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Groups > linux.kernel > #1209005
| From | Peter Zijlstra <peterz@infradead.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: Can I use static keys from asm? |
| Date | 2015-08-18 04:30 +0200 |
| Message-ID | <pYEP0-11i-11@gated-at.bofh.it> (permalink) |
| References | <pYE2B-8d3-1@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Mon, Aug 17, 2015 at 06:34:08PM -0700, Andy Lutomirski wrote: > 2. Context tracking enabled in config but completely disabled at > runtime. Distros do this. I want to nop out the context tracking > hooks. We have a static_key for this, but half the hooks are in asm. > To unsuck case 2, static keys in asm would help. Can I do that? It > would be even better if I could do that in 4.3. I think Anton did a number of patches to enable static_key usage in asm on PowerPC. x86 would need a bit of work but nothing makes it fundamentally impossible. -- 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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Can I use static keys from asm? Andy Lutomirski <luto@amacapital.net> - 2015-08-18 03:40 +0200 Re: Can I use static keys from asm? Peter Zijlstra <peterz@infradead.org> - 2015-08-18 04:30 +0200
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