diff options
| author | Joerg Roedel <joerg.roedel@amd.com> | 2008-02-21 15:50:14 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-02-26 12:55:57 +0100 |
| commit | 4147c8747eace9058c606b35e700060297edaf91 (patch) | |
| tree | 32f5756301ad9be74a5ea8e31789f13724f7a414 /arch/x86/kernel/cpu | |
| parent | 5d119b2c9a490e2d647eae134211b32a18a04c7d (diff) | |
x86: don't print a warning when MTRR are blank and running in KVM
Inside a KVM virtual machine the MTRRs are usually blank. This confuses Linux
and causes a warning message at boot. This patch removes that warning message
when running Linux as a KVM guest.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/cpu')
| -rw-r--r-- | arch/x86/kernel/cpu/mtrr/main.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/arch/x86/kernel/cpu/mtrr/main.c b/arch/x86/kernel/cpu/mtrr/main.c index c8fda3eb3d7..be83336fddb 100644 --- a/arch/x86/kernel/cpu/mtrr/main.c +++ b/arch/x86/kernel/cpu/mtrr/main.c @@ -43,6 +43,7 @@ #include <asm/uaccess.h> #include <asm/processor.h> #include <asm/msr.h> +#include <asm/kvm_para.h> #include "mtrr.h" u32 num_var_ranges = 0; @@ -689,8 +690,11 @@ int __init mtrr_trim_uncached_memory(unsigned long end_pfn) /* kvm/qemu doesn't have mtrr set right, don't trim them all */ if (!highest_pfn) { - printk(KERN_WARNING "WARNING: strange, CPU MTRRs all blank?\n"); - WARN_ON(1); + if (!kvm_para_available()) { + printk(KERN_WARNING + "WARNING: strange, CPU MTRRs all blank?\n"); + WARN_ON(1); + } return 0; } |