lkml.org 
[lkml]   [2019]   [Jul]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [RFC v2 02/26] mm/asi: Abort isolation on interrupt, exception and context switch
From
Date

> On Jul 11, 2019, at 8:25 AM, Alexandre Chartre <alexandre.chartre@oracle.com> wrote:
>
> Address space isolation should be aborted if there is an interrupt,
> an exception or a context switch. Interrupt/exception handlers and
> context switch code need to run with the full kernel address space.
> Address space isolation is aborted by restoring the original CR3
> value used before entering address space isolation.
>

NAK to the entry changes. That code you’re changing is already known to be a bit buggy, and it’s spaghetti. PeterZ and I are gradually working on fixing some bugs and C-ifying it. ASI can go on top.

\
 
 \ /
  Last update: 2019-07-12 02:06    [W:0.205 / U:0.780 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site