diff --git a/[refs] b/[refs]
index b7aca979f268..778fd7b2a639 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 0a9e0703497013cf7a21455e51face5f048a187f
+refs/heads/master: 810b38179e9e4d4f57b4b733767bb08f8291a965
diff --git a/trunk/arch/x86/boot/vesa.h b/trunk/arch/x86/boot/vesa.h
index 468e444622c5..ff5b73cd406f 100644
--- a/trunk/arch/x86/boot/vesa.h
+++ b/trunk/arch/x86/boot/vesa.h
@@ -26,10 +26,17 @@ struct vesa_general_info {
 	far_ptr video_mode_ptr;	/* 14 */
 	u16 total_memory;	/* 18 */
 
-	u8 reserved[236];	/* 20 */
+	u16 oem_software_rev;	/* 20 */
+	far_ptr oem_vendor_name_ptr;	/* 22 */
+	far_ptr oem_product_name_ptr;	/* 26 */
+	far_ptr oem_product_rev_ptr;	/* 30 */
+
+	u8 reserved[222];	/* 34 */
+	u8 oem_data[256];	/* 256 */
 } __attribute__ ((packed));
 
 #define VESA_MAGIC ('V' + ('E' << 8) + ('S' << 16) + ('A' << 24))
+#define VBE2_MAGIC ('V' + ('B' << 8) + ('E' << 16) + ('2' << 24))
 
 struct vesa_mode_info {
 	u16 mode_attr;		/* 0 */
diff --git a/trunk/arch/x86/boot/video-vesa.c b/trunk/arch/x86/boot/video-vesa.c
index 419b5c273374..662dd2f13068 100644
--- a/trunk/arch/x86/boot/video-vesa.c
+++ b/trunk/arch/x86/boot/video-vesa.c
@@ -37,6 +37,8 @@ static int vesa_probe(void)
 
 	video_vesa.modes = GET_HEAP(struct mode_info, 0);
 
+	vginfo.signature = VBE2_MAGIC;
+
 	ax = 0x4f00;
 	di = (size_t)&vginfo;
 	asm(INT10
diff --git a/trunk/arch/x86/ia32/ia32_signal.c b/trunk/arch/x86/ia32/ia32_signal.c
index 5e7771a3ba2f..1c0503bdfb1a 100644
--- a/trunk/arch/x86/ia32/ia32_signal.c
+++ b/trunk/arch/x86/ia32/ia32_signal.c
@@ -500,7 +500,7 @@ int ia32_setup_frame(int sig, struct k_sigaction *ka,
 	regs->ss = __USER32_DS;
 
 	set_fs(USER_DS);
-	regs->flags &= ~(X86_EFLAGS_TF | X86_EFLAGS_DF);
+	regs->flags &= ~X86_EFLAGS_TF;
 	if (test_thread_flag(TIF_SINGLESTEP))
 		ptrace_notify(SIGTRAP);
 
@@ -600,7 +600,7 @@ int ia32_setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
 	regs->ss = __USER32_DS;
 
 	set_fs(USER_DS);
-	regs->flags &= ~(X86_EFLAGS_TF | X86_EFLAGS_DF);
+	regs->flags &= ~X86_EFLAGS_TF;
 	if (test_thread_flag(TIF_SINGLESTEP))
 		ptrace_notify(SIGTRAP);
 
diff --git a/trunk/arch/x86/kernel/i387.c b/trunk/arch/x86/kernel/i387.c
index d2e39e69aaf8..60fe80157569 100644
--- a/trunk/arch/x86/kernel/i387.c
+++ b/trunk/arch/x86/kernel/i387.c
@@ -261,7 +261,7 @@ static void convert_from_fxsr(struct user_i387_ia32_struct *env,
 	}
 #else
 	env->fip = fxsave->fip;
-	env->fcs = (u16) fxsave->fcs | ((u32) fxsave->fop << 16);
+	env->fcs = fxsave->fcs;
 	env->foo = fxsave->foo;
 	env->fos = fxsave->fos;
 #endif
diff --git a/trunk/arch/x86/kernel/reboot.c b/trunk/arch/x86/kernel/reboot.c
index 55ceb8cdef75..7fd6ac43e4a1 100644
--- a/trunk/arch/x86/kernel/reboot.c
+++ b/trunk/arch/x86/kernel/reboot.c
@@ -326,10 +326,6 @@ static inline void kb_wait(void)
 	}
 }
 
-void __attribute__((weak)) mach_reboot_fixups(void)
-{
-}
-
 static void native_machine_emergency_restart(void)
 {
 	int i;
@@ -341,8 +337,6 @@ static void native_machine_emergency_restart(void)
 		/* Could also try the reset bit in the Hammer NB */
 		switch (reboot_type) {
 		case BOOT_KBD:
-			mach_reboot_fixups(); /* for board specific fixups */
-
 			for (i = 0; i < 10; i++) {
 				kb_wait();
 				udelay(50);
diff --git a/trunk/arch/x86/kernel/signal_32.c b/trunk/arch/x86/kernel/signal_32.c
index 0157a6f0f41f..caee1f002fed 100644
--- a/trunk/arch/x86/kernel/signal_32.c
+++ b/trunk/arch/x86/kernel/signal_32.c
@@ -407,7 +407,7 @@ static int setup_frame(int sig, struct k_sigaction *ka,
 	 * The tracer may want to single-step inside the
 	 * handler too.
 	 */
-	regs->flags &= ~(TF_MASK | X86_EFLAGS_DF);
+	regs->flags &= ~TF_MASK;
 	if (test_thread_flag(TIF_SINGLESTEP))
 		ptrace_notify(SIGTRAP);
 
@@ -500,7 +500,7 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
 	 * The tracer may want to single-step inside the
 	 * handler too.
 	 */
-	regs->flags &= ~(TF_MASK | X86_EFLAGS_DF);
+	regs->flags &= ~TF_MASK;
 	if (test_thread_flag(TIF_SINGLESTEP))
 		ptrace_notify(SIGTRAP);
 
diff --git a/trunk/arch/x86/kernel/signal_64.c b/trunk/arch/x86/kernel/signal_64.c
index 56b72fb67f9b..7347bb14e306 100644
--- a/trunk/arch/x86/kernel/signal_64.c
+++ b/trunk/arch/x86/kernel/signal_64.c
@@ -295,7 +295,7 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
 	   see include/asm-x86_64/uaccess.h for details. */
 	set_fs(USER_DS);
 
-	regs->flags &= ~(X86_EFLAGS_TF | X86_EFLAGS_DF);
+	regs->flags &= ~X86_EFLAGS_TF;
 	if (test_thread_flag(TIF_SINGLESTEP))
 		ptrace_notify(SIGTRAP);
 #ifdef DEBUG_SIG
diff --git a/trunk/arch/x86/kernel/step.c b/trunk/arch/x86/kernel/step.c
index 9d406cdc847f..2ef1a5f8d675 100644
--- a/trunk/arch/x86/kernel/step.c
+++ b/trunk/arch/x86/kernel/step.c
@@ -166,7 +166,7 @@ static void enable_step(struct task_struct *child, bool block)
 				  child->thread.debugctlmsr | DEBUGCTLMSR_BTF);
 	} else {
 	    write_debugctlmsr(child,
-			      child->thread.debugctlmsr & ~DEBUGCTLMSR_BTF);
+			      child->thread.debugctlmsr & ~TIF_DEBUGCTLMSR);
 
 	    if (!child->thread.debugctlmsr)
 		    clear_tsk_thread_flag(child, TIF_DEBUGCTLMSR);
@@ -189,7 +189,7 @@ void user_disable_single_step(struct task_struct *child)
 	 * Make sure block stepping (BTF) is disabled.
 	 */
 	write_debugctlmsr(child,
-			  child->thread.debugctlmsr & ~DEBUGCTLMSR_BTF);
+			  child->thread.debugctlmsr & ~TIF_DEBUGCTLMSR);
 
 	if (!child->thread.debugctlmsr)
 		clear_tsk_thread_flag(child, TIF_DEBUGCTLMSR);
diff --git a/trunk/drivers/char/esp.c b/trunk/drivers/char/esp.c
index f3fe62067344..c01e26d9ee5e 100644
--- a/trunk/drivers/char/esp.c
+++ b/trunk/drivers/char/esp.c
@@ -2484,7 +2484,6 @@ static int __init espserial_init(void)
 			return 0;
 		}
 
-		spin_lock_init(&info->lock);
 		/* rx_trigger, tx_trigger are needed by autoconfig */
 		info->config.rx_trigger = rx_trigger;
 		info->config.tx_trigger = tx_trigger;
diff --git a/trunk/include/linux/sched.h b/trunk/include/linux/sched.h
index 9ae4030067a9..11d8e9a74eff 100644
--- a/trunk/include/linux/sched.h
+++ b/trunk/include/linux/sched.h
@@ -899,6 +899,10 @@ struct sched_class {
 			     int running);
 	void (*prio_changed) (struct rq *this_rq, struct task_struct *task,
 			     int oldprio, int running);
+
+#ifdef CONFIG_FAIR_GROUP_SCHED
+	void (*moved_group) (struct task_struct *p);
+#endif
 };
 
 struct load_weight {
diff --git a/trunk/kernel/sched.c b/trunk/kernel/sched.c
index dcd553cc4ee8..0b949c4e73ad 100644
--- a/trunk/kernel/sched.c
+++ b/trunk/kernel/sched.c
@@ -7625,6 +7625,11 @@ void sched_move_task(struct task_struct *tsk)
 
 	set_task_rq(tsk, task_cpu(tsk));
 
+#ifdef CONFIG_FAIR_GROUP_SCHED
+	if (tsk->sched_class->moved_group)
+		tsk->sched_class->moved_group(tsk);
+#endif
+
 	if (on_rq) {
 		if (unlikely(running))
 			tsk->sched_class->set_curr_task(rq);
diff --git a/trunk/kernel/sched_fair.c b/trunk/kernel/sched_fair.c
index 3df4d46994ca..e2a530515619 100644
--- a/trunk/kernel/sched_fair.c
+++ b/trunk/kernel/sched_fair.c
@@ -1353,6 +1353,16 @@ static void set_curr_task_fair(struct rq *rq)
 		set_next_entity(cfs_rq_of(se), se);
 }
 
+#ifdef CONFIG_FAIR_GROUP_SCHED
+static void moved_group_fair(struct task_struct *p)
+{
+	struct cfs_rq *cfs_rq = task_cfs_rq(p);
+
+	update_curr(cfs_rq);
+	place_entity(cfs_rq, &p->se, 1);
+}
+#endif
+
 /*
  * All the scheduling class methods:
  */
@@ -1381,6 +1391,10 @@ static const struct sched_class fair_sched_class = {
 
 	.prio_changed		= prio_changed_fair,
 	.switched_to		= switched_to_fair,
+
+#ifdef CONFIG_FAIR_GROUP_SCHED
+	.moved_group		= moved_group_fair,
+#endif
 };
 
 #ifdef CONFIG_SCHED_DEBUG