linux-kernel - Re: [PATCH] lpfc: use %zd format string for size

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Date:   Fri, 28 Oct 2016 14:52:07 -0700
From:   Vineet Gupta <Vineet.Gupta1@...opsys.com>
To:     Arnd Bergmann <arnd@...db.de>
CC:     arcml <linux-snps-arc@...ts.infradead.org>,
        lkml <linux-kernel@...r.kernel.org>,
        Claudiu Zissulescu <Claudiu.Zissulescu@...opsys.com>
Subject: Re: [PATCH] lpfc: use %zd format string for size_t

On 10/28/2016 02:44 PM, Vineet Gupta wrote:
> This is configuration specific, and something caused your compiler to
>> be built assuming that size_t is unsigned long, while the kernel
>> headers are assuming it should be unsigned int.

So yes this seems to be target specific gcc thing

for ARC 4.8

#define PTRDIFF_TYPE "int"

ARM

#ifndef PTRDIFF_TYPE
#define PTRDIFF_TYPE (TARGET_AAPCS_BASED ? "int" : "long int")
#endif

ARC gcc 6.2

#undef PTRDIFF_TYPE
#define PTRDIFF_TYPE "long int"