ "$CONFIG_KDB" = "y" ]; then
-      bool '    KDB off by default' CONFIG_KDB_OFF
-      comment '  Load all symbols for debugging is required for KDB'
-      define_bool CONFIG_KALLSYMS y
-   else
-      bool '  Load all symbols for debugging' CONFIG_KALLSYMS
-   fi
 fi
 
 endmenu

arch/ia64/defconfig

@@ -183,7 +183,7 @@ CONFIG_BLK_DEV_LOOP=y
 CONFIG_IDE=y
 
 #
-# IDE, ATA and ATAPI Block devices
+# ATA and ATAPI Block devices
 #
 CONFIG_BLK_DEV_IDE=y
 
@@ -218,16 +218,14 @@ CONFIG_BLK_DEV_IDESCSI=y
 # CONFIG_BLK_DEV_ISAPNP is not set
 # CONFIG_BLK_DEV_RZ1000 is not set
 CONFIG_BLK_DEV_IDEPCI=y
+# CONFIG_BLK_DEV_OFFBOARD is not set
 CONFIG_IDEPCI_SHARE_IRQ=y
 CONFIG_BLK_DEV_IDEDMA_PCI=y
-# CONFIG_BLK_DEV_OFFBOARD is not set
 # CONFIG_IDEDMA_PCI_AUTO is not set
 # CONFIG_IDEDMA_ONLYDISK is not set
 CONFIG_BLK_DEV_IDEDMA=y
 # CONFIG_IDEDMA_PCI_WIP is not set
-# CONFIG_BLK_DEV_IDEDMA_TIMEOUT is not set
 # CONFIG_IDEDMA_NEW_DRIVE_LISTINGS is not set
-CONFIG_BLK_DEV_ADMA=y
 # CONFIG_BLK_DEV_AEC62XX is not set
 # CONFIG_AEC62XX_TUNING is not set
 # CONFIG_BLK_DEV_ALI15X3 is not set
@@ -254,8 +252,8 @@ CONFIG_BLK_DEV_PIIX=y
 # CONFIG_BLK_DEV_TRM290 is not set
 # CONFIG_BLK_DEV_VIA82CXXX is not set
 # CONFIG_IDE_CHIPSETS is not set
-# CONFIG_IDEDMA_AUTO is not set
 # CONFIG_IDEDMA_IVB is not set
+# CONFIG_IDEDMA_AUTO is not set
 # CONFIG_DMA_NONPCI is not set
 CONFIG_BLK_DEV_IDE_MODES=y
 # CONFIG_BLK_DEV_ATARAID is not set
@@ -817,6 +815,7 @@ CONFIG_USB_UHCI=m
 # USB Device Class drivers
 #
 # CONFIG_USB_AUDIO is not set
+# CONFIG_USB_EMI26 is not set
 # CONFIG_USB_BLUETOOTH is not set
 # CONFIG_USB_STORAGE is not set
 # CONFIG_USB_STORAGE_DEBUG is not set

arch/ia64/hp/Makefile

 #
 # ia64/platform/hp/Makefile
 #
+# Copyright (C) 2002 Hewlett-Packard Co.
+#	David Mosberger-Tang <davidm@hpl.hp.com>
 # Copyright (C) 1999 Silicon Graphics, Inc.
 # Copyright (C) Srinivasa Thirumalachar (sprasad@engr.sgi.com)
 #
@@ -12,6 +14,10 @@ O_TARGET := hp.a
 obj-y := hpsim_console.o hpsim_irq.o hpsim_setup.o
 obj-$(CONFIG_IA64_GENERIC) += hpsim_machvec.o
 
+obj-$(CONFIG_SIMETH)	+= simeth.o
+obj-$(CONFIG_SIM_SERIAL) += simserial.o
+obj-$(CONFIG_SCSI_SIM)	+= simscsi.o
+
 clean::
 
 include $(TOPDIR)/Rules.make

arch/ia64/hp/simscsi.c

+/*
+ * Simulated SCSI driver.
+ *
+ * Copyright (C) 1999, 2001-2002 Hewlett-Packard Co
+ *	David Mosberger-Tang <davidm@hpl.hp.com>
+ *	Stephane Eranian <eranian@hpl.hp.com>
+ *
+ * 02/01/15 David Mosberger	Updated for v2.5.1
+ * 99/12/18 David Mosberger	Added support for READ10/WRITE10 needed by linux v2.3.33
+ */
+#include <linux/config.h>
+#include <linux/blk.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/kernel.h>
+#include <linux/timer.h>
+
+#include <scsi/scsi.h>
+
+#include <asm/irq.h>
+
+#include "../drivers/scsi/scsi.h"
+#include "../drivers/scsi/sd.h"
+#include "../drivers/scsi/hosts.h"
+#include "simscsi.h"
+
+#define DEBUG_SIMSCSI	1
+
+/* Simulator system calls: */
+
+#define SSC_OPEN			50
+#define SSC_CLOSE			51
+#define SSC_READ			52
+#define SSC_WRITE			53
+#define SSC_GET_COMPLETION		54
+#define SSC_WAIT_COMPLETION		55
+
+#define SSC_WRITE_ACCESS		2
+#define SSC_READ_ACCESS			1
+
+#if DEBUG_SIMSCSI
+  int simscsi_debug;
+# define DBG	simscsi_debug
+#else
+# define DBG	0
+#endif
+
+static struct Scsi_Host *host;
+
+static void simscsi_interrupt (unsigned long val);
+DECLARE_TASKLET(simscsi_tasklet, simscsi_interrupt, 0);
+
+struct disk_req {
+	unsigned long addr;
+	unsigned len;
+};
+
+struct disk_stat {
+	int fd;
+	unsigned count;
+};
+
+extern long ia64_ssc (long arg0, long arg1, long arg2, long arg3, int nr);
+
+static int desc[8] = { -1, -1, -1, -1, -1, -1, -1, -1 };
+
+static struct queue_entry {
+	Scsi_Cmnd *sc;
+} queue[SIMSCSI_REQ_QUEUE_LEN];
+
+static int rd, wr;
+static atomic_t num_reqs = ATOMIC_INIT(0);
+
+/* base name for default disks */
+static char *simscsi_root = DEFAULT_SIMSCSI_ROOT;
+
+#define MAX_ROOT_LEN	128
+
+/*
+ * used to setup a new base for disk images
+ * to use /foo/bar/disk[a-z] as disk images
+ * you have to specify simscsi=/foo/bar/disk on the command line
+ */
+static int __init
+simscsi_setup (char *s)
+{
+	/* XXX Fix me we may need to strcpy() ? */
+	if (strlen(s) > MAX_ROOT_LEN) {
+		printk("simscsi_setup: prefix too long---using default %s\n", simscsi_root);
+	}
+	simscsi_root = s;
+	return 1;
+}
+
+__setup("simscsi=", simscsi_setup);
+
+static void
+simscsi_interrupt (unsigned long val)
+{
+	Scsi_Cmnd *sc;
+
+	while ((sc = queue[rd].sc) != 0) {
+		atomic_dec(&num_reqs);
+		queue[rd].sc = 0;
+		if (DBG)
+			printk("simscsi_interrupt: done with %ld\n", sc->serial_number);
+		(*sc->scsi_done)(sc);
+		rd = (rd + 1) % SIMSCSI_REQ_QUEUE_LEN;
+	}
+}
+
+int
+simscsi_detect (Scsi_Host_Template *templ)
+{
+	templ->proc_name = "simscsi";
+	host = scsi_register(templ, 0);
+	return 1;	/* fake one SCSI host adapter */
+}
+
+int
+simscsi_release (struct Scsi_Host *host)
+{
+	return 0;	/* this is easy...  */
+}
+
+const char *
+simscsi_info (struct Scsi_Host *host)
+{
+	return "simulated SCSI host adapter";
+}
+
+int
+simscsi_abort (Scsi_Cmnd *cmd)
+{
+	printk ("simscsi_abort: unimplemented\n");
+	return SCSI_ABORT_SUCCESS;
+}
+
+int
+simscsi_reset (Scsi_Cmnd *cmd, unsigned int reset_flags)
+{
+	printk ("simscsi_reset: unimplemented\n");
+	return SCSI_RESET_SUCCESS;
+}
+
+int
+simscsi_biosparam (Disk *disk, kdev_t n, int ip[])
+{
+	int size = disk->capacity;
+
+	ip[0] = 64;
+	ip[1] = 32;
+	ip[2] = size >> 11;
+	return 0;
+}
+
+static void
+simscsi_readwrite (Scsi_Cmnd *sc, int mode, unsigned long offset, unsigned long len)
+{
+	struct disk_stat stat;
+	struct disk_req req;
+
+	req.addr = __pa(sc->request_buffer);
+	req.len  = len;			/* # of bytes to transfer */
+
+	if (sc->request_bufflen < req.len)
+		return;
+
+	stat.fd = desc[sc->target];
+	if (DBG)
+		printk("simscsi_%s @ %lx (off %lx)\n",
+		       mode == SSC_READ ? "read":"write", req.addr, offset);
+	ia64_ssc(stat.fd, 1, __pa(&req), offset, mode);
+	ia64_ssc(__pa(&stat), 0, 0, 0, SSC_WAIT_COMPLETION);
+
+	if (stat.count == req.len) {
+		sc->result = GOOD;
+	} else {
+		sc->result = DID_ERROR << 16;
+	}
+}
+
+static void
+simscsi_sg_readwrite (Scsi_Cmnd *sc, int mode, unsigned long offset)
+{
+	int list_len = sc->use_sg;
+	struct scatterlist *sl = (struct scatterlist *)sc->buffer;
+	struct disk_stat stat;
+	struct disk_req req;
+
+	stat.fd = desc[sc->target];
+
+	while (list_len) {
+		req.addr = __pa(page_address(sl->page) + sl->offset);
+		req.len  = sl->length;
+		if (DBG)
+			printk("simscsi_sg_%s @ %lx (off %lx) use_sg=%d len=%d\n",
+			       mode == SSC_READ ? "read":"write", req.addr, offset,
+			       list_len, sl->length);
+		ia64_ssc(stat.fd, 1, __pa(&req), offset, mode);
+		ia64_ssc(__pa(&stat), 0, 0, 0, SSC_WAIT_COMPLETION);
+
+		/* should not happen in our case */
+		if (stat.count != req.len) {
+			sc->result = DID_ERROR << 16;
+			return;
+		}
+		offset +=  sl->length;
+		sl++;
+		list_len--;
+	}
+	sc->result = GOOD;
+}
+
+/*
+ * function handling both READ_6/WRITE_6 (non-scatter/gather mode)
+ * commands.
+ * Added 02/26/99 S.Eranian
+ */
+static void
+simscsi_readwrite6 (Scsi_Cmnd *sc, int mode)
+{
+	unsigned long offset;
+
+	offset = (((sc->cmnd[1] & 0x1f) << 16) | (sc->cmnd[2] << 8) | sc->cmnd[3])*512;
+	if (sc->use_sg > 0)
+		simscsi_sg_readwrite(sc, mode, offset);
+	else
+		simscsi_readwrite(sc, mode, offset, sc->cmnd[4]*512);
+}
+
+
+static void
+simscsi_readwrite10 (Scsi_Cmnd *sc, int mode)
+{
+	unsigned long offset;
+
+	offset = (  (sc->cmnd[2] << 24) | (sc->cmnd[3] << 16)
+		  | (sc->cmnd[4] <<  8) | (sc->cmnd[5] <<  0))*512;
+	if (sc->use_sg > 0)
+		simscsi_sg_readwrite(sc, mode, offset);
+	else
+		simscsi_readwrite(sc, mode, offset, ((sc->cmnd[7] << 8) | sc->cmnd[8])*512);
+}
+
+int
+simscsi_queuecommand (Scsi_Cmnd *sc, void (*done)(Scsi_Cmnd *))
+{
+	char fname[MAX_ROOT_LEN+16];
+	char *buf;
+#if DEBUG_SIMSCSI
+	register long sp asm ("sp");
+
+	if (DBG)
+		printk("simscsi_queuecommand: target=%d,cmnd=%u,sc=%lu,sp=%lx,done=%p\n",
+		       sc->target, sc->cmnd[0], sc->serial_number, sp, done);
+#endif
+
+	sc->result = DID_BAD_TARGET << 16;
+	sc->scsi_done = done;
+	if (sc->target <= 7 && sc->lun == 0) {
+		switch (sc->cmnd[0]) {
+		      case INQUIRY:
+			if (sc->request_bufflen < 35) {
+				break;
+			}
+			sprintf (fname, "%s%c", simscsi_root, 'a' + sc->target);
+			desc[sc->target] = ia64_ssc (__pa(fname), SSC_READ_ACCESS|SSC_WRITE_ACCESS,
+						     0, 0, SSC_OPEN);
+			if (desc[sc->target] < 0) {
+				/* disk doesn't exist... */
+				break;
+			}
+			buf = sc->request_buffer;
+			buf[0] = 0;	/* magnetic disk */
+			buf[1] = 0;	/* not a removable medium */
+			buf[2] = 2;	/* SCSI-2 compliant device */
+			buf[3] = 2;	/* SCSI-2 response data format */
+			buf[4] = 31;	/* additional length (bytes) */
+			buf[5] = 0;	/* reserved */
+			buf[6] = 0;	/* reserved */
+			buf[7] = 0;	/* various flags */
+			memcpy(buf + 8, "HP      SIMULATED DISK  0.00",  28);
+			sc->result = GOOD;
+			break;
+
+		      case TEST_UNIT_READY:
+			sc->result = GOOD;
+			break;
+
+		      case READ_6:
+			if (desc[sc->target] < 0 )
+				break;
+			simscsi_readwrite6(sc, SSC_READ);
+			break;
+
+		      case READ_10:
+			if (desc[sc->target] < 0 )
+				break;
+			simscsi_readwrite10(sc, SSC_READ);
+			break;
+
+		      case WRITE_6:
+			if (desc[sc->target] < 0)
+				break;
+			simscsi_readwrite6(sc, SSC_WRITE);
+			break;
+
+		      case WRITE_10:
+			if (desc[sc->target] < 0)
+				break;
+			simscsi_readwrite10(sc, SSC_WRITE);
+			break;
+
+
+		      case READ_CAPACITY:
+			if (desc[sc->target] < 0 || sc->request_bufflen < 8) {
+				break;
+			}
+			buf = sc->request_buffer;
+
+			/* pretend to be a 1GB disk (partition table contains real stuff): */
+			buf[0] = 0x00;
+			buf[1] = 0x1f;
+			buf[2] = 0xff;
+			buf[3] = 0xff;
+			/* set block size of 512 bytes: */
+			buf[4] = 0;
+			buf[5] = 0;
+			buf[6] = 2;
+			buf[7] = 0;
+			sc->result = GOOD;
+			break;
+
+		      case MODE_SENSE:
+			printk("MODE_SENSE\n");
+			break;
+
+		      case START_STOP:
+			printk("START_STOP\n");
+			break;
+
+		      default:
+			panic("simscsi: unknown SCSI command %u\n", sc->cmnd[0]);
+		}
+	}
+	if (sc->result == DID_BAD_TARGET) {
+		sc->result |= DRIVER_SENSE << 24;
+		sc->sense_buffer[0] = 0x70;
+		sc->sense_buffer[2] = 0x00;
+	}
+	if (atomic_read(&num_reqs) >= SIMSCSI_REQ_QUEUE_LEN) {
+		panic("Attempt to queue command while command is pending!!");
+	}
+	atomic_inc(&num_reqs);
+	queue[wr].sc = sc;
+	wr = (wr + 1) % SIMSCSI_REQ_QUEUE_LEN;
+
+	tasklet_schedule(&simscsi_tasklet);
+	return 0;
+}
+
+
+static Scsi_Host_Template driver_template = SIMSCSI;
+
+#define __initcall(fn)	late_initcall(fn)
+
+#include "../drivers/scsi/scsi_module.c"

arch/ia64/hp/simscsi.h

+/*
+ * Simulated SCSI driver.
+ *
+ * Copyright (C) 1999 Hewlett-Packard Co
+ *	David Mosberger-Tang <davidm@hpl.hp.com>
+ */
+#ifndef SIMSCSI_H
+#define SIMSCSI_H
+
+#define SIMSCSI_REQ_QUEUE_LEN	64
+
+#define DEFAULT_SIMSCSI_ROOT	"/var/ski-disks/sd"
+
+extern int simscsi_detect (Scsi_Host_Template *);
+extern int simscsi_release (struct Scsi_Host *);
+extern const char *simscsi_info (struct Scsi_Host *);
+extern int simscsi_queuecommand (Scsi_Cmnd *, void (*done)(Scsi_Cmnd *));
+extern int simscsi_abort (Scsi_Cmnd *);
+extern int simscsi_reset (Scsi_Cmnd *, unsigned int);
+extern int simscsi_biosparam (Disk *, kdev_t, int[]);
+
+#define SIMSCSI {					\
+	detect:			simscsi_detect,		\
+	release:		simscsi_release,	\
+	info:			simscsi_info,		\
+	queuecommand:		simscsi_queuecommand,	\
+	abort:			simscsi_abort,		\
+	reset:			simscsi_reset,		\
+	bios_param:		simscsi_biosparam,	\
+	can_queue:		SIMSCSI_REQ_QUEUE_LEN,	\
+	this_id:		-1,			\
+	sg_tablesize:		SG_ALL,			\
+	cmd_per_lun:		SIMSCSI_REQ_QUEUE_LEN,	\
+	present:		0,			\
+	unchecked_isa_dma:	0,			\
+	use_clustering:		DISABLE_CLUSTERING	\
+}
+
+#endif /* SIMSCSI_H */

arch/ia64/kernel/smp.c

@@ -98,7 +98,7 @@ void
 handle_IPI (int irq, void *dev_id, struct pt_regs *regs)
 {
 	int this_cpu = smp_processor_id();
-	unsigned long *pending_ipis = &ipi_operation;
+	unsigned long *pending_ipis = &this_cpu(ipi_operation);
 	unsigned long ops;
 
 	/* Count this now; we may make a call that never returns. */
@@ -158,7 +158,7 @@ handle_IPI (int irq, void *dev_id, struct pt_regs *regs)
 static inline void
 send_IPI_single (int dest_cpu, int op)
 {
-	set_bit(op, &ipi_operation);
+	set_bit(op, &per_cpu(ipi_operation, dest_cpu));
 	platform_send_ipi(dest_cpu, IA64_IPI_VECTOR, IA64_IPI_DM_INT, 0);
 }
 

arch/ia64/kernel/unaligned.c

@@ -1305,11 +1305,7 @@ ia64_handle_unaligned (unsigned long ifa, struct pt_regs *regs)
 	 * handler into reading an arbitrary kernel addresses...
 	 */
 	if (!user_mode(regs)) {
-#ifdef GAS_HAS_LOCAL_TAGS
-		fix = search_exception_table(regs->cr_iip + ia64_psr(regs)->ri);
-#else
-		fix = search_exception_table(regs->cr_iip);
-#endif
+		fix = SEARCH_EXCEPTION_TABLE(regs);
 	}
 	if (user_mode(regs) || fix.cont) {
 		if ((current->thread.flags & IA64_THREAD_UAC_SIGBUS) != 0)

arch/ia64/mm/fault.c

@@ -49,7 +49,6 @@ ia64_do_page_fault (unsigned long address, unsigned long isr, struct pt_regs *re
 	int signal = SIGSEGV, code = SEGV_MAPERR;
 	struct vm_area_struct *vma, *prev_vma;
 	struct mm_struct *mm = current->mm;
-	struct exception_fixup fix;
 	struct siginfo si;
 	unsigned long mask;
 
@@ -167,15 +166,8 @@ ia64_do_page_fault (unsigned long address, unsigned long isr, struct pt_regs *re
 		return;
 	}
 
-#ifdef GAS_HAS_LOCAL_TAGS
-	fix = search_exception_table(regs->cr_iip + ia64_psr(regs)->ri);
-#else
-	fix = search_exception_table(regs->cr_iip);
-#endif
-	if (fix.cont) {
-		handle_exception(regs, fix);
+	if (done_with_exception(regs))
 		return;
-	}
 
 	/*
 	 * Oops. The kernel tried to access some bad page. We'll have to terminate things

arch/ia64/vmlinux.lds.S

@@ -66,6 +66,11 @@ SECTIONS
   machvec_end = .;
 #endif
 
+  __start___ksymtab = .;	/* Kernel symbol table */
+  __ksymtab : AT(ADDR(__ksymtab) - PAGE_OFFSET)
+	{ *(__ksymtab) }
+  __stop___ksymtab = .;
+
   /* Unwind info & table: */
   . = ALIGN(8);
   .IA_64.unwind_info : AT(ADDR(.IA_64.unwind_info) - PAGE_OFFSET)

include/asm-ia64/bitops.h

@@ -9,6 +9,8 @@
  *	    scheduler patch
  */
 
+#include <linux/types.h>
+
 #include <asm/system.h>
 
 /**
@@ -97,7 +99,7 @@ clear_bit (int nr, volatile void *addr)
 static __inline__ void
 __clear_bit (int nr, volatile void *addr)
 {
-	volatile __u32 *p = (__u32 *) addr + (nr >> 5);;
+	volatile __u32 *p = (__u32 *) addr + (nr >> 5);
 	__u32 m = 1 << (nr & 31);
 	*p &= ~m;
 }

include/asm-ia64/mman.h

@@ -9,6 +9,7 @@
 #define PROT_READ	0x1		/* page can be read */
 #define PROT_WRITE	0x2		/* page can be written */
 #define PROT_EXEC	0x4		/* page can be executed */
+#define PROT_SEM	0x8		/* page may be used for atomic ops */
 #define PROT_NONE	0x0		/* page can not be accessed */
 
 #define MAP_SHARED	0x01		/* Share changes */

include/asm-ia64/system.h

@@ -397,7 +397,11 @@ extern void ia64_load_extra (struct task_struct *task);
 } while (0)
 
 #ifdef CONFIG_SMP
-  /*
+
+/* Return true if this CPU can call the console drivers in printk() */
+#define arch_consoles_callable() (cpu_online_map & (1UL << smp_processor_id()))
+
+/*
  * In the SMP case, we save the fph state when context-switching
  * away from a thread that modified fph.  This way, when the thread
  * gets scheduled on another CPU, the CPU can pick up the state from

include/asm-ia64/uaccess.h

@@ -320,4 +320,22 @@ struct exception_fixup {
 extern struct exception_fixup search_exception_table (unsigned long addr);
 extern void handle_exception (struct pt_regs *regs, struct exception_fixup fixup);
 
+#ifdef GAS_HAS_LOCAL_TAGS
+#define SEARCH_EXCEPTION_TABLE(regs) search_exception_table(regs->cr_iip + ia64_psr(regs)->ri);
+#else
+#define SEARCH_EXCEPTION_TABLE(regs) search_exception_table(regs->cr_iip);
+#endif
+
+static inline int
+done_with_exception (struct pt_regs *regs)
+{
+	struct exception_fixup fix;
+	fix = SEARCH_EXCEPTION_TABLE(regs);
+	if (fix.cont) {
+		handle_exception(regs, fix);
+		return 1;
+	}
+	return 0;
+}
+
 #endif /* _ASM_IA64_UACCESS_H */