lkml.org 
[lkml]   [2019]   [May]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [RFC KVM 18/27] kvm/isolation: function to copy page table entries for percpu buffer
On Mon, May 13, 2019 at 7:39 AM Alexandre Chartre
<alexandre.chartre@oracle.com> wrote:
>
> pcpu_base_addr is already mapped to the KVM address space, but this
> represents the first percpu chunk. To access a per-cpu buffer not
> allocated in the first chunk, add a function which maps all cpu
> buffers corresponding to that per-cpu buffer.
>
> Also add function to clear page table entries for a percpu buffer.
>

This needs some kind of clarification so that readers can tell whether
you're trying to map all percpu memory or just map a specific
variable. In either case, you're making a dubious assumption that
percpu memory contains no secrets.

\
 
 \ /
  Last update: 2019-05-13 20:19    [W:0.318 / U:0.816 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site