From 9f73e24847c55b19f57e0c86ee83f4ec332af555 Mon Sep 17 00:00:00 2001 From: Brian Inglis Date: Mon, 7 Oct 2019 10:23:00 -0600 Subject: [PATCH] fhandler_proc.cc(format_proc_cpuinfo): fix AMD physical cores count Fix AMD physical cores count documented as core_info low byte + 1. --- winsup/cygwin/fhandler_proc.cc | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/winsup/cygwin/fhandler_proc.cc b/winsup/cygwin/fhandler_proc.cc index 78518baf9..c94cde910 100644 --- a/winsup/cygwin/fhandler_proc.cc +++ b/winsup/cygwin/fhandler_proc.cc @@ -885,11 +885,10 @@ format_proc_cpuinfo (void *, char *&destbuf) cpuid (&unused, &unused, &core_info, &unused, 0x80000008); cpuid (&unused, &cus, &unused, &unused, 0x8000001e); - siblings = (core_info & 0xff) + 1; + siblings = cpu_cores = (core_info & 0xff) + 1; logical_bits = (core_info >> 12) & 0xf; cus = ((cus >> 8) & 0x3) + 1; ht_bits = mask_bits (cus); - cpu_cores = siblings >> ht_bits; } else if (maxe >= 0x80000008) {