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authorDavid S. Miller <davem@davemloft.net>2013-02-09 03:02:14 +0400
committerDavid S. Miller <davem@davemloft.net>2013-02-09 03:02:14 +0400
commitfd5023111cf720db890ef34f305ac5d427e690a0 (patch)
tree4d21e9a02bfbdafe5fc598af0755db791238dbe7 /arch/s390
parent8b9a4d56866e0dca6ae886ed9bff777e50d0b70c (diff)
parent836dc9e3fbbab0c30aa6e664417225f5c1fb1c39 (diff)
downloadlinux-fd5023111cf720db890ef34f305ac5d427e690a0.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Synchronize with 'net' in order to sort out some l2tp, wireless, and ipv6 GRE fixes that will be built on top of in 'net-next'. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/s390')
-rw-r--r--arch/s390/include/asm/pgtable.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h
index c1d7930a82f4..098adbb62660 100644
--- a/arch/s390/include/asm/pgtable.h
+++ b/arch/s390/include/asm/pgtable.h
@@ -1365,6 +1365,18 @@ static inline void pmdp_invalidate(struct vm_area_struct *vma,
__pmd_idte(address, pmdp);
}
+#define __HAVE_ARCH_PMDP_SET_WRPROTECT
+static inline void pmdp_set_wrprotect(struct mm_struct *mm,
+ unsigned long address, pmd_t *pmdp)
+{
+ pmd_t pmd = *pmdp;
+
+ if (pmd_write(pmd)) {
+ __pmd_idte(address, pmdp);
+ set_pmd_at(mm, address, pmdp, pmd_wrprotect(pmd));
+ }
+}
+
static inline pmd_t mk_pmd_phys(unsigned long physpage, pgprot_t pgprot)
{
pmd_t __pmd;