Messages in this thread | | | Date | Thu, 26 Oct 2017 17:27:34 +1100 | From | "Tobin C. Harding" <> | Subject | Re: [PATCH V8 1/2] printk: remove tabular output for NULL pointer |
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Hi Joe,
thanks for your review.
On Wed, Oct 25, 2017 at 09:57:23PM -0700, Joe Perches wrote: > On Thu, 2017-10-26 at 13:53 +1100, Tobin C. Harding wrote: > > Currently pointer() checks for a NULL pointer argument and then if so > > attempts to print "(null)" with _some_ standard width. This width cannot > > correctly be ascertained here because many of the printk specifiers > > print pointers of varying widths. > > I believe this is not a good change. > Only pointers without a <foo> extension call pointer()
Sorry, I don't understand what you mean here. All the %p<foo> specifier code is handled by pointer()?
> > Remove the attempt to print NULL pointers with a correct width. > > the correct width for a %p is the default width.
It is the default width if we are printing addresses. Once we hash 64 bit address to a 32 bit identifier then we don't have a default width.
> The correct width for %p<foo> is unknown.
I agree.
If I have misunderstood you, please forgive me. I am very appreciative of the reviews this patch is getting and the patience the list is having with the many iterations.
thanks, Tobin.
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