Re: [Xen-devel] [PATCH] x86: correct boot time page table setup

2017-05-08 Thread Julien Grall
Hi, On 05/05/17 16:08, Andrew Cooper wrote: On 05/05/17 14:12, Jan Beulich wrote: While using alloc_domheap_pages() and assuming the allocated memory is directly accessible is okay at boot time (as we run on the idle page tables there), memory hotplug code too assumes it can access the resultin

Re: [Xen-devel] [PATCH] x86: correct boot time page table setup

2017-05-05 Thread Andrew Cooper
On 05/05/17 14:12, Jan Beulich wrote: > While using alloc_domheap_pages() and assuming the allocated memory is > directly accessible is okay at boot time (as we run on the idle page > tables there), memory hotplug code too assumes it can access the > resulting page tables without using map_domain_p

[Xen-devel] [PATCH] x86: correct boot time page table setup

2017-05-05 Thread Jan Beulich
While using alloc_domheap_pages() and assuming the allocated memory is directly accessible is okay at boot time (as we run on the idle page tables there), memory hotplug code too assumes it can access the resulting page tables without using map_domain_page() or alike, and hence we need to obtain me