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fhandler_proc.cc(format_proc_cpuinfo): fix AMD physical cores count

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Fix AMD physical cores count documented as core_info low byte + 1.
This commit is contained in:
Brian Inglis 2019-10-07 10:23:00 -06:00 committed by Ken Brown
parent 6234028f99
commit 9f73e24847
1 changed files with 1 additions and 2 deletions
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3
winsup/cygwin/fhandler_proc.cc
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@ -885,11 +885,10 @@ format_proc_cpuinfo (void *, char *&destbuf)
cpuid (&unused, &unused, &core_info, &unused, 0x80000008); cpuid (&unused, &unused, &core_info, &unused, 0x80000008);
cpuid (&unused, &cus, &unused, &unused, 0x8000001e); cpuid (&unused, &cus, &unused, &unused, 0x8000001e);
siblings = (core_info & 0xff) + 1; siblings = cpu_cores = (core_info & 0xff) + 1;
logical_bits = (core_info >> 12) & 0xf; logical_bits = (core_info >> 12) & 0xf;
cus = ((cus >> 8) & 0x3) + 1; cus = ((cus >> 8) & 0x3) + 1;
ht_bits = mask_bits (cus); ht_bits = mask_bits (cus);
cpu_cores = siblings >> ht_bits;
} }
else if (maxe >= 0x80000008) else if (maxe >= 0x80000008)
{ {