Merge branch 'perf/core' into perf/uprobes

Merge in latest upstream (and the latest perf development tree),
to prepare for tooling changes, and also to pick up v3.4 MM
changes that the uprobes code needs to take care of.

Signed-off-by: Ingo Molnar <mingo@kernel.org>

1 files changed, 18 insertions, 42 deletions

diff --git a/drivers/net/wireless/iwlegacy/4965-rs.c b/drivers/net/wireless/iwlegacy/4965-rs.c
index 467d0cb14ec..11ab1247fae 100644
--- a/drivers/net/wireless/iwlegacy/4965-rs.c
+++ b/drivers/net/wireless/iwlegacy/4965-rs.c
@@ -641,13 +641,10 @@ il4965_rs_toggle_antenna(u32 valid_ant, u32 *rate_n_flags,
  * there are no non-GF stations present in the BSS.
  */
 static bool
-il4965_rs_use_green(struct ieee80211_sta *sta)
+il4965_rs_use_green(struct il_priv *il, struct ieee80211_sta *sta)
 {
-	struct il_station_priv *sta_priv = (void *)sta->drv_priv;
-	struct il_rxon_context *ctx = sta_priv->common.ctx;
-
 	return (sta->ht_cap.cap & IEEE80211_HT_CAP_GRN_FLD) &&
-	    !(ctx->ht.non_gf_sta_present);
+	       !il->ht.non_gf_sta_present;
 }
 
 /**
@@ -823,8 +820,6 @@ il4965_rs_tx_status(void *il_r, struct ieee80211_supported_band *sband,
 	u32 tx_rate;
 	struct il_scale_tbl_info tbl_type;
 	struct il_scale_tbl_info *curr_tbl, *other_tbl, *tmp_tbl;
-	struct il_station_priv *sta_priv = (void *)sta->drv_priv;
-	struct il_rxon_context *ctx = sta_priv->common.ctx;
 
 	D_RATE("get frame ack response, update rate scale win\n");
 
@@ -892,7 +887,7 @@ il4965_rs_tx_status(void *il_r, struct ieee80211_supported_band *sband,
 		lq_sta->missed_rate_counter++;
 		if (lq_sta->missed_rate_counter > IL_MISSED_RATE_MAX) {
 			lq_sta->missed_rate_counter = 0;
-			il_send_lq_cmd(il, ctx, &lq_sta->lq, CMD_ASYNC, false);
+			il_send_lq_cmd(il, &lq_sta->lq, CMD_ASYNC, false);
 		}
 		/* Regardless, ignore this status info for outdated rate */
 		return;
@@ -1184,8 +1179,6 @@ il4965_rs_switch_to_mimo2(struct il_priv *il, struct il_lq_sta *lq_sta,
 	u16 rate_mask;
 	s32 rate;
 	s8 is_green = lq_sta->is_green;
-	struct il_station_priv *sta_priv = (void *)sta->drv_priv;
-	struct il_rxon_context *ctx = sta_priv->common.ctx;
 
 	if (!conf_is_ht(conf) || !sta->ht_cap.ht_supported)
 		return -1;
@@ -1206,7 +1199,7 @@ il4965_rs_switch_to_mimo2(struct il_priv *il, struct il_lq_sta *lq_sta,
 	tbl->max_search = IL_MAX_SEARCH;
 	rate_mask = lq_sta->active_mimo2_rate;
 
-	if (il_is_ht40_tx_allowed(il, ctx, &sta->ht_cap))
+	if (il_is_ht40_tx_allowed(il, &sta->ht_cap))
 		tbl->is_ht40 = 1;
 	else
 		tbl->is_ht40 = 0;
@@ -1240,8 +1233,6 @@ il4965_rs_switch_to_siso(struct il_priv *il, struct il_lq_sta *lq_sta,
 	u16 rate_mask;
 	u8 is_green = lq_sta->is_green;
 	s32 rate;
-	struct il_station_priv *sta_priv = (void *)sta->drv_priv;
-	struct il_rxon_context *ctx = sta_priv->common.ctx;
 
 	if (!conf_is_ht(conf) || !sta->ht_cap.ht_supported)
 		return -1;
@@ -1254,7 +1245,7 @@ il4965_rs_switch_to_siso(struct il_priv *il, struct il_lq_sta *lq_sta,
 	tbl->max_search = IL_MAX_SEARCH;
 	rate_mask = lq_sta->active_siso_rate;
 
-	if (il_is_ht40_tx_allowed(il, ctx, &sta->ht_cap))
+	if (il_is_ht40_tx_allowed(il, &sta->ht_cap))
 		tbl->is_ht40 = 1;
 	else
 		tbl->is_ht40 = 0;
@@ -1733,8 +1724,7 @@ il4965_rs_stay_in_table(struct il_lq_sta *lq_sta, bool force_search)
  * setup rate table in uCode
  */
 static void
-il4965_rs_update_rate_tbl(struct il_priv *il, struct il_rxon_context *ctx,
-			  struct il_lq_sta *lq_sta,
+il4965_rs_update_rate_tbl(struct il_priv *il, struct il_lq_sta *lq_sta,
 			  struct il_scale_tbl_info *tbl, int idx, u8 is_green)
 {
 	u32 rate;
@@ -1742,7 +1732,7 @@ il4965_rs_update_rate_tbl(struct il_priv *il, struct il_rxon_context *ctx,
 	/* Update uCode's rate table. */
 	rate = il4965_rate_n_flags_from_tbl(il, tbl, idx, is_green);
 	il4965_rs_fill_link_cmd(il, lq_sta, rate);
-	il_send_lq_cmd(il, ctx, &lq_sta->lq, CMD_ASYNC, false);
+	il_send_lq_cmd(il, &lq_sta->lq, CMD_ASYNC, false);
 }
 
 /*
@@ -1778,8 +1768,6 @@ il4965_rs_rate_scale_perform(struct il_priv *il, struct sk_buff *skb,
 	s32 sr;
 	u8 tid = MAX_TID_COUNT;
 	struct il_tid_data *tid_data;
-	struct il_station_priv *sta_priv = (void *)sta->drv_priv;
-	struct il_rxon_context *ctx = sta_priv->common.ctx;
 
 	D_RATE("rate scale calculate new rate for skb\n");
 
@@ -1815,7 +1803,7 @@ il4965_rs_rate_scale_perform(struct il_priv *il, struct sk_buff *skb,
 	if (is_legacy(tbl->lq_type))
 		lq_sta->is_green = 0;
 	else
-		lq_sta->is_green = il4965_rs_use_green(sta);
+		lq_sta->is_green = il4965_rs_use_green(il, sta);
 	is_green = lq_sta->is_green;
 
 	/* current tx rate */
@@ -1854,7 +1842,7 @@ il4965_rs_rate_scale_perform(struct il_priv *il, struct sk_buff *skb,
 			tbl = &(lq_sta->lq_info[lq_sta->active_tbl]);
 			/* get "active" rate info */
 			idx = il4965_hwrate_to_plcp_idx(tbl->current_rate);
-			il4965_rs_update_rate_tbl(il, ctx, lq_sta, tbl, idx,
+			il4965_rs_update_rate_tbl(il, lq_sta, tbl, idx,
 						      is_green);
 		}
 		return;
@@ -2057,8 +2045,7 @@ il4965_rs_rate_scale_perform(struct il_priv *il, struct sk_buff *skb,
 lq_update:
 	/* Replace uCode's rate table for the destination station. */
 	if (update_lq)
-		il4965_rs_update_rate_tbl(il, ctx, lq_sta, tbl, idx,
-					      is_green);
+		il4965_rs_update_rate_tbl(il, lq_sta, tbl, idx, is_green);
 
 	/* Should we stay with this modulation mode,
 	 * or search for a new one? */
@@ -2098,7 +2085,7 @@ lq_update:
 			D_RATE("Switch current  mcs: %X idx: %d\n",
 			       tbl->current_rate, idx);
 			il4965_rs_fill_link_cmd(il, lq_sta, tbl->current_rate);
-			il_send_lq_cmd(il, ctx, &lq_sta->lq, CMD_ASYNC, false);
+			il_send_lq_cmd(il, &lq_sta->lq, CMD_ASYNC, false);
 		} else
 			done_search = 1;
 	}
@@ -2166,17 +2153,15 @@ il4965_rs_initialize_lq(struct il_priv *il, struct ieee80211_conf *conf,
 	int rate_idx;
 	int i;
 	u32 rate;
-	u8 use_green = il4965_rs_use_green(sta);
+	u8 use_green = il4965_rs_use_green(il, sta);
 	u8 active_tbl = 0;
 	u8 valid_tx_ant;
 	struct il_station_priv *sta_priv;
-	struct il_rxon_context *ctx;
 
 	if (!sta || !lq_sta)
 		return;
 
 	sta_priv = (void *)sta->drv_priv;
-	ctx = sta_priv->common.ctx;
 
 	i = lq_sta->last_txrate_idx;
 
@@ -2208,7 +2193,7 @@ il4965_rs_initialize_lq(struct il_priv *il, struct ieee80211_conf *conf,
 	il4965_rs_set_expected_tpt_table(lq_sta, tbl);
 	il4965_rs_fill_link_cmd(NULL, lq_sta, rate);
 	il->stations[lq_sta->lq.sta_id].lq = &lq_sta->lq;
-	il_send_lq_cmd(il, ctx, &lq_sta->lq, CMD_SYNC, true);
+	il_send_lq_cmd(il, &lq_sta->lq, CMD_SYNC, true);
 }
 
 static void
@@ -2341,7 +2326,7 @@ il4965_rs_rate_init(struct il_priv *il, struct ieee80211_sta *sta, u8 sta_id)
 	lq_sta->is_dup = 0;
 	lq_sta->max_rate_idx = -1;
 	lq_sta->missed_rate_counter = IL_MISSED_RATE_MAX;
-	lq_sta->is_green = il4965_rs_use_green(sta);
+	lq_sta->is_green = il4965_rs_use_green(il, sta);
 	lq_sta->active_legacy_rate = il->active_rate & ~(0x1000);
 	lq_sta->band = il->band;
 	/*
@@ -2533,12 +2518,6 @@ il4965_rs_free_sta(void *il_r, struct ieee80211_sta *sta, void *il_sta)
 }
 
 #ifdef CONFIG_MAC80211_DEBUGFS
-static int
-il4965_open_file_generic(struct inode *inode, struct file *file)
-{
-	file->private_data = inode->i_private;
-	return 0;
-}
 
 static void
 il4965_rs_dbgfs_set_mcs(struct il_lq_sta *lq_sta, u32 * rate_n_flags, int idx)
@@ -2579,9 +2558,6 @@ il4965_rs_sta_dbgfs_scale_table_write(struct file *file,
 	char buf[64];
 	size_t buf_size;
 	u32 parsed_rate;
-	struct il_station_priv *sta_priv =
-	    container_of(lq_sta, struct il_station_priv, lq_sta);
-	struct il_rxon_context *ctx = sta_priv->common.ctx;
 
 	il = lq_sta->drv;
 	memset(buf, 0, sizeof(buf));
@@ -2603,7 +2579,7 @@ il4965_rs_sta_dbgfs_scale_table_write(struct file *file,
 
 	if (lq_sta->dbg_fixed_rate) {
 		il4965_rs_fill_link_cmd(NULL, lq_sta, lq_sta->dbg_fixed_rate);
-		il_send_lq_cmd(lq_sta->drv, ctx, &lq_sta->lq, CMD_ASYNC, false);
+		il_send_lq_cmd(lq_sta->drv, &lq_sta->lq, CMD_ASYNC, false);
 	}
 
 	return count;
@@ -2713,7 +2689,7 @@ il4965_rs_sta_dbgfs_scale_table_read(struct file *file, char __user *user_buf,
 static const struct file_operations rs_sta_dbgfs_scale_table_ops = {
 	.write = il4965_rs_sta_dbgfs_scale_table_write,
 	.read = il4965_rs_sta_dbgfs_scale_table_read,
-	.open = il4965_open_file_generic,
+	.open = simple_open,
 	.llseek = default_llseek,
 };
 
@@ -2758,7 +2734,7 @@ il4965_rs_sta_dbgfs_stats_table_read(struct file *file, char __user *user_buf,
 
 static const struct file_operations rs_sta_dbgfs_stats_table_ops = {
 	.read = il4965_rs_sta_dbgfs_stats_table_read,
-	.open = il4965_open_file_generic,
+	.open = simple_open,
 	.llseek = default_llseek,
 };
 
@@ -2786,7 +2762,7 @@ il4965_rs_sta_dbgfs_rate_scale_data_read(struct file *file,
 
 static const struct file_operations rs_sta_dbgfs_rate_scale_data_ops = {
 	.read = il4965_rs_sta_dbgfs_rate_scale_data_read,
-	.open = il4965_open_file_generic,
+	.open = simple_open,
 	.llseek = default_llseek,
 };