Merge branch 'core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

* 'core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (63 commits)
  stacktrace: provide save_stack_trace_tsk() weak alias
  rcu: provide RCU options on non-preempt architectures too
  printk: fix discarding message when recursion_bug
  futex: clean up futex_(un)lock_pi fault handling
  "Tree RCU": scalable classic RCU implementation
  futex: rename field in futex_q to clarify single waiter semantics
  x86/swiotlb: add default swiotlb_arch_range_needs_mapping
  x86/swiotlb: add default phys<->bus conversion
  x86: unify pci iommu setup and allow swiotlb to compile for 32 bit
  x86: add swiotlb allocation functions
  swiotlb: consolidate swiotlb info message printing
  swiotlb: support bouncing of HighMem pages
  swiotlb: factor out copy to/from device
  swiotlb: add arch hook to force mapping
  swiotlb: allow architectures to override phys<->bus<->phys conversions
  swiotlb: add comment where we handle the overflow of a dma mask on 32 bit
  rcu: fix rcutorture behavior during reboot
  resources: skip sanity check of busy resources
  swiotlb: move some definitions to header
  swiotlb: allow architectures to override swiotlb pool allocation
  ...

Fix up trivial conflicts in
  arch/x86/kernel/Makefile
  arch/x86/mm/init_32.c
  include/linux/hardirq.h
as per Ingo's suggestions.

1 files changed, 4 insertions, 4 deletions

diff --git a/arch/x86/lib/usercopy_32.c b/arch/x86/lib/usercopy_32.c
index 9e68075544f6..4a20b2f9a381 100644
--- a/arch/x86/lib/usercopy_32.c
+++ b/arch/x86/lib/usercopy_32.c
@@ -39,7 +39,7 @@ static inline int __movsl_is_ok(unsigned long a1, unsigned long a2, unsigned lon
 #define __do_strncpy_from_user(dst, src, count, res)                       \
 do {                                                                       \
         int __d0, __d1, __d2;                                              \
-        might_sleep();                                                     \
+        might_fault();                                                     \
         __asm__ __volatile__(                                              \
                 "       testl %1,%1\n"                                     \
                 "       jz 2f\n"                                           \
@@ -126,7 +126,7 @@ EXPORT_SYMBOL(strncpy_from_user);
 #define __do_clear_user(addr,size)                                      \
 do {                                                                    \
         int __d0;                                                       \
-        might_sleep();                                                  \
+        might_fault();                                                  \
         __asm__ __volatile__(                                           \
                 "0:     rep; stosl\n"                                   \
                 "       movl %2,%0\n"                                   \
@@ -155,7 +155,7 @@ do {									\
 unsigned long
 clear_user(void __user *to, unsigned long n)
 {
-        might_sleep();
+        might_fault();
         if (access_ok(VERIFY_WRITE, to, n))
                 __do_clear_user(to, n);
         return n;
@@ -197,7 +197,7 @@ long strnlen_user(const char __user *s, long n)
         unsigned long mask = -__addr_ok(s);
         unsigned long res, tmp;
 
-        might_sleep();
+        might_fault();
 
         __asm__ __volatile__(
                 "       testl %0, %0\n"