From: Prasanna S Panchamukhi Date: Wed, 19 Apr 2006 05:22:02 +0000 (-0700) Subject: [PATCH] Switch Kprobes inline functions to __kprobes for ia64 X-Git-Tag: v2.6.17-rc3~90 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3ca269d8b4d020af018e9e7e82b22f965a0e1bd9;p=linux-2.6 [PATCH] Switch Kprobes inline functions to __kprobes for ia64 Andrew Morton pointed out that compiler might not inline the functions marked for inline in kprobes. There-by allowing the insertion of probes on these kprobes routines, which might cause recursion. This patch removes all such inline and adds them to kprobes section there by disallowing probes on all such routines. Some of the routines can even still be inlined, since these routines gets executed after the kprobes had done necessay setup for reentrancy. Signed-off-by: Prasanna S Panchamukhi Cc: "Luck, Tony" Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- diff --git a/arch/ia64/kernel/kprobes.c b/arch/ia64/kernel/kprobes.c index 789881ca83..f9039f88d0 100644 --- a/arch/ia64/kernel/kprobes.c +++ b/arch/ia64/kernel/kprobes.c @@ -251,7 +251,7 @@ static void __kprobes prepare_break_inst(uint template, uint slot, update_kprobe_inst_flag(template, slot, major_opcode, kprobe_inst, p); } -static inline void get_kprobe_inst(bundle_t *bundle, uint slot, +static void __kprobes get_kprobe_inst(bundle_t *bundle, uint slot, unsigned long *kprobe_inst, uint *major_opcode) { unsigned long kprobe_inst_p0, kprobe_inst_p1; @@ -278,7 +278,7 @@ static inline void get_kprobe_inst(bundle_t *bundle, uint slot, } /* Returns non-zero if the addr is in the Interrupt Vector Table */ -static inline int in_ivt_functions(unsigned long addr) +static int __kprobes in_ivt_functions(unsigned long addr) { return (addr >= (unsigned long)__start_ivt_text && addr < (unsigned long)__end_ivt_text); @@ -308,19 +308,19 @@ static int __kprobes valid_kprobe_addr(int template, int slot, return 0; } -static inline void save_previous_kprobe(struct kprobe_ctlblk *kcb) +static void __kprobes save_previous_kprobe(struct kprobe_ctlblk *kcb) { kcb->prev_kprobe.kp = kprobe_running(); kcb->prev_kprobe.status = kcb->kprobe_status; } -static inline void restore_previous_kprobe(struct kprobe_ctlblk *kcb) +static void __kprobes restore_previous_kprobe(struct kprobe_ctlblk *kcb) { __get_cpu_var(current_kprobe) = kcb->prev_kprobe.kp; kcb->kprobe_status = kcb->prev_kprobe.status; } -static inline void set_current_kprobe(struct kprobe *p, +static void __kprobes set_current_kprobe(struct kprobe *p, struct kprobe_ctlblk *kcb) { __get_cpu_var(current_kprobe) = p;