Clean up unreferenced patches

kernel.spec

@@ -738,8 +738,6 @@ Patch21098: hfsplus-Fix-bless-ioctl-when-used-with-hardlinks.patch
 #rhbz 754518
 Patch21235: scsi-sd_revalidate_disk-prevent-NULL-ptr-deref.patch
 
-Patch21260: x86-Avoid-invoking-RCU-when-CPU-is-idle.patch
-
 #rhbz 804957 CVE-2012-1568
 Patch21306: shlib_base_randomize.patch
 

libata-forbid-port-runtime-pm-by-default.patch

@@ -1,24 +0,0 @@
-From: Lin Ming <ming.m.lin@xxxxxxxxx>
-Date: Wed, 18 Apr 2012 09:13:41 +0800
-Subject: [PATCH] libata: forbid port runtime pm by default
-
-Forbid port runtime pm by default because it has known hotplug issue.
-User can allow it by, for example
-
-echo auto > /sys/devices/pci0000:00/0000:00:1f.2/ata2/power/control
-
-Signed-off-by: Lin Ming <ming.m.lin@xxxxxxxxx>
----
- drivers/ata/libata-transport.c |    1 +
- 1 files changed, 1 insertions(+), 0 deletions(-)
-
---- linux-3.3.noarch.orig/drivers/ata/libata-transport.c
-+++ linux-3.3.noarch/drivers/ata/libata-transport.c
-@@ -294,6 +294,7 @@ int ata_tport_add(struct device *parent,
- 	device_enable_async_suspend(dev);
- 	pm_runtime_set_active(dev);
- 	pm_runtime_enable(dev);
-+	pm_runtime_forbid(dev);
- 
- 	transport_add_device(dev);
- 	transport_configure_device(dev);

mac80211-fix-possible-tid_rx-reorder_timer-use-after-free.patch

@@ -1,42 +0,0 @@
-Is possible that we will arm the tid_rx->reorder_timer after
-del_timer_sync() in ___ieee80211_stop_rx_ba_session(). We need to stop
-timer after RCU grace period finish, so move it to
-ieee80211_free_tid_rx(). Timer will not be armed again, as
-rcu_dereference(sta->ampdu_mlme.tid_rx[tid]) will return NULL.
-
-Debug object detected problem with the following warning:
-ODEBUG: free active (active state 0) object type: timer_list hint: sta_rx_agg_reorder_timer_expired+0x0/0xf0 [mac80211]
-
-Bug report (with all warning messages):
-https://bugzilla.redhat.com/show_bug.cgi?id=804007
-
-Reported-by: "jan p. springer" <jsd@igroup.org>
-Cc: stable@vger.kernel.org
-Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
----
- net/mac80211/agg-rx.c |    3 ++-
- 1 files changed, 2 insertions(+), 1 deletions(-)
-
-diff --git a/net/mac80211/agg-rx.c b/net/mac80211/agg-rx.c
-index 1068f66..64d3ce5 100644
---- a/net/mac80211/agg-rx.c
-+++ b/net/mac80211/agg-rx.c
-@@ -49,6 +49,8 @@ static void ieee80211_free_tid_rx(struct rcu_head *h)
- 		container_of(h, struct tid_ampdu_rx, rcu_head);
- 	int i;
- 
-+	del_timer_sync(&tid_rx->reorder_timer);
-+
- 	for (i = 0; i < tid_rx->buf_size; i++)
- 		dev_kfree_skb(tid_rx->reorder_buf[i]);
- 	kfree(tid_rx->reorder_buf);
-@@ -91,7 +93,6 @@ void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid,
- 				     tid, WLAN_BACK_RECIPIENT, reason);
- 
- 	del_timer_sync(&tid_rx->session_timer);
--	del_timer_sync(&tid_rx->reorder_timer);
- 
- 	call_rcu(&tid_rx->rcu_head, ieee80211_free_tid_rx);
- }
--- 
-1.7.1

pci-fix-ats-compile.patch

@@ -1,26 +0,0 @@
-I get this compile failure on parisc:
-
-drivers/pci/ats.c: In function 'ats_alloc_one':
-drivers/pci/ats.c:29: error: implicit declaration of function 'kzalloc'
-drivers/pci/ats.c:29: warning: assignment makes pointer from integer without a cast
-drivers/pci/ats.c: In function 'ats_free_one':
-drivers/pci/ats.c:45: error: implicit declaration of function 'kfree'
-
-Because ats.c is missing linux/slab.h as an include.  This patch fixes it
-
-Signed-off-by: James Bottomley <JBottomley@xxxxxxxxxxxxx>
-
----
-
-diff --git a/drivers/pci/ats.c b/drivers/pci/ats.c
-index 7ec56fb..b0dd08e 100644
---- a/drivers/pci/ats.c
-+++ b/drivers/pci/ats.c
-@@ -13,6 +13,7 @@
- #include <linux/export.h>
- #include <linux/pci-ats.h>
- #include <linux/pci.h>
-+#include <linux/slab.h>
- 
- #include "pci.h"
- 

x86-Avoid-invoking-RCU-when-CPU-is-idle.patch

@@ -1,118 +0,0 @@
-diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
-index 15763af..f6978b0 100644
---- a/arch/x86/kernel/process.c
-+++ b/arch/x86/kernel/process.c
-@@ -386,17 +386,21 @@ void default_idle(void)
- 		 */
- 		smp_mb();
- 
-+		rcu_idle_enter();
- 		if (!need_resched())
- 			safe_halt();	/* enables interrupts racelessly */
- 		else
- 			local_irq_enable();
-+		rcu_idle_exit();
- 		current_thread_info()->status |= TS_POLLING;
- 		trace_power_end(smp_processor_id());
- 		trace_cpu_idle(PWR_EVENT_EXIT, smp_processor_id());
- 	} else {
- 		local_irq_enable();
- 		/* loop is done by the caller */
-+		rcu_idle_enter();
- 		cpu_relax();
-+		rcu_idle_exit();
- 	}
- }
- #ifdef CONFIG_APM_MODULE
-@@ -457,14 +461,19 @@ static void mwait_idle(void)
- 
- 		__monitor((void *)&current_thread_info()->flags, 0, 0);
- 		smp_mb();
-+		rcu_idle_enter();
- 		if (!need_resched())
- 			__sti_mwait(0, 0);
- 		else
- 			local_irq_enable();
-+		rcu_idle_exit();
- 		trace_power_end(smp_processor_id());
- 		trace_cpu_idle(PWR_EVENT_EXIT, smp_processor_id());
--	} else
-+	} else {
- 		local_irq_enable();
-+		rcu_idle_enter();
-+		rcu_idle_exit();
-+	}
- }
- 
- /*
-@@ -477,8 +486,10 @@ static void poll_idle(void)
- 	trace_power_start(POWER_CSTATE, 0, smp_processor_id());
- 	trace_cpu_idle(0, smp_processor_id());
- 	local_irq_enable();
-+	rcu_idle_enter();
- 	while (!need_resched())
- 		cpu_relax();
-+	rcu_idle_exit();
- 	trace_power_end(smp_processor_id());
- 	trace_cpu_idle(PWR_EVENT_EXIT, smp_processor_id());
- }
-diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c
-index 485204f..6d9d4d5 100644
---- a/arch/x86/kernel/process_32.c
-+++ b/arch/x86/kernel/process_32.c
-@@ -100,7 +100,6 @@ void cpu_idle(void)
- 	/* endless idle loop with no priority at all */
- 	while (1) {
- 		tick_nohz_idle_enter();
--		rcu_idle_enter();
- 		while (!need_resched()) {
- 
- 			check_pgt_cache();
-@@ -117,7 +116,6 @@ void cpu_idle(void)
- 				pm_idle();
- 			start_critical_timings();
- 		}
--		rcu_idle_exit();
- 		tick_nohz_idle_exit();
- 		preempt_enable_no_resched();
- 		schedule();
-diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c
-index 9b9fe4a..55a1a35 100644
---- a/arch/x86/kernel/process_64.c
-+++ b/arch/x86/kernel/process_64.c
-@@ -140,13 +140,9 @@ void cpu_idle(void)
- 			/* Don't trace irqs off for idle */
- 			stop_critical_timings();
- 
--			/* enter_idle() needs rcu for notifiers */
--			rcu_idle_enter();
--
- 			if (cpuidle_idle_call())
- 				pm_idle();
- 
--			rcu_idle_exit();
- 			start_critical_timings();
- 
- 			/* In many cases the interrupt that ended idle
-diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c
-index 20bce51..a9ddab8 100644
---- a/drivers/idle/intel_idle.c
-+++ b/drivers/idle/intel_idle.c
-@@ -261,6 +261,7 @@ static int intel_idle(struct cpuidle_device *dev,
- 	kt_before = ktime_get_real();
- 
- 	stop_critical_timings();
-+	rcu_idle_enter();
- 	if (!need_resched()) {
- 
- 		__monitor((void *)&current_thread_info()->flags, 0, 0);
-@@ -268,6 +269,7 @@ static int intel_idle(struct cpuidle_device *dev,
- 		if (!need_resched())
- 			__mwait(eax, ecx);
- 	}
-+	rcu_idle_exit();
- 
- 	start_critical_timings();
- 
-
-