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0115f8b1a2
ERETU returns from an event handler while making a transition to ring 3, and ERETS returns from an event handler while staying in ring 0. Add instruction opcodes used by ERET[US] to the x86 opcode map; opcode numbers are per FRED spec v5.0. Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com> Signed-off-by: Xin Li <xin3.li@intel.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de> Tested-by: Shan Kang <shan.kang@intel.com> Reviewed-by: Masami Hiramatsu (Google) <mhiramat@kernel.org> Link: https://lore.kernel.org/r/20231205105030.8698-10-xin3.li@intel.com |
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