Messages in this thread | | | Date | Tue, 7 Dec 1999 11:16:27 +0100 (CET) | From | Ingo Molnar <> | Subject | Re: [patch] new spinlock variant, spinlock-2.3.30-A4 |
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On Fri, 3 Dec 1999, Manfred wrote:
> Ingo, do your new spin_lock() functions clobber any registers? This > would further increase the costs in "real life".
which one do you mean? The 'LOCK-less' does, but i included those costs in the 15 cycles number. [such spinlocks would not be inlined] The 'decl' one [for which i've sent the patch] doesnt clobber any register.
-- mingo
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