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From: Geert Uytterhoeven <>
To: Andreas Schwab <>
Cc: kbuild test robot <>,
	Stafford Horne <>,
	"" <>,
	Stefan Kristiansson <>,,
	"" <>
Subject: Re: [PATCH] openrisc: Define __kernel_size_t to suppress compiler warnings
Date: Wed, 21 Dec 2016 08:05:26 +0100	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

On Tue, Dec 20, 2016 at 11:44 PM, Andreas Schwab <> wrote:
> On Dez 20 2016, Geert Uytterhoeven <> wrote:
>> When I saw this patch, I was already a bit skeptical about it, but I noticed
>> other architectures (e.g. avr32) are doing the same, so I didn't reply.
>> In my experience, "format '%zu' expects argument of type 'size_t', but
>> argument 3 has type 'unsigned int'" happens when using a compiler that
>> was not configured to use the correct type (should be unsigned long) for
>> size_t. Typically this happens when using a compiler not configured for
>> a Linux target.
> 32-bit targets typically use unsigned int for size_t.  It is part of the
> ABI, so all compilers must agree.  Since or32 is a out-of-tree port, and
> gcc defaults to unsigned long for size_t, mismatches can happen if
> people are using incomplete patches.

Right, thanks for correcting me!
It should indeed be unsigned int on 32-bit, and unsigned long on 64-bit.



Geert Uytterhoeven -- There's lots of Linux beyond ia32 --

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

  parent reply	other threads:[~2016-12-21  7:05 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-12-20 13:59 Stafford Horne
2016-12-20 20:22 ` kbuild test robot
2016-12-20 20:45   ` Geert Uytterhoeven
2016-12-20 22:44     ` Andreas Schwab
2016-12-20 23:02       ` Stafford Horne
2016-12-21  7:05       ` Geert Uytterhoeven [this message]
2016-12-21  4:06 ` kbuild test robot

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