[Xen-devel] [PATCH v3 2/3] xen: actually skip the first MAX_ORDER bits in pfn_pdx_hole_setup

2019-06-03 Thread Stefano Stabellini
pfn_pdx_hole_setup is meant to skip the first MAX_ORDER bits, but actually it only skips the first MAX_ORDER-1 bits. The issue was probably introduced by bdb5439c3f ("x86_64: Ensure frame-table compression leaves MAX_ORDER aligned"), when changing to loop to start from MAX_ORDER-1 an adjustment by

Re: [Xen-devel] [PATCH v3 2/3] xen: actually skip the first MAX_ORDER bits in pfn_pdx_hole_setup

2019-06-04 Thread Julien Grall
Hi Stefano, On 6/3/19 11:02 PM, Stefano Stabellini wrote: pfn_pdx_hole_setup is meant to skip the first MAX_ORDER bits, but actually it only skips the first MAX_ORDER-1 bits. The issue was probably introduced by bdb5439c3f ("x86_64: Ensure frame-table compression leaves MAX_ORDER aligned"), when