Re: [Xen-devel] KEXEC: fix kexec_get_range_compat to fail vocally

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 05.12.11 at 14:01, Andrew Cooper <andrew.cooper3@xxxxxxxxxx> wrote:
> On 05/12/11 12:58, Jan Beulich wrote:
>> Both under the assumption that apart from the truncation nothing
>> prevents addresses above the 4G boundary from being usable with
>> a 32-bit kernel for at least one of the ranges (probably only
>> KEXEC_RANGE_MA_CPU and KEXEC_RANGE_MA_VMCOREINFO are
>> candidates for this on x86).
> 
> Will those ranges not be covered by my patch?

That wasn't the question. My point was that your change and the new
sub-hypercall are useful only if any of these ranges can validly live
above 4G (i.e. if we don't need to instead constrain the allocations).

Jan


_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel