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Re: [PATCH 3/4] Consolidate pread/pread64 implementations



On 24-02-2016 18:41, Mike Frysinger wrote:
> On 23 Feb 2016 15:42, Adhemerval Zanella wrote:
>> On 23-02-2016 14:57, Joseph Myers wrote:
>>> Also, you're including sysdeps/unix/sysv/linux/generic/sysdep.h for 
>>> architectures that don't use the generic ABI.  If that's safe, that 
>>> suggests it should just be merged into sysdeps/unix/sysv/linux/sysdep.h 
>>> (in a separate patch with a careful argument for why the merge is safe) 
>>> rather than keeping the headers separate.
>>
>> I decided to add it on generic sysdep.h because it is where port will get
>> the definition of __ALIGNMENT_ARG.  However I can split the second path
>> in two, one to include generic sysdep.h and another to define SYSCALL_LL{64}.
> 
> i don't think splitting the path addresses the contention.  Joseph's
> point (which i agree with) is that linux/generic/ is for the "generic
> ABI" which the kernel is trying to push for new arches.  if you have
> stuff which works across all linux ABI's, then instead of being in
> linux/generic/xxx, it should be in linux/xxx.
> 
> if that means some things get hoisted out of linux/generic/xxx and
> into linux/xxx, then that's OK.
> -mike
> 

I think then best approach would be move __ALIGNMENT_{ARG,COUNT} from generic
to linux/xxx and add the new SYSCALL_LL on linux/xxx as well.  What you think?


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