On Sun, Jan 22, 2017 at 01:06:47AM +0000, André Przywara wrote: > > If we still needs it, > > First: we definitely need this symbol, since it guards an implementation > defined register and the Cortex-A53 does not define it. So we have to > confine its use to the ARMv7 Cortex CPUs.
Ack. > > x86 has a CONFIG_SMP symbol, that would be > > better to just leverage that. > > Sounds tempting, but this seems to be a generic symbol that enables SMP > support _within_ U-Boot, so it allows multiple cores to execute U-Boot > code. This is clearly not what we want. Defining it seems to enable > architecture specific and generic code paths in U-Boot. > > I can rename this symbol if that helps to avoid confusion, for instance > to read CONFIG_SUNXI_NO_ACTLR_SMP or to CONFIG_CPU_IS_NOT_SMP or > CONFIG_CPU_IS_UP. There's nothing sunxi specific about it, the last one is better imho. Thanks! Maxime -- Maxime Ripard, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com
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