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Andi Kleen wrote:
> If you just want to save one mmap/allocation: I think the context switch
> overhead will be more expensive than the allocation.
And two more things:
1. every process will already use the prctl(ARCH_SET_FS). We are
talking here only about the 2nd thread and later. We need to use
prctl(ARCH_SET_FS) for TLS support.
2. May I remind you that you were in the crowd who complained when we
requested a dedicated thread register? Yes, I still would prefer that
but I have no energy to battle for that.
- --
- --------------. ,-. 444 Castro Street
Ulrich Drepper \ ,-----------------' \ Mountain View, CA 94041 USA
Red Hat `--' drepper at redhat.com `---------------------------
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