Re: [Xen-devel] XSA-255 and Arm

2019-12-11 Thread Julien Grall
Hi, On 10/12/2019 10:42, George Dunlap wrote: On 12/9/19 1:13 PM, Julien Grall wrote: Hi all, I was looking at the Grant Table code over the week-end and noticed thart XSA-255 [1] introduced some unintended consequences on Arm. Since the XSA, gnttab_map_frame() will remove the previous mappin

Re: [Xen-devel] XSA-255 and Arm

2019-12-09 Thread Julien Grall
Sorry I forgot to CC xen-devel. On 09/12/2019 13:13, Julien Grall wrote: Hi all, I was looking at the Grant Table code over the week-end and noticed thart XSA-255 [1] introduced some unintended consequences on Arm. Since the XSA, gnttab_map_frame() will remove the previous mapping (if any)