Re: [PATCH] x86/microcode: Check microcode revision before updating sibling threads

[Henrique de Moraes Holschuh]

On Fri, 16 Feb 2018, Ashok Raj wrote:
> After updating microcode on one of the threads in the core, the
> thread sibling automatically gets the update since the microcode
> resources are shared. Check the ucode revision on the cpu before
> performing a ucode update.

I wonder when this broke, because it used to do that just fine.

I even had to explain to a couple Debian users that no, nothing was
broken and yes, while it looked like the kernel was skipping some
"CPUs", it was actually updating all of them...

-- 
  Henrique Holschuh