Re: [Xen-devel] [PATCH] x86: Move microcode loading earlier

2017-04-19 Thread Jan Beulich
>>> On 18.04.17 at 17:47, wrote: > Move microcode loading earlier for the boot CPU and secondary CPUs so > that it takes place before identify_cpu() is called for each CPU. > Without this, the detected features may be wrong if the new microcode > loading adjusts the feature bits. That could mean t

Re: [Xen-devel] [PATCH] x86: Move microcode loading earlier

2017-04-19 Thread Julien Grall
Hi Andrew, On 19/04/17 12:12, Andrew Cooper wrote: On 18/04/17 16:47, Ross Lagerwall wrote: Move microcode loading earlier for the boot CPU and secondary CPUs so that it takes place before identify_cpu() is called for each CPU. Without this, the detected features may be wrong if the new microco

Re: [Xen-devel] [PATCH] x86: Move microcode loading earlier

2017-04-19 Thread Andrew Cooper
On 18/04/17 16:47, Ross Lagerwall wrote: > Move microcode loading earlier for the boot CPU and secondary CPUs so > that it takes place before identify_cpu() is called for each CPU. > Without this, the detected features may be wrong if the new microcode > loading adjusts the feature bits. That could

[Xen-devel] [PATCH] x86: Move microcode loading earlier

2017-04-18 Thread Ross Lagerwall
Move microcode loading earlier for the boot CPU and secondary CPUs so that it takes place before identify_cpu() is called for each CPU. Without this, the detected features may be wrong if the new microcode loading adjusts the feature bits. That could mean that some fixes (e.g. d6e9f8d4f35d ("x86/vm