[U-Boot] [PATCH] tools: mkimage can read input on /dev/stdin

[Wolfgang Denk <wd@denx.de>]

Dear Julien,

In message <CADF714agpUedt_o3iXcGBRBc5CaV6TBUn=1oGEqJj3h2b+f-Vg@mail.gmail.com> you wrote:
> 
> I would like to give /dev/stdin to the flag -d of mkimage. The only

What would be the benefit of doing so?  Do you have an example for a
practical use case where this makes sense?

> This patch replaces the use of mmap(2) with read(2). If accepted, I
> could give a look to accept /dev/stdout as output file (which is
> currently also required to be a file).

What is the size and performance impact of the suggested change for
typical use cases?

Best regards,

Wolfgang Denk

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