On Wed, Apr 04, 2018 at 10:48:31PM +1000, Michael Ellerman wrote:
> Anshuman Khandual writes:
> > Even though SWIOTLB slab gets allocated and initialized on powerpc with
> > swiotlb_init() called during mem_init(), it gets released away again on
> > POWER platform because 'ppc_swiotlb_enable' neve
Anshuman Khandual writes:
> Even though SWIOTLB slab gets allocated and initialized on powerpc with
> swiotlb_init() called during mem_init(), it gets released away again on
> POWER platform because 'ppc_swiotlb_enable' never gets set. The function
> swiotlb_detect_4g() checks for 4GB memory and t
Even though SWIOTLB slab gets allocated and initialized on powerpc with
swiotlb_init() called during mem_init(), it gets released away again on
POWER platform because 'ppc_swiotlb_enable' never gets set. The function
swiotlb_detect_4g() checks for 4GB memory and then sets the variable
'ppc_swiotlb_