[OE-core] Syscall backporting and linux-libc-headers

[Koen Kooi]

Op 22 mrt. 2012, om 15:49 heeft Richard Purdie het volgende geschreven:

> On Thu, 2012-03-22 at 13:22 +0100, Koen Kooi wrote:
>> In my never ending quest to get consolekit/polkit/etc working properly
>> I've found that CONFIG_AUDITSYSCALL is really usefull (it's usefull in
>> other contexts as well, but that's outside the oe-core set of
>> recipes). It has the following problem:
>> 
>> config AUDITSYSCALL
>>        bool "Enable system-call auditing support"
>>        depends on AUDIT && (X86 || PPC || S390 || IA64 || UML ||
>> SPARC64 || SUPERH)
>> 
>> No MIPS or ARM support. There recently was a pull request from Al Viro
>> to get at least ARM support into mainline, but I'm not sure what
>> happened to that. Anyway, I backported the ARM patch to 3.0 and 3.2,
>> but to make it usefull I'd need to patch linux-libc-headers and bump
>> PR on virtual/libc.
>> 
>> What's the OE-core position on backporting syscalls to
>> linux-libc-headers? 
> 
> Why can't we just increase the linux-libc-headers version?

In this case that would be perfectly fine. And bump PR in virtual/libc of course :)

> Presumably
> someone running a kernel without the patches won't see any issue, the
> syscall just won't be present and software will fall back?

Exactly

> I think the big concern would be deviating from mainline as its not so
> much a backport as a divergence at this point (and this is why we can't
> just upgrade)?

Speaking of divergence, what is the point of having linux-libc-headers-yocto_git.bb ?

regards,

Koen