lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <ZF4j0NPoBGMBT8CO@smile.fi.intel.com>
Date:   Fri, 12 May 2023 14:32:32 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Jani Nikula <jani.nikula@...ux.intel.com>
Cc:     Lucas De Marchi <lucas.demarchi@...el.com>,
        intel-gfx@...ts.freedesktop.org, intel-xe@...ts.freedesktop.org,
        dri-devel@...ts.freedesktop.org,
        Thomas Gleixner <tglx@...utronix.de>,
        linux-kernel@...r.kernel.org,
        Masahiro Yamada <masahiroy@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Kevin Brodsky <kevin.brodsky@....com>,
        Alex Deucher <alexander.deucher@....com>,
        Christian König <christian.koenig@....com>
Subject: Re: [PATCH 2/3] linux/bits.h: Add fixed-width GENMASK and BIT macros

On Fri, May 12, 2023 at 02:25:18PM +0300, Jani Nikula wrote:
> On Fri, 12 May 2023, Andy Shevchenko <andriy.shevchenko@...ux.intel.com> wrote:
> > On Mon, May 08, 2023 at 10:14:02PM -0700, Lucas De Marchi wrote:
> >> Add GENMASK_U32(), GENMASK_U16() and GENMASK_U8()  macros to create
> >> masks for fixed-width types and also the corresponding BIT_U32(),
> >> BIT_U16() and BIT_U8().
> >
> > Why?
> 
> The main reason is that GENMASK() and BIT() size varies for 32/64 bit
> builds.

When needed GENMASK_ULL() can be used (with respective castings perhaps)
and BIT_ULL(), no?

-- 
With Best Regards,
Andy Shevchenko


Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ