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.
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. 

> 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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