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On 12 Dec 2015 22:40, Phil Blundell wrote: > On Sat, 2015-12-12 at 21:57 +0100, Arnd Bergmann wrote: > > No other machines call register_isa_ports(), and I would very much > > expect this to stay that way, so we could still disable the code for > > ARMv7. > > I agree that it seems very unlikely anybody will be using these > functions on ARMv7. But, if we remove the legacy /proc/cpuinfo-based > stuff (which is certainly obsolete) as I suggested to Aurelien earlier, > the remaining cost of this code will be only a couple of hundred bytes > of binary size. At that point I think the potential benefit from > eliminating it on ARMv7 will be so small that isn't worth taking any > risk at all to do so, and we should just leave it alone. > > Obviously we should refrain from adding these functions to aarch64 :-) we can force people to fix new builds too by making the symbols visible only at runtime. if new code fails to link with missing symbols, we kwow they'll get noticed & fixed by at least distros. -mike
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