From ae67e498a54259364f7211e10d9834575b340b21 Mon Sep 17 00:00:00 2001 From: Tony Luck Date: Mon, 14 May 2007 15:55:11 -0700 Subject: [IA64] wire up {signal,timer,event}fd syscalls Signed-off-by: Tony Luck --- include/asm-ia64/unistd.h | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'include') diff --git a/include/asm-ia64/unistd.h b/include/asm-ia64/unistd.h index f049bc40ca7d..d7781a2ddefe 100644 --- a/include/asm-ia64/unistd.h +++ b/include/asm-ia64/unistd.h @@ -296,11 +296,14 @@ #define __NR_getcpu 1304 #define __NR_epoll_pwait 1305 #define __NR_utimensat 1306 +#define __NR_signalfd 1307 +#define __NR_timerfd 1308 +#define __NR_eventfd 1309 #ifdef __KERNEL__ -#define NR_syscalls 283 /* length of syscall table */ +#define NR_syscalls 286 /* length of syscall table */ #define __ARCH_WANT_SYS_RT_SIGACTION #define __ARCH_WANT_SYS_RT_SIGSUSPEND -- cgit v1.2.3 From 576fe0bd7e52dce7afb6b9b2450744555b2eb53a Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Wed, 16 May 2007 14:52:19 +0200 Subject: [IA64] optimize pagefaults a little Get rid of the notifier list and call the kprobes code directly if compiled in. This mirrors the changes that recently went into powerpc, s390 and sparc64. Signed-off-by: Christoph Hellwig Signed-off-by: Tony Luck --- include/asm-ia64/kdebug.h | 16 +++++++++++++--- include/asm-ia64/kprobes.h | 1 + 2 files changed, 14 insertions(+), 3 deletions(-) (limited to 'include') diff --git a/include/asm-ia64/kdebug.h b/include/asm-ia64/kdebug.h index ba211e011a1d..320cd8e754ea 100644 --- a/include/asm-ia64/kdebug.h +++ b/include/asm-ia64/kdebug.h @@ -28,14 +28,24 @@ */ #include -extern int register_page_fault_notifier(struct notifier_block *); -extern int unregister_page_fault_notifier(struct notifier_block *); +/* + * These are only here because kprobes.c wants them to implement a + * blatant layering violation. Will hopefully go away soon once all + * architectures are updated. + */ +static inline int register_page_fault_notifier(struct notifier_block *nb) +{ + return 0; +} +static inline int unregister_page_fault_notifier(struct notifier_block *nb) +{ + return 0; +} enum die_val { DIE_BREAK = 1, DIE_FAULT, DIE_OOPS, - DIE_PAGE_FAULT, DIE_MACHINE_HALT, DIE_MACHINE_RESTART, DIE_MCA_MONARCH_ENTER, diff --git a/include/asm-ia64/kprobes.h b/include/asm-ia64/kprobes.h index 2abc98b336f3..6382e52ec227 100644 --- a/include/asm-ia64/kprobes.h +++ b/include/asm-ia64/kprobes.h @@ -120,6 +120,7 @@ struct arch_specific_insn { unsigned short slot; }; +extern int kprobes_fault_handler(struct pt_regs *regs, int trapnr); extern int kprobe_exceptions_notify(struct notifier_block *self, unsigned long val, void *data); -- cgit v1.2.3