NuKVM/memtest86plus
3
0
Fork 0
mirror of https://github.com/memtest86plus/memtest86plus.git synced 2025-02-25 18:55:23 -06:00
Code Issues Packages Projects Releases Wiki Activity

Fix a detection issue caused by some Pre-ZEN AMD CPUs sometimes incorrectly reporting SMT as supported

Browse Source
This commit is contained in:
Sam Demeulemeester
2022-05-21 01:31:06 +02:00
parent 3bc72c1fd4
commit dce2cfb079
1 changed files with 5 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
system/cpuid.c
View File

@@ -166,7 +166,11 @@ void cpuid_init(void)
thread_per_core = 2;
}
} else if (cpuid_info.flags.htt) {
thread_per_core = 2;
if (cpuid_info.version.extendedFamily >= 8) {
thread_per_core = 2;
} else {
cpuid_info.flags.htt = 0; // Pre-ZEN never has SMT
}
}
cpuid_info.topology.core_count = cpuid_info.topology.thread_count / thread_per_core;
}