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x86/bhi: Enumerate Branch History Injection (BHI) bug
authorPawan Gupta <pawan.kumar.gupta@linux.intel.com>
Mon, 11 Mar 2024 15:57:03 +0000 (08:57 -0700)
committerThomas Gleixner <tglx@linutronix.de>
Mon, 8 Apr 2024 17:27:05 +0000 (19:27 +0200)
commitbe482ff9500999f56093738f9219bbabc729d163
tree54497d8148d9e6286217ab8edb59f9c5b868be0atree
parent0f4a837615ff925ba62648d280a861adf1582df7commit | diff
x86/bhi: Enumerate Branch History Injection (BHI) bug

Mitigation for BHI is selected based on the bug enumeration. Add bits
needed to enumerate BHI bug.

Signed-off-by: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
Signed-off-by: Daniel Sneddon <daniel.sneddon@linux.intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Alexandre Chartre <alexandre.chartre@oracle.com>
Reviewed-by: Josh Poimboeuf <jpoimboe@kernel.org>
arch/x86/include/asm/cpufeatures.h diff | blob | history
arch/x86/include/asm/msr-index.h diff | blob | history
arch/x86/kernel/cpu/common.c diff | blob | history
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