lkml.org 
[lkml]   [2012]   [Apr]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Subject[PATCH] KVM: MMU: use page table level macro
From
Date
From: Davidlohr Bueso <dave@gnu.org>

Its much cleaner to use PT_PAGE_TABLE_LEVEL than its numeric value.

Signed-off-by: Davidlohr Bueso <dave@gnu.org>
---
arch/x86/kvm/mmu.c | 2 +-
arch/x86/kvm/paging_tmpl.h | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 4cb1642..163a008 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -3554,7 +3554,7 @@ static bool detect_write_flooding(struct kvm_mmu_page *sp)
* Skip write-flooding detected for the sp whose level is 1, because
* it can become unsync, then the guest page is not write-protected.
*/
- if (sp->role.level == 1)
+ if (sp->role.level == PT_PAGE_TABLE_LEVEL)
return false;

return ++sp->write_flooding_count >= 3;
diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h
index df5a703..34f9709 100644
--- a/arch/x86/kvm/paging_tmpl.h
+++ b/arch/x86/kvm/paging_tmpl.h
@@ -658,7 +658,7 @@ static gpa_t FNAME(get_level1_sp_gpa)(struct kvm_mmu_page *sp)
{
int offset = 0;

- WARN_ON(sp->role.level != 1);
+ WARN_ON(sp->role.level != PT_PAGE_TABLE_LEVEL);

if (PTTYPE == 32)
offset = sp->role.quadrant << PT64_LEVEL_BITS;
--
1.7.4.1




\
 
 \ /
  Last update: 2012-04-18 22:37    [from the cache]
©2003-2011 Jasper Spaans