linux-kernel - Re: [PATCH 5.15 00/71] 5.15.157-rc1 review

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Date: Sat, 27 Apr 2024 16:26:04 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: Peter Oberparleiter <oberpar@...ux.ibm.com>
Cc: Naresh Kamboju <naresh.kamboju@...aro.org>, stable@...r.kernel.org,
	patches@...ts.linux.dev, linux-kernel@...r.kernel.org,
	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	linux@...ck-us.net, shuah@...nel.org, patches@...nelci.org,
	lkft-triage@...ts.linaro.org, pavel@...x.de, jonathanh@...dia.com,
	f.fainelli@...il.com, sudipm.mukherjee@...il.com,
	srw@...dewatkins.net, rwarsow@....de, conor@...nel.org,
	allen.lkml@...il.com, broonie@...nel.org,
	linux-s390@...r.kernel.org,
	Alexandra Winter <wintera@...ux.ibm.com>
Subject: Re: [PATCH 5.15 00/71] 5.15.157-rc1 review

On Wed, Apr 24, 2024 at 11:21:05AM +0200, Peter Oberparleiter wrote:
> On 24.04.2024 09:57, Naresh Kamboju wrote:
> > On Wed, 24 Apr 2024 at 03:16, Greg Kroah-Hartman
> > <gregkh@...uxfoundation.org> wrote:
> >>
> >> This is the start of the stable review cycle for the 5.15.157 release.
> >> There are 71 patches in this series, all will be posted as a response
> >> to this one.  If anyone has any issues with these being applied, please
> >> let me know.
> >>
> >> Responses should be made by Thu, 25 Apr 2024 21:38:28 +0000.
> >> Anything received after that time might be too late.
> >>
> >> The whole patch series can be found in one patch at:
> >>         https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.15.157-rc1.gz
> >> or in the git tree and branch at:
> >>         git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.15.y
> >> and the diffstat can be found below.
> >>
> >> thanks,
> >>
> >> greg k-h
> > 
> > 
> > The s390 defconfig build failed with gcc-12 and clang-17 on the Linux
> > stable-rc linux.5.15.y branch.
> > 
> > Reported-by: Linux Kernel Functional Testing <lkft@...aro.org>
> > 
> > Build log:
> > ---
> > drivers/s390/cio/qdio_main.c: In function 'qdio_int_handler':
> > drivers/s390/cio/qdio_main.c:761:52: error: incompatible type for
> > argument 2 of 'ccw_device_start'
> >   761 |                 rc = ccw_device_start(cdev, irq_ptr->ccw,
> > intparm, 0, 0);
> >       |                                             ~~~~~~~^~~~~
> >       |                                                    |
> >       |                                                    struct ccw1
> > In file included from arch/s390/include/asm/qdio.h:13,
> >                  from drivers/s390/cio/qdio_main.c:18:
> > arch/s390/include/asm/ccwdev.h:172:50: note: expected 'struct ccw1 *'
> > but argument is of type 'struct ccw1'
> >   172 | extern int ccw_device_start(struct ccw_device *, struct ccw1 *,
> >       |                                                  ^~~~~~~~~~~~~
> > make[3]: *** [scripts/Makefile.build:289: drivers/s390/cio/qdio_main.o] Error 1
> > 
> > 
> > Suspected commit:
> > --------
> > s390/qdio: handle deferred cc1
> >   [ Upstream commit 607638faf2ff1cede37458111496e7cc6c977f6f ]
> 
> This is due to a type change of field 'ccw' in 'struct qdio_irq' that
> was introduced in v5.17 via commit 718ce9e10171 ("s390/qdio: avoid
> allocating the qdio_irq with GFP_DMA").
> 
> The following change to commit 607638faf2ff ("s390/qdio: handle deferred
> cc1") fixes the compile error on v5.15:
> 
> --- a/drivers/s390/cio/qdio_main.c
> +++ b/drivers/s390/cio/qdio_main.c
> @@ -758,7 +758,7 @@ void qdio_int_handler(struct ccw_device *cdev, unsigned long intparm,
> 
>  	if (rc == -EAGAIN) {
>  		DBF_DEV_EVENT(DBF_INFO, irq_ptr, "qint retry");
> -		rc = ccw_device_start(cdev, irq_ptr->ccw, intparm, 0, 0);
> +		rc = ccw_device_start(cdev, &irq_ptr->ccw, intparm, 0, 0);
>  		if (!rc)
>  			return;
>  		DBF_ERROR("%4x RETRY ERR", irq_ptr->schid.sch_no);
> 
> 

Fix now made, thanks for this!

greg k-h