50 files changed, 187 insertions, 209 deletions
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index b3400b5ad5c6..783cfbbf87ca 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -330,6 +330,7 @@ config CPU_SUBTYPE_SH5_101
 config CPU_SUBTYPE_SH5_103
        bool "Support SH5-103 processor"
+        select CPU_SH5
 endchoice
diff --git a/arch/sh/drivers/dma/dma-sh.c b/arch/sh/drivers/dma/dma-sh.c
index 5c3359756a92..71ff3d6f26e2 100644
--- a/arch/sh/drivers/dma/dma-sh.c
+++ b/arch/sh/drivers/dma/dma-sh.c
@@ -90,7 +90,7 @@ static irqreturn_t dma_tei(int irq, void *dev_id)
 static int sh_dmac_request_dma(struct dma_channel *chan)
 {
-        if (unlikely(!chan->flags & DMA_TEI_CAPABLE))
+        if (unlikely(!(chan->flags & DMA_TEI_CAPABLE)))
                return 0;
        return request_irq(get_dmte_irq(chan->chan), dma_tei,
diff --git a/arch/sh/drivers/heartbeat.c b/arch/sh/drivers/heartbeat.c
index b76a14f12ce2..ab77b0e0fa0e 100644
--- a/arch/sh/drivers/heartbeat.c
+++ b/arch/sh/drivers/heartbeat.c
@@ -93,7 +93,7 @@ static int heartbeat_drv_probe(struct platform_device *pdev)
        }
        hd->base = ioremap_nocache(res->start, res->end - res->start + 1);
-        if (!unlikely(hd->base)) {
+        if (unlikely(!hd->base)) {
                dev_err(&pdev->dev, "ioremap failed\n");
                if (!pdev->dev.platform_data)
diff --git a/arch/sh/drivers/pci/ops-dreamcast.c b/arch/sh/drivers/pci/ops-dreamcast.c
index 0dac87b19624..e1284fc69361 100644
--- a/arch/sh/drivers/pci/ops-dreamcast.c
+++ b/arch/sh/drivers/pci/ops-dreamcast.c
@@ -83,9 +83,9 @@ static int gapspci_read(struct pci_bus *bus, unsigned int devfn, int where, int
                return PCIBIOS_DEVICE_NOT_FOUND;
        switch (size) {
-                case 1: *val = ctrl_inb(GAPSPCI_BBA_CONFIG+where); break;
+                case 1: *val = inb(GAPSPCI_BBA_CONFIG+where); break;
-                case 2: *val = ctrl_inw(GAPSPCI_BBA_CONFIG+where); break;
+                case 2: *val = inw(GAPSPCI_BBA_CONFIG+where); break;
-                case 4: *val = ctrl_inl(GAPSPCI_BBA_CONFIG+where); break;
+                case 4: *val = inl(GAPSPCI_BBA_CONFIG+where); break;
        }       
        return PCIBIOS_SUCCESSFUL;
@@ -97,9 +97,9 @@ static int gapspci_write(struct pci_bus *bus, unsigned int devfn, int where, int
                return PCIBIOS_DEVICE_NOT_FOUND;
        switch (size) {
-                case 1: ctrl_outb(( u8)val, GAPSPCI_BBA_CONFIG+where); break;
+                case 1: outb(( u8)val, GAPSPCI_BBA_CONFIG+where); break;
-                case 2: ctrl_outw((u16)val, GAPSPCI_BBA_CONFIG+where); break;
+                case 2: outw((u16)val, GAPSPCI_BBA_CONFIG+where); break;
-                case 4: ctrl_outl((u32)val, GAPSPCI_BBA_CONFIG+where); break;
+                case 4: outl((u32)val, GAPSPCI_BBA_CONFIG+where); break;
        }
        return PCIBIOS_SUCCESSFUL;
@@ -127,36 +127,36 @@ int __init gapspci_init(void)
         */
        for (i=0; i<16; i++)
-                idbuf[i] = ctrl_inb(GAPSPCI_REGS+i);
+                idbuf[i] = inb(GAPSPCI_REGS+i);
        if (strncmp(idbuf, "GAPSPCI_BRIDGE_2", 16))
                return -ENODEV;
-        ctrl_outl(0x5a14a501, GAPSPCI_REGS+0x18);
+        outl(0x5a14a501, GAPSPCI_REGS+0x18);
        for (i=0; i<1000000; i++)
                ;
-        if (ctrl_inl(GAPSPCI_REGS+0x18) != 1)
+        if (inl(GAPSPCI_REGS+0x18) != 1)
                return -EINVAL;
-        ctrl_outl(0x01000000, GAPSPCI_REGS+0x20);
+        outl(0x01000000, GAPSPCI_REGS+0x20);
-        ctrl_outl(0x01000000, GAPSPCI_REGS+0x24);
+        outl(0x01000000, GAPSPCI_REGS+0x24);
-        ctrl_outl(GAPSPCI_DMA_BASE, GAPSPCI_REGS+0x28);
+        outl(GAPSPCI_DMA_BASE, GAPSPCI_REGS+0x28);
-        ctrl_outl(GAPSPCI_DMA_BASE+GAPSPCI_DMA_SIZE, GAPSPCI_REGS+0x2c);
+        outl(GAPSPCI_DMA_BASE+GAPSPCI_DMA_SIZE, GAPSPCI_REGS+0x2c);
-        ctrl_outl(1, GAPSPCI_REGS+0x14);
+        outl(1, GAPSPCI_REGS+0x14);
-        ctrl_outl(1, GAPSPCI_REGS+0x34);
+        outl(1, GAPSPCI_REGS+0x34);
        /* Setting Broadband Adapter */
-        ctrl_outw(0xf900, GAPSPCI_BBA_CONFIG+0x06);
+        outw(0xf900, GAPSPCI_BBA_CONFIG+0x06);
-        ctrl_outl(0x00000000, GAPSPCI_BBA_CONFIG+0x30);
+        outl(0x00000000, GAPSPCI_BBA_CONFIG+0x30);
-        ctrl_outb(0x00, GAPSPCI_BBA_CONFIG+0x3c);
+        outb(0x00, GAPSPCI_BBA_CONFIG+0x3c);
-        ctrl_outb(0xf0, GAPSPCI_BBA_CONFIG+0x0d);
+        outb(0xf0, GAPSPCI_BBA_CONFIG+0x0d);
-        ctrl_outw(0x0006, GAPSPCI_BBA_CONFIG+0x04);
+        outw(0x0006, GAPSPCI_BBA_CONFIG+0x04);
-        ctrl_outl(0x00002001, GAPSPCI_BBA_CONFIG+0x10);
+        outl(0x00002001, GAPSPCI_BBA_CONFIG+0x10);
-        ctrl_outl(0x01000000, GAPSPCI_BBA_CONFIG+0x14);
+        outl(0x01000000, GAPSPCI_BBA_CONFIG+0x14);
        return 0;
 }
diff --git a/arch/sh/kernel/cpu/sh2/setup-sh7619.c b/arch/sh/kernel/cpu/sh2/setup-sh7619.c
index b230eb278cef..cc530f4d84d6 100644
--- a/arch/sh/kernel/cpu/sh2/setup-sh7619.c
+++ b/arch/sh/kernel/cpu/sh2/setup-sh7619.c
@@ -10,7 +10,7 @@
 #include <linux/platform_device.h>
 #include <linux/init.h>
 #include <linux/serial.h>
-#include <asm/sci.h>
+#include <linux/serial_sci.h>
 enum {
        UNUSED = 0,
diff --git a/arch/sh/kernel/cpu/sh2a/clock-sh7203.c b/arch/sh/kernel/cpu/sh2a/clock-sh7203.c
index 3feb95a4fcbc..fb781329848a 100644
--- a/arch/sh/kernel/cpu/sh2a/clock-sh7203.c
+++ b/arch/sh/kernel/cpu/sh2a/clock-sh7203.c
@@ -21,8 +21,8 @@
 #include <asm/freq.h>
 #include <asm/io.h>
-const static int pll1rate[]={8,12,16,0};
+static const int pll1rate[]={8,12,16,0};
-const static int pfc_divisors[]={1,2,3,4,6,8,12};
+static const int pfc_divisors[]={1,2,3,4,6,8,12};
 #define ifc_divisors pfc_divisors
 #if (CONFIG_SH_CLK_MD == 0)
diff --git a/arch/sh/kernel/cpu/sh2a/setup-sh7203.c b/arch/sh/kernel/cpu/sh2a/setup-sh7203.c
index db6ef5cecde1..e98dc4450352 100644
--- a/arch/sh/kernel/cpu/sh2a/setup-sh7203.c
+++ b/arch/sh/kernel/cpu/sh2a/setup-sh7203.c
@@ -10,7 +10,7 @@
 #include <linux/platform_device.h>
 #include <linux/init.h>
 #include <linux/serial.h>
-#include <asm/sci.h>
+#include <linux/serial_sci.h>
 enum {
        UNUSED = 0,
diff --git a/arch/sh/kernel/cpu/sh2a/setup-sh7206.c b/arch/sh/kernel/cpu/sh2a/setup-sh7206.c
index a564425b905f..e6d4ec445dd8 100644
--- a/arch/sh/kernel/cpu/sh2a/setup-sh7206.c
+++ b/arch/sh/kernel/cpu/sh2a/setup-sh7206.c
@@ -10,7 +10,7 @@
 #include <linux/platform_device.h>
 #include <linux/init.h>
 #include <linux/serial.h>
-#include <asm/sci.h>
+#include <linux/serial_sci.h>
 enum {
        UNUSED = 0,
diff --git a/arch/sh/kernel/cpu/sh3/probe.c b/arch/sh/kernel/cpu/sh3/probe.c
index fcc80bb7bee7..10f2a760c5ee 100644
--- a/arch/sh/kernel/cpu/sh3/probe.c
+++ b/arch/sh/kernel/cpu/sh3/probe.c
@@ -94,9 +94,9 @@ int __uses_jump_to_uncached detect_cpu_and_cache_system(void)
                boot_cpu_data.dcache.way_incr   = (1 << 13);
                boot_cpu_data.dcache.entry_mask = 0x1ff0;
                boot_cpu_data.dcache.sets       = 512;
-                ctrl_outl(CCR_CACHE_32KB, CCR3);
+                ctrl_outl(CCR_CACHE_32KB, CCR3_REG);
 #else
-                ctrl_outl(CCR_CACHE_16KB, CCR3);
+                ctrl_outl(CCR_CACHE_16KB, CCR3_REG);
 #endif
 #endif
        }
diff --git a/arch/sh/kernel/cpu/sh3/setup-sh7705.c b/arch/sh/kernel/cpu/sh3/setup-sh7705.c
index dd0a20a685f7..f581534cb732 100644
--- a/arch/sh/kernel/cpu/sh3/setup-sh7705.c
+++ b/arch/sh/kernel/cpu/sh3/setup-sh7705.c
@@ -12,7 +12,7 @@
 #include <linux/init.h>
 #include <linux/irq.h>
 #include <linux/serial.h>
-#include <asm/sci.h>
+#include <linux/serial_sci.h>
 #include <asm/rtc.h>
 enum {
diff --git a/arch/sh/kernel/cpu/sh3/setup-sh770x.c b/arch/sh/kernel/cpu/sh3/setup-sh770x.c
index 969804bb523b..d3733b13ea52 100644
--- a/arch/sh/kernel/cpu/sh3/setup-sh770x.c
+++ b/arch/sh/kernel/cpu/sh3/setup-sh770x.c
@@ -16,7 +16,7 @@
 #include <linux/irq.h>
 #include <linux/platform_device.h>
 #include <linux/serial.h>
-#include <asm/sci.h>
+#include <linux/serial_sci.h>
 enum {
        UNUSED = 0,
@@ -123,15 +123,15 @@ static struct resource rtc_resources[] = {
                .flags  = IORESOURCE_IO,
        },
        [1] =   {
-                .start  = 20,
+                .start  = 21,
                .flags  = IORESOURCE_IRQ,
        },
        [2] =   {
-                .start  = 21,
+                .start  = 22,
                .flags  = IORESOURCE_IRQ,
        },
        [3] =   {
-                .start  = 22,
+                .start  = 20,
                .flags  = IORESOURCE_IRQ,
        },
 };
diff --git a/arch/sh/kernel/cpu/sh3/setup-sh7710.c b/arch/sh/kernel/cpu/sh3/setup-sh7710.c
index 0cc0e2bf135d..7406c9ad9259 100644
--- a/arch/sh/kernel/cpu/sh3/setup-sh7710.c
+++ b/arch/sh/kernel/cpu/sh3/setup-sh7710.c
@@ -12,7 +12,7 @@
 #include <linux/init.h>
 #include <linux/irq.h>
 #include <linux/serial.h>
-#include <asm/sci.h>
+#include <linux/serial_sci.h>
 #include <asm/rtc.h>
 enum {
diff --git a/arch/sh/kernel/cpu/sh3/setup-sh7720.c b/arch/sh/kernel/cpu/sh3/setup-sh7720.c
index 3855ea4c21c8..8028082527c5 100644
--- a/arch/sh/kernel/cpu/sh3/setup-sh7720.c
+++ b/arch/sh/kernel/cpu/sh3/setup-sh7720.c
@@ -16,7 +16,7 @@
 #include <linux/init.h>
 #include <linux/serial.h>
 #include <linux/io.h>
-#include <asm/sci.h>
+#include <linux/serial_sci.h>
 #include <asm/rtc.h>
 #define INTC_ICR1       0xA4140010UL
diff --git a/arch/sh/kernel/cpu/sh4/setup-sh4-202.c b/arch/sh/kernel/cpu/sh4/setup-sh4-202.c
index dab193293f20..7371abf64f80 100644
--- a/arch/sh/kernel/cpu/sh4/setup-sh4-202.c
+++ b/arch/sh/kernel/cpu/sh4/setup-sh4-202.c
@@ -10,7 +10,7 @@
 #include <linux/platform_device.h>
 #include <linux/init.h>
 #include <linux/serial.h>
-#include <asm/sci.h>
+#include <linux/serial_sci.h>
 static struct plat_sci_port sci_platform_data[] = {
        {
diff --git a/arch/sh/kernel/cpu/sh4/setup-sh7750.c b/arch/sh/kernel/cpu/sh4/setup-sh7750.c
index ae3603aca615..ec884039b914 100644
--- a/arch/sh/kernel/cpu/sh4/setup-sh7750.c
+++ b/arch/sh/kernel/cpu/sh4/setup-sh7750.c
@@ -12,7 +12,7 @@
 #include <linux/init.h>
 #include <linux/serial.h>
 #include <linux/io.h>
-#include <asm/sci.h>
+#include <linux/serial_sci.h>
 static struct resource rtc_resources[] = {
        [0] = {
diff --git a/arch/sh/kernel/cpu/sh4/setup-sh7760.c b/arch/sh/kernel/cpu/sh4/setup-sh7760.c
index 85f81579b97e..254c5c55ab91 100644
--- a/arch/sh/kernel/cpu/sh4/setup-sh7760.c
+++ b/arch/sh/kernel/cpu/sh4/setup-sh7760.c
@@ -10,7 +10,7 @@
 #include <linux/platform_device.h>
 #include <linux/init.h>
 #include <linux/serial.h>
-#include <asm/sci.h>
+#include <linux/serial_sci.h>
 enum {
        UNUSED = 0,
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7343.c b/arch/sh/kernel/cpu/sh4a/setup-sh7343.c
index c0a3f079dfdc..6d4f50cd4aaf 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7343.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7343.c
@@ -10,7 +10,7 @@
 #include <linux/platform_device.h>
 #include <linux/init.h>
 #include <linux/serial.h>
-#include <asm/sci.h>
+#include <linux/serial_sci.h>
 static struct plat_sci_port sci_platform_data[] = {
        {
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7366.c b/arch/sh/kernel/cpu/sh4a/setup-sh7366.c
index 967e8b69a2f8..f26b5cdad0d1 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7366.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7366.c
@@ -12,7 +12,7 @@
 #include <linux/platform_device.h>
 #include <linux/init.h>
 #include <linux/serial.h>
-#include <asm/sci.h>
+#include <linux/serial_sci.h>
 static struct plat_sci_port sci_platform_data[] = {
        {
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
index 73c778d40d13..b98b4bc93ec9 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
@@ -10,9 +10,9 @@
 #include <linux/platform_device.h>
 #include <linux/init.h>
 #include <linux/serial.h>
+#include <linux/serial_sci.h>
 #include <linux/mm.h>
 #include <asm/mmzone.h>
-#include <asm/sci.h>
 static struct resource usbf_resources[] = {
        [0] = {
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7763.c b/arch/sh/kernel/cpu/sh4a/setup-sh7763.c
index eabd5386812d..07c988dc9de6 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7763.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7763.c
@@ -12,7 +12,7 @@
 #include <linux/init.h>
 #include <linux/serial.h>
 #include <linux/io.h>
-#include <asm/sci.h>
+#include <linux/serial_sci.h>
 static struct resource rtc_resources[] = {
        [0] = {
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7770.c b/arch/sh/kernel/cpu/sh4a/setup-sh7770.c
index 32f4f59a837b..b9cec48b1808 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7770.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7770.c
@@ -10,7 +10,7 @@
 #include <linux/platform_device.h>
 #include <linux/init.h>
 #include <linux/serial.h>
-#include <asm/sci.h>
+#include <linux/serial_sci.h>
 static struct plat_sci_port sci_platform_data[] = {
        {
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7780.c b/arch/sh/kernel/cpu/sh4a/setup-sh7780.c
index 293004b526ff..18dbbe23fea1 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7780.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7780.c
@@ -11,7 +11,7 @@
 #include <linux/init.h>
 #include <linux/serial.h>
 #include <linux/io.h>
-#include <asm/sci.h>
+#include <linux/serial_sci.h>
 static struct resource rtc_resources[] = {
        [0] = {
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7785.c b/arch/sh/kernel/cpu/sh4a/setup-sh7785.c
index 74b60e96cdf4..621e7329ec63 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7785.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7785.c
@@ -10,10 +10,10 @@
 #include <linux/platform_device.h>
 #include <linux/init.h>
 #include <linux/serial.h>
+#include <linux/serial_sci.h>
 #include <linux/io.h>
 #include <linux/mm.h>
 #include <asm/mmzone.h>
-#include <asm/sci.h>
 static struct plat_sci_port sci_platform_data[] = {
        {
diff --git a/arch/sh/kernel/cpu/sh4a/setup-shx3.c b/arch/sh/kernel/cpu/sh4a/setup-shx3.c
index 4dc958b6b314..bd35f32534b9 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-shx3.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-shx3.c
@@ -10,9 +10,9 @@
 #include <linux/platform_device.h>
 #include <linux/init.h>
 #include <linux/serial.h>
+#include <linux/serial_sci.h>
 #include <linux/io.h>
 #include <asm/mmzone.h>
-#include <asm/sci.h>
 static struct plat_sci_port sci_platform_data[] = {
        {
diff --git a/arch/sparc/kernel/led.c b/arch/sparc/kernel/led.c
index 313d1620ae8e..59e9344e7a0d 100644
--- a/arch/sparc/kernel/led.c
+++ b/arch/sparc/kernel/led.c
@@ -3,6 +3,9 @@
 #include <linux/init.h>
 #include <linux/proc_fs.h>
 #include <linux/string.h>
+#include <linux/jiffies.h>
+#include <linux/timer.h>
+#include <linux/uaccess.h>
 #include <asm/auxio.h>
diff --git a/arch/sparc64/kernel/ds.c b/arch/sparc64/kernel/ds.c
index eeb5a2fc788d..bd76482077be 100644
--- a/arch/sparc64/kernel/ds.c
+++ b/arch/sparc64/kernel/ds.c
@@ -525,10 +525,10 @@ static void dr_cpu_mark(struct ds_data *resp, int cpu, int ncpus,
        }
 }
-static int dr_cpu_configure(struct ds_info *dp,
+static int __cpuinit dr_cpu_configure(struct ds_info *dp,
-                            struct ds_cap_state *cp,
+                                      struct ds_cap_state *cp,
-                            u64 req_num,
+                                      u64 req_num,
-                            cpumask_t *mask)
+                                      cpumask_t *mask)
 {
        struct ds_data *resp;
        int resp_len, ncpus, cpu;
@@ -623,9 +623,9 @@ static int dr_cpu_unconfigure(struct ds_info *dp,
        return 0;
 }
-static void dr_cpu_data(struct ds_info *dp,
+static void __cpuinit dr_cpu_data(struct ds_info *dp,
-                        struct ds_cap_state *cp,
+                                  struct ds_cap_state *cp,
-                        void *buf, int len)
+                                  void *buf, int len)
 {
        struct ds_data *data = buf;
        struct dr_cpu_tag *tag = (struct dr_cpu_tag *) (data + 1);
diff --git a/arch/sparc64/kernel/mdesc.c b/arch/sparc64/kernel/mdesc.c
index 856659bb1311..910083589569 100644
--- a/arch/sparc64/kernel/mdesc.c
+++ b/arch/sparc64/kernel/mdesc.c
@@ -758,7 +758,7 @@ static void __devinit get_mondo_data(struct mdesc_handle *hp, u64 mp,
        get_one_mondo_bits(val, &tb->nonresum_qmask, 2);
 }
-void __devinit mdesc_fill_in_cpu_data(cpumask_t mask)
+void __cpuinit mdesc_fill_in_cpu_data(cpumask_t mask)
 {
        struct mdesc_handle *hp = mdesc_grab();
        u64 mp;
diff --git a/arch/sparc64/mm/fault.c b/arch/sparc64/mm/fault.c
index e2027f27c0fe..2650d0d33ac2 100644
--- a/arch/sparc64/mm/fault.c
+++ b/arch/sparc64/mm/fault.c
@@ -244,16 +244,8 @@ static void do_kernel_fault(struct pt_regs *regs, int si_code, int fault_code,
        if (regs->tstate & TSTATE_PRIV) {
                const struct exception_table_entry *entry;
-                if (asi == ASI_P && (insn & 0xc0800000) == 0xc0800000) {
+                entry = search_exception_tables(regs->tpc);
-                        if (insn & 0x2000)
+                if (entry) {
-                                asi = (regs->tstate >> 24);
-                        else
-                                asi = (insn >> 5);
-                }
-        
-                /* Look in asi.h: All _S asis have LS bit set */
-                if ((asi & 0x1) &&
-                    (entry = search_exception_tables(regs->tpc))) {
                        regs->tpc = entry->fixup;
                        regs->tnpc = regs->tpc + 4;
                        return;
@@ -294,7 +286,7 @@ asmlinkage void __kprobes do_sparc64_fault(struct pt_regs *regs)
                unsigned long tpc = regs->tpc;
                /* Sanity check the PC. */
-                if ((tpc >= KERNBASE && tpc < (unsigned long) _etext) ||
+                if ((tpc >= KERNBASE && tpc < (unsigned long) __init_end) ||
                    (tpc >= MODULES_VADDR && tpc < MODULES_END)) {
                        /* Valid, no problems... */
                } else {
diff --git a/arch/sparc64/mm/init.c b/arch/sparc64/mm/init.c
index 9e6bca266d88..b5c30416fdac 100644
--- a/arch/sparc64/mm/init.c
+++ b/arch/sparc64/mm/init.c
@@ -1010,7 +1010,8 @@ static struct linux_prom64_registers pall[MAX_BANKS] __initdata;
 static int pall_ents __initdata;
 #ifdef CONFIG_DEBUG_PAGEALLOC
-static unsigned long kernel_map_range(unsigned long pstart, unsigned long pend, pgprot_t prot)
+static unsigned long __ref kernel_map_range(unsigned long pstart,
+                                            unsigned long pend, pgprot_t prot)
 {
        unsigned long vstart = PAGE_OFFSET + pstart;
        unsigned long vend = PAGE_OFFSET + pend;
diff --git a/arch/um/kernel/process.c b/arch/um/kernel/process.c
index fc50d2f959d1..e8cb9ff183e9 100644
--- a/arch/um/kernel/process.c
+++ b/arch/um/kernel/process.c
@@ -128,8 +128,6 @@ void *get_current(void)
        return current;
 }
-extern void schedule_tail(struct task_struct *prev);
 /*
 * This is called magically, by its address being stuffed in a jmp_buf
 * and being longjmp-d to.
diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu
index e09a6b73a1aa..6d50064db182 100644
--- a/arch/x86/Kconfig.cpu
+++ b/arch/x86/Kconfig.cpu
@@ -377,6 +377,19 @@ config X86_OOSTORE
        def_bool y
        depends on (MWINCHIP3D || MWINCHIP2 || MWINCHIPC6) && MTRR
+#
+# P6_NOPs are a relatively minor optimization that require a family >=
+# 6 processor, except that it is broken on certain VIA chips.
+# Furthermore, AMD chips prefer a totally different sequence of NOPs
+# (which work on all CPUs).  As a result, disallow these if we're
+# compiling X86_GENERIC but not X86_64 (these NOPs do work on all
+# x86-64 capable chips); the list of processors in the right-hand clause
+# are the cores that benefit from this optimization.
+#
+config X86_P6_NOP
+        def_bool y
+        depends on (X86_64 || !X86_GENERIC) && (M686 || MPENTIUMII || MPENTIUMIII || MPENTIUMM || MCORE2 || PENTIUM4)
 config X86_TSC
        def_bool y
        depends on ((MWINCHIP3D || MWINCHIP2 || MCRUSOE || MEFFICEON || MCYRIXIII || MK7 || MK6 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || M586MMX || M586TSC || MK8 || MVIAC3_2 || MVIAC7 || MGEODEGX1 || MGEODE_LX || MCORE2) && !X86_NUMAQ) || X86_64
@@ -390,6 +403,7 @@ config X86_CMOV
 config X86_MINIMUM_CPU_FAMILY
        int
        default "64" if X86_64
+        default "6" if X86_32 && X86_P6_NOP
        default "4" if X86_32 && (X86_XADD || X86_CMPXCHG || X86_BSWAP || X86_WP_WORKS_OK)
        default "3"
diff --git a/arch/x86/boot/memory.c b/arch/x86/boot/memory.c
index 378353956b5d..e77d89f9e8aa 100644
--- a/arch/x86/boot/memory.c
+++ b/arch/x86/boot/memory.c
@@ -37,6 +37,12 @@ static int detect_memory_e820(void)
                      "=m" (*desc)
                    : "D" (desc), "d" (SMAP), "a" (0xe820));
+                /* BIOSes which terminate the chain with CF = 1 as opposed
+                   to %ebx = 0 don't always report the SMAP signature on
+                   the final, failing, probe. */
+                if (err)
+                        break;
                /* Some BIOSes stop returning SMAP in the middle of
                   the search loop.  We don't know exactly how the BIOS
                   screwed up the map at that point, we might have a
@@ -47,9 +53,6 @@ static int detect_memory_e820(void)
                        break;
                }
-                if (err)
-                        break;
                count++;
                desc++;
        } while (next && count < E820MAX);
diff --git a/arch/x86/kernel/asm-offsets_32.c b/arch/x86/kernel/asm-offsets_32.c
index a33d53017997..8ea040124f7d 100644
--- a/arch/x86/kernel/asm-offsets_32.c
+++ b/arch/x86/kernel/asm-offsets_32.c
@@ -128,13 +128,11 @@ void foo(void)
        OFFSET(XEN_vcpu_info_pending, vcpu_info, evtchn_upcall_pending);
 #endif
-#ifdef CONFIG_LGUEST_GUEST
+#if defined(CONFIG_LGUEST) || defined(CONFIG_LGUEST_GUEST) || defined(CONFIG_LGUEST_MODULE)
        BLANK();
        OFFSET(LGUEST_DATA_irq_enabled, lguest_data, irq_enabled);
        OFFSET(LGUEST_DATA_pgdir, lguest_data, pgdir);
-#endif
-#ifdef CONFIG_LGUEST
        BLANK();
        OFFSET(LGUEST_PAGES_host_gdt_desc, lguest_pages, state.host_gdt_desc);
        OFFSET(LGUEST_PAGES_host_idt_desc, lguest_pages, state.host_idt_desc);
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index f86a3c4a2669..a38aafaefc23 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -504,7 +504,7 @@ void __cpuinit identify_cpu(struct cpuinfo_x86 *c)
        /* Clear all flags overriden by options */
        for (i = 0; i < NCAPINTS; i++)
-                c->x86_capability[i] ^= cleared_cpu_caps[i];
+                c->x86_capability[i] &= ~cleared_cpu_caps[i];
        /* Init Machine Check Exception if available. */
        mcheck_init(c);
diff --git a/arch/x86/kernel/cpu/mtrr/main.c b/arch/x86/kernel/cpu/mtrr/main.c
index b6e136f23d3d..be83336fddba 100644
--- a/arch/x86/kernel/cpu/mtrr/main.c
+++ b/arch/x86/kernel/cpu/mtrr/main.c
@@ -43,6 +43,7 @@
 #include <asm/uaccess.h>
 #include <asm/processor.h>
 #include <asm/msr.h>
+#include <asm/kvm_para.h>
 #include "mtrr.h"
 u32 num_var_ranges = 0;
@@ -649,6 +650,7 @@ static __init int amd_special_default_mtrr(void)
 /**
 * mtrr_trim_uncached_memory - trim RAM not covered by MTRRs
+ * @end_pfn: ending page frame number
 *
 * Some buggy BIOSes don't setup the MTRRs properly for systems with certain
 * memory configurations.  This routine checks that the highest MTRR matches
@@ -688,8 +690,11 @@ int __init mtrr_trim_uncached_memory(unsigned long end_pfn)
        /* kvm/qemu doesn't have mtrr set right, don't trim them all */
        if (!highest_pfn) {
-                printk(KERN_WARNING "WARNING: strange, CPU MTRRs all blank?\n");
+                if (!kvm_para_available()) {
-                WARN_ON(1);
+                        printk(KERN_WARNING
+                                "WARNING: strange, CPU MTRRs all blank?\n");
+                        WARN_ON(1);
+                }
                return 0;
        }
diff --git a/arch/x86/kernel/cpu/transmeta.c b/arch/x86/kernel/cpu/transmeta.c
index 200fb3f9ebfb..e8b422c1c512 100644
--- a/arch/x86/kernel/cpu/transmeta.c
+++ b/arch/x86/kernel/cpu/transmeta.c
@@ -76,13 +76,6 @@ static void __cpuinit init_transmeta(struct cpuinfo_x86 *c)
        /* All Transmeta CPUs have a constant TSC */
        set_bit(X86_FEATURE_CONSTANT_TSC, c->x86_capability);
        
-        /* If we can run i686 user-space code, call us an i686 */
-#define USER686 ((1 << X86_FEATURE_TSC)|\
-                 (1 << X86_FEATURE_CX8)|\
-                 (1 << X86_FEATURE_CMOV))
-        if (c->x86 == 5 && (c->x86_capability[0] & USER686) == USER686)
-                c->x86 = 6;
 #ifdef CONFIG_SYSCTL
        /* randomize_va_space slows us down enormously;
           it probably triggers retranslation of x86->native bytecode */
diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S
index 2ad9a1bc6a73..c20c9e7e08dd 100644
--- a/arch/x86/kernel/entry_64.S
+++ b/arch/x86/kernel/entry_64.S
@@ -453,6 +453,7 @@ ENTRY(stub_execve)
        CFI_REGISTER rip, r11
        SAVE_REST
        FIXUP_TOP_OF_STACK %r11
+        movq %rsp, %rcx
        call sys_execve
        RESTORE_TOP_OF_STACK %r11
        movq %rax,RAX(%rsp)
@@ -1036,15 +1037,16 @@ ENDPROC(child_rip)
 *      rdi: name, rsi: argv, rdx: envp
 *
 * We want to fallback into:
- *      extern long sys_execve(char *name, char **argv,char **envp, struct pt_regs regs)
+ *      extern long sys_execve(char *name, char **argv,char **envp, struct pt_regs *regs)
 *
 * do_sys_execve asm fallback arguments:
- *      rdi: name, rsi: argv, rdx: envp, fake frame on the stack
+ *      rdi: name, rsi: argv, rdx: envp, rcx: fake frame on the stack
 */
 ENTRY(kernel_execve)
        CFI_STARTPROC
        FAKE_STACK_FRAME $0
        SAVE_ALL        
+        movq %rsp,%rcx
        call sys_execve
        movq %rax, RAX(%rsp)    
        RESTORE_REST
diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S
index 25eb98540a41..fd8ca53943a8 100644
--- a/arch/x86/kernel/head_32.S
+++ b/arch/x86/kernel/head_32.S
@@ -606,7 +606,7 @@ ENTRY(_stext)
 .section ".bss.page_aligned","wa"
        .align PAGE_SIZE_asm
 #ifdef CONFIG_X86_PAE
-ENTRY(swapper_pg_pmd)
+swapper_pg_pmd:
        .fill 1024*KPMDS,4,0
 #else
 ENTRY(swapper_pg_dir)
diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S
index eb415043a929..a007454133a3 100644
--- a/arch/x86/kernel/head_64.S
+++ b/arch/x86/kernel/head_64.S
@@ -379,18 +379,24 @@ NEXT_PAGE(level2_ident_pgt)
        /* Since I easily can, map the first 1G.
         * Don't set NX because code runs from these pages.
         */
-        PMDS(0x0000000000000000, __PAGE_KERNEL_LARGE_EXEC, PTRS_PER_PMD)
+        PMDS(0, __PAGE_KERNEL_LARGE_EXEC, PTRS_PER_PMD)
 NEXT_PAGE(level2_kernel_pgt)
-        /* 40MB kernel mapping. The kernel code cannot be bigger than that.
+        /*
-           When you change this change KERNEL_TEXT_SIZE in page.h too. */
+         * 128 MB kernel mapping. We spend a full page on this pagetable
-        /* (2^48-(2*1024*1024*1024)-((2^39)*511)-((2^30)*510)) = 0 */
+         * anyway.
-        PMDS(0x0000000000000000, __PAGE_KERNEL_LARGE_EXEC|_PAGE_GLOBAL, KERNEL_TEXT_SIZE/PMD_SIZE)
+         *
-        /* Module mapping starts here */
+         * The kernel code+data+bss must not be bigger than that.
-        .fill   (PTRS_PER_PMD - (KERNEL_TEXT_SIZE/PMD_SIZE)),8,0
+         *
+         * (NOTE: at +128MB starts the module area, see MODULES_VADDR.
+         *  If you want to increase this then increase MODULES_VADDR
+         *  too.)
+         */
+        PMDS(0, __PAGE_KERNEL_LARGE_EXEC|_PAGE_GLOBAL,
+                KERNEL_IMAGE_SIZE/PMD_SIZE)
 NEXT_PAGE(level2_spare_pgt)
-        .fill   512,8,0
+        .fill   512, 8, 0
 #undef PMDS
 #undef NEXT_PAGE
diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c
index 429d084e014d..235fd6c77504 100644
--- a/arch/x86/kernel/hpet.c
+++ b/arch/x86/kernel/hpet.c
@@ -368,8 +368,8 @@ static int hpet_clocksource_register(void)
        return 0;
 }
-/*
+/**
- * Try to setup the HPET timer
+ * hpet_enable - Try to setup the HPET timer. Returns 1 on success.
 */
 int __init hpet_enable(void)
 {
diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c
index b0cc8f0136d8..43f287744f9f 100644
--- a/arch/x86/kernel/process_64.c
+++ b/arch/x86/kernel/process_64.c
@@ -730,16 +730,16 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
 */
 asmlinkage
 long sys_execve(char __user *name, char __user * __user *argv,
-                char __user * __user *envp, struct pt_regs regs)
+                char __user * __user *envp, struct pt_regs *regs)
 {
        long error;
        char * filename;
        filename = getname(name);
        error = PTR_ERR(filename);
-        if (IS_ERR(filename)) 
+        if (IS_ERR(filename))
                return error;
-        error = do_execve(filename, argv, envp, &regs); 
+        error = do_execve(filename, argv, envp, regs);
        putname(filename);
        return error;
 }
diff --git a/arch/x86/kernel/setup_64.c b/arch/x86/kernel/setup_64.c
index 6fd804f07821..7637dc91c79b 100644
--- a/arch/x86/kernel/setup_64.c
+++ b/arch/x86/kernel/setup_64.c
@@ -1021,7 +1021,7 @@ void __cpuinit identify_cpu(struct cpuinfo_x86 *c)
        /* Clear all flags overriden by options */
        for (i = 0; i < NCAPINTS; i++)
-                c->x86_capability[i] ^= cleared_cpu_caps[i];
+                c->x86_capability[i] &= ~cleared_cpu_caps[i];
 #ifdef CONFIG_X86_MCE
        mcheck_init(c);
diff --git a/arch/x86/kernel/smpboot_64.c b/arch/x86/kernel/smpboot_64.c
index d53bd6fcb428..0880f2c388a9 100644
--- a/arch/x86/kernel/smpboot_64.c
+++ b/arch/x86/kernel/smpboot_64.c
@@ -554,10 +554,10 @@ static int __cpuinit do_boot_cpu(int cpu, int apicid)
        int timeout;
        unsigned long start_rip;
        struct create_idle c_idle = {
-                .work = __WORK_INITIALIZER(c_idle.work, do_fork_idle),
                .cpu = cpu,
                .done = COMPLETION_INITIALIZER_ONSTACK(c_idle.done),
        };
+        INIT_WORK(&c_idle.work, do_fork_idle);
        /* allocate memory for gdts of secondary cpus. Hotplug is considered */
        if (!cpu_gdt_descr[cpu].address &&
diff --git a/arch/x86/kernel/stacktrace.c b/arch/x86/kernel/stacktrace.c
index 02f0f61f5b11..c28c342c162f 100644
--- a/arch/x86/kernel/stacktrace.c
+++ b/arch/x86/kernel/stacktrace.c
@@ -25,6 +25,8 @@ static int save_stack_stack(void *data, char *name)
 static void save_stack_address(void *data, unsigned long addr, int reliable)
 {
        struct stack_trace *trace = data;
+        if (!reliable)
+                return;
        if (trace->skip > 0) {
                trace->skip--;
                return;
@@ -37,6 +39,8 @@ static void
 save_stack_address_nosched(void *data, unsigned long addr, int reliable)
 {
        struct stack_trace *trace = (struct stack_trace *)data;
+        if (!reliable)
+                return;
        if (in_sched_functions(addr))
                return;
        if (trace->skip > 0) {
diff --git a/arch/x86/kernel/tsc_32.c b/arch/x86/kernel/tsc_32.c
index 43517e324be8..f14cfd9d1f94 100644
--- a/arch/x86/kernel/tsc_32.c
+++ b/arch/x86/kernel/tsc_32.c
@@ -28,7 +28,8 @@ EXPORT_SYMBOL_GPL(tsc_khz);
 static int __init tsc_setup(char *str)
 {
        printk(KERN_WARNING "notsc: Kernel compiled with CONFIG_X86_TSC, "
-                                "cannot disable TSC.\n");
+                                "cannot disable TSC completely.\n");
+        mark_tsc_unstable("user disabled TSC");
        return 1;
 }
 #else
diff --git a/arch/x86/kernel/vsyscall_64.c b/arch/x86/kernel/vsyscall_64.c
index 3f8242774580..b6be812fac05 100644
--- a/arch/x86/kernel/vsyscall_64.c
+++ b/arch/x86/kernel/vsyscall_64.c
@@ -44,11 +44,6 @@
 #define __vsyscall(nr) __attribute__ ((unused,__section__(".vsyscall_" #nr)))
 #define __syscall_clobber "r11","cx","memory"
-#define __pa_vsymbol(x)                 \
-        ({unsigned long v;              \
-        extern char __vsyscall_0;       \
-          asm("" : "=r" (v) : "0" (x)); \
-          ((v - VSYSCALL_START) + __pa_symbol(&__vsyscall_0)); })
 /*
 * vsyscall_gtod_data contains data that is :
@@ -102,7 +97,7 @@ static __always_inline void do_get_tz(struct timezone * tz)
 static __always_inline int gettimeofday(struct timeval *tv, struct timezone *tz)
 {
        int ret;
-        asm volatile("vsysc2: syscall"
+        asm volatile("syscall"
                : "=a" (ret)
                : "0" (__NR_gettimeofday),"D" (tv),"S" (tz)
                : __syscall_clobber );
@@ -112,7 +107,7 @@ static __always_inline int gettimeofday(struct timeval *tv, struct timezone *tz)
 static __always_inline long time_syscall(long *t)
 {
        long secs;
-        asm volatile("vsysc1: syscall"
+        asm volatile("syscall"
                : "=a" (secs)
                : "0" (__NR_time),"D" (t) : __syscall_clobber);
        return secs;
@@ -227,50 +222,10 @@ long __vsyscall(3) venosys_1(void)
 }
 #ifdef CONFIG_SYSCTL
-#define SYSCALL 0x050f
-#define NOP2    0x9090
-/*
- * NOP out syscall in vsyscall page when not needed.
- */
-static int vsyscall_sysctl_change(ctl_table *ctl, int write, struct file * filp,
-                        void __user *buffer, size_t *lenp, loff_t *ppos)
-{
-        extern u16 vsysc1, vsysc2;
-        u16 __iomem *map1;
-        u16 __iomem *map2;
-        int ret = proc_dointvec(ctl, write, filp, buffer, lenp, ppos);
-        if (!write)
-                return ret;
-        /* gcc has some trouble with __va(__pa()), so just do it this
-           way. */
-        map1 = ioremap(__pa_vsymbol(&vsysc1), 2);
-        if (!map1)
-                return -ENOMEM;
-        map2 = ioremap(__pa_vsymbol(&vsysc2), 2);
-        if (!map2) {
-                ret = -ENOMEM;
-                goto out;
-        }
-        if (!vsyscall_gtod_data.sysctl_enabled) {
-                writew(SYSCALL, map1);
-                writew(SYSCALL, map2);
-        } else {
-                writew(NOP2, map1);
-                writew(NOP2, map2);
-        }
-        iounmap(map2);
-out:
-        iounmap(map1);
-        return ret;
-}
 static ctl_table kernel_table2[] = {
        { .procname = "vsyscall64",
          .data = &vsyscall_gtod_data.sysctl_enabled, .maxlen = sizeof(int),
-          .mode = 0644,
+          .mode = 0644 },
-          .proc_handler = vsyscall_sysctl_change },
        {}
 };
@@ -279,7 +234,6 @@ static ctl_table kernel_root_table2[] = {
          .child = kernel_table2 },
        {}
 };
 #endif
 /* Assume __initcall executes before all user space. Hopefully kmod
diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c
index 5afdde4895dc..cccb38a59653 100644
--- a/arch/x86/lguest/boot.c
+++ b/arch/x86/lguest/boot.c
@@ -57,6 +57,7 @@
 #include <linux/lguest_launcher.h>
 #include <linux/virtio_console.h>
 #include <linux/pm.h>
+#include <asm/lguest.h>
 #include <asm/paravirt.h>
 #include <asm/param.h>
 #include <asm/page.h>
@@ -75,15 +76,6 @@
 * behaving in simplified but equivalent ways.  In particular, the Guest is the
 * same kernel as the Host (or at least, built from the same source code). :*/
-/* Declarations for definitions in lguest_guest.S */
-extern char lguest_noirq_start[], lguest_noirq_end[];
-extern const char lgstart_cli[], lgend_cli[];
-extern const char lgstart_sti[], lgend_sti[];
-extern const char lgstart_popf[], lgend_popf[];
-extern const char lgstart_pushf[], lgend_pushf[];
-extern const char lgstart_iret[], lgend_iret[];
-extern void lguest_iret(void);
 struct lguest_data lguest_data = {
        .hcall_status = { [0 ... LHCALL_RING_SIZE-1] = 0xFF },
        .noirq_start = (u32)lguest_noirq_start,
@@ -489,7 +481,7 @@ static void lguest_set_pmd(pmd_t *pmdp, pmd_t pmdval)
 {
        *pmdp = pmdval;
        lazy_hcall(LHCALL_SET_PMD, __pa(pmdp)&PAGE_MASK,
-                   (__pa(pmdp)&(PAGE_SIZE-1))/4, 0);
+                   (__pa(pmdp)&(PAGE_SIZE-1)), 0);
 }
 /* There are a couple of legacy places where the kernel sets a PTE, but we
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index bb652f5a93fb..a02a14f0f324 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -172,8 +172,9 @@ set_pte_phys(unsigned long vaddr, unsigned long phys, pgprot_t prot)
 }
 /*
- * The head.S code sets up the kernel high mapping from:
+ * The head.S code sets up the kernel high mapping:
- * __START_KERNEL_map to __START_KERNEL_map + KERNEL_TEXT_SIZE
+ *
+ *   from __START_KERNEL_map to __START_KERNEL_map + size (== _end-_text)
 *
 * phys_addr holds the negative offset to the kernel, which is added
 * to the compile time generated pmds. This results in invalid pmds up
@@ -515,14 +516,6 @@ void __init mem_init(void)
        /* clear_bss() already clear the empty_zero_page */
-        /* temporary debugging - double check it's true: */
-        {
-                int i;
-                for (i = 0; i < 1024; i++)
-                        WARN_ON_ONCE(empty_zero_page[i]);
-        }
        reservedpages = 0;
        /* this will put all low memory onto the freelists */
diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c
index 464d8fc21ce6..14e48b5a94ba 100644
--- a/arch/x86/mm/pageattr.c
+++ b/arch/x86/mm/pageattr.c
@@ -44,6 +44,12 @@ static inline unsigned long highmap_end_pfn(void)
 #endif
+#ifdef CONFIG_DEBUG_PAGEALLOC
+# define debug_pagealloc 1
+#else
+# define debug_pagealloc 0
+#endif
 static inline int
 within(unsigned long addr, unsigned long start, unsigned long end)
 {
@@ -355,45 +361,48 @@ out_unlock:
 static LIST_HEAD(page_pool);
 static unsigned long pool_size, pool_pages, pool_low;
-static unsigned long pool_used, pool_failed, pool_refill;
+static unsigned long pool_used, pool_failed;
-static void cpa_fill_pool(void)
+static void cpa_fill_pool(struct page **ret)
 {
-        struct page *p;
        gfp_t gfp = GFP_KERNEL;
+        unsigned long flags;
+        struct page *p;
-        /* Do not allocate from interrupt context */
-        if (in_irq() || irqs_disabled())
-                return;
        /*
-         * Check unlocked. I does not matter when we have one more
+         * Avoid recursion (on debug-pagealloc) and also signal
-         * page in the pool. The bit lock avoids recursive pool
+         * our priority to get to these pagetables:
-         * allocations:
         */
-        if (pool_pages >= pool_size || test_and_set_bit_lock(0, &pool_refill))
+        if (current->flags & PF_MEMALLOC)
                return;
+        current->flags |= PF_MEMALLOC;
-#ifdef CONFIG_DEBUG_PAGEALLOC
        /*
-         * We could do:
+         * Allocate atomically from atomic contexts:
-         * gfp = in_atomic() ? GFP_ATOMIC : GFP_KERNEL;
-         * but this fails on !PREEMPT kernels
         */
-        gfp =  GFP_ATOMIC | __GFP_NORETRY | __GFP_NOWARN;
+        if (in_atomic() || irqs_disabled() || debug_pagealloc)
-#endif
+                gfp =  GFP_ATOMIC | __GFP_NORETRY | __GFP_NOWARN;
-        while (pool_pages < pool_size) {
+        while (pool_pages < pool_size || (ret && !*ret)) {
                p = alloc_pages(gfp, 0);
                if (!p) {
                        pool_failed++;
                        break;
                }
-                spin_lock_irq(&pgd_lock);
+                /*
+                 * If the call site needs a page right now, provide it:
+                 */
+                if (ret && !*ret) {
+                        *ret = p;
+                        continue;
+                }
+                spin_lock_irqsave(&pgd_lock, flags);
                list_add(&p->lru, &page_pool);
                pool_pages++;
-                spin_unlock_irq(&pgd_lock);
+                spin_unlock_irqrestore(&pgd_lock, flags);
        }
-        clear_bit_unlock(0, &pool_refill);
+        current->flags &= ~PF_MEMALLOC;
 }
 #define SHIFT_MB                (20 - PAGE_SHIFT)
@@ -414,11 +423,15 @@ void __init cpa_init(void)
         * GiB. Shift MiB to Gib and multiply the result by
         * POOL_PAGES_PER_GB:
         */
-        gb = ((si.totalram >> SHIFT_MB) + ROUND_MB_GB) >> SHIFT_MB_GB;
+        if (debug_pagealloc) {
-        pool_size = POOL_PAGES_PER_GB * gb;
+                gb = ((si.totalram >> SHIFT_MB) + ROUND_MB_GB) >> SHIFT_MB_GB;
+                pool_size = POOL_PAGES_PER_GB * gb;
+        } else {
+                pool_size = 1;
+        }
        pool_low = pool_size;
-        cpa_fill_pool();
+        cpa_fill_pool(NULL);
        printk(KERN_DEBUG
               "CPA: page pool initialized %lu of %lu pages preallocated\n",
               pool_pages, pool_size);
@@ -440,16 +453,20 @@ static int split_large_page(pte_t *kpte, unsigned long address)
        spin_lock_irqsave(&pgd_lock, flags);
        if (list_empty(&page_pool)) {
                spin_unlock_irqrestore(&pgd_lock, flags);
-                return -ENOMEM;
+                base = NULL;
+                cpa_fill_pool(&base);
+                if (!base)
+                        return -ENOMEM;
+                spin_lock_irqsave(&pgd_lock, flags);
+        } else {
+                base = list_first_entry(&page_pool, struct page, lru);
+                list_del(&base->lru);
+                pool_pages--;
+                if (pool_pages < pool_low)
+                        pool_low = pool_pages;
        }
-        base = list_first_entry(&page_pool, struct page, lru);
-        list_del(&base->lru);
-        pool_pages--;
-        if (pool_pages < pool_low)
-                pool_low = pool_pages;
        /*
         * Check for races, another CPU might have split this page
         * up for us already:
@@ -734,7 +751,8 @@ static int change_page_attr_set_clr(unsigned long addr, int numpages,
                cpa_flush_all(cache);
 out:
-        cpa_fill_pool();
+        cpa_fill_pool(NULL);
        return ret;
 }
@@ -897,7 +915,7 @@ void kernel_map_pages(struct page *page, int numpages, int enable)
         * Try to refill the page pool here. We can do this only after
         * the tlb flush.
         */
-        cpa_fill_pool();
+        cpa_fill_pool(NULL);
 }
 #ifdef CONFIG_HIBERNATION
diff --git a/arch/x86/vdso/Makefile b/arch/x86/vdso/Makefile
index f385a4b4a484..b8bd0c4aa02e 100644
--- a/arch/x86/vdso/Makefile
+++ b/arch/x86/vdso/Makefile
@@ -48,7 +48,7 @@ obj-$(VDSO64-y)			+= vdso-syms.lds
 # Match symbols in the DSO that look like VDSO*; produce a file of constants.
 #
 sed-vdsosym := -e 's/^00*/0/' \
-        -e 's/^\([0-9a-fA-F]*\) . \(VDSO[a-zA-Z0-9_]*\)$$/\2 = 0x\1;/p'
+        -e 's/^\([[:xdigit:]]*\) . \(VDSO[[:alnum:]_]*\)$$/\2 = 0x\1;/p'
 quiet_cmd_vdsosym = VDSOSYM $@
      cmd_vdsosym = $(NM) $< | sed -n $(sed-vdsosym) | LC_ALL=C sort > $@