Re: [PATCH] drm: Do not use BUG_ON(!spin_is_locked())

[sanjeev sharma <sanjeevsharmaengg@xxxxxxxxx>]

Hello David,

Do you see any problem in replacing with assert_spin_locked() and here is old discusion  around the

On Mon, Aug 11, 2014 at 5:15 PM, David Rientjes <rientjes@xxxxxxxxxx> wrote:

On Sun, 10 Aug 2014, Guenter Roeck wrote:

> spin_is_locked() always returns false in uniprocessor configurations
> and can therefore not be used with BUG_ON. Replace it with
> assert_spin_locked(), which exists for that very purpose.
>

It may be helpful to assess whether any of these sites should be converted
to lockdep_assert_held() so they have no cost when lockdep isn't enabled
but still reveal problems when debugging.

--
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/

_______________________________________________
dri-devel mailing list
dri-devel@xxxxxxxxxxxxxxxxxxxxx
http://lists.freedesktop.org/mailman/listinfo/dri-devel