lkml.org 
[lkml]   [2019]   [Feb]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v6 5/9] vsprintf: Factor out %pV handler as va_format()
On Fri 2019-02-08 09:11:17, Joe Perches wrote:
> On Fri, 2019-02-08 at 16:23 +0100, Petr Mladek wrote:
> > Move the code from the long pointer() function. We are going to improve
> > error handling that will make it more complicated.
> >
> > This patch does not change the existing behavior.
>
> But doesn't this increase stack use?
> %pV is recursive and increasing the stack is undesired
> for this use.

%pV handler is stack sensitive because the entire vsnprintf()
machinery is called recursively. This one extra call does
not make it much worse.

Best Regards,
Petr

\
 
 \ /
  Last update: 2019-02-12 14:01    [W:0.077 / U:0.196 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site