git: 9front

Download patch

ref: c1f46f67d11ce2f46d79f769522076597a2396b5
parent: f0ac39fd0d394f9d1c317701fe7d889c4adf3609
author: cinap_lenrek <cinap_lenrek@felloff.net>
date: Tue Dec 8 11:34:36 EST 2020

pc, pc64: add *nomtrr= kernel parameter

--- a/sys/src/9/pc/devarch.c
+++ b/sys/src/9/pc/devarch.c
@@ -642,7 +642,7 @@
 	}
 #endif
 
-	if(m->cpuiddx & Mtrr)
+	if((m->cpuiddx & Mtrr) != 0 && getconf("*nomtrr") == nil)
 		mtrrsync();
 
 	if(strcmp(m->cpuidid, "GenuineIntel") == 0 && (m->cpuidcx & Rdrnd) != 0)
--