---

yaml
---
r: 1403
b: refs/heads/master
c: 816242d
h: refs/heads/master
i:
  1401: 94457bc
  1399: 9b57c06
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 3db602bdcd52d8b7523cfb4fb705cea84dbe1617
+refs/heads/master: 816242da3735957bee99aeba40aa60c4f120a101

trunk/Makefile

@@ -1,7 +1,7 @@
 VERSION = 2
 PATCHLEVEL = 6
 SUBLEVEL = 12
-EXTRAVERSION =-rc5
+EXTRAVERSION =-rc4
 NAME=Woozy Numbat
 
 # *DOCUMENTATION*

trunk/arch/i386/mach-voyager/voyager_smp.c

@@ -97,6 +97,7 @@ static void ack_vic_irq(unsigned int irq);
 static void vic_enable_cpi(void);
 static void do_boot_cpu(__u8 cpuid);
 static void do_quad_bootstrap(void);
+static inline void wrapper_smp_local_timer_interrupt(struct pt_regs *);
 
 int hard_smp_processor_id(void);
 
@@ -124,14 +125,6 @@ send_QIC_CPI(__u32 cpuset, __u8 cpi)
 	}
 }
 
-static inline void
-wrapper_smp_local_timer_interrupt(struct pt_regs *regs)
-{
-	irq_enter();
-	smp_local_timer_interrupt(regs);
-	irq_exit();
-}
-
 static inline void
 send_one_CPI(__u8 cpu, __u8 cpi)
 {
@@ -1256,6 +1249,14 @@ smp_vic_timer_interrupt(struct pt_regs *regs)
 	smp_local_timer_interrupt(regs);
 }
 
+static inline void
+wrapper_smp_local_timer_interrupt(struct pt_regs *regs)
+{
+	irq_enter();
+	smp_local_timer_interrupt(regs);
+	irq_exit();
+}
+
 /* local (per CPU) timer interrupt.  It does both profiling and
  * process statistics/rescheduling.
  *

trunk/arch/ppc64/kernel/mf.c

@@ -1,7 +1,7 @@
 /*
   * mf.c
   * Copyright (C) 2001 Troy D. Armstrong  IBM Corporation
-  * Copyright (C) 2004-2005 Stephen Rothwell  IBM Corporation
+  * Copyright (C) 2004 Stephen Rothwell  IBM Corporation
   *
   * This modules exists as an interface between a Linux secondary partition
   * running on an iSeries and the primary partition's Virtual Service
@@ -36,12 +36,10 @@
 
 #include <asm/time.h>
 #include <asm/uaccess.h>
-#include <asm/paca.h>
 #include <asm/iSeries/vio.h>
 #include <asm/iSeries/mf.h>
 #include <asm/iSeries/HvLpConfig.h>
 #include <asm/iSeries/ItSpCommArea.h>
-#include <asm/iSeries/ItLpQueue.h>
 
 /*
  * This is the structure layout for the Machine Facilites LPAR event
@@ -698,23 +696,36 @@ static void get_rtc_time_complete(void *token, struct ce_msg_data *ce_msg)
 	complete(&rtc->com);
 }
 
-static int rtc_set_tm(int rc, u8 *ce_msg, struct rtc_time *tm)
+int mf_get_rtc(struct rtc_time *tm)
 {
+	struct ce_msg_comp_data ce_complete;
+	struct rtc_time_data rtc_data;
+	int rc;
+
+	memset(&ce_complete, 0, sizeof(ce_complete));
+	memset(&rtc_data, 0, sizeof(rtc_data));
+	init_completion(&rtc_data.com);
+	ce_complete.handler = &get_rtc_time_complete;
+	ce_complete.token = &rtc_data;
+	rc = signal_ce_msg_simple(0x40, &ce_complete);
+	if (rc)
+		return rc;
+	wait_for_completion(&rtc_data.com);
 	tm->tm_wday = 0;
 	tm->tm_yday = 0;
 	tm->tm_isdst = 0;
-	if (rc) {
+	if (rtc_data.rc) {
 		tm->tm_sec = 0;
 		tm->tm_min = 0;
 		tm->tm_hour = 0;
 		tm->tm_mday = 15;
 		tm->tm_mon = 5;
 		tm->tm_year = 52;
-		return rc;
+		return rtc_data.rc;
 	}
 
-	if ((ce_msg[2] == 0xa9) ||
-	    (ce_msg[2] == 0xaf)) {
+	if ((rtc_data.ce_msg.ce_msg[2] == 0xa9) ||
+	    (rtc_data.ce_msg.ce_msg[2] == 0xaf)) {
 		/* TOD clock is not set */
 		tm->tm_sec = 1;
 		tm->tm_min = 1;
@@ -725,6 +736,7 @@ static int rtc_set_tm(int rc, u8 *ce_msg, struct rtc_time *tm)
 		mf_set_rtc(tm);
 	}
 	{
+		u8 *ce_msg = rtc_data.ce_msg.ce_msg;
 		u8 year = ce_msg[5];
 		u8 sec = ce_msg[6];
 		u8 min = ce_msg[7];
@@ -753,63 +765,6 @@ static int rtc_set_tm(int rc, u8 *ce_msg, struct rtc_time *tm)
 	return 0;
 }
 
-int mf_get_rtc(struct rtc_time *tm)
-{
-	struct ce_msg_comp_data ce_complete;
-	struct rtc_time_data rtc_data;
-	int rc;
-
-	memset(&ce_complete, 0, sizeof(ce_complete));
-	memset(&rtc_data, 0, sizeof(rtc_data));
-	init_completion(&rtc_data.com);
-	ce_complete.handler = &get_rtc_time_complete;
-	ce_complete.token = &rtc_data;
-	rc = signal_ce_msg_simple(0x40, &ce_complete);
-	if (rc)
-		return rc;
-	wait_for_completion(&rtc_data.com);
-	return rtc_set_tm(rtc_data.rc, rtc_data.ce_msg.ce_msg, tm);
-}
-
-struct boot_rtc_time_data {
-	int busy;
-	struct ce_msg_data ce_msg;
-	int rc;
-};
-
-static void get_boot_rtc_time_complete(void *token, struct ce_msg_data *ce_msg)
-{
-	struct boot_rtc_time_data *rtc = token;
-
-	memcpy(&rtc->ce_msg, ce_msg, sizeof(rtc->ce_msg));
-	rtc->rc = 0;
-	rtc->busy = 0;
-}
-
-int mf_get_boot_rtc(struct rtc_time *tm)
-{
-	struct ce_msg_comp_data ce_complete;
-	struct boot_rtc_time_data rtc_data;
-	int rc;
-
-	memset(&ce_complete, 0, sizeof(ce_complete));
-	memset(&rtc_data, 0, sizeof(rtc_data));
-	rtc_data.busy = 1;
-	ce_complete.handler = &get_boot_rtc_time_complete;
-	ce_complete.token = &rtc_data;
-	rc = signal_ce_msg_simple(0x40, &ce_complete);
-	if (rc)
-		return rc;
-	/* We need to poll here as we are not yet taking interrupts */
-	while (rtc_data.busy) {
-		extern unsigned long lpevent_count;
-		struct ItLpQueue *lpq = get_paca()->lpqueue_ptr;
-		if (lpq && ItLpQueue_isLpIntPending(lpq))
-			lpevent_count += ItLpQueue_process(lpq, NULL);
-	}
-	return rtc_set_tm(rtc_data.rc, rtc_data.ce_msg.ce_msg, tm);
-}
-
 int mf_set_rtc(struct rtc_time *tm)
 {
 	char ce_time[12];

trunk/arch/ppc64/kernel/rtc.c

@@ -292,10 +292,47 @@ int iSeries_set_rtc_time(struct rtc_time *tm)
 
 void iSeries_get_boot_time(struct rtc_time *tm)
 {
+	unsigned long time;
+	static unsigned long lastsec = 1;
+
+	u32 dataWord1 = *((u32 *)(&xSpCommArea.xBcdTimeAtIplStart));
+	u32 dataWord2 = *(((u32 *)&(xSpCommArea.xBcdTimeAtIplStart)) + 1);
+	int year = 1970;
+	int year1 = ( dataWord1 >> 24 ) & 0x000000FF;
+	int year2 = ( dataWord1 >> 16 ) & 0x000000FF;
+	int sec = ( dataWord1 >> 8 ) & 0x000000FF;
+	int min = dataWord1 & 0x000000FF;
+	int hour = ( dataWord2 >> 24 ) & 0x000000FF;
+	int day = ( dataWord2 >> 8 ) & 0x000000FF;
+	int mon = dataWord2 & 0x000000FF;
+
 	if ( piranha_simulator )
 		return;
 
-	mf_get_boot_rtc(tm);
+	BCD_TO_BIN(sec);
+	BCD_TO_BIN(min);
+	BCD_TO_BIN(hour);
+	BCD_TO_BIN(day);
+	BCD_TO_BIN(mon);
+	BCD_TO_BIN(year1);
+	BCD_TO_BIN(year2);
+	year = year1 * 100 + year2;
+
+	time = mktime(year, mon, day, hour, min, sec);
+	time += ( jiffies / HZ );
+
+	/* Now THIS is a nasty hack!
+	* It ensures that the first two calls get different answers.  
+	* That way the loop in init_time (time.c) will not think
+	* the clock is stuck.
+	*/
+	if ( lastsec ) {
+		time -= lastsec;
+		--lastsec;
+	}
+
+	to_tm(time, tm); 
+	tm->tm_year -= 1900;
 	tm->tm_mon  -= 1;
 }
 #endif

trunk/arch/ppc64/kernel/time.c

@@ -515,7 +515,6 @@ void __init time_init(void)
 	do_gtod.varp = &do_gtod.vars[0];
 	do_gtod.var_idx = 0;
 	do_gtod.varp->tb_orig_stamp = tb_last_stamp;
-	get_paca()->next_jiffy_update_tb = tb_last_stamp + tb_ticks_per_jiffy;
 	do_gtod.varp->stamp_xsec = xtime.tv_sec * XSEC_PER_SEC;
 	do_gtod.tb_ticks_per_sec = tb_ticks_per_sec;
 	do_gtod.varp->tb_to_xs = tb_to_xs;

trunk/arch/sparc64/kernel/setup.c

@@ -383,6 +383,17 @@ static void __init process_switch(char c)
 		/* Use PROM debug console. */
 		register_console(&prom_debug_console);
 		break;
+	case 'P':
+		/* Force UltraSPARC-III P-Cache on. */
+		if (tlb_type != cheetah) {
+			printk("BOOT: Ignoring P-Cache force option.\n");
+			break;
+		}
+		cheetah_pcache_forced_on = 1;
+		add_taint(TAINT_MACHINE_CHECK);
+		cheetah_enable_pcache();
+		break;
+
 	default:
 		printk("Unknown boot switch (-%c)\n", c);
 		break;

trunk/arch/sparc64/kernel/smp.c

@@ -123,6 +123,9 @@ void __init smp_callin(void)
 
 	smp_setup_percpu_timer();
 
+	if (cheetah_pcache_forced_on)
+		cheetah_enable_pcache();
+
 	local_irq_enable();
 
 	calibrate_delay();

trunk/arch/sparc64/kernel/traps.c

@@ -421,6 +421,25 @@ asmlinkage void cee_log(unsigned long ce_status,
 	}
 }
 
+int cheetah_pcache_forced_on;
+
+void cheetah_enable_pcache(void)
+{
+	unsigned long dcr;
+
+	printk("CHEETAH: Enabling P-Cache on cpu %d.\n",
+	       smp_processor_id());
+
+	__asm__ __volatile__("ldxa [%%g0] %1, %0"
+			     : "=r" (dcr)
+			     : "i" (ASI_DCU_CONTROL_REG));
+	dcr |= (DCU_PE | DCU_HPE | DCU_SPE | DCU_SL);
+	__asm__ __volatile__("stxa %0, [%%g0] %1\n\t"
+			     "membar #Sync"
+			     : /* no outputs */
+			     : "r" (dcr), "i" (ASI_DCU_CONTROL_REG));
+}
+
 /* Cheetah error trap handling. */
 static unsigned long ecache_flush_physbase;
 static unsigned long ecache_flush_linesize;

trunk/arch/x86_64/kernel/traps.c

@@ -332,12 +332,10 @@ void handle_BUG(struct pt_regs *regs)
 	printk(KERN_ALERT "Kernel BUG at %.50s:%d\n", f.filename, f.line);
 } 
 
-#ifdef CONFIG_BUG
 void out_of_line_bug(void)
 { 
 	BUG(); 
 } 
-#endif
 
 static DEFINE_SPINLOCK(die_lock);
 static int die_owner = -1;

trunk/arch/x86_64/kernel/x8664_ksyms.c

@@ -193,9 +193,8 @@ EXPORT_SYMBOL(smp_num_siblings);
 extern void do_softirq_thunk(void);
 EXPORT_SYMBOL(do_softirq_thunk);
 
-#ifdef CONFIG_BUG
+void out_of_line_bug(void);
 EXPORT_SYMBOL(out_of_line_bug);
-#endif
 
 EXPORT_SYMBOL(init_level4_pgt);
 

trunk/drivers/base/core.c

@@ -245,7 +245,6 @@ int device_add(struct device *dev)
 
 	if ((error = kobject_add(&dev->kobj)))
 		goto Error;
-	kobject_hotplug(&dev->kobj, KOBJ_ADD);
 	if ((error = device_pm_add(dev)))
 		goto PMError;
 	if ((error = bus_add_device(dev)))
@@ -258,13 +257,14 @@ int device_add(struct device *dev)
 	/* notify platform of device entry */
 	if (platform_notify)
 		platform_notify(dev);
+
+	kobject_hotplug(&dev->kobj, KOBJ_ADD);
  Done:
 	put_device(dev);
 	return error;
  BusError:
 	device_pm_remove(dev);
  PMError:
-	kobject_hotplug(&dev->kobj, KOBJ_REMOVE);
 	kobject_del(&dev->kobj);
  Error:
 	if (parent)

trunk/drivers/char/ipmi/ipmi_devintf.c

@@ -520,7 +520,7 @@ MODULE_PARM_DESC(ipmi_major, "Sets the major number of the IPMI device.  By"
 		 " interface.  Other values will set the major device number"
 		 " to that value.");
 
-static struct class_simple *ipmi_class;
+static struct class *ipmi_class;
 
 static void ipmi_new_smi(int if_num)
 {
@@ -534,7 +534,7 @@ static void ipmi_new_smi(int if_num)
 
 static void ipmi_smi_gone(int if_num)
 {
-	class_simple_device_remove(MKDEV(ipmi_major, if_num));
+	class_simple_device_remove(ipmi_class, MKDEV(ipmi_major, if_num));
 	devfs_remove("ipmidev/%d", if_num);
 }
 

trunk/drivers/ide/ide-cd.c

@@ -1933,7 +1933,7 @@ static ide_startstop_t cdrom_do_block_pc(ide_drive_t *drive, struct request *rq)
 		/*
 		 * check if dma is safe
 		 */
-		if ((rq->data_len & 3) || (addr & mask))
+		if ((rq->data_len & mask) || (addr & mask))
 			info->dma = 0;
 	}