linux-kernel - Re: [RFC PATCH] Replaces long number representation by BIT() macro

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Message-ID: <20190702161635.GO18316@gate.crashing.org>
Date:   Tue, 2 Jul 2019 11:16:35 -0500
From:   Segher Boessenkool <segher@...nel.crashing.org>
To:     Michael Ellerman <mpe@...erman.id.au>
Cc:     Leonardo Bras <leonardo@...ux.ibm.com>,
        Paul Mackerras <paulus@...ba.org>,
        linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH] Replaces long number representation by BIT() macro

On Wed, Jul 03, 2019 at 01:19:34AM +1000, Michael Ellerman wrote:
> What we could do is switch to the `UL` macro from include/linux/const.h,
> rather than using our own ASM_CONST.

You need gas 2.28 or later for that though.

https://sourceware.org/git/?p=binutils-gdb.git;a=commitdiff;h=86b80085
https://sourceware.org/git/?p=binutils-gdb.git;a=commitdiff;h=e140100a

What is the minimum required (for powerpc) now?


Segher