Hi Helge,

On Mon, 8 Oct 2018 at 11:36, Helge Deller <[email protected]> wrote:
>
> On 08.10.2018 07:52, Firoz Khan wrote:
> > Hi Helge,
> >
> > On Mon, 8 Oct 2018 at 11:11, Helge Deller <[email protected]> wrote:
> >>
> >> On 08.10.2018 07:16, Firoz Khan wrote:
> >>> Signed-off-by: Firoz Khan <[email protected]>
> >>> ---
> >>>  arch/parisc/kernel/syscalls/syscall.tbl | 3 ++-
> >>>  1 file changed, 2 insertions(+), 1 deletion(-)
> >>>
> >>> diff --git a/arch/parisc/kernel/syscalls/syscall.tbl 
> >>> b/arch/parisc/kernel/syscalls/syscall.tbl
> >>> index 4e85293..4334bb7 100644
> >>> --- a/arch/parisc/kernel/syscalls/syscall.tbl
> >>> +++ b/arch/parisc/kernel/syscalls/syscall.tbl
> >>> @@ -349,4 +349,5 @@
> >>>  347     common  preadv2                         sys_preadv2              
> >>>        compat_sys_preadv2
> >>>  348     common  pwritev2                        sys_pwritev2             
> >>>        compat_sys_pwritev2
> >>>  349     common  statx                           sys_statx
> >>> -350  common  io_pgetevents                   sys_io_pgetevents           
> >>>     compat_sys_io_pgetevents
> >>> \ No newline at end of file
> >>> +350  common  io_pgetevents                   sys_io_pgetevents           
> >>>     compat_sys_io_pgetevents
> >>> +351  common  rseq                            sys_rseq                    
> >>>     compat_sys_rseq
> >>
> >> You can't add the rseq syscall for parisc yet.
> >> It needs additional code in the kernel for parisc which hasn't been tested 
> >> yet.
> >> See my initial untested patch at 
> >> https://patchwork.kernel.org/patch/10495209/
> >
> > Thanks for your update!
> >
> > When I compiled the kernel I got below warnings.
> >
> > <stdin>:696:2: warning: #warning syscall nfsservctl not implemented [-Wcpp]
> > <stdin>:1335:2: warning: #warning syscall rseq not implemented [-Wcpp]
> >
> > I added an IGNORE entry nfsservctl in script/checksyscalls.sh because this
> > syscall is gone. But we definitely have to keep rseq entry on parisc
> > architecture.
>
> I prefer to keep the warning for rseq for now.

I'm fine with this.

> It reminds me that we still may want the rseq syscall.
> If the warning is a problem, you may simply add the __IGNORE_rseq define.

But I still feel to keep an IGNORE entry, so once you test your patch; we can
remove IGNORE entry and update the syscall.tbl.

I would like you to take the call here :)

Thanks
Firoz

>
> > I can ignore this patch currently as your patch not yet tested.
> >
> > FYI, I have merged the system call table files based on our previous
> > discussions.
> > Please comment on that.
>
> I'll do after testing.
>
> Thanks!
> Helge
>
> > I would appreciate if you can perform a boot test without this patch
> > on the actual
> > platform.
> >
> > Firoz
> >
> >>
> >> Helge
>
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