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 09:51:12 -0800
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Daniel Díaz <daniel.diaz@...aro.org>
Cc:     Arnd Bergmann <arnd@...db.de>,
        Naresh Kamboju <naresh.kamboju@...aro.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 11:45:58AM -0600, Daniel Díaz wrote:
> Helo!
> 
> On Mon, 10 Feb 2020 at 09:58, Arnd Bergmann <arnd@...db.de> wrote:
> > 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")?
> 
> Yes, cherry-picking 556d687a4ccd ("compat: ARM64: always include
> asm-generic/compat.h") gets it back on track.

Great, I'll go add that now and push out a -rc2.  Thanks for finding
this so quickly.

greg k-h