Messages in this thread | | | Date | Fri, 12 Nov 2021 08:55:31 +0100 | Subject | Re: [PATCH v4 01/17] perf: Protect perf_guest_cbs with RCU | From | Paolo Bonzini <> |
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On 11/11/21 11:47, Peter Zijlstra wrote: >> This technically could be RCU_INIT_POINTER but it's not worth a respin. >> There are dozens of other occurrences, and if somebody wanted they >> could use Coccinelle to fix all of them. > I've been pushing the other way, trying to get rid of RCU_INIT_POINTER() > since rcu_assign_pointer(, NULL) actualy DTRT per __builtin_constant_p() > etc.
Oh, that's pretty cool to know, thanks!
Paolo
> There's a very few sites where we use RCU_INIT_POINTER() with a !NULL > argument, and those are 'special'. >
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