19 files changed, 56 insertions, 147 deletions
diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
index bc7a19da624..a7d4fd353c2 100644
--- a/arch/parisc/Kconfig
+++ b/arch/parisc/Kconfig
@@ -199,6 +199,7 @@ endchoice
 
 config SMP
 	bool "Symmetric multi-processing support"
+	select USE_GENERIC_SMP_HELPERS
 	---help---
 	  This enables support for systems with more than one CPU. If you have
 	  a system with only one CPU, like most personal computers, say N. If
diff --git a/arch/parisc/hpux/gate.S b/arch/parisc/hpux/gate.S
index f0b18ce8984..38a1c1b8d4e 100644
--- a/arch/parisc/hpux/gate.S
+++ b/arch/parisc/hpux/gate.S
@@ -13,10 +13,9 @@
 #include <asm/unistd.h>
 #include <asm/errno.h>
 #include <linux/linkage.h>
-#include <linux/init.h>
 
 	.level	LEVEL
-	__HEAD
+	.text
 
 	.import hpux_call_table
 	.import hpux_syscall_exit,code
diff --git a/arch/parisc/hpux/wrappers.S b/arch/parisc/hpux/wrappers.S
index ccd3a50c099..58c53c879c0 100644
--- a/arch/parisc/hpux/wrappers.S
+++ b/arch/parisc/hpux/wrappers.S
@@ -28,10 +28,9 @@
 #include <asm/assembly.h>
 #include <asm/signal.h>
 #include <linux/linkage.h>
-#include <linux/init.h>
 
 	.level	LEVEL
-	__HEAD
+	.text
 
 	/* These should probably go in a header file somewhere.
 	 * They are duplicated in kernel/wrappers.S
diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c
index e10d25d2d9c..5259d8c2067 100644
--- a/arch/parisc/kernel/cache.c
+++ b/arch/parisc/kernel/cache.c
@@ -51,12 +51,12 @@ static struct pdc_btlb_info btlb_info __read_mostly;
 void
 flush_data_cache(void)
 {
-	on_each_cpu(flush_data_cache_local, NULL, 1, 1);
+	on_each_cpu(flush_data_cache_local, NULL, 1);
 }
 void 
 flush_instruction_cache(void)
 {
-	on_each_cpu(flush_instruction_cache_local, NULL, 1, 1);
+	on_each_cpu(flush_instruction_cache_local, NULL, 1);
 }
 #endif
 
@@ -515,7 +515,7 @@ static void cacheflush_h_tmp_function(void *dummy)
 
 void flush_cache_all(void)
 {
-	on_each_cpu(cacheflush_h_tmp_function, NULL, 1, 1);
+	on_each_cpu(cacheflush_h_tmp_function, NULL, 1);
 }
 
 void flush_cache_mm(struct mm_struct *mm)
diff --git a/arch/parisc/kernel/entry.S b/arch/parisc/kernel/entry.S
index 5d0837458c1..d1fa4edd2d8 100644
--- a/arch/parisc/kernel/entry.S
+++ b/arch/parisc/kernel/entry.S
@@ -38,7 +38,6 @@
 #include <asm/thread_info.h>
 
 #include <linux/linkage.h>
-#include <linux/init.h>
 
 #ifdef CONFIG_64BIT
 	.level 2.0w
@@ -622,7 +621,7 @@
 	 * the static part of the kernel address space.
 	 */
 
-	__HEAD
+	.text
 
 	.align	PAGE_SIZE
 
diff --git a/arch/parisc/kernel/head.S b/arch/parisc/kernel/head.S
index 5680a2c3b13..a84e31e8287 100644
--- a/arch/parisc/kernel/head.S
+++ b/arch/parisc/kernel/head.S
@@ -33,6 +33,7 @@ ENTRY(boot_args)
 END(boot_args)
 
 	__HEAD
+
 	.align	4
 	.import init_thread_union,data
 	.import fault_vector_20,code    /* IVA parisc 2.0 32 bit */
diff --git a/arch/parisc/kernel/hpmc.S b/arch/parisc/kernel/hpmc.S
index 068322eb8c9..2cbf13b3ef1 100644
--- a/arch/parisc/kernel/hpmc.S
+++ b/arch/parisc/kernel/hpmc.S
@@ -47,7 +47,6 @@
 #include <asm/pdc.h>
 
 #include <linux/linkage.h>
-#include <linux/init.h>
 
 	/*
 	 * stack for os_hpmc, the HPMC handler.
@@ -77,7 +76,7 @@ ENTRY(hpmc_pim_data)
 	.block HPMC_PIM_DATA_SIZE
 END(hpmc_pim_data)
 
-	__HEAD
+	.text
 
 	.import intr_save, code
 ENTRY(os_hpmc)
diff --git a/arch/parisc/kernel/pacache.S b/arch/parisc/kernel/pacache.S
index e3246a5ca74..09b77b2553c 100644
--- a/arch/parisc/kernel/pacache.S
+++ b/arch/parisc/kernel/pacache.S
@@ -37,9 +37,8 @@
 #include <asm/pgtable.h>
 #include <asm/cache.h>
 #include <linux/linkage.h>
-#include <linux/init.h>
 
-	__HEAD
+	.text
 	.align	128
 
 ENTRY(flush_tlb_all_local)
diff --git a/arch/parisc/kernel/parisc_ksyms.c b/arch/parisc/kernel/parisc_ksyms.c
index 5b7fc4aa044..0eecfbbc59c 100644
--- a/arch/parisc/kernel/parisc_ksyms.c
+++ b/arch/parisc/kernel/parisc_ksyms.c
@@ -152,3 +152,6 @@ EXPORT_SYMBOL($$dyncall);
 EXPORT_SYMBOL(node_data);
 EXPORT_SYMBOL(pfnnid_map);
 #endif
+
+/* from pacache.S -- needed for copy_page */
+EXPORT_SYMBOL(copy_user_page_asm);
diff --git a/arch/parisc/kernel/perf.c b/arch/parisc/kernel/perf.c
index 89d6d5ad44b..f696f57faa1 100644
--- a/arch/parisc/kernel/perf.c
+++ b/arch/parisc/kernel/perf.c
@@ -46,6 +46,7 @@
 #include <linux/init.h>
 #include <linux/proc_fs.h>
 #include <linux/miscdevice.h>
+#include <linux/smp_lock.h>
 #include <linux/spinlock.h>
 
 #include <asm/uaccess.h>
@@ -260,13 +261,16 @@ printk("Preparing to start counters\n");
  */
 static int perf_open(struct inode *inode, struct file *file)
 {
+	lock_kernel();
 	spin_lock(&perf_lock);
 	if (perf_enabled) {
 		spin_unlock(&perf_lock);
+		unlock_kernel();
 		return -EBUSY;
 	}
 	perf_enabled = 1;
  	spin_unlock(&perf_lock);
+	unlock_kernel();
 
 	return 0;
 }
diff --git a/arch/parisc/kernel/perf_asm.S b/arch/parisc/kernel/perf_asm.S
index d411dfb5b6d..fa6ea99bb32 100644
--- a/arch/parisc/kernel/perf_asm.S
+++ b/arch/parisc/kernel/perf_asm.S
@@ -43,7 +43,7 @@
 ; The coprocessor only needs to be enabled when
 ; starting/stopping the coprocessor with the pmenb/pmdis.
 ;
-	__HEAD
+	.text
 
 ENTRY(perf_intrigue_enable_perf_counters)
 	.proc
diff --git a/arch/parisc/kernel/real2.S b/arch/parisc/kernel/real2.S
index 47fbdae6efd..7a92695d95a 100644
--- a/arch/parisc/kernel/real2.S
+++ b/arch/parisc/kernel/real2.S
@@ -12,7 +12,6 @@
 #include <asm/assembly.h>
 
 #include <linux/linkage.h>
-#include <linux/init.h>
 
 	.section	.bss
 	.export real_stack
@@ -40,7 +39,7 @@ save_cr_end:
 /************************ 32-bit real-mode calls ***********************/
 /* This can be called in both narrow and wide kernels */
 
-	__HEAD
+	.text
 
 	/* unsigned long real32_call_asm(unsigned int *sp,
 	 *		unsigned int *arg0p,
@@ -114,7 +113,7 @@ ENDPROC(real32_call_asm)
 #  define PUSH_CR(r, where) mfctl r, %r1 ! STREG,ma %r1, REG_SZ(where)
 #  define POP_CR(r, where) LDREG,mb -REG_SZ(where), %r1 ! mtctl %r1, r
 
-	__HEAD
+	.text
 save_control_regs:
 	load32	PA(save_cr_space), %r28
 	PUSH_CR(%cr24, %r28)
@@ -146,7 +145,7 @@ restore_control_regs:
 /* rfi_virt2real() and rfi_real2virt() could perhaps be adapted for
  * more general-purpose use by the several places which need RFIs
  */
-	__HEAD
+	.text
 	.align 128
 rfi_virt2real:
 	/* switch to real mode... */
@@ -181,7 +180,7 @@ rfi_v2r_1:
 	bv	0(%r2)
 	nop
 
-	__HEAD
+	.text
 	.align 128
 rfi_real2virt:
 	rsm		PSW_SM_I,%r0
@@ -219,7 +218,7 @@ rfi_r2v_1:
 
 /************************ 64-bit real-mode calls ***********************/
 /* This is only usable in wide kernels right now and will probably stay so */
-	__HEAD
+	.text
 	/* unsigned long real64_call_asm(unsigned long *sp,
 	 *		unsigned long *arg0p,
 	 *		unsigned long fn)
@@ -277,7 +276,7 @@ ENDPROC(real64_call_asm)
 
 #endif
 
-	__HEAD
+	.text
 	/* http://lists.parisc-linux.org/hypermail/parisc-linux/10916.html
 	**	GCC 3.3 and later has a new function in libgcc.a for
 	**	comparing function pointers.
diff --git a/arch/parisc/kernel/signal32.c b/arch/parisc/kernel/signal32.c
index db94affe5c7..fb59852006d 100644
--- a/arch/parisc/kernel/signal32.c
+++ b/arch/parisc/kernel/signal32.c
@@ -289,7 +289,7 @@ setup_sigcontext32(struct compat_sigcontext __user *sc, struct compat_regfile __
 				&sc->sc_iaoq[0], compat_reg);
 		
 		/* Store upper half */
-		compat_reg = (compat_uint_t)(regs->gr[32] >> 32);
+		compat_reg = (compat_uint_t)(regs->gr[31] >> 32);
 		err |= __put_user(compat_reg, &rf->rf_iaoq[0]);
 		DBG(2,"setup_sigcontext32: upper half iaoq[0] = %#x\n", compat_reg);
 		
@@ -299,7 +299,7 @@ setup_sigcontext32(struct compat_sigcontext __user *sc, struct compat_regfile __
 		DBG(2,"setup_sigcontext32: sc->sc_iaoq[1] = %p <= %#x\n",
 				&sc->sc_iaoq[1], compat_reg);
 		/* Store upper half */
-		compat_reg = (compat_uint_t)((regs->gr[32]+4) >> 32);
+		compat_reg = (compat_uint_t)((regs->gr[31]+4) >> 32);
 		err |= __put_user(compat_reg, &rf->rf_iaoq[1]);
 		DBG(2,"setup_sigcontext32: upper half iaoq[1] = %#x\n", compat_reg);
 		
diff --git a/arch/parisc/kernel/smp.c b/arch/parisc/kernel/smp.c
index 85fc7754ec2..d47f3975c9c 100644
--- a/arch/parisc/kernel/smp.c
+++ b/arch/parisc/kernel/smp.c
@@ -84,19 +84,11 @@ EXPORT_SYMBOL(cpu_possible_map);
 
 DEFINE_PER_CPU(spinlock_t, ipi_lock) = SPIN_LOCK_UNLOCKED;
 
-struct smp_call_struct {
-	void (*func) (void *info);
-	void *info;
-	long wait;
-	atomic_t unstarted_count;
-	atomic_t unfinished_count;
-};
-static volatile struct smp_call_struct *smp_call_function_data;
-
 enum ipi_message_type {
 	IPI_NOP=0,
 	IPI_RESCHEDULE=1,
 	IPI_CALL_FUNC,
+	IPI_CALL_FUNC_SINGLE,
 	IPI_CPU_START,
 	IPI_CPU_STOP,
 	IPI_CPU_TEST
@@ -187,33 +179,12 @@ ipi_interrupt(int irq, void *dev_id)
 
 			case IPI_CALL_FUNC:
 				smp_debug(100, KERN_DEBUG "CPU%d IPI_CALL_FUNC\n", this_cpu);
-				{
-					volatile struct smp_call_struct *data;
-					void (*func)(void *info);
-					void *info;
-					int wait;
-
-					data = smp_call_function_data;
-					func = data->func;
-					info = data->info;
-					wait = data->wait;
-
-					mb();
-					atomic_dec ((atomic_t *)&data->unstarted_count);
-
-					/* At this point, *data can't
-					 * be relied upon.
-					 */
-
-					(*func)(info);
-
-					/* Notify the sending CPU that the
-					 * task is done.
-					 */
-					mb();
-					if (wait)
-						atomic_dec ((atomic_t *)&data->unfinished_count);
-				}
+				generic_smp_call_function_interrupt();
+				break;
+
+			case IPI_CALL_FUNC_SINGLE:
+				smp_debug(100, KERN_DEBUG "CPU%d IPI_CALL_FUNC_SINGLE\n", this_cpu);
+				generic_smp_call_function_single_interrupt();
 				break;
 
 			case IPI_CPU_START:
@@ -256,6 +227,14 @@ ipi_send(int cpu, enum ipi_message_type op)
 	spin_unlock_irqrestore(lock, flags);
 }
 
+static void
+send_IPI_mask(cpumask_t mask, enum ipi_message_type op)
+{
+	int cpu;
+
+	for_each_cpu_mask(cpu, mask)
+		ipi_send(cpu, op);
+}
 
 static inline void
 send_IPI_single(int dest_cpu, enum ipi_message_type op)
@@ -295,86 +274,15 @@ smp_send_all_nop(void)
 	send_IPI_allbutself(IPI_NOP);
 }
 
-
-/**
- * Run a function on all other CPUs.
- *  <func>	The function to run. This must be fast and non-blocking.
- *  <info>	An arbitrary pointer to pass to the function.
- *  <retry>	If true, keep retrying until ready.
- *  <wait>	If true, wait until function has completed on other CPUs.
- *  [RETURNS]   0 on success, else a negative status code.
- *
- * Does not return until remote CPUs are nearly ready to execute <func>
- * or have executed.
- */
-
-int
-smp_call_function (void (*func) (void *info), void *info, int retry, int wait)
+void arch_send_call_function_ipi(cpumask_t mask)
 {
-	struct smp_call_struct data;
-	unsigned long timeout;
-	static DEFINE_SPINLOCK(lock);
-	int retries = 0;
-
-	if (num_online_cpus() < 2)
-		return 0;
-
-	/* Can deadlock when called with interrupts disabled */
-	WARN_ON(irqs_disabled());
-
-	/* can also deadlock if IPIs are disabled */
-	WARN_ON((get_eiem() & (1UL<<(CPU_IRQ_MAX - IPI_IRQ))) == 0);
-
-	
-	data.func = func;
-	data.info = info;
-	data.wait = wait;
-	atomic_set(&data.unstarted_count, num_online_cpus() - 1);
-	atomic_set(&data.unfinished_count, num_online_cpus() - 1);
-
-	if (retry) {
-		spin_lock (&lock);
-		while (smp_call_function_data != 0)
-			barrier();
-	}
-	else {
-		spin_lock (&lock);
-		if (smp_call_function_data) {
-			spin_unlock (&lock);
-			return -EBUSY;
-		}
-	}
-
-	smp_call_function_data = &data;
-	spin_unlock (&lock);
-	
-	/*  Send a message to all other CPUs and wait for them to respond  */
-	send_IPI_allbutself(IPI_CALL_FUNC);
-
- retry:
-	/*  Wait for response  */
-	timeout = jiffies + HZ;
-	while ( (atomic_read (&data.unstarted_count) > 0) &&
-		time_before (jiffies, timeout) )
-		barrier ();
-
-	if (atomic_read (&data.unstarted_count) > 0) {
-		printk(KERN_CRIT "SMP CALL FUNCTION TIMED OUT! (cpu=%d), try %d\n",
-		      smp_processor_id(), ++retries);
-		goto retry;
-	}
-	/* We either got one or timed out. Release the lock */
-
-	mb();
-	smp_call_function_data = NULL;
-
-	while (wait && atomic_read (&data.unfinished_count) > 0)
-			barrier ();
-
-	return 0;
+	send_IPI_mask(mask, IPI_CALL_FUNC);
 }
 
-EXPORT_SYMBOL(smp_call_function);
+void arch_send_call_function_single_ipi(int cpu)
+{
+	send_IPI_single(cpu, IPI_CALL_FUNC_SINGLE);
+}
 
 /*
  * Flush all other CPU's tlb and then mine.  Do this with on_each_cpu()
@@ -384,7 +292,7 @@ EXPORT_SYMBOL(smp_call_function);
 void
 smp_flush_tlb_all(void)
 {
-	on_each_cpu(flush_tlb_all_local, NULL, 1, 1);
+	on_each_cpu(flush_tlb_all_local, NULL, 1);
 }
 
 /*
diff --git a/arch/parisc/kernel/syscall.S b/arch/parisc/kernel/syscall.S
index ae509d8cd03..69b6eebc466 100644
--- a/arch/parisc/kernel/syscall.S
+++ b/arch/parisc/kernel/syscall.S
@@ -17,7 +17,6 @@
 #include <asm/processor.h>
 
 #include <linux/linkage.h>
-#include <linux/init.h>
 
 	/* We fill the empty parts of the gateway page with
  	 * something that will kill the kernel or a
@@ -27,7 +26,7 @@
 
 	.level          LEVEL
 
-	__HEAD
+	.text
 
 	.import syscall_exit,code
 	.import syscall_exit_rfi,code
@@ -637,7 +636,7 @@ END(sys_call_table64)
 		All light-weight-syscall atomic operations 
 		will use this set of locks 
 	*/
-	.section .data, "aw"
+	.section .data
 	.align	PAGE_SIZE
 ENTRY(lws_lock_start)
 	/* lws locks */
diff --git a/arch/parisc/kernel/vmlinux.lds.S b/arch/parisc/kernel/vmlinux.lds.S
index 50b4a3a25d0..1a3b6ccd362 100644
--- a/arch/parisc/kernel/vmlinux.lds.S
+++ b/arch/parisc/kernel/vmlinux.lds.S
@@ -50,6 +50,7 @@ SECTIONS
 
 	_text = .;		/* Text and read-only data */
 	.text ALIGN(16) : {
+		HEAD_TEXT
 		TEXT_TEXT
 		SCHED_TEXT
 		LOCK_TEXT
@@ -66,7 +67,6 @@ SECTIONS
 	_etext = .;
 
 	RODATA
-	BUG_TABLE
 
 	/* writeable */
 	/* Make sure this is page aligned so
diff --git a/arch/parisc/lib/fixup.S b/arch/parisc/lib/fixup.S
index 4821ad6d526..d172d4245cd 100644
--- a/arch/parisc/lib/fixup.S
+++ b/arch/parisc/lib/fixup.S
@@ -23,7 +23,6 @@
 #include <asm/assembly.h>
 #include <asm/errno.h>
 #include <linux/linkage.h>
-#include <linux/init.h>
 
 #ifdef CONFIG_SMP
 	.macro  get_fault_ip t1 t2
@@ -56,7 +55,7 @@
 
 	.level LEVEL
 
-	__HEAD
+	.text
 	.section .fixup, "ax"
 
 	/* get_user() fixups, store -EFAULT in r8, and 0 in r9 */
diff --git a/arch/parisc/lib/lusercopy.S b/arch/parisc/lib/lusercopy.S
index b0d88535084..1bd23ccec17 100644
--- a/arch/parisc/lib/lusercopy.S
+++ b/arch/parisc/lib/lusercopy.S
@@ -33,12 +33,11 @@
  */
 
 
+	.text
+	
 #include <asm/assembly.h>
 #include <asm/errno.h>
 #include <linux/linkage.h>
-#include <linux/init.h>
-
-	__HEAD
 
 	/*
 	 * get_sr gets the appropriate space value into
diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c
index 78fe252b92c..b4d6c8777ed 100644
--- a/arch/parisc/mm/init.c
+++ b/arch/parisc/mm/init.c
@@ -547,6 +547,7 @@ void __init mem_init(void)
 }
 
 unsigned long *empty_zero_page __read_mostly;
+EXPORT_SYMBOL(empty_zero_page);
 
 void show_mem(void)
 {
@@ -1052,7 +1053,7 @@ void flush_tlb_all(void)
 	    do_recycle++;
 	}
 	spin_unlock(&sid_lock);
-	on_each_cpu(flush_tlb_all_local, NULL, 1, 1);
+	on_each_cpu(flush_tlb_all_local, NULL, 1);
 	if (do_recycle) {
 	    spin_lock(&sid_lock);
 	    recycle_sids(recycle_ndirty,recycle_dirty_array);