6 files changed, 33 insertions, 15 deletions

diff --git a/include/drm/drm_fixed.h b/include/drm/drm_fixed.h
index f5e1168c7647..d639049a613d 100644
--- a/include/drm/drm_fixed.h
+++ b/include/drm/drm_fixed.h
@@ -84,12 +84,12 @@ static inline int drm_fixp2int(int64_t a)
         return ((s64)a) >> DRM_FIXED_POINT;
 }
 
-static inline s64 drm_fixp_msbset(int64_t a)
+static inline unsigned drm_fixp_msbset(int64_t a)
 {
         unsigned shift, sign = (a >> 63) & 1;
 
         for (shift = 62; shift > 0; --shift)
-                if ((a >> shift) != sign)
+                if (((a >> shift) & 1) != sign)
                         return shift;
 
         return 0;
@@ -100,9 +100,9 @@ static inline s64 drm_fixp_mul(s64 a, s64 b)
         unsigned shift = drm_fixp_msbset(a) + drm_fixp_msbset(b);
         s64 result;
 
-        if (shift > 63) {
-                shift = shift - 63;
-                a >>= shift >> 1;
+        if (shift > 61) {
+                shift = shift - 61;
+                a >>= (shift >> 1) + (shift & 1);
                 b >>= shift >> 1;
         } else
                 shift = 0;
@@ -120,7 +120,7 @@ static inline s64 drm_fixp_mul(s64 a, s64 b)
 
 static inline s64 drm_fixp_div(s64 a, s64 b)
 {
-        unsigned shift = 63 - drm_fixp_msbset(a);
+        unsigned shift = 62 - drm_fixp_msbset(a);
         s64 result;
 
         a <<= shift;
@@ -154,7 +154,7 @@ static inline s64 drm_fixp_exp(s64 x)
         }
 
         if (x < 0)
-                sum = drm_fixp_div(1, sum);
+                sum = drm_fixp_div(DRM_FIXED_ONE, sum);
 
         return sum;
 }
diff --git a/include/linux/mlx5/device.h b/include/linux/mlx5/device.h
index 8de8d8f22384..737685e9e852 100644
--- a/include/linux/mlx5/device.h
+++ b/include/linux/mlx5/device.h
@@ -690,6 +690,26 @@ struct mlx5_query_cq_mbox_out {
         __be64                  pas[0];
 };
 
+struct mlx5_enable_hca_mbox_in {
+        struct mlx5_inbox_hdr   hdr;
+        u8                      rsvd[8];
+};
+
+struct mlx5_enable_hca_mbox_out {
+        struct mlx5_outbox_hdr  hdr;
+        u8                      rsvd[8];
+};
+
+struct mlx5_disable_hca_mbox_in {
+        struct mlx5_inbox_hdr   hdr;
+        u8                      rsvd[8];
+};
+
+struct mlx5_disable_hca_mbox_out {
+        struct mlx5_outbox_hdr  hdr;
+        u8                      rsvd[8];
+};
+
 struct mlx5_eq_context {
         u8                      status;
         u8                      ec_oi;
diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h
index f22e4419839b..2aa258b0ced1 100644
--- a/include/linux/mlx5/driver.h
+++ b/include/linux/mlx5/driver.h
@@ -101,6 +101,8 @@ enum {
         MLX5_CMD_OP_QUERY_ADAPTER               = 0x101,
         MLX5_CMD_OP_INIT_HCA                    = 0x102,
         MLX5_CMD_OP_TEARDOWN_HCA                = 0x103,
+        MLX5_CMD_OP_ENABLE_HCA                  = 0x104,
+        MLX5_CMD_OP_DISABLE_HCA                 = 0x105,
         MLX5_CMD_OP_QUERY_PAGES                 = 0x107,
         MLX5_CMD_OP_MANAGE_PAGES                = 0x108,
         MLX5_CMD_OP_SET_HCA_CAP                 = 0x109,
@@ -690,7 +692,7 @@ int mlx5_pagealloc_start(struct mlx5_core_dev *dev);
 void mlx5_pagealloc_stop(struct mlx5_core_dev *dev);
 void mlx5_core_req_pages_handler(struct mlx5_core_dev *dev, u16 func_id,
                                  s16 npages);
-int mlx5_satisfy_startup_pages(struct mlx5_core_dev *dev);
+int mlx5_satisfy_startup_pages(struct mlx5_core_dev *dev, int boot);
 int mlx5_reclaim_startup_pages(struct mlx5_core_dev *dev);
 void mlx5_register_debugfs(void);
 void mlx5_unregister_debugfs(void);
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 50d04b92ceda..d722490da030 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1628,6 +1628,7 @@ extern void thread_group_cputime_adjusted(struct task_struct *p, cputime_t *ut,
 #define PF_MEMPOLICY    0x10000000      /* Non-default NUMA mempolicy */
 #define PF_MUTEX_TESTER 0x20000000      /* Thread belongs to the rt mutex tester */
 #define PF_FREEZER_SKIP 0x40000000      /* Freezer should not count it as freezable */
+#define PF_SUSPEND_TASK 0x80000000      /* this thread called freeze_processes and should not be frozen */
 
 /*
  * Only the _current_ task can read/write to tsk->flags, but other
diff --git a/include/linux/tick.h b/include/linux/tick.h
index 9180f4b85e6d..62bd8b72873c 100644
--- a/include/linux/tick.h
+++ b/include/linux/tick.h
@@ -174,10 +174,4 @@ static inline void tick_nohz_task_switch(struct task_struct *tsk) { }
 #endif
 
 
-# ifdef CONFIG_CPU_IDLE_GOV_MENU
-extern void menu_hrtimer_cancel(void);
-# else
-static inline void menu_hrtimer_cancel(void) {}
-# endif /* CONFIG_CPU_IDLE_GOV_MENU */
-
 #endif
diff --git a/include/linux/vmpressure.h b/include/linux/vmpressure.h
index 76be077340ea..7dc17e2456de 100644
--- a/include/linux/vmpressure.h
+++ b/include/linux/vmpressure.h
@@ -12,7 +12,7 @@ struct vmpressure {
         unsigned long scanned;
         unsigned long reclaimed;
         /* The lock is used to keep the scanned/reclaimed above in sync. */
-        struct mutex sr_lock;
+        struct spinlock sr_lock;
 
         /* The list of vmpressure_event structs. */
         struct list_head events;
@@ -30,6 +30,7 @@ extern void vmpressure(gfp_t gfp, struct mem_cgroup *memcg,
 extern void vmpressure_prio(gfp_t gfp, struct mem_cgroup *memcg, int prio);
 
 extern void vmpressure_init(struct vmpressure *vmpr);
+extern void vmpressure_cleanup(struct vmpressure *vmpr);
 extern struct vmpressure *memcg_to_vmpressure(struct mem_cgroup *memcg);
 extern struct cgroup_subsys_state *vmpressure_to_css(struct vmpressure *vmpr);
 extern struct vmpressure *css_to_vmpressure(struct cgroup_subsys_state *css);