linux-kernel - Re: [Patch v2] lib: test get_count_order/long in test

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Message-ID: <20200610220613.ets3envsukjstvlu@master>
Date:   Wed, 10 Jun 2020 22:06:13 +0000
From:   Wei Yang <richard.weiyang@...il.com>
To:     Andy Shevchenko <andy.shevchenko@...il.com>
Cc:     Wei Yang <richard.weiyang@...il.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Christian Brauner <christian.brauner@...ntu.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [Patch v2] lib: test get_count_order/long in test_bitops.c

On Wed, Jun 10, 2020 at 01:17:28PM +0300, Andy Shevchenko wrote:
>On Wed, Jun 10, 2020 at 2:06 AM Wei Yang <richard.weiyang@...il.com> wrote:
>> On Tue, Jun 09, 2020 at 12:16:49PM +0300, Andy Shevchenko wrote:
>> >On Mon, Jun 08, 2020 at 10:31:12PM +0000, Wei Yang wrote:
>> >> On Fri, Jun 05, 2020 at 05:16:29PM -0700, Andrew Morton wrote:
>> >
>> >...
>> >
>> >> The test on 64bit machine pass. Since I don't have a 32bit machine by hand,
>> >
>> >Out of curiosity what that machine is?
>> >
>>
>> It is a Intel Xeon Gold CPU.
>
>I suppose it's x86 (and not ia64).
>In this case you can always build an i386 configuration and test on a
>32-bit "machine".
>

Yes, you are right. While last time I tried to run a 32bit guest, it took me a
lot of time to setup. If my understanding is correct, to run on a 32bit
machine, we not only need the kernel but a whole 32bit system. This means I
need to re-install a 32bit system. And I found many distro doesn't support
32bit system any more.

Do you have a better way to setup the environment?


>-- 
>With Best Regards,
>Andy Shevchenko

-- 
Wei Yang
Help you, Help me