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kvm: Force 'notsc' and 'earlyprintk' kernel parameters

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We don't support TSC calibration properly and we want early printk so force
them as kernel parameters.

Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
This commit is contained in:
Pekka Enberg
2015-06-01 16:39:39 +01:00
committed by Will Deacon
parent 13a7760f97
commit 2525eb1f05
1 changed files with 6 additions and 1 deletions
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main.c
+6 -1
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@@ -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);