x86/cpufeatures: Add AMD feature bits for Speculation Control
AMD exposes the PRED_CMD/SPEC_CTRL MSRs slightly differently to Intel. See http://lkml.kernel.org/r/2b3e25cc-286d-8bd0-aeaf-9ac4aae39de8@amd.comSigned-off-by: NDavid Woodhouse <dwmw@amazon.co.uk> Signed-off-by: NThomas Gleixner <tglx@linutronix.de> Reviewed-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Tom Lendacky <thomas.lendacky@amd.com> Cc: gnomes@lxorguk.ukuu.org.uk Cc: ak@linux.intel.com Cc: ashok.raj@intel.com Cc: dave.hansen@intel.com Cc: karahmed@amazon.de Cc: arjan@linux.intel.com Cc: torvalds@linux-foundation.org Cc: peterz@infradead.org Cc: bp@alien8.de Cc: pbonzini@redhat.com Cc: tim.c.chen@linux.intel.com Cc: gregkh@linux-foundation.org Link: https://lkml.kernel.org/r/1516896855-7642-4-git-send-email-dwmw@amazon.co.uk
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