Re: [PATCH 5/6] SUNHME: Workaround ancient hang on U1's

[David Miller]

From: Ben Collins <bcollins@xxxxxxxxxx>
Date: Wed, 23 May 2007 18:30:46 -0400

> This work around has been in use by almost any distribution trying to
> support sparc64 since at least 2002. Without it, sunhme hangs fairly
> quickly on UltraSPARC 1's.
> 
> Dave, I know it's not in the kernel because it isn't a "fix", but given
> that we haven't seen a fix in more than 5 years, can we get this out of my
> tree please? :)

It isn't needed any more, the hang no longer occurs.

Nobody should be applying that patch, my guess is that it was
a GCC bug that has been fixed over time that reordered the
writes to RX/TX descriptors which hung the chip.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/