lkml.org 
[lkml]   [2020]   [Jul]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH RFC V2 16/17] [dax|pmem]: Enable stray write protection
On Fri, Jul 17, 2020 at 12:20:55AM -0700, ira.weiny@intel.com wrote:
> From: Ira Weiny <ira.weiny@intel.com>
>
> Protecting against stray writes is particularly important for PMEM
> because, unlike writes to anonymous memory, writes to PMEM persists
> across a reboot. Thus data corruption could result in permanent loss of
> data. Therefore, there is no option presented to the user.
>
> Enable stray write protection by setting the flag in pgmap which
> requests it. Note if Zone Device Access Protection not be supported
> this flag will have no affect.

The actual implementation is stray-access-protection, as noted ealier.
This inconsisteny is throughout.

\
 
 \ /
  Last update: 2020-07-17 11:25    [W:0.501 / U:0.204 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site