The patch titled
git-x86: PAT fix
has been added to the -mm tree. Its filename is
git-x86-pat-fix.patch
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------------------------------------------------------
Subject: git-x86: PAT fix
From: "Siddha, Suresh B" <[EMAIL PROTECTED]>
Fix the iounmap() to call free_matrr() unconditionally.
Signed-off-by: Suresh Siddha <[EMAIL PROTECTED]>
Tested-by: Balbir Singh <[EMAIL PROTECTED]>
Cc: Ingo Molnar <[EMAIL PROTECTED]>
Cc: Thomas Gleixner <[EMAIL PROTECTED]>
Cc: Andi Kleen <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
---
arch/x86/mm/ioremap_32.c | 7 +++----
arch/x86/mm/ioremap_64.c | 7 +++----
2 files changed, 6 insertions(+), 8 deletions(-)
diff -puN arch/x86/mm/ioremap_32.c~git-x86-pat-fix arch/x86/mm/ioremap_32.c
--- a/arch/x86/mm/ioremap_32.c~git-x86-pat-fix
+++ a/arch/x86/mm/ioremap_32.c
@@ -219,12 +219,11 @@ void iounmap(volatile void __iomem *addr
return;
}
+ free_mattr(p->phys_addr, p->phys_addr + get_vm_area_size(p),
+ p->flags>>20);
/* Reset the direct mapping. Can block */
- if (p->flags >> 20) {
- free_mattr(p->phys_addr, p->phys_addr + get_vm_area_size(p),
- p->flags>>20);
+ if (p->flags >> 20)
ioremap_change_attr(p->phys_addr, get_vm_area_size(p), 0);
- }
/* Finally remove it */
o = remove_vm_area((void *)addr);
diff -puN arch/x86/mm/ioremap_64.c~git-x86-pat-fix arch/x86/mm/ioremap_64.c
--- a/arch/x86/mm/ioremap_64.c~git-x86-pat-fix
+++ a/arch/x86/mm/ioremap_64.c
@@ -190,12 +190,11 @@ void iounmap(volatile void __iomem *addr
return;
}
+ free_mattr(p->phys_addr, p->phys_addr + get_vm_area_size(p),
+ p->flags>>20);
/* Reset the direct mapping. Can block */
- if (p->flags >> 20) {
- free_mattr(p->phys_addr, p->phys_addr + get_vm_area_size(p),
- p->flags>>20);
+ if (p->flags >> 20)
ioremap_change_attr(p->phys_addr, get_vm_area_size(p), 0);
- }
/* Finally remove it */
o = remove_vm_area((void *)addr);
_
Patches currently in -mm which might be from [EMAIL PROTECTED] are
git-x86.patch
git-x86-pat-fix.patch
-
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