Re: [PATCH next] OF: convert devtree lock from rw_lock to rawspinlock

[David Miller]

From: Paul Gortmaker <paul.gortmaker@xxxxxxxxxxxxx>
Date: Mon,  4 Feb 2013 11:05:21 -0500

> From: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> 
> With the locking cleanup in place (from "OF: Fixup resursive
> locking code paths"), we can now do the conversion from the
> rw_lock to a raw spinlock as required for preempt-rt.
> 
> The previous cleanup and the this conversion were originally
> separate since they predated when mainline got raw spinlock (in
> commit c2f21ce2e31286a "locking: Implement new raw_spinlock").
> 
> So, at that point in time, the cleanup was considered plausible
> for mainline, but not this conversion.  In any case, we've kept
> them separate as it makes for easier review and better bisection.
> 
> Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> [PG: taken from preempt-rt, update subject & add a commit log]
> Signed-off-by: Paul Gortmaker <paul.gortmaker@xxxxxxxxxxxxx>

Acked-by: David S. Miller <davem@xxxxxxxxxxxxx>
--
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/