On Fri, Nov 14, 2014 at 11:02:54AM +, David Vrabel wrote:
> On 14/11/14 10:00, Jan Beulich wrote:
> > David,
> >
> > we're being approached with the situation where a disk driver in the
> > kexec-ed kernel needs memory below 4G in order to perform DMA
> > (e.g. for the swiotlb to be set up). L
On 14/11/14 10:00, Jan Beulich wrote:
> David,
>
> we're being approached with the situation where a disk driver in the
> kexec-ed kernel needs memory below 4G in order to perform DMA
> (e.g. for the swiotlb to be set up). Linux not so long ago invented a
> two area approach, which doesn't fit wit