7 files changed, 86 insertions, 25 deletions

diff --git a/arch/x86_64/defconfig b/arch/x86_64/defconfig
index 776f3c866b70..b97a61e1c71c 100644
--- a/arch/x86_64/defconfig
+++ b/arch/x86_64/defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.13-rc3
-# Fri Jul 22 16:47:31 2005
+# Linux kernel version: 2.6.13-rc6-git3
+# Fri Aug 12 16:40:34 2005
 #
 CONFIG_X86_64=y
 CONFIG_64BIT=y
@@ -284,10 +284,6 @@ CONFIG_IPV6=y
 # Network testing
 #
 # CONFIG_NET_PKTGEN is not set
-CONFIG_NETPOLL=y
-# CONFIG_NETPOLL_RX is not set
-# CONFIG_NETPOLL_TRAP is not set
-CONFIG_NET_POLL_CONTROLLER=y
 # CONFIG_HAMRADIO is not set
 # CONFIG_IRDA is not set
 # CONFIG_BT is not set
@@ -463,6 +459,7 @@ CONFIG_AIC79XX_DEBUG_MASK=0
 # CONFIG_MEGARAID_NEWGEN is not set
 # CONFIG_MEGARAID_LEGACY is not set
 CONFIG_SCSI_SATA=y
+# CONFIG_SCSI_SATA_AHCI is not set
 # CONFIG_SCSI_SATA_SVW is not set
 CONFIG_SCSI_ATA_PIIX=y
 # CONFIG_SCSI_SATA_NV is not set
@@ -492,6 +489,7 @@ CONFIG_SCSI_QLA2XXX=y
 # CONFIG_SCSI_QLA2300 is not set
 # CONFIG_SCSI_QLA2322 is not set
 # CONFIG_SCSI_QLA6312 is not set
+# CONFIG_SCSI_QLA24XX is not set
 # CONFIG_SCSI_LPFC is not set
 # CONFIG_SCSI_DC395x is not set
 # CONFIG_SCSI_DC390T is not set
@@ -512,9 +510,11 @@ CONFIG_BLK_DEV_DM=y
 #
 # Fusion MPT device support
 #
-# CONFIG_FUSION is not set
-# CONFIG_FUSION_SPI is not set
+CONFIG_FUSION=y
+CONFIG_FUSION_SPI=y
 # CONFIG_FUSION_FC is not set
+CONFIG_FUSION_MAX_SGE=128
+# CONFIG_FUSION_CTL is not set
 
 #
 # IEEE 1394 (FireWire) support
@@ -585,6 +585,7 @@ CONFIG_8139TOO=y
 # CONFIG_ACENIC is not set
 # CONFIG_DL2K is not set
 CONFIG_E1000=y
+# CONFIG_E1000_NAPI is not set
 # CONFIG_NS83820 is not set
 # CONFIG_HAMACHI is not set
 # CONFIG_YELLOWFIN is not set
@@ -624,6 +625,10 @@ CONFIG_S2IO=m
 # CONFIG_NET_FC is not set
 # CONFIG_SHAPER is not set
 CONFIG_NETCONSOLE=y
+CONFIG_NETPOLL=y
+# CONFIG_NETPOLL_RX is not set
+# CONFIG_NETPOLL_TRAP is not set
+CONFIG_NET_POLL_CONTROLLER=y
 
 #
 # ISDN subsystem
diff --git a/arch/x86_64/kernel/e820.c b/arch/x86_64/kernel/e820.c
index 6ded3a50dfe6..b548dea4e5b9 100644
--- a/arch/x86_64/kernel/e820.c
+++ b/arch/x86_64/kernel/e820.c
@@ -185,6 +185,40 @@ unsigned long __init e820_end_of_ram(void)
 }
 
 /* 
+ * Compute how much memory is missing in a range.
+ * Unlike the other functions in this file the arguments are in page numbers.
+ */
+unsigned long __init
+e820_hole_size(unsigned long start_pfn, unsigned long end_pfn)
+{
+        unsigned long ram = 0;
+        unsigned long start = start_pfn << PAGE_SHIFT;
+        unsigned long end = end_pfn << PAGE_SHIFT;
+        int i;
+        for (i = 0; i < e820.nr_map; i++) {
+                struct e820entry *ei = &e820.map[i];
+                unsigned long last, addr;
+
+                if (ei->type != E820_RAM ||
+                    ei->addr+ei->size <= start ||
+                    ei->addr >= end)
+                        continue;
+
+                addr = round_up(ei->addr, PAGE_SIZE);
+                if (addr < start)
+                        addr = start;
+
+                last = round_down(ei->addr + ei->size, PAGE_SIZE);
+                if (last >= end)
+                        last = end;
+
+                if (last > addr)
+                        ram += last - addr;
+        }
+        return ((end - start) - ram) >> PAGE_SHIFT;
+}
+
+/*
  * Mark e820 reserved areas as busy for the resource manager.
  */
 void __init e820_reserve_resources(void)
diff --git a/arch/x86_64/kernel/smpboot.c b/arch/x86_64/kernel/smpboot.c
index b15761ff4101..fa25e39fe54d 100644
--- a/arch/x86_64/kernel/smpboot.c
+++ b/arch/x86_64/kernel/smpboot.c
@@ -492,6 +492,14 @@ void __cpuinit start_secondary(void)
          */
         set_cpu_sibling_map(smp_processor_id());
 
+        /* 
+         * Wait for TSC sync to not schedule things before.
+         * We still process interrupts, which could see an inconsistent
+         * time in that window unfortunately. 
+         * Do this here because TSC sync has global unprotected state.
+         */
+        tsc_sync_wait();
+
         /*
          * We need to hold call_lock, so there is no inconsistency
          * between the time smp_call_function() determines number of
@@ -509,13 +517,6 @@ void __cpuinit start_secondary(void)
         per_cpu(cpu_state, smp_processor_id()) = CPU_ONLINE;
         unlock_ipi_call_lock();
 
-        mb();
-
-        /* Wait for TSC sync to not schedule things before.
-           We still process interrupts, which could see an inconsistent
-           time in that window unfortunately. */
-        tsc_sync_wait();
-
         cpu_idle();
 }
 
diff --git a/arch/x86_64/mm/fault.c b/arch/x86_64/mm/fault.c
index 493819e543a5..ca914c3bd49c 100644
--- a/arch/x86_64/mm/fault.c
+++ b/arch/x86_64/mm/fault.c
@@ -211,9 +211,7 @@ int unhandled_signal(struct task_struct *tsk, int sig)
 {
         if (tsk->pid == 1)
                 return 1;
-        /* Warn for strace, but not for gdb */
-        if (!test_ti_thread_flag(tsk->thread_info, TIF_SYSCALL_TRACE) &&
-            (tsk->ptrace & PT_PTRACED))
+        if (tsk->ptrace & PT_PTRACED)
                 return 0;
         return (tsk->sighand->action[sig-1].sa.sa_handler == SIG_IGN) ||
                 (tsk->sighand->action[sig-1].sa.sa_handler == SIG_DFL);
diff --git a/arch/x86_64/mm/init.c b/arch/x86_64/mm/init.c
index 72e4b364ed73..aa4a5189ecee 100644
--- a/arch/x86_64/mm/init.c
+++ b/arch/x86_64/mm/init.c
@@ -322,18 +322,26 @@ void zap_low_mappings(void)
 void __init paging_init(void)
 {
         {
-                unsigned long zones_size[MAX_NR_ZONES] = {0, 0, 0};
+                unsigned long zones_size[MAX_NR_ZONES];
+                unsigned long holes[MAX_NR_ZONES];
                 unsigned int max_dma;
 
+                memset(zones_size, 0, sizeof(zones_size));
+                memset(holes, 0, sizeof(holes));
+
                 max_dma = virt_to_phys((char *)MAX_DMA_ADDRESS) >> PAGE_SHIFT;
 
-                if (end_pfn < max_dma)
+                if (end_pfn < max_dma) {
                         zones_size[ZONE_DMA] = end_pfn;
-                else {
+                        holes[ZONE_DMA] = e820_hole_size(0, end_pfn);
+                } else {
                         zones_size[ZONE_DMA] = max_dma;
+                        holes[ZONE_DMA] = e820_hole_size(0, max_dma);
                         zones_size[ZONE_NORMAL] = end_pfn - max_dma;
+                        holes[ZONE_NORMAL] = e820_hole_size(max_dma, end_pfn);
                 }
-                free_area_init(zones_size);
+                free_area_init_node(0, NODE_DATA(0), zones_size,
+                        __pa(PAGE_OFFSET) >> PAGE_SHIFT, holes);
         }
         return;
 }
diff --git a/arch/x86_64/mm/numa.c b/arch/x86_64/mm/numa.c
index 70cb2904a90f..6a156f5692ae 100644
--- a/arch/x86_64/mm/numa.c
+++ b/arch/x86_64/mm/numa.c
@@ -126,9 +126,11 @@ void __init setup_node_zones(int nodeid)
 { 
         unsigned long start_pfn, end_pfn; 
         unsigned long zones[MAX_NR_ZONES];
+        unsigned long holes[MAX_NR_ZONES];
         unsigned long dma_end_pfn;
 
         memset(zones, 0, sizeof(unsigned long) * MAX_NR_ZONES); 
+        memset(holes, 0, sizeof(unsigned long) * MAX_NR_ZONES);
 
         start_pfn = node_start_pfn(nodeid);
         end_pfn = node_end_pfn(nodeid);
@@ -139,13 +141,17 @@ void __init setup_node_zones(int nodeid)
         dma_end_pfn = __pa(MAX_DMA_ADDRESS) >> PAGE_SHIFT; 
         if (start_pfn < dma_end_pfn) { 
                 zones[ZONE_DMA] = dma_end_pfn - start_pfn;
+                holes[ZONE_DMA] = e820_hole_size(start_pfn, dma_end_pfn);
                 zones[ZONE_NORMAL] = end_pfn - dma_end_pfn; 
+                holes[ZONE_NORMAL] = e820_hole_size(dma_end_pfn, end_pfn);
+
         } else { 
                 zones[ZONE_NORMAL] = end_pfn - start_pfn; 
+                holes[ZONE_NORMAL] = e820_hole_size(start_pfn, end_pfn);
         } 
     
         free_area_init_node(nodeid, NODE_DATA(nodeid), zones,
-                            start_pfn, NULL); 
+                            start_pfn, holes);
 } 
 
 void __init numa_init_array(void)
diff --git a/arch/x86_64/pci/k8-bus.c b/arch/x86_64/pci/k8-bus.c
index c2c38b579939..d80c323669e0 100644
--- a/arch/x86_64/pci/k8-bus.c
+++ b/arch/x86_64/pci/k8-bus.c
@@ -47,13 +47,22 @@ fill_mp_bus_to_cpumask(void)
                          * if there are no busses hanging off of the current
                          * ldt link then both the secondary and subordinate
                          * bus number fields are set to 0.
+                         * 
+                         * RED-PEN
+                         * This is slightly broken because it assumes
+                         * HT node IDs == Linux node ids, which is not always
+                         * true. However it is probably mostly true.
                          */
                         if (!(SECONDARY_LDT_BUS_NUMBER(ldtbus) == 0
                                 && SUBORDINATE_LDT_BUS_NUMBER(ldtbus) == 0)) {
                                 for (j = SECONDARY_LDT_BUS_NUMBER(ldtbus);
                                      j <= SUBORDINATE_LDT_BUS_NUMBER(ldtbus);
-                                     j++)
-                                        pci_bus_to_node[j] = NODE_ID(nid);
+                                     j++) { 
+                                        int node = NODE_ID(nid);
+                                        if (!node_online(node))
+                                                node = 0;
+                                        pci_bus_to_node[j] = node;
+                                }               
                         }
                 }
         }