On Tue, Jan 23, 2018 at 03:07:18PM +0000, Suzuki K Poulose wrote: > On 23/01/18 14:59, Dave Martin wrote: > >On Tue, Jan 23, 2018 at 12:27:55PM +0000, Suzuki K Poulose wrote: > >>We trigger CPU errata work around check on the boot CPU from > >>smp_prepare_boot_cpu() to make sure that we run the checks only > >>after the CPU feature infrastructure is initialised. > > > >On the surface of it, this sounds like a bug fix. > > No, this is not. It is just moving the code to cpufeature.c > > Earlier it was : > > smp_prepare_boot_cpu() -> cpuinfo_store_boot_cpu() -> init_cpu_features() > > and then we did update_cpu_errata_workarounds() after we have done > cpuinfo_store_boot_cpu(). With this change we do : > > smp_prepare_boot_cpu() -> cpuinfo_store_boot_cpu() -> init_cpu_features() -> > update_cpu_errata_workarounds() > > > > > >Should there be a Fixes tag if so? > > > >If this reordering doesn't matter for upstream, it would be good to have > >a quick explanation here as to why not. > > Sure, will make it clearer.
Fair enough -- thanks. I was a bit sketchy on the exact code flow here. [...] Cheers ---Dave