... of the > futex guts. > > Futex PI calls and robust list exits ... futex_atomic_cmpxchg_inatomic support. > > Detect the functionality at runtime instead by calling > cmpxchg_futex_value_locked ... Oops on s390 since we enable low address protection in the ...

linux-kernel - Heiko Carstens - Feb 16 2008 - 08:42

... arch implementations do > > + * runtime detection of the futex_atomic_cmpxchg_inatomic() > > + * functionality. We want ... robust lists in that case. NULL is > > + * guaranteed to fault and ... Oops on s390 since we enable low address > protection in the ...

linux-kernel - Thomas Gleixner - Feb 16 2008 - 09:05

... arch implementations do > > > + * runtime detection of the futex_atomic_cmpxchg_inatomic() > > > + * functionality. We want ... robust lists in that case. NULL is > > > + * guaranteed to fault and ... fail? You're accessing a kernel space address here and no ...

linux-kernel - Heiko Carstens - Feb 16 2008 - 09:41

... It's an requirement for futex support. > > > Indeed it does fail ... Oops on s390 since we enable low address > > > protection in the ... return -ENOSYS, which keeps the robust/pi stuff disabled. > > ...one of ... Never mind, I'll go and fix our own stuff instead ...

linux-kernel - Thomas Gleixner - Feb 16 2008 - 09:48

... all architectures, but... > > It's an requirement for futex support. To be more precise: dereferencing alone won't cause an ... unmap page 0, it contains per-cpu data -- like exception pointers and all such stuff that the cpu needs. Just in case there ...

linux-kernel - Heiko Carstens - Feb 16 2008 - 10:04

... suddenly started removing me from the cc's on mm-commits replies. Please don't, else I'll end up sending dud patches into mainline. More than usual, that is. Thanks. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in ...

linux-kernel - Andrew Morton - Feb 18 2008 - 09:00

... people have suddenly started removing me from the cc's on mm-commits > replies. Please don't, else I'll end up sending dud patches into mainline. Sorry.. I didn't remove you at all. That seems to be a bug in my mail client, for some reason it removes ...

linux-kernel - Heiko Carstens - Feb 18 2008 - 09:10

... have suddenly started removing me from the cc's on mm-commits > replies. Please don't, else I'll end up sending dud patches into mainline. Ah.. not a bug but a feature: your mails sent via mm-commit have you as sender but also Reply-to: linux- ...

linux-kernel - Heiko Carstens - Feb 18 2008 - 09:18

... > > It's an requirement for futex support. > > To be more precise: dereferencing ... contains per-cpu data -- like exception pointers and all such stuff > that the cpu ... S390 implementations which only read data and have an exception fixup. Thanks, ...

linux-kernel - Thomas Gleixner - Feb 16 2008 - 10:29

... the S390 implementations which only read data and have an exception > fixup. I have a ... happens because we are early at boot and haven't activated an mm). So ... etc... in a minute, and will cook a patch if it does. Cheers, Ben. -- To unsubscribe from ...

linux-kernel - Benjamin Herrenschmidt - Mar 26 2008 - 23:32

... the S390 implementations which only read data and have an exception > > fixup. > > I have a ... happens because we are early at boot and haven't activated an mm). So ... /etc... in a minute, and will cook a patch if it does. Ok, so everything released seems ...

linux-kernel - Benjamin Herrenschmidt - Mar 26 2008 - 23:48

... S390 implementations which only read data and have an exception > > > fixup. > > > > I have ... because we are early at boot and haven't activated an mm). ... in a minute, and will cook a patch if it does. > ... not a daily git update, and this never bit on 4xx ...

linux-kernel - Josh Boyer - Mar 27 2008 - 08:03