Re: [PATCH] x86/cpu/AMD: Fix CPB bit for more processors

2018-11-16 Thread Borislav Petkov
On Fri, Nov 16, 2018 at 01:31:06PM +0800, Jiaxun Yang wrote: > CPUID Fn8000_0007_EDX[CPB] is wrongly 0 on Model 17, > Stepping 0, but revision guide has not been released for > newer Family 17h models. > > Tesed on AMD "Ryzen 7 2700U with Radeon Vega Mobile Gfx" > and "AMD Ryzen 5 2500U with Radeo

[PATCH] x86/cpu/AMD: Fix CPB bit for more processors

2018-11-15 Thread Jiaxun Yang
CPUID Fn8000_0007_EDX[CPB] is wrongly 0 on Model 17, Stepping 0, but revision guide has not been released for newer Family 17h models. Tesed on AMD "Ryzen 7 2700U with Radeon Vega Mobile Gfx" and "AMD Ryzen 5 2500U with Radeon Vega Mobile Gfx", their CPUID Fn_0001_EAX is 0x00810f10 and should