lkml.org 
[lkml]   [2017]   [Dec]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH v2 2/3] doc: update kpt_restrict documentation
From
Date
On 12/17/2017 02:30 PM, Tobin C. Harding wrote:
> Recently the behaviour of printk specifier %pK was changed. The
> documentation does not currently mirror this.
>
> Update documentation for sysctl kpt_restrict.
>
> Signed-off-by: Tobin C. Harding <me@tobin.cc>
> ---
> Documentation/sysctl/kernel.txt | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/Documentation/sysctl/kernel.txt b/Documentation/sysctl/kernel.txt
> index 63663039acb7..6b039aa1427a 100644
> --- a/Documentation/sysctl/kernel.txt
> +++ b/Documentation/sysctl/kernel.txt
> @@ -391,7 +391,8 @@ kptr_restrict:
> This toggle indicates whether restrictions are placed on
> exposing kernel addresses via /proc and other interfaces.
>
> -When kptr_restrict is set to (0), the default, there are no restrictions.
> +When kptr_restrict is set to (0), the default, the address is hashed before

how about:
is set to 0 (the default),
or
is set to (0) [the default],


> +printing. (This is the equivalent to %p.)
>
> When kptr_restrict is set to (1), kernel pointers printed using the %pK
> format specifier will be replaced with 0's unless the user has CAP_SYSLOG
>


--
~Randy

\
 
 \ /
  Last update: 2017-12-18 03:50    [W:0.046 / U:22.320 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site