lkml.org 
[lkml]   [2007]   [Jan]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Subject[PATCH 23/33] KVM: MMU: If an empty shadow page is not empty, report more info
FromAvi Kivity <>
DateThu, 04 Jan 2007 16:12:07 -0000
Signed-off-by: Avi Kivity <avi@qumranet.com>

Index: linux-2.6/drivers/kvm/mmu.c
===================================================================
--- linux-2.6.orig/drivers/kvm/mmu.c
+++ linux-2.6/drivers/kvm/mmu.c
@@ -305,12 +305,16 @@ static void rmap_write_protect(struct kv

static int is_empty_shadow_page(hpa_t page_hpa)
{
- u32 *pos;
- u32 *end;
- for (pos = __va(page_hpa), end = pos + PAGE_SIZE / sizeof(u32);
+ u64 *pos;
+ u64 *end;
+
+ for (pos = __va(page_hpa), end = pos + PAGE_SIZE / sizeof(u64);
pos != end; pos++)
- if (*pos != 0)
+ if (*pos != 0) {
+ printk(KERN_ERR "%s: %p %llx\n", __FUNCTION__,
+ pos, *pos);
return 0;
+ }
return 1;
}

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
\
 
 \ /
  Last update: 2007-01-04 17:15    [from the cache]
©2003-2010