Just rebased to the latest lapic5 branch, found SMP patch is there, so kernel APIC SMP is working on your side? But I don't think you can even pass BIOS CPU enumeration. -Xin
>-----Original Message----- >From: Li, Xin B >Sent: Wednesday, August 22, 2007 10:17 PM >To: Li, Xin B; kvm-devel@lists.sourceforge.net >Subject: RE: [kvm-devel] [PATCH] Fix BIOS CPU enumeration > >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
