linux-kernel - Re: [RESEND PATCH] x86/tools/relocs: add _

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Message-ID: <1EFF7FE1-D341-41DF-8681-D386A1BD6F7A@zytor.com>
Date:   Fri, 25 Jun 2021 13:38:51 -0700
From:   "H. Peter Anvin" <hpa@...or.com>
To:     Borislav Petkov <bp@...en8.de>
CC:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>, x86@...nel.org,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, linux-kernel@...r.kernel.org
Subject: Re: [RESEND PATCH] x86/tools/relocs: add __printf attribute to die()

64-bit cross build on a 32-bit platform... or Windows.

On June 25, 2021 9:53:10 AM PDT, Borislav Petkov <bp@...en8.de> wrote:
>On Fri, Jun 25, 2021 at 09:19:38AM -0700, H. Peter Anvin wrote:
>> You can use PRIu32/64 or cast to unsigned long long; it's not like
>the
>> performance for this case is going to matter one iota.
>
>Why "unsigned long long"?
>
>Those fields are typedeffed as:
>
>typedef __u32	Elf32_Off;
>
>or
>
>typedef __u64	Elf64_Off;
>
>respectively so they should fit in an "unsigned long" on the respective
>width.

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