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-rw-r--r--arch/ppc64/Kconfig4
-rw-r--r--arch/ppc64/Makefile2
-rw-r--r--arch/ppc64/kernel/kprobes.c40
-rw-r--r--arch/ppc64/kernel/misc.S6
-rw-r--r--arch/ppc64/kernel/pSeries_reconfig.c2
-rw-r--r--arch/ppc64/kernel/sys_ppc32.c31
-rw-r--r--arch/ppc64/kernel/time.c7
-rw-r--r--arch/ppc64/kernel/traps.c5
-rw-r--r--arch/ppc64/kernel/vmlinux.lds.S1
-rw-r--r--arch/ppc64/mm/fault.c5
10 files changed, 39 insertions, 64 deletions
diff --git a/arch/ppc64/Kconfig b/arch/ppc64/Kconfig
index 13b262f10216..deca68ad644a 100644
--- a/arch/ppc64/Kconfig
+++ b/arch/ppc64/Kconfig
@@ -44,6 +44,10 @@ config SCHED_NO_NO_OMIT_FRAME_POINTER
 	bool
 	default y
 
+config ARCH_MAY_HAVE_PC_FDC
+	bool
+	default y
+
 # We optimistically allocate largepages from the VM, so make the limit
 # large enough (16MB). This badly named config option is actually
 # max order + 1
diff --git a/arch/ppc64/Makefile b/arch/ppc64/Makefile
index 6350cce82efb..8189953a372c 100644
--- a/arch/ppc64/Makefile
+++ b/arch/ppc64/Makefile
@@ -49,7 +49,7 @@ NM		:= $(NM) --synthetic
 
 endif
 
-CHECKFLAGS	+= -m64 -D__powerpc__
+CHECKFLAGS	+= -m64 -D__powerpc__ -D__powerpc64__
 
 LDFLAGS		:= -m elf64ppc
 LDFLAGS_vmlinux	:= -Bstatic -e $(KERNELLOAD) -Ttext $(KERNELLOAD)
diff --git a/arch/ppc64/kernel/kprobes.c b/arch/ppc64/kernel/kprobes.c
index a3d519518fb8..7e80d49c589a 100644
--- a/arch/ppc64/kernel/kprobes.c
+++ b/arch/ppc64/kernel/kprobes.c
@@ -44,7 +44,7 @@ static struct kprobe *kprobe_prev;
 static unsigned long kprobe_status_prev, kprobe_saved_msr_prev;
 static struct pt_regs jprobe_saved_regs;
 
-int arch_prepare_kprobe(struct kprobe *p)
+int __kprobes arch_prepare_kprobe(struct kprobe *p)
 {
 	int ret = 0;
 	kprobe_opcode_t insn = *p->addr;
@@ -68,27 +68,27 @@ int arch_prepare_kprobe(struct kprobe *p)
 	return ret;
 }
 
-void arch_copy_kprobe(struct kprobe *p)
+void __kprobes arch_copy_kprobe(struct kprobe *p)
 {
 	memcpy(p->ainsn.insn, p->addr, MAX_INSN_SIZE * sizeof(kprobe_opcode_t));
 	p->opcode = *p->addr;
 }
 
-void arch_arm_kprobe(struct kprobe *p)
+void __kprobes arch_arm_kprobe(struct kprobe *p)
 {
 	*p->addr = BREAKPOINT_INSTRUCTION;
 	flush_icache_range((unsigned long) p->addr,
 			   (unsigned long) p->addr + sizeof(kprobe_opcode_t));
 }
 
-void arch_disarm_kprobe(struct kprobe *p)
+void __kprobes arch_disarm_kprobe(struct kprobe *p)
 {
 	*p->addr = p->opcode;
 	flush_icache_range((unsigned long) p->addr,
 			   (unsigned long) p->addr + sizeof(kprobe_opcode_t));
 }
 
-void arch_remove_kprobe(struct kprobe *p)
+void __kprobes arch_remove_kprobe(struct kprobe *p)
 {
 	up(&kprobe_mutex);
 	free_insn_slot(p->ainsn.insn);
@@ -102,7 +102,7 @@ static inline void prepare_singlestep(struct kprobe *p, struct pt_regs *regs)
 	regs->msr |= MSR_SE;
 
 	/* single step inline if it is a trap variant */
-	if (IS_TW(insn) || IS_TD(insn) || IS_TWI(insn) || IS_TDI(insn))
+	if (is_trap(insn))
 		regs->nip = (unsigned long)p->addr;
 	else
 		regs->nip = (unsigned long)p->ainsn.insn;
@@ -122,7 +122,8 @@ static inline void restore_previous_kprobe(void)
 	kprobe_saved_msr = kprobe_saved_msr_prev;
 }
 
-void arch_prepare_kretprobe(struct kretprobe *rp, struct pt_regs *regs)
+void __kprobes arch_prepare_kretprobe(struct kretprobe *rp,
+				      struct pt_regs *regs)
 {
 	struct kretprobe_instance *ri;
 
@@ -151,7 +152,9 @@ static inline int kprobe_handler(struct pt_regs *regs)
 		   Disarm the probe we just hit, and ignore it. */
 		p = get_kprobe(addr);
 		if (p) {
-			if (kprobe_status == KPROBE_HIT_SS) {
+			kprobe_opcode_t insn = *p->ainsn.insn;
+			if (kprobe_status == KPROBE_HIT_SS &&
+					is_trap(insn)) {
 				regs->msr &= ~MSR_SE;
 				regs->msr |= kprobe_saved_msr;
 				unlock_kprobes();
@@ -191,8 +194,7 @@ static inline int kprobe_handler(struct pt_regs *regs)
 			 * trap variant, it could belong to someone else
 			 */
 			kprobe_opcode_t cur_insn = *addr;
-			if (IS_TW(cur_insn) || IS_TD(cur_insn) ||
-					IS_TWI(cur_insn) || IS_TDI(cur_insn))
+			if (is_trap(cur_insn))
 		       		goto no_kprobe;
 			/*
 			 * The breakpoint instruction was removed right
@@ -244,7 +246,7 @@ void kretprobe_trampoline_holder(void)
 /*
  * Called when the probe at kretprobe trampoline is hit
  */
-int trampoline_probe_handler(struct kprobe *p, struct pt_regs *regs)
+int __kprobes trampoline_probe_handler(struct kprobe *p, struct pt_regs *regs)
 {
         struct kretprobe_instance *ri = NULL;
         struct hlist_head *head;
@@ -308,7 +310,7 @@ int trampoline_probe_handler(struct kprobe *p, struct pt_regs *regs)
  * single-stepped a copy of the instruction.  The address of this
  * copy is p->ainsn.insn.
  */
-static void resume_execution(struct kprobe *p, struct pt_regs *regs)
+static void __kprobes resume_execution(struct kprobe *p, struct pt_regs *regs)
 {
 	int ret;
 	unsigned int insn = *p->ainsn.insn;
@@ -373,8 +375,8 @@ static inline int kprobe_fault_handler(struct pt_regs *regs, int trapnr)
 /*
  * Wrapper routine to for handling exceptions.
  */
-int kprobe_exceptions_notify(struct notifier_block *self, unsigned long val,
-			     void *data)
+int __kprobes kprobe_exceptions_notify(struct notifier_block *self,
+				       unsigned long val, void *data)
 {
 	struct die_args *args = (struct die_args *)data;
 	int ret = NOTIFY_DONE;
@@ -402,11 +404,11 @@ int kprobe_exceptions_notify(struct notifier_block *self, unsigned long val,
 	default:
 		break;
 	}
-	preempt_enable();
+	preempt_enable_no_resched();
 	return ret;
 }
 
-int setjmp_pre_handler(struct kprobe *p, struct pt_regs *regs)
+int __kprobes setjmp_pre_handler(struct kprobe *p, struct pt_regs *regs)
 {
 	struct jprobe *jp = container_of(p, struct jprobe, kp);
 
@@ -419,16 +421,16 @@ int setjmp_pre_handler(struct kprobe *p, struct pt_regs *regs)
 	return 1;
 }
 
-void jprobe_return(void)
+void __kprobes jprobe_return(void)
 {
 	asm volatile("trap" ::: "memory");
 }
 
-void jprobe_return_end(void)
+void __kprobes jprobe_return_end(void)
 {
 };
 
-int longjmp_break_handler(struct kprobe *p, struct pt_regs *regs)
+int __kprobes longjmp_break_handler(struct kprobe *p, struct pt_regs *regs)
 {
 	/*
 	 * FIXME - we should ideally be validating that we got here 'cos
diff --git a/arch/ppc64/kernel/misc.S b/arch/ppc64/kernel/misc.S
index 474df0a862bf..6d860c1d9fa0 100644
--- a/arch/ppc64/kernel/misc.S
+++ b/arch/ppc64/kernel/misc.S
@@ -183,7 +183,7 @@ PPC64_CACHES:
  *   flush all bytes from start through stop-1 inclusive
  */
 
-_GLOBAL(__flush_icache_range)
+_KPROBE(__flush_icache_range)
 
 /*
  * Flush the data cache to memory 
@@ -223,7 +223,7 @@ _GLOBAL(__flush_icache_range)
 	bdnz	2b
 	isync
 	blr
-	
+	.previous .text
 /*
  * Like above, but only do the D-cache.
  *
@@ -957,7 +957,7 @@ _GLOBAL(sys_call_table32)
 	.llong .ppc_fork
 	.llong .sys_read
 	.llong .sys_write
-	.llong .sys32_open		/* 5 */
+	.llong .compat_sys_open		/* 5 */
 	.llong .sys_close
 	.llong .sys32_waitpid
 	.llong .sys32_creat
diff --git a/arch/ppc64/kernel/pSeries_reconfig.c b/arch/ppc64/kernel/pSeries_reconfig.c
index dc2a69d412a2..58c61219d08e 100644
--- a/arch/ppc64/kernel/pSeries_reconfig.c
+++ b/arch/ppc64/kernel/pSeries_reconfig.c
@@ -111,7 +111,7 @@ static int pSeries_reconfig_add_node(const char *path, struct property *proplist
 	struct device_node *np;
 	int err = -ENOMEM;
 
-	np = kcalloc(1, sizeof(*np), GFP_KERNEL);
+	np = kzalloc(sizeof(*np), GFP_KERNEL);
 	if (!np)
 		goto out_err;
 
diff --git a/arch/ppc64/kernel/sys_ppc32.c b/arch/ppc64/kernel/sys_ppc32.c
index 206619080e66..214914a95a50 100644
--- a/arch/ppc64/kernel/sys_ppc32.c
+++ b/arch/ppc64/kernel/sys_ppc32.c
@@ -867,37 +867,6 @@ off_t ppc32_lseek(unsigned int fd, u32 offset, unsigned int origin)
 	return sys_lseek(fd, (int)offset, origin);
 }
 
-/*
- * This is just a version for 32-bit applications which does
- * not force O_LARGEFILE on.
- */
-asmlinkage long sys32_open(const char __user * filename, int flags, int mode)
-{
-	char * tmp;
-	int fd, error;
-
-	tmp = getname(filename);
-	fd = PTR_ERR(tmp);
-	if (!IS_ERR(tmp)) {
-		fd = get_unused_fd();
-		if (fd >= 0) {
-			struct file * f = filp_open(tmp, flags, mode);
-			error = PTR_ERR(f);
-			if (IS_ERR(f))
-				goto out_error;
-			fd_install(fd, f);
-		}
-out:
-		putname(tmp);
-	}
-	return fd;
-
-out_error:
-	put_unused_fd(fd);
-	fd = error;
-	goto out;
-}
-
 /* Note: it is necessary to treat bufsiz as an unsigned int,
  * with the corresponding cast to a signed int to insure that the 
  * proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode)
diff --git a/arch/ppc64/kernel/time.c b/arch/ppc64/kernel/time.c
index 91ef95ccda4f..9939c206afa4 100644
--- a/arch/ppc64/kernel/time.c
+++ b/arch/ppc64/kernel/time.c
@@ -128,7 +128,7 @@ static __inline__ void timer_check_rtc(void)
          * We should have an rtc call that only sets the minutes and
          * seconds like on Intel to avoid problems with non UTC clocks.
          */
-        if ( (time_status & STA_UNSYNC) == 0 &&
+        if (ntp_synced() &&
              xtime.tv_sec - last_rtc_update >= 659 &&
              abs((xtime.tv_nsec/1000) - (1000000-1000000/HZ)) < 500000/HZ &&
              jiffies - wall_jiffies == 1) {
@@ -435,10 +435,7 @@ int do_settimeofday(struct timespec *tv)
 	 */
 	last_rtc_update = new_sec - 658;
 
-	time_adjust = 0;                /* stop active adjtime() */
-	time_status |= STA_UNSYNC;
-	time_maxerror = NTP_PHASE_LIMIT;
-	time_esterror = NTP_PHASE_LIMIT;
+	ntp_clear();
 
 	delta_xsec = mulhdu( (tb_last_stamp-do_gtod.varp->tb_orig_stamp),
 			     do_gtod.varp->tb_to_xs );
diff --git a/arch/ppc64/kernel/traps.c b/arch/ppc64/kernel/traps.c
index a8d5e83ee89f..7467ae508e6e 100644
--- a/arch/ppc64/kernel/traps.c
+++ b/arch/ppc64/kernel/traps.c
@@ -30,6 +30,7 @@
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/delay.h>
+#include <linux/kprobes.h>
 #include <asm/kdebug.h>
 
 #include <asm/pgtable.h>
@@ -220,7 +221,7 @@ void instruction_breakpoint_exception(struct pt_regs *regs)
 	_exception(SIGTRAP, regs, TRAP_BRKPT, regs->nip);
 }
 
-void single_step_exception(struct pt_regs *regs)
+void __kprobes single_step_exception(struct pt_regs *regs)
 {
 	regs->msr &= ~MSR_SE;  /* Turn off 'trace' bit */
 
@@ -398,7 +399,7 @@ check_bug_trap(struct pt_regs *regs)
 	return 0;
 }
 
-void program_check_exception(struct pt_regs *regs)
+void __kprobes program_check_exception(struct pt_regs *regs)
 {
 	if (debugger_fault_handler(regs))
 		return;
diff --git a/arch/ppc64/kernel/vmlinux.lds.S b/arch/ppc64/kernel/vmlinux.lds.S
index 4103cc13f8d6..0306510bc4ff 100644
--- a/arch/ppc64/kernel/vmlinux.lds.S
+++ b/arch/ppc64/kernel/vmlinux.lds.S
@@ -15,6 +15,7 @@ SECTIONS
 	*(.text .text.*)
 	SCHED_TEXT
 	LOCK_TEXT
+	KPROBES_TEXT
 	*(.fixup)
 	. = ALIGN(4096);
 	_etext = .;
diff --git a/arch/ppc64/mm/fault.c b/arch/ppc64/mm/fault.c
index 20b0f37e8bf8..772f0714a5b7 100644
--- a/arch/ppc64/mm/fault.c
+++ b/arch/ppc64/mm/fault.c
@@ -29,6 +29,7 @@
 #include <linux/interrupt.h>
 #include <linux/smp_lock.h>
 #include <linux/module.h>
+#include <linux/kprobes.h>
 
 #include <asm/page.h>
 #include <asm/pgtable.h>
@@ -84,8 +85,8 @@ static int store_updates_sp(struct pt_regs *regs)
  * The return value is 0 if the fault was handled, or the signal
  * number if this is a kernel fault that can't be handled here.
  */
-int do_page_fault(struct pt_regs *regs, unsigned long address,
-		  unsigned long error_code)
+int __kprobes do_page_fault(struct pt_regs *regs, unsigned long address,
+			    unsigned long error_code)
 {
 	struct vm_area_struct * vma;
 	struct mm_struct *mm = current->mm;
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-10-18 21:25:58 +0000