Re: Strange Linux behaviour with blocking syscalls and stop signals+SIGCONT

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> There must be some framework for changing the kernel ABI over time.
> We can't remain forever stuck with an ABI behaviour because 
> of the development model (i.e., no 2.7/2.8). 

Hi,

this has nothing to do with the development model. The userspace syscall
ABI *has* to be stable. If we make a mistake that's a high price but we
pay it. This fwiw is one of the reasons we are/should be very careful
with adding system calls, and make sure the behavior is indeed right.
It's also the reason we're not so happy about new ioctls; they're
effectively mini-system calls with the same ABI issues, but just less
controlled/reviewed/designed/visible.

Greetings,
  Arjan van de Ven

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