[U-Boot] [PATCH] tools: mkimage can read input on /dev/stdin
Wolfgang Denk
wd at denx.de
Sat Sep 27 20:24:36 CEST 2014
Dear Julien,
In message <CADF714bpHv6x8wUxs=7H-st3-ThPCeBWbZvO_-uoQcdWS6WqJQ at mail.gmail.com> you wrote:
>
> > I don't believe you. Sizes rare certainly not identical, and neither
> > is the performance. Did you do any real measurements?
>
> mmap is useful when you need to make random access in a file, or to
> optimize memory: when a file is mmapped, the kernel only loads the
> parts of the file that are accessed. In the case of mkimage, the file
> is read sequentially (meaning all of it will be retrieved from the
> disk).
OK, so you don't have any real data, but make a very specific
statement: "exactly the same."
Sorry, but this is not an answer I'm going to buy.
Best regards,
Wolfgang Denk
--
DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
In an infinite universe all things are possible, including the possi-
bility that the universe does not exist.
- Terry Pratchett, _The Dark Side of the Sun_
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