Messages in this thread | | | Date | Fri, 29 Aug 2008 19:08:51 +0200 | From | Andi Kleen <> | Subject | Re: [PATCH] seqlock: serialize against writers |
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No idea on the problem itself because I don't understand it, just:
> Given that, we either need to address the const requirement > for userspace, alter userspace's usage, or find another way to address > the deadlock. Any ideas?
In the worst case you can always disable the vsyscall gtod() and thus the need for a user space safe seqlock_t, but it will hurt some workloads significantly.
-Andi
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