linux-kernel - Re: [PATCH 5.5 284/367] compat: scsi: sg: fix v3 compat read/write interface

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Date:   Mon, 10 Feb 2020 16:57:55 +0100
From:   Arnd Bergmann <arnd@...db.de>
To:     Naresh Kamboju <naresh.kamboju@...aro.org>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        open list <linux-kernel@...r.kernel.org>,
        linux- stable <stable@...r.kernel.org>,
        Ben Hutchings <ben.hutchings@...ethink.co.uk>,
        Sasha Levin <sashal@...nel.org>, lkft-triage@...ts.linaro.org,
        Basil Eljuse <Basil.Eljuse@....com>
Subject: Re: [PATCH 5.5 284/367] compat: scsi: sg: fix v3 compat read/write interface

On Mon, Feb 10, 2020 at 4:41 PM Naresh Kamboju
<naresh.kamboju@...aro.org> wrote:
>
> The arm64 architecture 64k page size enabled build failed on stable rc 5.5
> CONFIG_ARM64_64K_PAGES=y
> CROSS_COMPILE=aarch64-linux-gnu-
> Toolchain gcc-9
>
> In file included from ../block/scsi_ioctl.c:23:
>  ../include/scsi/sg.h:75:2: error: unknown type name ‘compat_int_t’
>   compat_int_t interface_id; /* [i] 'S' for SCSI generic (required) */
>   ^~~~~~~~~~~~
>  ../include/scsi/sg.h:76:2: error: unknown type name ‘compat_int_t’
>   compat_int_t dxfer_direction; /* [i] data transfer direction  */
>   ^~~~~~~~~~~~
>
> ...
>  ../include/scsi/sg.h:97:2: error: unknown type name ‘compat_uint_t’
>   compat_uint_t info;  /* [o] auxiliary information */

Hi Naresh,

Does it work if you backport 071aaa43513a ("compat: ARM64: always include
asm-generic/compat.h")?

        Arnd