Re: recursive spinlocks. Shoot.

Arjan van de Ven (arjanv@redhat.com)
18 May 2003 18:49:04 +0200


This is a MIME-formatted message. If you see this text it means that your
E-mail software does not support MIME-formatted messages.

--=_courier-5265-1053278517-0001-2
Content-Type: text/plain
Content-Transfer-Encoding: quoted-printable

On Sun, 2003-05-18 at 18:35, William Lee Irwin III wrote:
> At some point in the past, Peter Breuer's attribution was removed from:
> >> Here's a before-breakfast implementation of a recursive spinlock. That
> >> is, the same thread can "take" the spinlock repeatedly.=20
>=20
> On Sun, May 18, 2003 at 09:30:17AM -0700, Martin J. Bligh wrote:
> > Why?
>=20
> netconsole.

not really.
the netconsole issue is tricky and recursive, but recursive locks aren't
the solution; that would require a rewrite of the network drivers. It's
far easier to solve it by moving the debug printk's instead.

--=_courier-5265-1053278517-0001-2
Content-Type: application/pgp-signature; name="signature.asc"
Content-Transfer-Encoding: 7bit
Content-Description: This is a digitally signed message part

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.2.2 (GNU/Linux)

iD8DBQA+x7l/xULwo51rQBIRAhDgAJ9jh2eJRHmAN9HljzmgNIkkfapyOACdGQ81
ckoyGP2zkGqF2CubQJKd1Qw=
=pP5V
-----END PGP SIGNATURE-----

--=_courier-5265-1053278517-0001-2--