Merge master.kernel.org:/pub/scm/linux/kernel/git/kyle/parisc-2.6

* master.kernel.org:/pub/scm/linux/kernel/git/kyle/parisc-2.6: (30 commits)
  [PARISC] remove global_ack_eiem
  [PARISC] Fix kernel panic in check_ivt
  [PARISC] Fix bug when syscall nr is __NR_Linux_syscalls
  [PARISC] be more defensive in process.c::get_wchan
  [PARISC] fix "reduce size of task_struct on 64-bit machines" fallout
  [PARISC] fix null ptr deref in unwind.c
  [PARISC] fix trivial spelling nit in asm/linkage.h
  [PARISC] remove remnants of parisc-specific softirq code
  [PARISC] fix section mismatch in smp.c
  [PARISC] fix "ENTRY" macro redefinition
  [PARISC] Wire up utimensat/signalfd/timerfd/eventfd syscalls
  [PARISC] fix section mismatch in superio serial drivers
  [PARISC] fix section mismatch in parisc eisa driver
  [PARISC] fix section mismatches in arch/parisc/kernel
  [PARISC] fix section mismatch in ccio-dma
  [PARISC] fix section mismatch in parisc STI video drivers
  [PARISC] fix section mismatch in parport_gsc
  [PARISC] fix lasi_82596 build
  [PARISC] Build fixes for power.c
  [PARISC] kobject is embedded in subsys, not kset
  ...

arch/parisc/hpux/fs.c

@@ -21,6 +21,7 @@
  *    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
+#include <linux/kernel.h>
 #include <linux/mm.h>
 #include <linux/sched.h>
 #include <linux/file.h>
@@ -69,15 +70,14 @@ struct getdents_callback {
 };
 
 #define NAME_OFFSET(de) ((int) ((de)->d_name - (char __user *) (de)))
-#define ROUND_UP(x) (((x)+sizeof(long)-1) & ~(sizeof(long)-1))
 
 static int filldir(void * __buf, const char * name, int namlen, loff_t offset,
 		u64 ino, unsigned d_type)
 {
 	struct hpux_dirent __user * dirent;
 	struct getdents_callback * buf = (struct getdents_callback *) __buf;
 	ino_t d_ino;
-	int reclen = ROUND_UP(NAME_OFFSET(dirent) + namlen + 1);
+	int reclen = ALIGN(NAME_OFFSET(dirent) + namlen + 1, sizeof(long));
 
 	buf->error = -EINVAL;	/* only used if we fail.. */
 	if (reclen > buf->count)
@@ -102,7 +102,6 @@ static int filldir(void * __buf, const char * name, int namlen, loff_t offset,
 }
 
 #undef NAME_OFFSET
-#undef ROUND_UP
 
 int hpux_getdents(unsigned int fd, struct hpux_dirent __user *dirent, unsigned int count)
 {

arch/parisc/kernel/entry.S

@@ -954,21 +954,6 @@ intr_return:
 	/* NOTE: Need to enable interrupts incase we schedule. */
 	ssm     PSW_SM_I, %r0
 
-	/* Check for software interrupts */
-
-	.import irq_stat,data
-
-	load32	irq_stat,%r19
-#ifdef CONFIG_SMP
-	mfctl   %cr30,%r1
-	ldw	TI_CPU(%r1),%r1 /* get cpu # - int */
-	/* shift left ____cacheline_aligned (aka L1_CACHE_BYTES) amount
-	** irq_stat[] is defined using ____cacheline_aligned.
-	*/
-	SHLREG	%r1,L1_CACHE_SHIFT,%r20
-	add     %r19,%r20,%r19	/* now have &irq_stat[smp_processor_id()] */
-#endif /* CONFIG_SMP */
-
 intr_check_resched:
 
 	/* check for reschedule */
@@ -2034,10 +2019,9 @@ ENTRY(syscall_exit)
 	STREG     %r28,TASK_PT_GR28(%r1)
 
 #ifdef CONFIG_HPUX
-
 /* <linux/personality.h> cannot be easily included */
 #define PER_HPUX 0x10
-	LDREG     TASK_PERSONALITY(%r1),%r19
+	ldw	TASK_PERSONALITY(%r1),%r19
 
 	/* We can't use "CMPIB<> PER_HPUX" since "im5" field is sign extended */
 	ldo	  -PER_HPUX(%r19), %r19
@@ -2055,24 +2039,6 @@ ENTRY(syscall_exit)
 	 */
 	loadgp
 
-syscall_check_bh:
-
-	/* Check for software interrupts */
-
-	.import irq_stat,data
-
-	load32	irq_stat,%r19
-
-#ifdef CONFIG_SMP
-	/* sched.h: int processor */
-	/* %r26 is used as scratch register to index into irq_stat[] */
-	ldw     TI_CPU-THREAD_SZ_ALGN-FRAME_SIZE(%r30),%r26 /* cpu # */
-
-	/* shift left ____cacheline_aligned (aka L1_CACHE_BYTES) bits */
-	SHLREG	%r26,L1_CACHE_SHIFT,%r20
-	add     %r19,%r20,%r19	/* now have &irq_stat[smp_processor_id()] */
-#endif /* CONFIG_SMP */
-
 syscall_check_resched:
 
 	/* check for reschedule */
@@ -2114,7 +2080,7 @@ syscall_restore:
 	/* Are we being ptraced? */
 	LDREG	TI_TASK-THREAD_SZ_ALGN-FRAME_SIZE(%r30),%r1
 
-	LDREG	TASK_PTRACE(%r1), %r19
+	ldw	TASK_PTRACE(%r1), %r19
 	bb,<	%r19,31,syscall_restore_rfi
 	nop
 
@@ -2244,7 +2210,7 @@ syscall_do_resched:
 #else
 	nop
 #endif
-	b       syscall_check_bh  /* if resched, we start over again */
+	b	syscall_check_resched	/* if resched, we start over again */
 	nop
 ENDPROC(syscall_exit)
 

arch/parisc/kernel/firmware.c

@@ -634,7 +634,7 @@ EXPORT_SYMBOL(pdc_lan_station_id);
  * pdc_stable_read - Read data from Stable Storage.
  * @staddr: Stable Storage address to access.
  * @memaddr: The memory address where Stable Storage data shall be copied.
- * @count: number of bytes to transfert. count is multiple of 4.
+ * @count: number of bytes to transfer. count is multiple of 4.
  *
  * This PDC call reads from the Stable Storage address supplied in staddr
  * and copies count bytes to the memory address memaddr.
@@ -660,7 +660,7 @@ EXPORT_SYMBOL(pdc_stable_read);
  * pdc_stable_write - Write data to Stable Storage.
  * @staddr: Stable Storage address to access.
  * @memaddr: The memory address where Stable Storage data shall be read from.
- * @count: number of bytes to transfert. count is multiple of 4.
+ * @count: number of bytes to transfer. count is multiple of 4.
  *
  * This PDC call reads count bytes from the supplied memaddr address,
  * and copies count bytes to the Stable Storage address staddr.

arch/parisc/kernel/hardware.c

@@ -38,7 +38,7 @@
  *	so don't reference this table after starting the init process
  */
 
-static struct hp_hardware hp_hardware_list[] __initdata = {
+static struct hp_hardware hp_hardware_list[] __devinitdata = {
 	{HPHW_NPROC,0x01,0x4,0x0,"Indigo (840, 930)"},
 	{HPHW_NPROC,0x8,0x4,0x01,"Firefox(825,925)"},
 	{HPHW_NPROC,0xA,0x4,0x01,"Top Gun (835,834,935,635)"},
@@ -1219,7 +1219,7 @@ static struct hp_cpu_type_mask {
 	unsigned short model;
 	unsigned short mask;
 	enum cpu_type cpu;
-} hp_cpu_type_mask_list[] __initdata = {
+} hp_cpu_type_mask_list[] __devinitdata = {
 
 	{ 0x0000, 0x0ff0, pcx    },  /* 0x0000 - 0x000f */
 	{ 0x0048, 0x0ff0, pcxl   },  /* 0x0040 - 0x004f */
@@ -1296,10 +1296,11 @@ static struct hp_cpu_type_mask {
 	{ 0x05f0, 0x0ff0, pcxw2  },  /* 0x05f0 - 0x05ff */
 	{ 0x0600, 0x0fe0, pcxl   },  /* 0x0600 - 0x061f */
 	{ 0x0880, 0x0ff0, mako   },  /* 0x0880 - 0x088f */
+	{ 0x0890, 0x0ff0, mako2  },  /* 0x0890 - 0x089f */
 	{ 0x0000, 0x0000, pcx    }	/* terminate table */
 };
 
-char *cpu_name_version[][2] = {
+const char * const cpu_name_version[][2] = {
 	[pcx]	= { "PA7000 (PCX)",	"1.0" },
 	[pcxs]	= { "PA7000 (PCX-S)",	"1.1a" },
 	[pcxt]	= { "PA7100 (PCX-T)",	"1.1b" },
@@ -1311,10 +1312,11 @@ char *cpu_name_version[][2] = {
 	[pcxw]	= { "PA8500 (PCX-W)",	"2.0" },
 	[pcxw_]	= { "PA8600 (PCX-W+)",	"2.0" },
 	[pcxw2]	= { "PA8700 (PCX-W2)",	"2.0" },
-	[mako]	= { "PA8800 (Mako)",	"2.0" }
+	[mako]	= { "PA8800 (Mako)",	"2.0" },
+	[mako2] = { "PA8900 (Shortfin)",	"2.0" }
 };
 
-const char * __init
+const char * __devinit
 parisc_hardware_description(struct parisc_device_id *id)
 {
 	struct hp_hardware *listptr;
@@ -1353,7 +1355,7 @@ parisc_hardware_description(struct parisc_device_id *id)
 
 
 /* Interpret hversion (ret[0]) from PDC_MODEL(4)/PDC_MODEL_INFO(0) */
-enum cpu_type __init
+enum cpu_type __cpuinit
 parisc_get_cpu_type(unsigned long hversion)
 {
 	struct hp_cpu_type_mask *ptr;

arch/parisc/kernel/hpmc.S

@@ -295,8 +295,5 @@ os_hpmc_6:
 	b .
 	nop
 ENDPROC(os_hpmc)
-
-	/* this label used to compute os_hpmc checksum */
-ENTRY(os_hpmc_end)
-
+ENTRY(os_hpmc_end)	/* this label used to compute os_hpmc checksum */
 	nop

arch/parisc/kernel/irq.c

@@ -46,14 +46,10 @@ extern irqreturn_t ipi_interrupt(int, void *);
 static volatile unsigned long cpu_eiem = 0;
 
 /*
-** ack bitmap ... habitually set to 1, but reset to zero
+** local ACK bitmap ... habitually set to 1, but reset to zero
 ** between ->ack() and ->end() of the interrupt to prevent
 ** re-interruption of a processing interrupt.
 */
-static volatile unsigned long global_ack_eiem = ~0UL;
-/*
-** Local bitmap, same as above but for per-cpu interrupts
-*/
 static DEFINE_PER_CPU(unsigned long, local_ack_eiem) = ~0UL;
 
 static void cpu_disable_irq(unsigned int irq)
@@ -94,13 +90,11 @@ void cpu_ack_irq(unsigned int irq)
 	int cpu = smp_processor_id();
 
 	/* Clear in EIEM so we can no longer process */
-	if (CHECK_IRQ_PER_CPU(irq_desc[irq].status))
-		per_cpu(local_ack_eiem, cpu) &= ~mask;
-	else
-		global_ack_eiem &= ~mask;
+	per_cpu(local_ack_eiem, cpu) &= ~mask;
 
 	/* disable the interrupt */
-	set_eiem(cpu_eiem & global_ack_eiem & per_cpu(local_ack_eiem, cpu));
+	set_eiem(cpu_eiem & per_cpu(local_ack_eiem, cpu));
+
 	/* and now ack it */
 	mtctl(mask, 23);
 }
@@ -111,13 +105,10 @@ void cpu_end_irq(unsigned int irq)
 	int cpu = smp_processor_id();
 
 	/* set it in the eiems---it's no longer in process */
-	if (CHECK_IRQ_PER_CPU(irq_desc[irq].status))
-		per_cpu(local_ack_eiem, cpu) |= mask;
-	else
-		global_ack_eiem |= mask;
+	per_cpu(local_ack_eiem, cpu) |= mask;
 
 	/* enable the interrupt */
-	set_eiem(cpu_eiem & global_ack_eiem & per_cpu(local_ack_eiem, cpu));
+	set_eiem(cpu_eiem & per_cpu(local_ack_eiem, cpu));
 }
 
 #ifdef CONFIG_SMP
@@ -354,8 +345,7 @@ void do_cpu_irq_mask(struct pt_regs *regs)
 	local_irq_disable();
 	irq_enter();
 
-	eirr_val = mfctl(23) & cpu_eiem & global_ack_eiem &
-		per_cpu(local_ack_eiem, cpu);
+	eirr_val = mfctl(23) & cpu_eiem & per_cpu(local_ack_eiem, cpu);
 	if (!eirr_val)
 		goto set_out;
 	irq = eirr_to_irq(eirr_val);
@@ -381,7 +371,7 @@ void do_cpu_irq_mask(struct pt_regs *regs)
 	return;
 
  set_out:
-	set_eiem(cpu_eiem & global_ack_eiem & per_cpu(local_ack_eiem, cpu));
+	set_eiem(cpu_eiem & per_cpu(local_ack_eiem, cpu));
 	goto out;
 }
 

arch/parisc/kernel/pci-dma.c

@@ -21,6 +21,7 @@
 #include <linux/mm.h>
 #include <linux/pci.h>
 #include <linux/proc_fs.h>
+#include <linux/seq_file.h>
 #include <linux/slab.h>
 #include <linux/string.h>
 #include <linux/types.h>
@@ -34,7 +35,6 @@
 #include <asm/tlbflush.h>	/* for purge_tlb_*() macros */
 
 static struct proc_dir_entry * proc_gsc_root __read_mostly = NULL;
-static int pcxl_proc_info(char *buffer, char **start, off_t offset, int length);
 static unsigned long pcxl_used_bytes __read_mostly = 0;
 static unsigned long pcxl_used_pages __read_mostly = 0;
 
@@ -330,6 +330,54 @@ pcxl_free_range(unsigned long vaddr, size_t size)
 	dump_resmap();
 }
 
+static int proc_pcxl_dma_show(struct seq_file *m, void *v)
+{
+#if 0
+	u_long i = 0;
+	unsigned long *res_ptr = (u_long *)pcxl_res_map;
+#endif
+	unsigned long total_pages = pcxl_res_size << 3;   /* 8 bits per byte */
+
+	seq_printf(m, "\nDMA Mapping Area size    : %d bytes (%ld pages)\n",
+		PCXL_DMA_MAP_SIZE, total_pages);
+
+	seq_printf(m, "Resource bitmap : %d bytes\n", pcxl_res_size);
+
+	seq_puts(m,  "     	  total:    free:    used:   % used:\n");
+	seq_printf(m, "blocks  %8d %8ld %8ld %8ld%%\n", pcxl_res_size,
+		pcxl_res_size - pcxl_used_bytes, pcxl_used_bytes,
+		(pcxl_used_bytes * 100) / pcxl_res_size);
+
+	seq_printf(m, "pages   %8ld %8ld %8ld %8ld%%\n", total_pages,
+		total_pages - pcxl_used_pages, pcxl_used_pages,
+		(pcxl_used_pages * 100 / total_pages));
+
+#if 0
+	seq_puts(m, "\nResource bitmap:");
+
+	for(; i < (pcxl_res_size / sizeof(u_long)); ++i, ++res_ptr) {
+		if ((i & 7) == 0)
+		    seq_puts(m,"\n   ");
+		seq_printf(m, "%s %08lx", buf, *res_ptr);
+	}
+#endif
+	seq_putc(m, '\n');
+	return 0;
+}
+
+static int proc_pcxl_dma_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, proc_pcxl_dma_show, NULL);
+}
+
+static const struct file_operations proc_pcxl_dma_ops = {
+	.owner		= THIS_MODULE,
+	.open		= proc_pcxl_dma_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+};
+
 static int __init
 pcxl_dma_init(void)
 {
@@ -348,9 +396,10 @@ pcxl_dma_init(void)
 			"pcxl_dma_init: Unable to create gsc /proc dir entry\n");
 	else {
 		struct proc_dir_entry* ent;
-		ent = create_proc_info_entry("pcxl_dma", 0,
-				proc_gsc_root, pcxl_proc_info);
-		if (!ent)
+		ent = create_proc_entry("pcxl_dma", 0, proc_gsc_root);
+		if (ent)
+			ent->proc_fops = &proc_pcxl_dma_ops;
+		else
 			printk(KERN_WARNING
 				"pci-dma.c: Unable to create pcxl_dma /proc entry.\n");
 	}
@@ -551,40 +600,3 @@ struct hppa_dma_ops pcx_dma_ops = {
 	.dma_sync_sg_for_cpu =		pa11_dma_sync_sg_for_cpu,
 	.dma_sync_sg_for_device =	pa11_dma_sync_sg_for_device,
 };
-
-
-static int pcxl_proc_info(char *buf, char **start, off_t offset, int len)
-{
-#if 0
-	u_long i = 0;
-	unsigned long *res_ptr = (u_long *)pcxl_res_map;
-#endif
-	unsigned long total_pages = pcxl_res_size << 3;   /* 8 bits per byte */
-
-	sprintf(buf, "\nDMA Mapping Area size    : %d bytes (%ld pages)\n",
-		PCXL_DMA_MAP_SIZE, total_pages);
-
-	sprintf(buf, "%sResource bitmap : %d bytes\n", buf, pcxl_res_size);
-
-	strcat(buf,  "     	  total:    free:    used:   % used:\n");
-	sprintf(buf, "%sblocks  %8d %8ld %8ld %8ld%%\n", buf, pcxl_res_size,
-		pcxl_res_size - pcxl_used_bytes, pcxl_used_bytes,
-		(pcxl_used_bytes * 100) / pcxl_res_size);
-
-	sprintf(buf, "%spages   %8ld %8ld %8ld %8ld%%\n", buf, total_pages,
-		total_pages - pcxl_used_pages, pcxl_used_pages,
-		(pcxl_used_pages * 100 / total_pages));
-
-#if 0
-	strcat(buf, "\nResource bitmap:");
-
-	for(; i < (pcxl_res_size / sizeof(u_long)); ++i, ++res_ptr) {
-		if ((i & 7) == 0)
-		    strcat(buf,"\n   ");
-		sprintf(buf, "%s %08lx", buf, *res_ptr);
-	}
-#endif
-	strcat(buf, "\n");
-	return strlen(buf);
-}
-