diff options
Diffstat (limited to 'arch/ia64/kernel')
-rw-r--r-- | arch/ia64/kernel/entry.S | 4 | ||||
-rw-r--r-- | arch/ia64/kernel/kprobes.c | 98 | ||||
-rw-r--r-- | arch/ia64/kernel/mca.c | 2 | ||||
-rw-r--r-- | arch/ia64/kernel/numa.c | 1 | ||||
-rw-r--r-- | arch/ia64/kernel/process.c | 2 | ||||
-rw-r--r-- | arch/ia64/kernel/time.c | 2 |
6 files changed, 56 insertions, 53 deletions
diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S index 12701cf32d9..e5b1be51b19 100644 --- a/arch/ia64/kernel/entry.S +++ b/arch/ia64/kernel/entry.S @@ -492,11 +492,11 @@ GLOBAL_ENTRY(prefetch_stack) br.ret.sptk.many rp END(prefetch_stack) -GLOBAL_ENTRY(execve) +GLOBAL_ENTRY(kernel_execve) mov r15=__NR_execve // put syscall number in place break __BREAK_SYSCALL br.ret.sptk.many rp -END(execve) +END(kernel_execve) GLOBAL_ENTRY(clone) mov r15=__NR_clone // put syscall number in place diff --git a/arch/ia64/kernel/kprobes.c b/arch/ia64/kernel/kprobes.c index 169ec3a7156..51217d63285 100644 --- a/arch/ia64/kernel/kprobes.c +++ b/arch/ia64/kernel/kprobes.c @@ -90,7 +90,7 @@ static void __kprobes update_kprobe_inst_flag(uint template, uint slot, p->ainsn.target_br_reg = 0; /* Check for Break instruction - * Bits 37:40 Major opcode to be zero + * Bits 37:40 Major opcode to be zero * Bits 27:32 X6 to be zero * Bits 32:35 X3 to be zero */ @@ -104,19 +104,19 @@ static void __kprobes update_kprobe_inst_flag(uint template, uint slot, switch (major_opcode) { case INDIRECT_CALL_OPCODE: p->ainsn.inst_flag |= INST_FLAG_FIX_BRANCH_REG; - p->ainsn.target_br_reg = ((kprobe_inst >> 6) & 0x7); - break; + p->ainsn.target_br_reg = ((kprobe_inst >> 6) & 0x7); + break; case IP_RELATIVE_PREDICT_OPCODE: case IP_RELATIVE_BRANCH_OPCODE: p->ainsn.inst_flag |= INST_FLAG_FIX_RELATIVE_IP_ADDR; - break; + break; case IP_RELATIVE_CALL_OPCODE: - p->ainsn.inst_flag |= INST_FLAG_FIX_RELATIVE_IP_ADDR; - p->ainsn.inst_flag |= INST_FLAG_FIX_BRANCH_REG; - p->ainsn.target_br_reg = ((kprobe_inst >> 6) & 0x7); - break; + p->ainsn.inst_flag |= INST_FLAG_FIX_RELATIVE_IP_ADDR; + p->ainsn.inst_flag |= INST_FLAG_FIX_BRANCH_REG; + p->ainsn.target_br_reg = ((kprobe_inst >> 6) & 0x7); + break; } - } else if (bundle_encoding[template][slot] == X) { + } else if (bundle_encoding[template][slot] == X) { switch (major_opcode) { case LONG_CALL_OPCODE: p->ainsn.inst_flag |= INST_FLAG_FIX_BRANCH_REG; @@ -258,18 +258,18 @@ static void __kprobes get_kprobe_inst(bundle_t *bundle, uint slot, switch (slot) { case 0: - *major_opcode = (bundle->quad0.slot0 >> SLOT0_OPCODE_SHIFT); - *kprobe_inst = bundle->quad0.slot0; - break; + *major_opcode = (bundle->quad0.slot0 >> SLOT0_OPCODE_SHIFT); + *kprobe_inst = bundle->quad0.slot0; + break; case 1: - *major_opcode = (bundle->quad1.slot1_p1 >> SLOT1_p1_OPCODE_SHIFT); - kprobe_inst_p0 = bundle->quad0.slot1_p0; - kprobe_inst_p1 = bundle->quad1.slot1_p1; - *kprobe_inst = kprobe_inst_p0 | (kprobe_inst_p1 << (64-46)); + *major_opcode = (bundle->quad1.slot1_p1 >> SLOT1_p1_OPCODE_SHIFT); + kprobe_inst_p0 = bundle->quad0.slot1_p0; + kprobe_inst_p1 = bundle->quad1.slot1_p1; + *kprobe_inst = kprobe_inst_p0 | (kprobe_inst_p1 << (64-46)); break; case 2: - *major_opcode = (bundle->quad1.slot2 >> SLOT2_OPCODE_SHIFT); - *kprobe_inst = bundle->quad1.slot2; + *major_opcode = (bundle->quad1.slot2 >> SLOT2_OPCODE_SHIFT); + *kprobe_inst = bundle->quad1.slot2; break; } } @@ -290,11 +290,11 @@ static int __kprobes valid_kprobe_addr(int template, int slot, return -EINVAL; } - if (in_ivt_functions(addr)) { - printk(KERN_WARNING "Kprobes can't be inserted inside " + if (in_ivt_functions(addr)) { + printk(KERN_WARNING "Kprobes can't be inserted inside " "IVT functions at 0x%lx\n", addr); - return -EINVAL; - } + return -EINVAL; + } if (slot == 1 && bundle_encoding[template][1] != L) { printk(KERN_WARNING "Inserting kprobes on slot #1 " @@ -338,12 +338,13 @@ static void kretprobe_trampoline(void) int __kprobes trampoline_probe_handler(struct kprobe *p, struct pt_regs *regs) { struct kretprobe_instance *ri = NULL; - struct hlist_head *head; + struct hlist_head *head, empty_rp; struct hlist_node *node, *tmp; unsigned long flags, orig_ret_address = 0; unsigned long trampoline_address = ((struct fnptr *)kretprobe_trampoline)->ip; + INIT_HLIST_HEAD(&empty_rp); spin_lock_irqsave(&kretprobe_lock, flags); head = kretprobe_inst_table_head(current); @@ -369,7 +370,7 @@ int __kprobes trampoline_probe_handler(struct kprobe *p, struct pt_regs *regs) ri->rp->handler(ri, regs); orig_ret_address = (unsigned long)ri->ret_addr; - recycle_rp_inst(ri); + recycle_rp_inst(ri, &empty_rp); if (orig_ret_address != trampoline_address) /* @@ -387,6 +388,10 @@ int __kprobes trampoline_probe_handler(struct kprobe *p, struct pt_regs *regs) spin_unlock_irqrestore(&kretprobe_lock, flags); preempt_enable_no_resched(); + hlist_for_each_entry_safe(ri, node, tmp, &empty_rp, hlist) { + hlist_del(&ri->hlist); + kfree(ri); + } /* * By returning a non-zero value, we are telling * kprobe_handler() that we don't want the post_handler @@ -424,14 +429,14 @@ int __kprobes arch_prepare_kprobe(struct kprobe *p) bundle_t *bundle; bundle = &((kprobe_opcode_t *)kprobe_addr)->bundle; - template = bundle->quad0.template; + template = bundle->quad0.template; if(valid_kprobe_addr(template, slot, addr)) return -EINVAL; /* Move to slot 2, if bundle is MLX type and kprobe slot is 1 */ - if (slot == 1 && bundle_encoding[template][1] == L) - slot++; + if (slot == 1 && bundle_encoding[template][1] == L) + slot++; /* Get kprobe_inst and major_opcode from the bundle */ get_kprobe_inst(bundle, slot, &kprobe_inst, &major_opcode); @@ -489,21 +494,22 @@ void __kprobes arch_remove_kprobe(struct kprobe *p) */ static void __kprobes resume_execution(struct kprobe *p, struct pt_regs *regs) { - unsigned long bundle_addr = (unsigned long) (&p->ainsn.insn->bundle); - unsigned long resume_addr = (unsigned long)p->addr & ~0xFULL; - unsigned long template; - int slot = ((unsigned long)p->addr & 0xf); + unsigned long bundle_addr = (unsigned long) (&p->ainsn.insn->bundle); + unsigned long resume_addr = (unsigned long)p->addr & ~0xFULL; + unsigned long template; + int slot = ((unsigned long)p->addr & 0xf); template = p->ainsn.insn->bundle.quad0.template; - if (slot == 1 && bundle_encoding[template][1] == L) - slot = 2; + if (slot == 1 && bundle_encoding[template][1] == L) + slot = 2; if (p->ainsn.inst_flag) { if (p->ainsn.inst_flag & INST_FLAG_FIX_RELATIVE_IP_ADDR) { /* Fix relative IP address */ - regs->cr_iip = (regs->cr_iip - bundle_addr) + resume_addr; + regs->cr_iip = (regs->cr_iip - bundle_addr) + + resume_addr; } if (p->ainsn.inst_flag & INST_FLAG_FIX_BRANCH_REG) { @@ -540,18 +546,18 @@ static void __kprobes resume_execution(struct kprobe *p, struct pt_regs *regs) } if (slot == 2) { - if (regs->cr_iip == bundle_addr + 0x10) { - regs->cr_iip = resume_addr + 0x10; - } - } else { - if (regs->cr_iip == bundle_addr) { - regs->cr_iip = resume_addr; - } + if (regs->cr_iip == bundle_addr + 0x10) { + regs->cr_iip = resume_addr + 0x10; + } + } else { + if (regs->cr_iip == bundle_addr) { + regs->cr_iip = resume_addr; + } } turn_ss_off: - /* Turn off Single Step bit */ - ia64_psr(regs)->ss = 0; + /* Turn off Single Step bit */ + ia64_psr(regs)->ss = 0; } static void __kprobes prepare_ss(struct kprobe *p, struct pt_regs *regs) @@ -587,7 +593,7 @@ static int __kprobes is_ia64_break_inst(struct pt_regs *regs) /* Move to slot 2, if bundle is MLX type and kprobe slot is 1 */ if (slot == 1 && bundle_encoding[template][1] == L) - slot++; + slot++; /* Get Kprobe probe instruction at given slot*/ get_kprobe_inst(&bundle, slot, &kprobe_inst, &major_opcode); @@ -627,7 +633,7 @@ static int __kprobes pre_kprobes_handler(struct die_args *args) if (p) { if ((kcb->kprobe_status == KPROBE_HIT_SS) && (p->ainsn.inst_flag == INST_FLAG_BREAK_INST)) { - ia64_psr(regs)->ss = 0; + ia64_psr(regs)->ss = 0; goto no_kprobe; } /* We have reentered the pre_kprobe_handler(), since @@ -887,7 +893,7 @@ int __kprobes setjmp_pre_handler(struct kprobe *p, struct pt_regs *regs) * fix the return address to our jprobe_inst_return() function * in the jprobes.S file */ - regs->b0 = ((struct fnptr *)(jprobe_inst_return))->ip; + regs->b0 = ((struct fnptr *)(jprobe_inst_return))->ip; return 1; } diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c index bfbd8986153..66323018325 100644 --- a/arch/ia64/kernel/mca.c +++ b/arch/ia64/kernel/mca.c @@ -388,7 +388,7 @@ ia64_log_get(int sal_info_type, u8 **buffer, int irq_safe) { sal_log_record_header_t *log_buffer; u64 total_len = 0; - int s; + unsigned long s; IA64_LOG_LOCK(sal_info_type); diff --git a/arch/ia64/kernel/numa.c b/arch/ia64/kernel/numa.c index 20340631179..a78b45f5fe2 100644 --- a/arch/ia64/kernel/numa.c +++ b/arch/ia64/kernel/numa.c @@ -28,6 +28,7 @@ u16 cpu_to_node_map[NR_CPUS] __cacheline_aligned; EXPORT_SYMBOL(cpu_to_node_map); cpumask_t node_to_cpu_mask[MAX_NUMNODES] __cacheline_aligned; +EXPORT_SYMBOL(node_to_cpu_mask); void __cpuinit map_cpu_to_node(int cpu, int nid) { diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c index ea914cc6812..51922b98086 100644 --- a/arch/ia64/kernel/process.c +++ b/arch/ia64/kernel/process.c @@ -8,8 +8,6 @@ * 2005-10-07 Keith Owens <kaos@sgi.com> * Add notify_die() hooks. */ -#define __KERNEL_SYSCALLS__ /* see <asm/unistd.h> */ - #include <linux/cpu.h> #include <linux/pm.h> #include <linux/elf.h> diff --git a/arch/ia64/kernel/time.c b/arch/ia64/kernel/time.c index 16262687a10..62e07f906e0 100644 --- a/arch/ia64/kernel/time.c +++ b/arch/ia64/kernel/time.c @@ -29,8 +29,6 @@ #include <asm/sections.h> #include <asm/system.h> -extern unsigned long wall_jiffies; - volatile int time_keeper_id = 0; /* smp_processor_id() of time-keeper */ #ifdef CONFIG_IA64_DEBUG_IRQ |