[PATCH 4.9 73/87] x86/cpufeatures: Disentangle MSR_SPEC_CTRL enumeration from IBRS

2018-05-21 Thread Greg Kroah-Hartman
4.9-stable review patch. If anyone has any objections, please let me know. -- From: Thomas Gleixner commit 7eb8956a7fec3c1f0abc2a5517dada99ccc8a961 upstream The availability of the SPEC_CTRL MSR is enumerated by a CPUID bit on Intel and implied by IBRS or

[PATCH 4.9 73/87] x86/cpufeatures: Disentangle MSR_SPEC_CTRL enumeration from IBRS

2018-05-21 Thread Greg Kroah-Hartman
4.9-stable review patch. If anyone has any objections, please let me know. -- From: Thomas Gleixner commit 7eb8956a7fec3c1f0abc2a5517dada99ccc8a961 upstream The availability of the SPEC_CTRL MSR is enumerated by a CPUID bit on Intel and implied by IBRS or STIBP support on