Messages in this thread Patch in this message | | | From | Srikar Dronamraju <> | Date | Tue, 20 Sep 2011 17:32:55 +0530 | Subject | [PATCH v5 3.1.0-rc4-tip 14/26] uprobe: register exception notifier |
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Use the notifier mechanism to register uprobes exception notifier.
Signed-off-by: Ananth N Mavinakayanahalli <ananth@in.ibm.com> Signed-off-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com> --- kernel/uprobes.c | 18 ++++++++++++++++++ 1 files changed, 18 insertions(+), 0 deletions(-)
diff --git a/kernel/uprobes.c b/kernel/uprobes.c index 8b6654e..083c577 100644 --- a/kernel/uprobes.c +++ b/kernel/uprobes.c @@ -30,6 +30,7 @@ #include <linux/mmu_notifier.h> /* set_pte_at_notify */ #include <linux/swap.h> /* try_to_free_swap */ #include <linux/ptrace.h> /* user_enable_single_step */ +#include <linux/kdebug.h> /* notifier mechanism */ #include <linux/uprobes.h> static struct rb_root uprobes_tree = RB_ROOT; @@ -1209,3 +1210,20 @@ int uprobe_post_notifier(struct pt_regs *regs) set_thread_flag(TIF_UPROBE); return 1; } + +struct notifier_block uprobe_exception_nb = { + .notifier_call = uprobe_exception_notify, + .priority = INT_MAX - 1, /* notified after kprobes, kgdb */ +}; + +static int __init init_uprobes(void) +{ + return register_die_notifier(&uprobe_exception_nb); +} + +static void __exit exit_uprobes(void) +{ +} + +module_init(init_uprobes); +module_exit(exit_uprobes);
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