Messages in this thread | | | Subject | Re: [PATCH] s390 (9/9): no timer interrupts in idle. | From | Martin Schwidefsky <> | Date | Wed, 21 Apr 2004 18:37:29 +0200 |
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> > This would mean that all other arches need to do the above three > > statements in rcu_start_batch. If this is acceptable we certainly > > can introduce a global idle_cpu_mask. Where? sched.c? > > My hope was gcc would actually optimize it away if it was a CPP constant > instead of a variable.
Now I got it. You want to introduce a generic idle_cpu_mask which is a #define to CPU_MASK_NONE and only an exploiter would use a real variable. This is just a matter of test. I'll give it a try.
blue skies, Martin
Linux/390 Design & Development, IBM Deutschland Entwicklung GmbH Schönaicherstr. 220, D-71032 Böblingen, Telefon: 49 - (0)7031 - 16-2247 E-Mail: schwidefsky@de.ibm.com
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