svn commit: r259102 - head/sys/sparc64/sparc64
Aleksandr Rybalko
ray at ddteam.net
Mon Dec 9 15:39:17 UTC 2013
On Sun, 8 Dec 2013 15:25:19 +0000 (UTC)
Marius Strobl <marius at FreeBSD.org> wrote:
> Author: marius
> Date: Sun Dec 8 15:25:19 2013
> New Revision: 259102
> URL: http://svnweb.freebsd.org/changeset/base/259102
>
> Log:
> Restore a vital comment nuked in r259016.
>
> Modified:
> head/sys/sparc64/sparc64/machdep.c
>
> Modified: head/sys/sparc64/sparc64/machdep.c
> ==============================================================================
> --- head/sys/sparc64/sparc64/machdep.c Sun Dec 8 14:21:54 2013 (r259101)
> +++ head/sys/sparc64/sparc64/machdep.c Sun Dec 8 15:25:19 2013 (r259102)
> @@ -553,6 +553,13 @@ sparc64_init(caddr_t mdp, u_long o1, u_l
> * trigger a fatal reset error or worse things further down the road.
> * XXX it should be possible to use this solely instead of writing
> * %tba in cpu_setregs(). Doing so causes a hang however.
> + *
> + * NB: the low-level console drivers require a working DELAY() and
> + * some compiler optimizations may cause the curthread accesses of
> + * mutex(9) to be factored out even if the latter aren't actually
> + * called. Both of these require PCPU_REG to be set. However, we
> + * can't set PCPU_REG without also taking over the trap table or the
> + * firmware will overwrite it.
> */
> sun4u_set_traptable(tl0_base);
>
Oh, I'm sorry.
It was old fix. Seems it here since 2009.
Thanks.
WBW
--
Aleksandr Rybalko <ray at ddteam.net>
More information about the svn-src-head
mailing list