On Thursday 13 August 2009 08:27:44 Michael Schnell wrote: > Mike Frysinger wrote: > > asm/futex.h is for kernel code, not userspace code > > Right, but as you state in the lkml article you mentioned above (part > of) the code in that file can be run "in process context".
process context doesnt mean user mode. it means kernel space is running on behalf of a process. this is different from interrupt context where the kernel is running on behalf of a hardware interrupt. i.e. the former can sleep while the latter cannot. -mike
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