diff options
| author | Paolo Bonzini <pbonzini@redhat.com> | 2014-08-18 16:39:48 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2014-08-19 15:12:28 +0200 |
| commit | 0d234daf7e0a3290a3a20c8087eefbd6335a5bd4 (patch) | |
| tree | ac5623ee51094af0c3a0c07ca8366716351b3c7f | |
| parent | 9a4cfb27f7233610c5ddc82329c26d39683fad72 (diff) | |
| download | linux-0d234daf7e0a3290a3a20c8087eefbd6335a5bd4.tar.gz linux-0d234daf7e0a3290a3a20c8087eefbd6335a5bd4.tar.bz2 linux-0d234daf7e0a3290a3a20c8087eefbd6335a5bd4.zip | |
Revert "KVM: x86: Increase the number of fixed MTRR regs to 10"
This reverts commit 682367c494869008eb89ef733f196e99415ae862,
which causes 32-bit SMP Windows 7 guests to panic.
SeaBIOS has a limit on the number of MTRRs that it can handle,
and this patch exceeded the limit. Better revert it.
Thanks to Nadav Amit for debugging the cause.
Cc: stable@nongnu.org
Reported-by: Wanpeng Li <wanpeng.li@linux.intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
| -rw-r--r-- | arch/x86/include/asm/kvm_host.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index 572460175ba5..7c492ed9087b 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -95,7 +95,7 @@ static inline gfn_t gfn_to_index(gfn_t gfn, gfn_t base_gfn, int level) #define KVM_REFILL_PAGES 25 #define KVM_MAX_CPUID_ENTRIES 80 #define KVM_NR_FIXED_MTRR_REGION 88 -#define KVM_NR_VAR_MTRR 10 +#define KVM_NR_VAR_MTRR 8 #define ASYNC_PF_PER_VCPU 64 |