Linux-libre 4.5.3-gnupck-4.5.3-gnu

12 files changed, 72 insertions, 22 deletions

diff --git a/include/asm-generic/futex.h b/include/asm-generic/futex.h
index e56272c91..bf2d34c9d 100644
--- a/include/asm-generic/futex.h
+++ b/include/asm-generic/futex.h
@@ -108,11 +108,15 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
 	u32 val;
 
 	preempt_disable();
-	if (unlikely(get_user(val, uaddr) != 0))
+	if (unlikely(get_user(val, uaddr) != 0)) {
+		preempt_enable();
 		return -EFAULT;
+	}
 
-	if (val == oldval && unlikely(put_user(newval, uaddr) != 0))
+	if (val == oldval && unlikely(put_user(newval, uaddr) != 0)) {
+		preempt_enable();
 		return -EFAULT;
+	}
 
 	*uval = val;
 	preempt_enable();
diff --git a/include/drm/drm_cache.h b/include/drm/drm_cache.h
index 461a0558b..cebecff53 100644
--- a/include/drm/drm_cache.h
+++ b/include/drm/drm_cache.h
@@ -39,6 +39,8 @@ static inline bool drm_arch_can_wc_memory(void)
 {
 #if defined(CONFIG_PPC) && !defined(CONFIG_NOT_COHERENT_CACHE)
 	return false;
+#elif defined(CONFIG_MIPS) && defined(CONFIG_CPU_LOONGSON3)
+	return false;
 #else
 	return true;
 #endif
diff --git a/include/keys/trusted-type.h b/include/keys/trusted-type.h
index 42cf2d991..4ea7e55f2 100644
--- a/include/keys/trusted-type.h
+++ b/include/keys/trusted-type.h
@@ -38,7 +38,7 @@ struct trusted_key_options {
 	unsigned char pcrinfo[MAX_PCRINFO_SIZE];
 	int pcrlock;
 	uint32_t hash;
-	uint32_t digest_len;
+	uint32_t policydigest_len;
 	unsigned char policydigest[MAX_DIGEST_SIZE];
 	uint32_t policyhandle;
 };
diff --git a/include/linux/cgroup-defs.h b/include/linux/cgroup-defs.h
index 89d944b25..7fc7cb787 100644
--- a/include/linux/cgroup-defs.h
+++ b/include/linux/cgroup-defs.h
@@ -442,6 +442,7 @@ struct cgroup_subsys {
 	int (*can_attach)(struct cgroup_taskset *tset);
 	void (*cancel_attach)(struct cgroup_taskset *tset);
 	void (*attach)(struct cgroup_taskset *tset);
+	void (*post_attach)(void);
 	int (*can_fork)(struct task_struct *task);
 	void (*cancel_fork)(struct task_struct *task);
 	void (*fork)(struct task_struct *task);
diff --git a/include/linux/cpuset.h b/include/linux/cpuset.h
index fea160ee5..85a868ccb 100644
--- a/include/linux/cpuset.h
+++ b/include/linux/cpuset.h
@@ -137,8 +137,6 @@ static inline void set_mems_allowed(nodemask_t nodemask)
 	task_unlock(current);
 }
 
-extern void cpuset_post_attach_flush(void);
-
 #else /* !CONFIG_CPUSETS */
 
 static inline bool cpusets_enabled(void) { return false; }
@@ -245,10 +243,6 @@ static inline bool read_mems_allowed_retry(unsigned int seq)
 	return false;
 }
 
-static inline void cpuset_post_attach_flush(void)
-{
-}
-
 #endif /* !CONFIG_CPUSETS */
 
 #endif /* _LINUX_CPUSET_H */
diff --git a/include/linux/mlx5/device.h b/include/linux/mlx5/device.h
index 987764afa..f8b837929 100644
--- a/include/linux/mlx5/device.h
+++ b/include/linux/mlx5/device.h
@@ -363,6 +363,17 @@ enum {
 	MLX5_CAP_OFF_CMDIF_CSUM		= 46,
 };
 
+enum {
+	/*
+	 * Max wqe size for rdma read is 512 bytes, so this
+	 * limits our max_sge_rd as the wqe needs to fit:
+	 * - ctrl segment (16 bytes)
+	 * - rdma segment (16 bytes)
+	 * - scatter elements (16 bytes each)
+	 */
+	MLX5_MAX_SGE_RD	= (512 - 16 - 16) / 16
+};
+
 struct mlx5_inbox_hdr {
 	__be16		opcode;
 	u8		rsvd[4];
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 1043097e9..3ef2050ba 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1010,6 +1010,8 @@ static inline bool page_mapped(struct page *page)
 	page = compound_head(page);
 	if (atomic_read(compound_mapcount_ptr(page)) >= 0)
 		return true;
+	if (PageHuge(page))
+		return false;
 	for (i = 0; i < hpage_nr_pages(page); i++) {
 		if (atomic_read(&page[i]._mapcount) >= 0)
 			return true;
@@ -1117,6 +1119,8 @@ struct zap_details {
 
 struct page *vm_normal_page(struct vm_area_struct *vma, unsigned long addr,
 		pte_t pte);
+struct page *vm_normal_page_pmd(struct vm_area_struct *vma, unsigned long addr,
+				pmd_t pmd);
 
 int zap_vma_ptes(struct vm_area_struct *vma, unsigned long address,
 		unsigned long size);
diff --git a/include/linux/platform_data/mmp_dma.h b/include/linux/platform_data/mmp_dma.h
index 2a330ec9e..d1397c8ed 100644
--- a/include/linux/platform_data/mmp_dma.h
+++ b/include/linux/platform_data/mmp_dma.h
@@ -14,6 +14,7 @@
 
 struct mmp_dma_platdata {
 	int dma_channels;
+	int nb_requestors;
 };
 
 #endif /* MMP_DMA_H */
diff --git a/include/media/videobuf2-core.h b/include/media/videobuf2-core.h
index 8a0f55b6c..88e3ab496 100644
--- a/include/media/videobuf2-core.h
+++ b/include/media/videobuf2-core.h
@@ -375,6 +375,9 @@ struct vb2_ops {
 /**
  * struct vb2_ops - driver-specific callbacks
  *
+ * @verify_planes_array: Verify that a given user space structure contains
+ *			enough planes for the buffer. This is called
+ *			for each dequeued buffer.
  * @fill_user_buffer:	given a vb2_buffer fill in the userspace structure.
  *			For V4L2 this is a struct v4l2_buffer.
  * @fill_vb2_buffer:	given a userspace structure, fill in the vb2_buffer.
@@ -384,6 +387,7 @@ struct vb2_ops {
  *			the vb2_buffer struct.
  */
 struct vb2_buf_ops {
+	int (*verify_planes_array)(struct vb2_buffer *vb, const void *pb);
 	void (*fill_user_buffer)(struct vb2_buffer *vb, void *pb);
 	int (*fill_vb2_buffer)(struct vb2_buffer *vb, const void *pb,
 				struct vb2_plane *planes);
@@ -400,6 +404,9 @@ struct vb2_buf_ops {
  * @fileio_read_once:		report EOF after reading the first buffer
  * @fileio_write_immediately:	queue buffer after each write() call
  * @allow_zero_bytesused:	allow bytesused == 0 to be passed to the driver
+ * @quirk_poll_must_check_waiting_for_buffers: Return POLLERR at poll when QBUF
+ *              has not been called. This is a vb1 idiom that has been adopted
+ *              also by vb2.
  * @lock:	pointer to a mutex that protects the vb2_queue struct. The
  *		driver can set this to a mutex to let the v4l2 core serialize
  *		the queuing ioctls. If the driver wants to handle locking
@@ -463,6 +470,7 @@ struct vb2_queue {
 	unsigned			fileio_read_once:1;
 	unsigned			fileio_write_immediately:1;
 	unsigned			allow_zero_bytesused:1;
+	unsigned		   quirk_poll_must_check_waiting_for_buffers:1;
 
 	struct mutex			*lock;
 	void				*owner;
diff --git a/include/rdma/ib.h b/include/rdma/ib.h
index cf8f9e700..a6b93706b 100644
--- a/include/rdma/ib.h
+++ b/include/rdma/ib.h
@@ -34,6 +34,7 @@
 #define _RDMA_IB_H
 
 #include <linux/types.h>
+#include <linux/sched.h>
 
 struct ib_addr {
 	union {
@@ -86,4 +87,19 @@ struct sockaddr_ib {
 	__u64			sib_scope_id;
 };
 
+/*
+ * The IB interfaces that use write() as bi-directional ioctl() are
+ * fundamentally unsafe, since there are lots of ways to trigger "write()"
+ * calls from various contexts with elevated privileges. That includes the
+ * traditional suid executable error message writes, but also various kernel
+ * interfaces that can write to file descriptors.
+ *
+ * This function provides protection for the legacy API by restricting the
+ * calling context.
+ */
+static inline bool ib_safe_file_access(struct file *filp)
+{
+	return filp->f_cred == current_cred() && segment_eq(get_fs(), USER_DS);
+}
+
 #endif /* _RDMA_IB_H */
diff --git a/include/sound/hda_i915.h b/include/sound/hda_i915.h
index fa341fcb5..f5842bcd9 100644
--- a/include/sound/hda_i915.h
+++ b/include/sound/hda_i915.h
@@ -9,7 +9,7 @@
 #ifdef CONFIG_SND_HDA_I915
 int snd_hdac_set_codec_wakeup(struct hdac_bus *bus, bool enable);
 int snd_hdac_display_power(struct hdac_bus *bus, bool enable);
-int snd_hdac_get_display_clk(struct hdac_bus *bus);
+void snd_hdac_i915_set_bclk(struct hdac_bus *bus);
 int snd_hdac_sync_audio_rate(struct hdac_bus *bus, hda_nid_t nid, int rate);
 int snd_hdac_acomp_get_eld(struct hdac_bus *bus, hda_nid_t nid,
 			   bool *audio_enabled, char *buffer, int max_bytes);
@@ -25,9 +25,8 @@ static inline int snd_hdac_display_power(struct hdac_bus *bus, bool enable)
 {
 	return 0;
 }
-static inline int snd_hdac_get_display_clk(struct hdac_bus *bus)
+static inline void snd_hdac_i915_set_bclk(struct hdac_bus *bus)
 {
-	return 0;
 }
 static inline int snd_hdac_sync_audio_rate(struct hdac_bus *bus, hda_nid_t nid,
 					   int rate)
diff --git a/include/uapi/linux/v4l2-dv-timings.h b/include/uapi/linux/v4l2-dv-timings.h
index c039f1d68..086168e18 100644
--- a/include/uapi/linux/v4l2-dv-timings.h
+++ b/include/uapi/linux/v4l2-dv-timings.h
@@ -183,7 +183,8 @@
 
 #define V4L2_DV_BT_CEA_3840X2160P24 { \
 	.type = V4L2_DV_BT_656_1120, \
-	V4L2_INIT_BT_TIMINGS(3840, 2160, 0, V4L2_DV_HSYNC_POS_POL, \
+	V4L2_INIT_BT_TIMINGS(3840, 2160, 0, \
+		V4L2_DV_HSYNC_POS_POL | V4L2_DV_VSYNC_POS_POL, \
 		297000000, 1276, 88, 296, 8, 10, 72, 0, 0, 0, \
 		V4L2_DV_BT_STD_CEA861, \
 		V4L2_DV_FL_CAN_REDUCE_FPS | V4L2_DV_FL_IS_CE_VIDEO) \
@@ -191,14 +192,16 @@
 
 #define V4L2_DV_BT_CEA_3840X2160P25 { \
 	.type = V4L2_DV_BT_656_1120, \
-	V4L2_INIT_BT_TIMINGS(3840, 2160, 0, V4L2_DV_HSYNC_POS_POL, \
+	V4L2_INIT_BT_TIMINGS(3840, 2160, 0, \
+		V4L2_DV_HSYNC_POS_POL | V4L2_DV_VSYNC_POS_POL, \
 		297000000, 1056, 88, 296, 8, 10, 72, 0, 0, 0, \
 		V4L2_DV_BT_STD_CEA861, V4L2_DV_FL_IS_CE_VIDEO) \
 }
 
 #define V4L2_DV_BT_CEA_3840X2160P30 { \
 	.type = V4L2_DV_BT_656_1120, \
-	V4L2_INIT_BT_TIMINGS(3840, 2160, 0, V4L2_DV_HSYNC_POS_POL, \
+	V4L2_INIT_BT_TIMINGS(3840, 2160, 0, \
+		V4L2_DV_HSYNC_POS_POL | V4L2_DV_VSYNC_POS_POL, \
 		297000000, 176, 88, 296, 8, 10, 72, 0, 0, 0, \
 		V4L2_DV_BT_STD_CEA861, \
 		V4L2_DV_FL_CAN_REDUCE_FPS | V4L2_DV_FL_IS_CE_VIDEO) \
@@ -206,14 +209,16 @@
 
 #define V4L2_DV_BT_CEA_3840X2160P50 { \
 	.type = V4L2_DV_BT_656_1120, \
-	V4L2_INIT_BT_TIMINGS(3840, 2160, 0, V4L2_DV_HSYNC_POS_POL, \
+	V4L2_INIT_BT_TIMINGS(3840, 2160, 0, \
+		V4L2_DV_HSYNC_POS_POL | V4L2_DV_VSYNC_POS_POL, \
 		594000000, 1056, 88, 296, 8, 10, 72, 0, 0, 0, \
 		V4L2_DV_BT_STD_CEA861, V4L2_DV_FL_IS_CE_VIDEO) \
 }
 
 #define V4L2_DV_BT_CEA_3840X2160P60 { \
 	.type = V4L2_DV_BT_656_1120, \
-	V4L2_INIT_BT_TIMINGS(3840, 2160, 0, V4L2_DV_HSYNC_POS_POL, \
+	V4L2_INIT_BT_TIMINGS(3840, 2160, 0, \
+		V4L2_DV_HSYNC_POS_POL | V4L2_DV_VSYNC_POS_POL, \
 		594000000, 176, 88, 296, 8, 10, 72, 0, 0, 0, \
 		V4L2_DV_BT_STD_CEA861, \
 		V4L2_DV_FL_CAN_REDUCE_FPS | V4L2_DV_FL_IS_CE_VIDEO) \
@@ -221,7 +226,8 @@
 
 #define V4L2_DV_BT_CEA_4096X2160P24 { \
 	.type = V4L2_DV_BT_656_1120, \
-	V4L2_INIT_BT_TIMINGS(4096, 2160, 0, V4L2_DV_HSYNC_POS_POL, \
+	V4L2_INIT_BT_TIMINGS(4096, 2160, 0, \
+		V4L2_DV_HSYNC_POS_POL | V4L2_DV_VSYNC_POS_POL, \
 		297000000, 1020, 88, 296, 8, 10, 72, 0, 0, 0, \
 		V4L2_DV_BT_STD_CEA861, \
 		V4L2_DV_FL_CAN_REDUCE_FPS | V4L2_DV_FL_IS_CE_VIDEO) \
@@ -229,14 +235,16 @@
 
 #define V4L2_DV_BT_CEA_4096X2160P25 { \
 	.type = V4L2_DV_BT_656_1120, \
-	V4L2_INIT_BT_TIMINGS(4096, 2160, 0, V4L2_DV_HSYNC_POS_POL, \
+	V4L2_INIT_BT_TIMINGS(4096, 2160, 0, \
+		V4L2_DV_HSYNC_POS_POL | V4L2_DV_VSYNC_POS_POL, \
 		297000000, 968, 88, 128, 8, 10, 72, 0, 0, 0, \
 		V4L2_DV_BT_STD_CEA861, V4L2_DV_FL_IS_CE_VIDEO) \
 }
 
 #define V4L2_DV_BT_CEA_4096X2160P30 { \
 	.type = V4L2_DV_BT_656_1120, \
-	V4L2_INIT_BT_TIMINGS(4096, 2160, 0, V4L2_DV_HSYNC_POS_POL, \
+	V4L2_INIT_BT_TIMINGS(4096, 2160, 0, \
+		V4L2_DV_HSYNC_POS_POL | V4L2_DV_VSYNC_POS_POL, \
 		297000000, 88, 88, 128, 8, 10, 72, 0, 0, 0, \
 		V4L2_DV_BT_STD_CEA861, \
 		V4L2_DV_FL_CAN_REDUCE_FPS | V4L2_DV_FL_IS_CE_VIDEO) \
@@ -244,14 +252,16 @@
 
 #define V4L2_DV_BT_CEA_4096X2160P50 { \
 	.type = V4L2_DV_BT_656_1120, \
-	V4L2_INIT_BT_TIMINGS(4096, 2160, 0, V4L2_DV_HSYNC_POS_POL, \
+	V4L2_INIT_BT_TIMINGS(4096, 2160, 0, \
+		V4L2_DV_HSYNC_POS_POL | V4L2_DV_VSYNC_POS_POL, \
 		594000000, 968, 88, 128, 8, 10, 72, 0, 0, 0, \
 		V4L2_DV_BT_STD_CEA861, V4L2_DV_FL_IS_CE_VIDEO) \
 }
 
 #define V4L2_DV_BT_CEA_4096X2160P60 { \
 	.type = V4L2_DV_BT_656_1120, \
-	V4L2_INIT_BT_TIMINGS(4096, 2160, 0, V4L2_DV_HSYNC_POS_POL, \
+	V4L2_INIT_BT_TIMINGS(4096, 2160, 0, \
+		V4L2_DV_HSYNC_POS_POL | V4L2_DV_VSYNC_POS_POL, \
 		594000000, 88, 88, 128, 8, 10, 72, 0, 0, 0, \
 		V4L2_DV_BT_STD_CEA861, \
 		V4L2_DV_FL_CAN_REDUCE_FPS | V4L2_DV_FL_IS_CE_VIDEO) \