* [PATCH] Fix get_page_from_l1e and cleanup_page_cacheattr to use PGC_cacheattr_mask
@ 2009-05-14 10:12 Patrick Colp
0 siblings, 0 replies; 4+ messages in thread
From: Patrick Colp @ 2009-05-14 10:12 UTC (permalink / raw)
To: xen-devel
# HG changeset patch
# User Patrick Colp <Patrick.Colp@citrix.com>
# Date 1242295647 -3600
# Node ID c5098f5c5caf4174bd2e46d49d7b65109203f7c5
# Parent 2522cc95efd2f3fadf7342d18fe86e8f37f89c2a
Fix get_page_from_l1e and cleanup_page_cacheattr to use PGC_cacheattr_mask.
Signed-off-by: Patrick Colp <Patrick.Colp@citrix.com>
diff -r 2522cc95efd2 -r c5098f5c5caf xen/arch/x86/mm.c
--- a/xen/arch/x86/mm.c Mon May 11 13:52:04 2009 +0100
+++ b/xen/arch/x86/mm.c Thu May 14 11:07:27 2009 +0100
@@ -766,7 +766,7 @@
goto could_not_pin;
if ( pte_flags_to_cacheattr(l1f) !=
- ((page->count_info >> PGC_cacheattr_base) & 7) )
+ ((page->count_info & PGC_cacheattr_mask) >> PGC_cacheattr_base) )
{
unsigned long x, nx, y = page->count_info;
unsigned long cacheattr = pte_flags_to_cacheattr(l1f);
@@ -782,7 +782,7 @@
return 0;
}
- while ( ((y >> PGC_cacheattr_base) & 7) != cacheattr )
+ while ( ((y & PGC_cacheattr_mask) >> PGC_cacheattr_base) != cacheattr )
{
x = y;
nx = (x & ~PGC_cacheattr_mask) | (cacheattr << PGC_cacheattr_base);
@@ -2389,7 +2389,8 @@
void cleanup_page_cacheattr(struct page_info *page)
{
- uint32_t cacheattr = (page->count_info >> PGC_cacheattr_base) & 7;
+ uint32_t cacheattr =
+ (page->count_info & PGC_cacheattr_mask) >> PGC_cacheattr_base;
if ( likely(cacheattr == 0) )
return;
^ permalink raw reply [flat|nested] 4+ messages in thread
* [PATCH] Fix get_page_from_l1e and cleanup_page_cacheattr to use PGC_cacheattr_mask
@ 2009-05-15 8:09 Patrick Colp
0 siblings, 0 replies; 4+ messages in thread
From: Patrick Colp @ 2009-05-15 8:09 UTC (permalink / raw)
To: xen-devel
# HG changeset patch
# User Patrick Colp <Patrick.Colp@citrix.com>
# Date 1242295647 -3600
# Node ID c5098f5c5caf4174bd2e46d49d7b65109203f7c5
# Parent 2522cc95efd2f3fadf7342d18fe86e8f37f89c2a
Fix get_page_from_l1e and cleanup_page_cacheattr to use PGC_cacheattr_mask.
Signed-off-by: Patrick Colp <Patrick.Colp@citrix.com>
diff -r 2522cc95efd2 -r c5098f5c5caf xen/arch/x86/mm.c
--- a/xen/arch/x86/mm.c Mon May 11 13:52:04 2009 +0100
+++ b/xen/arch/x86/mm.c Thu May 14 11:07:27 2009 +0100
@@ -766,7 +766,7 @@
goto could_not_pin;
if ( pte_flags_to_cacheattr(l1f) !=
- ((page->count_info >> PGC_cacheattr_base) & 7) )
+ ((page->count_info & PGC_cacheattr_mask) >> PGC_cacheattr_base) )
{
unsigned long x, nx, y = page->count_info;
unsigned long cacheattr = pte_flags_to_cacheattr(l1f);
@@ -782,7 +782,7 @@
return 0;
}
- while ( ((y >> PGC_cacheattr_base) & 7) != cacheattr )
+ while ( ((y & PGC_cacheattr_mask) >> PGC_cacheattr_base) != cacheattr )
{
x = y;
nx = (x & ~PGC_cacheattr_mask) | (cacheattr << PGC_cacheattr_base);
@@ -2389,7 +2389,8 @@
void cleanup_page_cacheattr(struct page_info *page)
{
- uint32_t cacheattr = (page->count_info >> PGC_cacheattr_base) & 7;
+ uint32_t cacheattr =
+ (page->count_info & PGC_cacheattr_mask) >> PGC_cacheattr_base;
if ( likely(cacheattr == 0) )
return;
^ permalink raw reply [flat|nested] 4+ messages in thread
* [PATCH] Fix get_page_from_l1e and cleanup_page_cacheattr to use PGC_cacheattr_mask
@ 2009-05-15 8:37 Patrick Colp
0 siblings, 0 replies; 4+ messages in thread
From: Patrick Colp @ 2009-05-15 8:37 UTC (permalink / raw)
To: xen-devel
# HG changeset patch
# User Patrick Colp <Patrick.Colp@citrix.com>
# Date 1242295647 -3600
# Node ID c5098f5c5caf4174bd2e46d49d7b65109203f7c5
# Parent 2522cc95efd2f3fadf7342d18fe86e8f37f89c2a
Fix get_page_from_l1e and cleanup_page_cacheattr to use PGC_cacheattr_mask.
Signed-off-by: Patrick Colp <Patrick.Colp@citrix.com>
diff -r 2522cc95efd2 -r c5098f5c5caf xen/arch/x86/mm.c
--- a/xen/arch/x86/mm.c Mon May 11 13:52:04 2009 +0100
+++ b/xen/arch/x86/mm.c Thu May 14 11:07:27 2009 +0100
@@ -766,7 +766,7 @@
goto could_not_pin;
if ( pte_flags_to_cacheattr(l1f) !=
- ((page->count_info >> PGC_cacheattr_base) & 7) )
+ ((page->count_info & PGC_cacheattr_mask) >> PGC_cacheattr_base) )
{
unsigned long x, nx, y = page->count_info;
unsigned long cacheattr = pte_flags_to_cacheattr(l1f);
@@ -782,7 +782,7 @@
return 0;
}
- while ( ((y >> PGC_cacheattr_base) & 7) != cacheattr )
+ while ( ((y & PGC_cacheattr_mask) >> PGC_cacheattr_base) != cacheattr )
{
x = y;
nx = (x & ~PGC_cacheattr_mask) | (cacheattr << PGC_cacheattr_base);
@@ -2389,7 +2389,8 @@
void cleanup_page_cacheattr(struct page_info *page)
{
- uint32_t cacheattr = (page->count_info >> PGC_cacheattr_base) & 7;
+ uint32_t cacheattr =
+ (page->count_info & PGC_cacheattr_mask) >> PGC_cacheattr_base;
if ( likely(cacheattr == 0) )
return;
^ permalink raw reply [flat|nested] 4+ messages in thread
* [PATCH] Fix get_page_from_l1e and cleanup_page_cacheattr to use PGC_cacheattr_mask
@ 2009-05-15 9:01 Patrick Colp
0 siblings, 0 replies; 4+ messages in thread
From: Patrick Colp @ 2009-05-15 9:01 UTC (permalink / raw)
To: xen-devel
# HG changeset patch
# User Patrick Colp <Patrick.Colp@citrix.com>
# Date 1242295647 -3600
# Node ID c5098f5c5caf4174bd2e46d49d7b65109203f7c5
# Parent 2522cc95efd2f3fadf7342d18fe86e8f37f89c2a
Fix get_page_from_l1e and cleanup_page_cacheattr to use PGC_cacheattr_mask.
Signed-off-by: Patrick Colp <Patrick.Colp@citrix.com>
diff -r 2522cc95efd2 -r c5098f5c5caf xen/arch/x86/mm.c
--- a/xen/arch/x86/mm.c Mon May 11 13:52:04 2009 +0100
+++ b/xen/arch/x86/mm.c Thu May 14 11:07:27 2009 +0100
@@ -766,7 +766,7 @@
goto could_not_pin;
if ( pte_flags_to_cacheattr(l1f) !=
- ((page->count_info >> PGC_cacheattr_base) & 7) )
+ ((page->count_info & PGC_cacheattr_mask) >> PGC_cacheattr_base) )
{
unsigned long x, nx, y = page->count_info;
unsigned long cacheattr = pte_flags_to_cacheattr(l1f);
@@ -782,7 +782,7 @@
return 0;
}
- while ( ((y >> PGC_cacheattr_base) & 7) != cacheattr )
+ while ( ((y & PGC_cacheattr_mask) >> PGC_cacheattr_base) != cacheattr )
{
x = y;
nx = (x & ~PGC_cacheattr_mask) | (cacheattr << PGC_cacheattr_base);
@@ -2389,7 +2389,8 @@
void cleanup_page_cacheattr(struct page_info *page)
{
- uint32_t cacheattr = (page->count_info >> PGC_cacheattr_base) & 7;
+ uint32_t cacheattr =
+ (page->count_info & PGC_cacheattr_mask) >> PGC_cacheattr_base;
if ( likely(cacheattr == 0) )
return;
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2009-05-15 9:01 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
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2009-05-15 8:37 [PATCH] Fix get_page_from_l1e and cleanup_page_cacheattr to use PGC_cacheattr_mask Patrick Colp
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