Messages in this thread | | | Date | Fri, 14 Feb 2020 11:54:55 -0800 | From | Sean Christopherson <> | Subject | Re: [PATCH] kvm/emulate: fix a -Werror=cast-function-type |
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On Fri, Feb 14, 2020 at 08:33:50PM +0100, Paolo Bonzini wrote: > On 14/02/20 20:14, Qian Cai wrote: > >> It seems misguided to define a local variable just to get an implicit > >> cast from (void *) to (fastop_t). Sean's first suggestion gives you > >> the same implicit cast without the local variable. The second > >> suggestion makes both casts explicit. > > > > OK, I'll do a v2 using the first suggestion which looks simpler once it passed > > compilations. > > > > Another interesting possibility is to use an unnamed union of a > (*execute) function pointer and a (*fastop) function pointer.
I considered that when introducing fastop_t. I don't remember why I didn't go that route. It's entirely possible I completely forgot that anonymous unions are allowed and thought it would mean changing a bunch of use sites.
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