On Tue, 12 Feb 2019 14:00:30 +0100 Petr Mladek <pmla...@suse.com> wrote:
> 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. > Not to mention that if it is the only static call, gcc will most likely just keep it inlined. Could add an inline annotation just to be paranoid. -- Steve
