[PATCH] X86: remove WARN_ON if MTRRs are all blank

Joerg Roedel
2008-02-21T11:33:16Z

When running Linux inside KVM all MTRRs are blank because there is no reason to
set them up. So doing a WARN_ON if all MTRRs are blank is not necessary. It is
sufficient to print the warning message using printk.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
---
arch/x86/kernel/cpu/mtrr/main.c | 1 -
1 files changed, 0 insertions(+), 1 deletions(-)

diff --git a/arch/x86/kernel/cpu/mtrr/main.c b/arch/x86/kernel/cpu/mtrr/main.c
index b6e136f..e7f95a9 100644
--- a/arch/x86/kernel/cpu/mtrr/main.c
+++ b/arch/x86/kernel/cpu/mtrr/main.c
@@ -689,7 +689,6 @@ 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);
return 0;
}

--
1.5.3.7