This is the mail archive of the
systemtap@sourceware.org
mailing list for the systemtap project.
Re: double fault -> PAGE_KERNEL flagged memory
* Roland McGrath (roland@redhat.com) wrote:
> In the current Linus kernel, the i386 do_page_fault routine is marked with
> __kprobes. As I understand it, this puts it in a special section and no
> kprobe can be inserted inside the function. If that's the case, I'm a bit
> confused as to how this is coming up.
>
Well, it's getting clear now that only the vmalloc_fault path of this function
is problematic. It's ok as long as this path does not call any external
function.
Mathieu
OpenPGP public key: http://krystal.dyndns.org:8080/key/compudj.gpg
Key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68