Commit 836251bf authored by Paolo Bonzini's avatar Paolo Bonzini Committed by Greg Kroah-Hartman

Revert "KVM: x86: Increase the number of fixed MTRR regs to 10"

commit 0d234daf upstream.

This reverts commit 682367c4,
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.
Reported-by: default avatarWanpeng Li <wanpeng.li@linux.intel.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent f5c694cf
...@@ -95,7 +95,7 @@ static inline gfn_t gfn_to_index(gfn_t gfn, gfn_t base_gfn, int level) ...@@ -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_REFILL_PAGES 25
#define KVM_MAX_CPUID_ENTRIES 80 #define KVM_MAX_CPUID_ENTRIES 80
#define KVM_NR_FIXED_MTRR_REGION 88 #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 #define ASYNC_PF_PER_VCPU 64
......
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