On Thu, Jan 15, 2015 at 04:40:11PM +, Mark Rutland wrote:
> On Thu, Jan 15, 2015 at 12:01:06PM +, Ard Biesheuvel wrote:
> > When remapping the UEFI memory map using ioremap_cache(), we
> > have to deal with potential failure. Note that, even if the
> > common case is for ioremap_cache() to
On Thu, 2015-01-15 at 12:01 +, Ard Biesheuvel wrote:
> When remapping the UEFI memory map using ioremap_cache(), we
> have to deal with potential failure. Note that, even if the
> common case is for ioremap_cache() to return the existing linear
> mapping of the memory map, we cannot rely on tha
On Thu, Jan 15, 2015 at 12:01:06PM +, Ard Biesheuvel wrote:
> When remapping the UEFI memory map using ioremap_cache(), we
> have to deal with potential failure. Note that, even if the
> common case is for ioremap_cache() to return the existing linear
> mapping of the memory map, we cannot rely
When remapping the UEFI memory map using ioremap_cache(), we
have to deal with potential failure. Note that, even if the
common case is for ioremap_cache() to return the existing linear
mapping of the memory map, we cannot rely on that to be always the
case, e.g., in the presence of a mem= kernel p