Merge of /home/davem/src/GIT/linux-2.6/.git/

12 files changed, 103 insertions, 80 deletions

diff --git a/Makefile b/Makefile
index 1bb028317f2b..c11a317ea910 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 VERSION = 2
 PATCHLEVEL = 6
 SUBLEVEL = 12
-EXTRAVERSION =-rc4
+EXTRAVERSION =-rc5
 NAME=Woozy Numbat
 
 # *DOCUMENTATION*
diff --git a/arch/i386/mach-voyager/voyager_smp.c b/arch/i386/mach-voyager/voyager_smp.c
index 903d739ca74a..a6e0ddd65bd0 100644
--- a/arch/i386/mach-voyager/voyager_smp.c
+++ b/arch/i386/mach-voyager/voyager_smp.c
@@ -97,7 +97,6 @@ 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);
 
@@ -126,6 +125,14 @@ 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)
 {
         if(voyager_quad_processors & (1<<cpu))
@@ -1249,14 +1256,6 @@ 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.
  *
diff --git a/arch/ppc64/kernel/mf.c b/arch/ppc64/kernel/mf.c
index 1bd52ece497c..5aca7e8005a8 100644
--- a/arch/ppc64/kernel/mf.c
+++ b/arch/ppc64/kernel/mf.c
@@ -1,7 +1,7 @@
 /*
   * mf.c
   * Copyright (C) 2001 Troy D. Armstrong  IBM Corporation
-  * Copyright (C) 2004 Stephen Rothwell  IBM Corporation
+  * Copyright (C) 2004-2005 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
@@ -36,10 +36,12 @@
 
 #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
@@ -696,36 +698,23 @@ static void get_rtc_time_complete(void *token, struct ce_msg_data *ce_msg)
         complete(&rtc->com);
 }
 
-int mf_get_rtc(struct rtc_time *tm)
+static int rtc_set_tm(int rc, u8 *ce_msg, 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 (rtc_data.rc) {
+        if (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 rtc_data.rc;
+                return rc;
         }
 
-        if ((rtc_data.ce_msg.ce_msg[2] == 0xa9) ||
-            (rtc_data.ce_msg.ce_msg[2] == 0xaf)) {
+        if ((ce_msg[2] == 0xa9) ||
+            (ce_msg[2] == 0xaf)) {
                 /* TOD clock is not set */
                 tm->tm_sec = 1;
                 tm->tm_min = 1;
@@ -736,7 +725,6 @@ int mf_get_rtc(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];
@@ -765,6 +753,63 @@ int mf_get_rtc(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];
diff --git a/arch/ppc64/kernel/rtc.c b/arch/ppc64/kernel/rtc.c
index 3e70b91375fc..67989055a9fe 100644
--- a/arch/ppc64/kernel/rtc.c
+++ b/arch/ppc64/kernel/rtc.c
@@ -292,47 +292,10 @@ 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;
 
-        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;
+        mf_get_boot_rtc(tm);
         tm->tm_mon  -= 1;
 }
 #endif
diff --git a/arch/ppc64/kernel/time.c b/arch/ppc64/kernel/time.c
index 772a465b49f9..3d54745108c7 100644
--- a/arch/ppc64/kernel/time.c
+++ b/arch/ppc64/kernel/time.c
@@ -515,6 +515,7 @@ 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;
diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index 33a020faeabd..4f7ce7056228 100644
--- a/drivers/ide/ide-cd.c
+++ b/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 & mask) || (addr & mask))
+                if ((rq->data_len & 3) || (addr & mask))
                         info->dma = 0;
         }
 
diff --git a/drivers/media/video/saa7134/saa6752hs.c b/drivers/media/video/saa7134/saa6752hs.c
index fe6abe34168c..1db022682980 100644
--- a/drivers/media/video/saa7134/saa6752hs.c
+++ b/drivers/media/video/saa7134/saa6752hs.c
@@ -43,15 +43,15 @@ enum saa6752hs_videoformat {
 static const struct v4l2_format v4l2_format_table[] =
 {
         [SAA6752HS_VF_D1] = {
-                .fmt.pix.width = 720, .fmt.pix.height = 576 },
+                .fmt = { .pix = { .width = 720, .height = 576 }, }, },
         [SAA6752HS_VF_2_3_D1] = {
-                .fmt.pix.width = 480, .fmt.pix.height = 576 },
+                .fmt = { .pix = { .width = 480, .height = 576 }, }, },
         [SAA6752HS_VF_1_2_D1] = {
-                .fmt.pix.width = 352, .fmt.pix.height = 576 },
+                .fmt = { .pix = { .width = 352, .height = 576 }, }, },
         [SAA6752HS_VF_SIF] = {
-                .fmt.pix.width = 352, .fmt.pix.height = 288 },
+                .fmt = { .pix = { .width = 352, .height = 288 }, }, },
         [SAA6752HS_VF_UNKNOWN] = {
-                .fmt.pix.width = 0, .fmt.pix.height = 0},
+                .fmt = { .pix = { .width = 0, .height = 0 }, }, },
 };
 
 struct saa6752hs_state {
diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm.c b/drivers/scsi/aic7xxx/aic7xxx_osm.c
index f90efa265ba2..c13e56320010 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_osm.c
+++ b/drivers/scsi/aic7xxx/aic7xxx_osm.c
@@ -659,8 +659,11 @@ ahc_linux_slave_alloc(struct scsi_device *device)
         ahc_lock(ahc, &flags);
         targ = ahc->platform_data->targets[target_offset];
         if (targ == NULL) {
-                targ = ahc_linux_alloc_target(ahc, starget->channel, starget->id);
-                struct seeprom_config *sc = ahc->seep_config;
+                struct seeprom_config *sc;
+
+                targ = ahc_linux_alloc_target(ahc, starget->channel,
+                                                starget->id);
+                sc = ahc->seep_config;
                 if (targ == NULL)
                         goto out;
 
diff --git a/drivers/usb/atm/speedtch.c b/drivers/usb/atm/speedtch.c
index 233f9229badb..2a1697bfd695 100644
--- a/drivers/usb/atm/speedtch.c
+++ b/drivers/usb/atm/speedtch.c
@@ -386,6 +386,8 @@ static void speedtch_poll_status(struct speedtch_instance_data *instance)
                 if (instance->u.atm_dev->signal != ATM_PHY_SIG_LOST) {
                         instance->u.atm_dev->signal = ATM_PHY_SIG_LOST;
                         printk(KERN_NOTICE "ADSL line is down\n");
+                        /* It'll never resync again unless we ask it to... */
+                        speedtch_start_synchro(instance);
                 }
                 break;
 
diff --git a/include/asm-ppc64/iSeries/mf.h b/include/asm-ppc64/iSeries/mf.h
index 2e59a8e15a0b..db333e1ee216 100644
--- a/include/asm-ppc64/iSeries/mf.h
+++ b/include/asm-ppc64/iSeries/mf.h
@@ -52,6 +52,7 @@ extern void mf_clear_src(void);
 extern void mf_init(void);
 
 extern int mf_get_rtc(struct rtc_time *tm);
+extern int mf_get_boot_rtc(struct rtc_time *tm);
 extern int mf_set_rtc(struct rtc_time *tm);
 
 #endif /* _ASM_PPC64_ISERIES_MF_H */
diff --git a/kernel/signal.c b/kernel/signal.c
index 8f3debc77c5b..b3c24c732c5a 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -522,7 +522,16 @@ static int __dequeue_signal(struct sigpending *pending, sigset_t *mask,
 {
         int sig = 0;
 
-        sig = next_signal(pending, mask);
+        /* SIGKILL must have priority, otherwise it is quite easy
+         * to create an unkillable process, sending sig < SIGKILL
+         * to self */
+        if (unlikely(sigismember(&pending->signal, SIGKILL))) {
+                if (!sigismember(mask, SIGKILL))
+                        sig = SIGKILL;
+        }
+
+        if (likely(!sig))
+                sig = next_signal(pending, mask);
         if (sig) {
                 if (current->notifier) {
                         if (sigismember(current->notifier_mask, sig)) {
diff --git a/mm/rmap.c b/mm/rmap.c
index a6203b4e1278..9827409eb7c7 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -626,7 +626,7 @@ static void try_to_unmap_cluster(unsigned long cursor,
         pgd_t *pgd;
         pud_t *pud;
         pmd_t *pmd;
-        pte_t *pte;
+        pte_t *pte, *original_pte;
         pte_t pteval;
         struct page *page;
         unsigned long address;
@@ -658,7 +658,7 @@ static void try_to_unmap_cluster(unsigned long cursor,
         if (!pmd_present(*pmd))
                 goto out_unlock;
 
-        for (pte = pte_offset_map(pmd, address);
+        for (original_pte = pte = pte_offset_map(pmd, address);
                         address < end; pte++, address += PAGE_SIZE) {
 
                 if (!pte_present(*pte))
@@ -694,7 +694,7 @@ static void try_to_unmap_cluster(unsigned long cursor,
                 (*mapcount)--;
         }
 
-        pte_unmap(pte);
+        pte_unmap(original_pte);
 out_unlock:
         spin_unlock(&mm->page_table_lock);
 }