Re: [PATCH 1/2] powerpc: Add spinlock to request_phb_iospace()

On Tue, 2007-05-15 at 14:26 +1000, Stephen Rothwell wrote:

On Tue, 15 May 2007 14:16:26 +1000 Benjamin Herrenschmidt [off-list ref] wrote:

quoted

request_phb_iospace() can be called from different CPUs at init
time (at least with my next patch) and thus needs a spinlock. As
for the next patch, this is a temporary workaround for 2.6.22
issues until my rewrite of IO mappings is ready (for 2.6.23)

What problem is this solving?

See the description of the next patch.

Ben.