X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=include%2Fasm-generic%2Ffutex.h;h=f422df0956a27025deb4c6cdbbc5a47646f74c9e;hb=efffbeee5bc4168059683714b300d307f5193d69;hp=3ae2c73475490dce46039b7964b1c91d6cb91180;hpb=b8c475be7bf9b79e6417c08d7a921b2e8cb04258;p=mirror_ubuntu-bionic-kernel.git

diff --git a/include/asm-generic/futex.h b/include/asm-generic/futex.h
index 3ae2c7347549..f422df0956a2 100644
--- a/include/asm-generic/futex.h
+++ b/include/asm-generic/futex.h
@@ -21,7 +21,7 @@ futex_atomic_op_inuser (int encoded_op, int __user *uaddr)
 	if (! access_ok (VERIFY_WRITE, uaddr, sizeof(int)))
 		return -EFAULT;
 
-	inc_preempt_count();
+	pagefault_disable();
 
 	switch (op) {
 	case FUTEX_OP_SET:
@@ -33,7 +33,7 @@ futex_atomic_op_inuser (int encoded_op, int __user *uaddr)
 		ret = -ENOSYS;
 	}
 
-	dec_preempt_count();
+	pagefault_enable();
 
 	if (!ret) {
 		switch (cmp) {
@@ -49,5 +49,11 @@ futex_atomic_op_inuser (int encoded_op, int __user *uaddr)
 	return ret;
 }
 
+static inline int
+futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval)
+{
+	return -ENOSYS;
+}
+
 #endif
 #endif