Messages in this thread |  | | | Date | Sat, 14 Feb 2004 01:28:05 +0100 | | From | Andi Kleen <> | | Subject | Re: [PATCH] [2.6] [1/2] hlist: replace explicit checks of hlist fields w/ func calls |
On Tue, 10 Feb 2004 22:57:43 -0800 Alex Pankratov <ap@swapped.cc> wrote:
> Ugh, yeah, I thought about this. However my understand was that > since hlist_null is statically allocated variable, its address > will be a known constant at a link time (whether it's a static > link or dynamic/run-time link - btw, excuse my lack of proper > terminology here). So comparing something to &null would be > equivalent to comparing to the constant and not require an > extra register.
Hmm, you're right. Apparently I was still thinking about the bad code generated by the standard list_heads. I guess it would be ok then.
Still your first patch was rather intrusive regarding interface changes, so it may be a good idea to wait for 2.7 with this.
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