linux-kernel - Re: [PATCH net-next 0/2] refactor the ringtest testing for ptr

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Date:   Mon, 5 Jul 2021 20:06:50 +0800
From:   Yunsheng Lin <linyunsheng@...wei.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
CC:     <davem@...emloft.net>, <kuba@...nel.org>, <mst@...hat.com>,
        <jasowang@...hat.com>, <nickhu@...estech.com>,
        <green.hu@...il.com>, <deanbo422@...il.com>,
        <akpm@...ux-foundation.org>, <yury.norov@...il.com>,
        <ojeda@...nel.org>, <ndesaulniers@...ogle.com>, <joe@...ches.com>,
        <linux-kernel@...r.kernel.org>,
        <virtualization@...ts.linux-foundation.org>,
        <netdev@...r.kernel.org>
Subject: Re: [PATCH net-next 0/2] refactor the ringtest testing for ptr_ring

On 2021/7/5 17:56, Andy Shevchenko wrote:
> On Mon, Jul 05, 2021 at 11:57:33AM +0800, Yunsheng Lin wrote:
>> tools/include/* have a lot of abstract layer for building
>> kernel code from userspace, so reuse or add the abstract
>> layer in tools/include/ to build the ptr_ring for ringtest
>> testing.
> 
> ...
> 
>>  create mode 100644 tools/include/asm/cache.h
>>  create mode 100644 tools/include/asm/processor.h
>>  create mode 100644 tools/include/generated/autoconf.h
>>  create mode 100644 tools/include/linux/align.h
>>  create mode 100644 tools/include/linux/cache.h
>>  create mode 100644 tools/include/linux/slab.h
> 
> Maybe somebody can change this to be able to include in-tree headers directly?

If the above works, maybe the files in tools/include/* is not
necessary any more, just use the in-tree headers to compile
the user space app?

Or I missed something here?

> 
> Besides above, had you tested this with `make O=...`?

You are right, the generated/autoconf.h is in another directory
with `make O=...`.

Any nice idea to fix the above problem?

>