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SubjectRe: [PATCH 5.4 000/320] 5.4.174-rc1 review
* Naresh Kamboju <naresh.kamboju@linaro.org>:
> > On 1/24/22 12:39, Greg Kroah-Hartman wrote:
> > > This is the start of the stable review cycle for the 5.4.174 release.
> > > There are 320 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 Wed, 26 Jan 2022 18:39:11 +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-5.4.174-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-5.4.y
> > > and the diffstat can be found below.
> > >
> > > thanks,
> > >
> > > greg k-h
> >
>
> [...]
>
> This is from PA-RISC with gcc-8, gcc-9, gcc-10, gcc-11:
>
> > /builds/linux/drivers/parisc/sba_iommu.c: In function 'sba_io_pdir_entry':
> > /builds/linux/arch/parisc/include/asm/special_insns.h:11:3: error: expected ':' or ')' before 'ASM_EXCEPTIONTABLE_ENTRY'
> > ASM_EXCEPTIONTABLE_ENTRY(8b, 9b) \
> > ^~~~~~~~~~~~~~~~~~~~~~~~
>
> Bisection of the latter points to "parisc: Fix lpa and lpa_user defines".
>
> commit 73c8c7ecdc141c20c9dbc8f3ec176e233942b0d9
> parisc: Fix lpa and lpa_user defines
> [ commit db19c6f1a2a353cc8dec35b4789733a3cf6e2838 upstream ]

Naresh, thanks for noticing and bisecting!

The problem is, that in v5.4.x we are missing to include a header file
which is probably already indirectly included in the other Linux versions.

Greg, can you either drop this commit:

commit 73c8c7ecdc141c20c9dbc8f3ec176e233942b0d9
parisc: Fix lpa and lpa_user defines

or simply add the patch below to the commit?

Either solution which is easier for you is ok.

Thanks,
Helge


diff --git a/drivers/parisc/sba_iommu.c b/drivers/parisc/sba_iommu.c
index e410033b6df0..e72990c92add 100644
--- a/drivers/parisc/sba_iommu.c
+++ b/drivers/parisc/sba_iommu.c
@@ -31,6 +31,7 @@
#include <asm/byteorder.h>
#include <asm/io.h>
#include <asm/dma.h> /* for DMA_CHUNK_SIZE */
+#include <asm/uaccess.h>

#include <asm/hardware.h> /* for register_parisc_driver() stuff */
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