From 17c0293b47b5dc16ae64bbd656acd26fe7d7044b Mon Sep 17 00:00:00 2001 From: Andrew Cooper Date: Thu, 29 Nov 2018 18:16:01 +0000 Subject: [PATCH] x86/cpuid: Drop the synthetic X86_FEATURE_XEN_IBPB This appears to be a vestigial remnent of an old version of the XSA-254/Spectre series, and has never been used. Signed-off-by: Andrew Cooper Reviewed-by: Jan Beulich --- xen/include/asm-x86/cpufeatures.h | 1 - 1 file changed, 1 deletion(-) diff --git a/xen/include/asm-x86/cpufeatures.h b/xen/include/asm-x86/cpufeatures.h index f2a1fa1eb3..0c0627467e 100644 --- a/xen/include/asm-x86/cpufeatures.h +++ b/xen/include/asm-x86/cpufeatures.h @@ -25,7 +25,6 @@ XEN_CPUFEATURE(XEN_SMAP, (FSCAPINTS+0)*32+11) /* SMAP gets used by Xen it XEN_CPUFEATURE(LFENCE_DISPATCH, (FSCAPINTS+0)*32+12) /* lfence set as Dispatch Serialising */ XEN_CPUFEATURE(IND_THUNK_LFENCE,(FSCAPINTS+0)*32+13) /* Use IND_THUNK_LFENCE */ XEN_CPUFEATURE(IND_THUNK_JMP, (FSCAPINTS+0)*32+14) /* Use IND_THUNK_JMP */ -XEN_CPUFEATURE(XEN_IBPB, (FSCAPINTS+0)*32+15) /* IBRSB || IBPB */ XEN_CPUFEATURE(SC_MSR_PV, (FSCAPINTS+0)*32+16) /* MSR_SPEC_CTRL used by Xen for PV */ XEN_CPUFEATURE(SC_MSR_HVM, (FSCAPINTS+0)*32+17) /* MSR_SPEC_CTRL used by Xen for HVM */ XEN_CPUFEATURE(SC_RSB_PV, (FSCAPINTS+0)*32+18) /* RSB overwrite needed for PV */ -- 2.30.2