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SubjectRe: [PATCH v1 1/1] vsprintf: Move space out of string literals in fourcc_string()
On Tue, Jan 11, 2022 at 11:26:21AM +0100, Rasmus Villemoes wrote:
> On 10/01/2022 21.55, Andy Shevchenko wrote:
> > The literals "big-endian" and "little-endian" may be potentially
> > occurred in other places. Dropping space allows compiler to
> > "compress" them by using only a single copy.
>
> Nit: it's not the compiler which does that, but the linker.

Ah, I stand corrected, thanks!

> > - strcpy(p, orig & BIT(31) ? " big-endian" : " little-endian");
> > + *p++ = ' ';
> > + strcpy(p, orig & BIT(31) ? "big-endian" : "little-endian");
> > p += strlen(p);
>
> Hm, ok, those two strings do occur a lot with of_property_read_bool()
> and friends. But if you're micro-optimizing anyway, why not drop the
> strlen() and say p = stpcpy(...) instead?

Why not? I'll do it for v2.

Any thoughts / comments on the
https://lore.kernel.org/lkml/20220110205049.11696-1-andriy.shevchenko@linux.intel.com/T/#u?
I'm asking since dependency and I would like to know if we still want that
fix or not.

--
With Best Regards,
Andy Shevchenko


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