From: Prasanna S Panchamukhi <prasanna@in.ibm.com>
To: "Zhang, Yanmin" <yanmin.zhang@intel.com>
Cc: systemtap@sources.redhat.com, "Keshavamurthy,
Anil S" <anil.s.keshavamurthy@intel.com>,
"Mao, Bibo" <bibo.mao@intel.com>
Subject: Re: Review patches of user space kprobe
Date: Thu, 05 Jan 2006 11:10:00 -0000 [thread overview]
Message-ID: <20060105111357.GE30216@in.ibm.com> (raw)
In-Reply-To: <8126E4F969BA254AB43EA03C59F44E840447BE94@pdsmsx404>
> >>+ */
> >>+static struct kprobe *get_uprobe_at(struct inode *inode, unsigned
> long offset)
> >>+{
> >>+ struct hlist_head *head;
> >>+ struct hlist_node *node;
> >>+ struct kprobe *p;
> >>+
> >>+ head = &kprobe_table[hash_long((unsigned long)inode * offset,
> >>+ KPROBE_HASH_BITS)];
> >>+ hlist_for_each_entry(p, node, head, hlist) {
> >>+ if (p->pre_handler == aggr_pre_handler)
> >>+ return p;
> >>+ else {
> >>+ struct uprobe *user = container_of(p,
> >>+ struct uprobe,
> kp);
> Kprobe and uprobe share the same hash table. Does p here always point to
> uprobe?
Check can be made before accessig uprobe.
if (!kernel_text_address((unsigned long)p->addr))
Thanks
Prasanna
--
Prasanna S Panchamukhi
Linux Technology Center
India Software Labs, IBM Bangalore
Email: prasanna@in.ibm.com
Ph: 91-80-25044636
next prev parent reply other threads:[~2006-01-05 11:10 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-12-22 13:24 Zhang, Yanmin
2006-01-05 11:10 ` Prasanna S Panchamukhi [this message]
-- strict thread matches above, loose matches on Subject: below --
2006-01-09 2:06 Zhang, Yanmin
2006-01-09 2:04 Zhang, Yanmin
2006-01-09 1:48 Zhang, Yanmin
2006-01-06 9:12 Zhang, Yanmin
2006-01-06 9:28 ` Prasanna S Panchamukhi
2006-01-06 9:08 Zhang, Yanmin
2006-01-06 10:22 ` Prasanna S Panchamukhi
2006-01-06 10:30 ` Roland McGrath
2006-01-06 5:29 Zhang, Yanmin
2006-01-06 9:08 ` Prasanna S Panchamukhi
2006-01-06 5:22 Zhang, Yanmin
2006-01-06 9:04 ` Prasanna S Panchamukhi
2006-01-06 4:27 Zhang, Yanmin
2006-01-06 12:28 ` Prasanna S Panchamukhi
2006-01-06 3:20 Zhang, Yanmin
2006-01-06 8:53 ` Prasanna S Panchamukhi
2006-01-06 2:52 Zhang, Yanmin
2006-01-06 6:53 ` Prasanna S Panchamukhi
2006-01-05 7:09 Zhang, Yanmin
2006-01-05 11:27 ` Prasanna S Panchamukhi
2005-12-22 7:14 Zhang, Yanmin
2005-12-22 5:41 Zhang, Yanmin
2005-12-22 6:00 ` Vara Prasad
2006-01-05 11:06 ` Prasanna S Panchamukhi
2005-12-22 5:34 Zhang, Yanmin
2006-01-05 10:30 ` Prasanna S Panchamukhi
2005-12-22 5:09 Zhang, Yanmin
2006-01-05 10:29 ` Prasanna S Panchamukhi
2005-12-21 8:31 Zhang, Yanmin
2006-01-05 10:28 ` Prasanna S Panchamukhi
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