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authorTony Luck <tony.luck@intel.com>2005-09-08 14:27:13 -0700
committerTony Luck <tony.luck@intel.com>2005-09-08 14:27:13 -0700
commit344a076110f4ecb16ea6d286b63be696604982ed (patch)
treedef6e229efdb6ee91b631b6695bf7f9ace8e2719 /arch/ppc64
parent9b17e7e74e767d8a494a74c3c459aeecd1e08c5f (diff)
parent1b11d78cf87a7014f96e5b7fa2e1233cc8081a00 (diff)
[IA64] Manual merge fix for 3 files
arch/ia64/Kconfig arch/ia64/kernel/acpi.c include/asm-ia64/irq.h Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'arch/ppc64')
-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 13b262f1021..deca68ad644 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 6350cce82ef..8189953a372 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 a3d519518fb..7e80d49c589 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 474df0a862b..6d860c1d9fa 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 dc2a69d412a..58c61219d08 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 206619080e6..214914a95a5 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 91ef95ccda4..9939c206afa 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 a8d5e83ee89..7467ae508e6 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 4103cc13f8d..0306510bc4f 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 20b0f37e8bf..772f0714a5b 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;