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proc_cpuinfo: Add PPIN support for AMD

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Newer AMD CPUs support a feature called protected processor
identification number (PPIN). This feature can be detected via
CPUID_Fn80000008_EBX[23].
This commit is contained in:
Brian Inglis 2020-04-10 22:35:28 -06:00 committed by Corinna Vinschen
parent 3d1360113d
commit 073edd5329
1 changed files with 1 additions and 0 deletions
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winsup/cygwin/fhandler_proc.cc
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@ -1262,6 +1262,7 @@ format_proc_cpuinfo (void *, char *&destbuf)
/* ftcprint (features1, 14, "ibrs" ); */ /* ind br restricted spec */ /* ftcprint (features1, 14, "ibrs" ); */ /* ind br restricted spec */
/* ftcprint (features1, 15, "stibp"); */ /* 1 thread ind br pred */ /* ftcprint (features1, 15, "stibp"); */ /* 1 thread ind br pred */
/* ftcprint (features1, 17, "stibp_always_on"); */ /* stibp always on */ /* ftcprint (features1, 17, "stibp_always_on"); */ /* stibp always on */
ftcprint (features1, 23, "amd_ppin"); /* protected proc id no */
/* ftcprint (features1, 24, "ssbd"); */ /* spec store byp dis */ /* ftcprint (features1, 24, "ssbd"); */ /* spec store byp dis */
ftcprint (features1, 25, "virt_ssbd"); /* vir spec store byp dis */ ftcprint (features1, 25, "virt_ssbd"); /* vir spec store byp dis */
/* ftcprint (features1, 26, "ssb_no"); */ /* ssb fixed in hardware */ /* ftcprint (features1, 26, "ssb_no"); */ /* ssb fixed in hardware */