Re: [Xen-devel] [PATCH v4 4/9] x86/mm: introduce l{1, 2}t local variables to modify_xen_mappings

Hi, On 04/12/2019 17:10, Hongyan Xia wrote: From: Wei Liu The pl2e and pl1e variables are heavily (ab)used in that function. It is fine at the moment because all page tables are always mapped so there is no need to track the life time of each variable. We will soon have the requirement to

[Xen-devel] [PATCH v4 4/9] x86/mm: introduce l{1, 2}t local variables to modify_xen_mappings

From: Wei Liu The pl2e and pl1e variables are heavily (ab)used in that function. It is fine at the moment because all page tables are always mapped so there is no need to track the life time of each variable. We will soon have the requirement to map and unmap page tables. We need to track the