[PATCH 13/18] KVM: MMU: Avoid heavy ASSERT at non debug mode.

From: Avi Kivity
Date: Thu Apr 26 2007 - 05:24:49 EST


From: Yaozu Dong <eddie.dong@xxxxxxxxx>

Signed-off-by: Avi Kivity <avi@xxxxxxxxxxxx>
---
drivers/kvm/mmu.c | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/drivers/kvm/mmu.c b/drivers/kvm/mmu.c
index c814394..8ccf84e 100644
--- a/drivers/kvm/mmu.c
+++ b/drivers/kvm/mmu.c
@@ -52,11 +52,15 @@ static void kvm_mmu_audit(struct kvm_vcpu *vcpu, const char *msg) {}
static int dbg = 1;
#endif

+#ifndef MMU_DEBUG
+#define ASSERT(x) do { } while (0)
+#else
#define ASSERT(x) \
if (!(x)) { \
printk(KERN_WARNING "assertion failed %s:%d: %s\n", \
__FILE__, __LINE__, #x); \
}
+#endif

#define PT64_PT_BITS 9
#define PT64_ENT_PER_PAGE (1 << PT64_PT_BITS)
@@ -434,6 +438,7 @@ static void rmap_write_protect(struct kvm_vcpu *vcpu, u64 gfn)
}
}

+#ifdef MMU_DEBUG
static int is_empty_shadow_page(hpa_t page_hpa)
{
u64 *pos;
@@ -448,6 +453,7 @@ static int is_empty_shadow_page(hpa_t page_hpa)
}
return 1;
}
+#endif

static void kvm_mmu_free_page(struct kvm_vcpu *vcpu, hpa_t page_hpa)
{
--
1.5.0.6

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/