X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fppc%2Fkernel%2Fppc_htab.c;h=75c64504374660d3191169417379458d0ae4cb19;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=91592c03ea8bb18eee5ccbf76eef6c5d72ae0dbf;hpb=9bf4aaab3e101692164d49b7ca357651eb691cb6;p=linux-2.6.git

diff --git a/arch/ppc/kernel/ppc_htab.c b/arch/ppc/kernel/ppc_htab.c
index 91592c03e..75c645043 100644
--- a/arch/ppc/kernel/ppc_htab.c
+++ b/arch/ppc/kernel/ppc_htab.c
@@ -16,13 +16,15 @@
 #include <linux/proc_fs.h>
 #include <linux/stat.h>
 #include <linux/sysctl.h>
+#include <linux/capability.h>
 #include <linux/ctype.h>
 #include <linux/threads.h>
 #include <linux/smp_lock.h>
 #include <linux/seq_file.h>
+#include <linux/init.h>
+#include <linux/bitops.h>
 
 #include <asm/uaccess.h>
-#include <asm/bitops.h>
 #include <asm/mmu.h>
 #include <asm/residual.h>
 #include <asm/io.h>
@@ -34,9 +36,6 @@
 static int ppc_htab_show(struct seq_file *m, void *v);
 static ssize_t ppc_htab_write(struct file * file, const char __user * buffer,
 			      size_t count, loff_t *ppos);
-int proc_dol2crvec(ctl_table *table, int write, struct file *filp,
-		  void __user *buffer, size_t *lenp, loff_t *ppos);
-
 extern PTE *Hash, *Hash_end;
 extern unsigned long Hash_size, Hash_mask;
 extern unsigned long _SDR1;
@@ -53,7 +52,7 @@ static int ppc_htab_open(struct inode *inode, struct file *file)
 	return single_open(file, ppc_htab_show, NULL);
 }
 
-struct file_operations ppc_htab_operations = {
+const struct file_operations ppc_htab_operations = {
 	.open		= ppc_htab_open,
 	.read		= seq_read,
 	.llseek		= seq_lseek,
@@ -105,12 +104,12 @@ static char *pmc2_lookup(unsigned long mmcr0)
 static int ppc_htab_show(struct seq_file *m, void *v)
 {
 	unsigned long mmcr0 = 0, pmc1 = 0, pmc2 = 0;
-#if defined(CONFIG_PPC_STD_MMU) && !defined(CONFIG_PPC64BRIDGE)
+#if defined(CONFIG_PPC_STD_MMU)
 	unsigned int kptes = 0, uptes = 0;
 	PTE *ptr;
 #endif /* CONFIG_PPC_STD_MMU */
 
-	if (cur_cpu_spec[0]->cpu_features & CPU_FTR_604_PERF_MON) {
+	if (cpu_has_feature(CPU_FTR_604_PERF_MON)) {
 		mmcr0 = mfspr(SPRN_MMCR0);
 		pmc1 = mfspr(SPRN_PMC1);
 		pmc2 = mfspr(SPRN_PMC2);
@@ -134,7 +133,6 @@ static int ppc_htab_show(struct seq_file *m, void *v)
 		return 0;
 	}
 
-#ifndef CONFIG_PPC64BRIDGE
 	for (ptr = Hash; ptr < Hash_end; ptr++) {
 		unsigned int mctx, vsid;
 
@@ -148,7 +146,6 @@ static int ppc_htab_show(struct seq_file *m, void *v)
 		else
 			uptes++;
 	}
-#endif
 
 	seq_printf(m,
 		      "PTE Hash Table Information\n"
@@ -156,20 +153,16 @@ static int ppc_htab_show(struct seq_file *m, void *v)
 		      "Buckets\t\t: %lu\n"
  		      "Address\t\t: %08lx\n"
 		      "Entries\t\t: %lu\n"
-#ifndef CONFIG_PPC64BRIDGE
 		      "User ptes\t: %u\n"
 		      "Kernel ptes\t: %u\n"
 		      "Percent full\t: %lu%%\n"
-#endif
                       , (unsigned long)(Hash_size>>10),
 		      (Hash_size/(sizeof(PTE)*8)),
 		      (unsigned long)Hash,
 		      Hash_size/sizeof(PTE)
-#ifndef CONFIG_PPC64BRIDGE
                       , uptes,
 		      kptes,
 		      ((kptes+uptes)*100) / (Hash_size/sizeof(PTE))
-#endif
 		);
 
 	seq_printf(m,
@@ -211,7 +204,7 @@ static ssize_t ppc_htab_write(struct file * file, const char __user * ubuffer,
 
 	if ( !strncmp( buffer, "reset", 5) )
 	{
-		if (cur_cpu_spec[0]->cpu_features & CPU_FTR_604_PERF_MON) {
+		if (cpu_has_feature(CPU_FTR_604_PERF_MON)) {
 			/* reset PMC1 and PMC2 */
 			mtspr(SPRN_PMC1, 0);
 			mtspr(SPRN_PMC2, 0);
@@ -223,7 +216,7 @@ static ssize_t ppc_htab_write(struct file * file, const char __user * ubuffer,
 	}
 
 	/* Everything below here requires the performance monitor feature. */
-	if ( !cur_cpu_spec[0]->cpu_features & CPU_FTR_604_PERF_MON )
+	if (!cpu_has_feature(CPU_FTR_604_PERF_MON))
 		return count;
 
 	/* turn off performance monitoring */
@@ -341,7 +334,7 @@ int proc_dol2crvec(ctl_table *table, int write, struct file *filp,
 		"0.5", "1.0", "(reserved2)", "(reserved3)"
 	};
 
-	if (!(cur_cpu_spec[0]->cpu_features & CPU_FTR_L2CR))
+	if (!cpu_has_feature(CPU_FTR_L2CR))
 		return -EFAULT;
 
 	if ( /*!table->maxlen ||*/ (*ppos && !write)) {
@@ -438,3 +431,32 @@ int proc_dol2crvec(ctl_table *table, int write, struct file *filp,
 	*ppos += *lenp;
 	return 0;
 }
+
+#ifdef CONFIG_SYSCTL
+/*
+ * Register our sysctl.
+ */
+static ctl_table htab_ctl_table[]={
+	{
+		.ctl_name	= KERN_PPC_L2CR,
+		.procname	= "l2cr",
+		.mode		= 0644,
+		.proc_handler	= &proc_dol2crvec,
+	},
+	{ 0, },
+};
+static ctl_table htab_sysctl_root[] = {
+	{ 1, "kernel", NULL, 0, 0755, htab_ctl_table, },
+ 	{ 0,},
+};
+
+static int __init
+register_ppc_htab_sysctl(void)
+{
+	register_sysctl_table(htab_sysctl_root, 0);
+
+	return 0;
+}
+
+__initcall(register_ppc_htab_sysctl);
+#endif