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x86: explicit call to mmiotrace in do_page_fault()

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The custom page fault handler list is replaced with a single function
pointer. All related functions and variables are renamed for
mmiotrace.

Signed-off-by: Pekka Paalanen <pq@iki.fi>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Arjan van de Ven <arjan@infradead.org>
Cc: pq@iki.fi
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Pekka Paalanen
2008-05-12 21:20:57 +02:00
committed by Thomas Gleixner
parent 63ffa3e456
commit 10c43d2eb5
4 changed files with 52 additions and 54 deletions
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14
arch/x86/kernel/mmiotrace/kmmio.c
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@ -51,10 +51,6 @@ static LIST_HEAD(kmmio_probes);
static struct kmmio_context kmmio_ctx[NR_CPUS];
static struct pf_handler kmmio_pf_hook = {
.handler = kmmio_page_fault
};
static struct notifier_block nb_die = {
.notifier_call = kmmio_die_notifier
};
@ -77,7 +73,8 @@ void cleanup_kmmio(void)
* kmmio_page_table, kmmio_probes
*/
if (handler_registered) {
unregister_page_fault_handler(&kmmio_pf_hook);
if (mmiotrace_unregister_pf(&kmmio_page_fault))
BUG();
synchronize_rcu();
}
unregister_die_notifier(&nb_die);
@ -343,8 +340,11 @@ int register_kmmio_probe(struct kmmio_probe *p)
}
if (!handler_registered) {
register_page_fault_handler(&kmmio_pf_hook);
handler_registered++;
if (mmiotrace_register_pf(&kmmio_page_fault))
printk(KERN_ERR "mmiotrace: Cannot register page "
"fault handler.\n");
else
handler_registered++;
}
out: