linux-kernel - Re: [PATCH 1/2] codafs: Fix build using bare-metal toolchain

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Date:   Tue, 28 Aug 2018 20:03:23 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Sam Protsenko <semen.protsenko@...aro.org>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-scsi <linux-scsi@...r.kernel.org>,
        codalist@...a.cs.cmu.edu, coda@...cmu.edu, jaharkes@...cmu.edu,
        "James E . J . Bottomley" <jejb@...ux.vnet.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Praneeth Bajjuri <praneeth@...com>, paul.sokolovsky@...aro.org,
        mszeredi@...e.cz, sumit.semwal@...aro.org,
        Ruslan Bilovol <ruslan.bilovol@...il.com>
Subject: Re: [PATCH 1/2] codafs: Fix build using bare-metal toolchain

On Tue, Aug 28, 2018 at 5:24 PM Sam Protsenko
<semen.protsenko@...aro.org> wrote:
>
> The kernel is self-contained project and can be built with bare-metal
> toolchain. But bare-metal toolchain doesn't define u_quad_t type.
> Because of this codafs build fails when building with bare-metal
> toolchain. This patch fixes it by defining u_quad_t type in case when
> non-Linux toolchain is used.

>  #endif /* !KERNEL */

I'm wondering what the heck KERNEL is doing in UAPI header.
Looks like this header is split wrongly in the first place.

> +#if defined(__KERNEL__) && !defined(__linux__) && !defined(_UQUAD_T_) && \

P.S. Actually it's the only header which uses KERNEL in UAPI.
Definitely it should be fixed first.

--
With Best Regards,
Andy Shevchenko