Re: [PATCH 2/2] xen/gntdev: Accommodate VMA splitting

2022-09-19 Thread Juergen Gross
On 12.09.22 06:00, M. Vefa Bicakci wrote: Prior to this commit, the gntdev driver code did not handle the following scenario correctly: * User process sets up a gntdev mapping composed of two grant mappings (i.e., two pages shared by another Xen domain). * User process munmap()s one of the pa

[PATCH 2/2] xen/gntdev: Accommodate VMA splitting

2022-09-11 Thread M. Vefa Bicakci
Prior to this commit, the gntdev driver code did not handle the following scenario correctly: * User process sets up a gntdev mapping composed of two grant mappings (i.e., two pages shared by another Xen domain). * User process munmap()s one of the pages. * User process munmap()s the remaining p