Messages in this thread | | | Date | Tue, 13 Dec 2005 19:26:23 -0800 (PST) | Subject | Re: [PATCH] atomic_long_t & include/asm-generic/atomic.h V2 | From | "David S. Miller" <> |
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From: Andi Kleen <ak@suse.de> Date: Wed, 14 Dec 2005 03:57:10 +0100
> > > How about requiring that all 64-bit archs implement atomic64_t and do: > > > > It may be reasonable to have 64 bit arches that are not > > capable of 64 bit atomic ops. As far as I can remember sparc was initially > > a 32 bit platform without 32 bit atomic ops. > > Why? I don't think we have any crippled 64bit platforms like this. > And if somebody wants to port linux to such a hypothetical crippled > 64bit platform they can do the necessary work themselves. > > Or just implement 64bit atomic_t with spinlocks.
I definitely agree with Andi here. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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