Now on lapic5 branch, we can run Windows guests, both 32bit and 64bit are OK, but Linux still has problems. And we will send out the SMP patches for review soon.
-Xin >-----Original Message----- >From: [EMAIL PROTECTED] >[mailto:[EMAIL PROTECTED] On Behalf Of Li, Xin B >Sent: Wednesday, August 22, 2007 10:08 PM >To: kvm-devel@lists.sourceforge.net >Subject: [kvm-devel] [PATCH] Fix BIOS CPU enumeration > >KVM BIOS uses the following code to delay an expected milliseconds > >void delay_ms(int n) >{ > int i, j; > for(i = 0; i < n; i++) { > /* approximative ! */ > for(j = 0; j < 1000000; j++); > } >} > >It's OK when we run APIC in user level, but when APIC is in kernel, the >delayed time is not enough and causes BSP delays a too short peroid >that APs have no enough time to reach the point BIOS enumerates CPU, >so BIOS always reports only one CPU is detected in this VM. >The following patch fixed this issue. > >Signed-off-by: Xin Li <[EMAIL PROTECTED]> > >diff --git a/bios/rombios32.c b/bios/rombios32.c >index 1562047..9b200b9 100644 >--- a/bios/rombios32.c >+++ b/bios/rombios32.c >@@ -355,7 +355,8 @@ void delay_ms(int n) > { > int i, j; > for(i = 0; i < n; i++) { >-#ifdef BX_QEMU >+#if 0 >+//#ifdef BX_QEMU > /* approximative ! */ > for(j = 0; j < 1000000; j++); > #else > >--------------------------------------------------------------- >---------- >This SF.net email is sponsored by: Splunk Inc. >Still grepping through log files to find problems? Stop. >Now Search log events and configuration files using AJAX and a browser. >Download your FREE copy of Splunk now >> http://get.splunk.com/ >_______________________________________________ >kvm-devel mailing list >kvm-devel@lists.sourceforge.net >https://lists.sourceforge.net/lists/listinfo/kvm-devel > ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/ _______________________________________________ kvm-devel mailing list kvm-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kvm-devel
