From 2525eb1f059edc27adec9ad3e593dc87a3a0e5cd Mon Sep 17 00:00:00 2001 From: Pekka Enberg Date: Sun, 11 Apr 2010 20:55:56 +0300 Subject: [PATCH] kvm: Force 'notsc' and 'earlyprintk' kernel parameters We don't support TSC calibration properly and we want early printk so force them as kernel parameters. Signed-off-by: Pekka Enberg --- main.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/main.c b/main.c index 61253fd..df8b787 100644 --- a/main.c +++ b/main.c @@ -21,6 +21,7 @@ int main(int argc, char *argv[]) const char *kernel_filename = NULL; const char *kernel_cmdline = NULL; bool single_step = false; + char real_cmdline[128]; struct kvm *kvm; int i; @@ -51,7 +52,11 @@ int main(int argc, char *argv[]) kvm__setup_cpuid(kvm); - if (!kvm__load_kernel(kvm, kernel_filename, kernel_cmdline)) + strcpy(real_cmdline, "notsc earlyprintk=serial,keep "); + if (kernel_cmdline) + strcat(real_cmdline, kernel_cmdline); + + if (!kvm__load_kernel(kvm, kernel_filename, real_cmdline)) die("unable to load kernel %s", kernel_filename); kvm__reset_vcpu(kvm);