Re: [PATCH] x86/MCE: Get microcode revision from cpu_info instead of boot_cpu_data

2018-06-01 Thread Borislav Petkov
On Fri, Jun 01, 2018 at 12:32:02PM +, Sironi, Filippo wrote: > I've that patch in my tree already, I can post it. > I'm still curious on why you'd prefer to use boot_cpu_data for all > CPUs instead of using cpu_data(m->extcpu) though. Well, for starters, boot_cpu_data having stale revision is

Re: [PATCH] x86/MCE: Get microcode revision from cpu_info instead of boot_cpu_data

2018-06-01 Thread Sironi, Filippo
> On 1. Jun 2018, at 14:19, Borislav Petkov wrote: > > On Fri, Jun 01, 2018 at 01:30:26PM +0200, Filippo Sironi wrote: >> Commit fa94d0c6e0f3 ("x86/MCE: Save microcode revision in machine check >> records") extended MCE entries to report the microcode revision taken >> from boot_cpu_data. Unfortu

Re: [PATCH] x86/MCE: Get microcode revision from cpu_info instead of boot_cpu_data

2018-06-01 Thread Borislav Petkov
On Fri, Jun 01, 2018 at 01:30:26PM +0200, Filippo Sironi wrote: > Commit fa94d0c6e0f3 ("x86/MCE: Save microcode revision in machine check > records") extended MCE entries to report the microcode revision taken > from boot_cpu_data. Unfortunately, boot_cpu_data isn't updated on late > microcode load

[PATCH] x86/MCE: Get microcode revision from cpu_info instead of boot_cpu_data

2018-06-01 Thread Filippo Sironi
Commit fa94d0c6e0f3 ("x86/MCE: Save microcode revision in machine check records") extended MCE entries to report the microcode revision taken from boot_cpu_data. Unfortunately, boot_cpu_data isn't updated on late microcode loading, thus making MCE entries slightly incorrect. Use cpu_info instead, w