Merge commit 'origin/master' into for-linus/xen/master

* commit 'origin/master': (4825 commits)
  Fix build errors due to CONFIG_BRANCH_TRACER=y
  parport: Use the PCI IRQ if offered
  tty: jsm cleanups
  Adjust path to gpio headers
  KGDB_SERIAL_CONSOLE check for module
  Change KCONFIG name
  tty: Blackin CTS/RTS
  Change hardware flow control from poll to interrupt driven
  Add support for the MAX3100 SPI UART.
  lanana: assign a device name and numbering for MAX3100
  serqt: initial clean up pass for tty side
  tty: Use the generic RS485 ioctl on CRIS
  tty: Correct inline types for tty_driver_kref_get()
  splice: fix deadlock in splicing to file
  nilfs2: support nanosecond timestamp
  nilfs2: introduce secondary super block
  nilfs2: simplify handling of active state of segments
  nilfs2: mark minor flag for checkpoint created by internal operation
  nilfs2: clean up sketch file
  nilfs2: super block operations fix endian bug
  ...

Conflicts:
	arch/x86/include/asm/thread_info.h
	arch/x86/lguest/boot.c
	drivers/xen/manage.c

1 files changed, 105 insertions, 61 deletions

diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c
index 923f87aff20a..cd1b687544f3 100644
--- a/arch/powerpc/kernel/cputable.c
+++ b/arch/powerpc/kernel/cputable.c
@@ -35,6 +35,10 @@ const char *powerpc_base_platform;
  * and ppc64
  */
 #ifdef CONFIG_PPC32
+extern void __setup_cpu_e200(unsigned long offset, struct cpu_spec* spec);
+extern void __setup_cpu_e500v1(unsigned long offset, struct cpu_spec* spec);
+extern void __setup_cpu_e500v2(unsigned long offset, struct cpu_spec* spec);
+extern void __setup_cpu_e500mc(unsigned long offset, struct cpu_spec* spec);
 extern void __setup_cpu_440ep(unsigned long offset, struct cpu_spec* spec);
 extern void __setup_cpu_440epx(unsigned long offset, struct cpu_spec* spec);
 extern void __setup_cpu_440gx(unsigned long offset, struct cpu_spec* spec);
@@ -43,6 +47,7 @@ extern void __setup_cpu_440spe(unsigned long offset, struct cpu_spec* spec);
 extern void __setup_cpu_440x5(unsigned long offset, struct cpu_spec* spec);
 extern void __setup_cpu_460ex(unsigned long offset, struct cpu_spec* spec);
 extern void __setup_cpu_460gt(unsigned long offset, struct cpu_spec* spec);
+extern void __setup_cpu_460sx(unsigned long offset, struct cpu_spec *spec);
 extern void __setup_cpu_603(unsigned long offset, struct cpu_spec* spec);
 extern void __setup_cpu_604(unsigned long offset, struct cpu_spec* spec);
 extern void __setup_cpu_750(unsigned long offset, struct cpu_spec* spec);
@@ -726,6 +731,8 @@ static struct cpu_spec __initdata cpu_specs[] = {
                 .cpu_setup              = __setup_cpu_750,
                 .machine_check          = machine_check_generic,
                 .platform               = "ppc750",
+                .oprofile_cpu_type      = "ppc/750",
+                .oprofile_type          = PPC_OPROFILE_G4,
         },
         {       /* 750FX rev 2.0 must disable HID0[DPM] */
                 .pvr_mask               = 0xffffffff,
@@ -741,6 +748,8 @@ static struct cpu_spec __initdata cpu_specs[] = {
                 .cpu_setup              = __setup_cpu_750,
                 .machine_check          = machine_check_generic,
                 .platform               = "ppc750",
+                .oprofile_cpu_type      = "ppc/750",
+                .oprofile_type          = PPC_OPROFILE_G4,
         },
         {       /* 750FX (All revs except 2.0) */
                 .pvr_mask               = 0xffff0000,
@@ -756,6 +765,8 @@ static struct cpu_spec __initdata cpu_specs[] = {
                 .cpu_setup              = __setup_cpu_750fx,
                 .machine_check          = machine_check_generic,
                 .platform               = "ppc750",
+                .oprofile_cpu_type      = "ppc/750",
+                .oprofile_type          = PPC_OPROFILE_G4,
         },
         {       /* 750GX */
                 .pvr_mask               = 0xffff0000,
@@ -771,6 +782,8 @@ static struct cpu_spec __initdata cpu_specs[] = {
                 .cpu_setup              = __setup_cpu_750fx,
                 .machine_check          = machine_check_generic,
                 .platform               = "ppc750",
+                .oprofile_cpu_type      = "ppc/750",
+                .oprofile_type          = PPC_OPROFILE_G4,
         },
         {       /* 740/750 (L2CR bit need fixup for 740) */
                 .pvr_mask               = 0xffff0000,
@@ -1077,7 +1090,8 @@ static struct cpu_spec __initdata cpu_specs[] = {
                 .cpu_name               = "e300c2",
                 .cpu_features           = CPU_FTRS_E300C2,
                 .cpu_user_features      = PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU,
-                .mmu_features           = MMU_FTR_USE_HIGH_BATS,
+                .mmu_features           = MMU_FTR_USE_HIGH_BATS |
+                        MMU_FTR_NEED_DTLB_SW_LRU,
                 .icache_bsize           = 32,
                 .dcache_bsize           = 32,
                 .cpu_setup              = __setup_cpu_603,
@@ -1090,7 +1104,8 @@ static struct cpu_spec __initdata cpu_specs[] = {
                 .cpu_name               = "e300c3",
                 .cpu_features           = CPU_FTRS_E300,
                 .cpu_user_features      = COMMON_USER,
-                .mmu_features           = MMU_FTR_USE_HIGH_BATS,
+                .mmu_features           = MMU_FTR_USE_HIGH_BATS |
+                        MMU_FTR_NEED_DTLB_SW_LRU,
                 .icache_bsize           = 32,
                 .dcache_bsize           = 32,
                 .cpu_setup              = __setup_cpu_603,
@@ -1105,7 +1120,8 @@ static struct cpu_spec __initdata cpu_specs[] = {
                 .cpu_name               = "e300c4",
                 .cpu_features           = CPU_FTRS_E300,
                 .cpu_user_features      = COMMON_USER,
-                .mmu_features           = MMU_FTR_USE_HIGH_BATS,
+                .mmu_features           = MMU_FTR_USE_HIGH_BATS |
+                        MMU_FTR_NEED_DTLB_SW_LRU,
                 .icache_bsize           = 32,
                 .dcache_bsize           = 32,
                 .cpu_setup              = __setup_cpu_603,
@@ -1634,6 +1650,19 @@ static struct cpu_spec __initdata cpu_specs[] = {
                 .machine_check          = machine_check_440A,
                 .platform               = "ppc440",
         },
+        { /* 460SX */
+                .pvr_mask               = 0xffffff00,
+                .pvr_value              = 0x13541800,
+                .cpu_name               = "460SX",
+                .cpu_features           = CPU_FTRS_44X,
+                .cpu_user_features      = COMMON_USER_BOOKE,
+                .mmu_features           = MMU_FTR_TYPE_44x,
+                .icache_bsize           = 32,
+                .dcache_bsize           = 32,
+                .cpu_setup              = __setup_cpu_460sx,
+                .machine_check          = machine_check_440A,
+                .platform               = "ppc440",
+        },
         {       /* default match */
                 .pvr_mask               = 0x00000000,
                 .pvr_value              = 0x00000000,
@@ -1687,6 +1716,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                         PPC_FEATURE_UNIFIED_CACHE,
                 .mmu_features           = MMU_FTR_TYPE_FSL_E,
                 .dcache_bsize           = 32,
+                .cpu_setup              = __setup_cpu_e200,
                 .machine_check          = machine_check_e200,
                 .platform               = "ppc5554",
         }
@@ -1706,6 +1736,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                 .num_pmcs               = 4,
                 .oprofile_cpu_type      = "ppc/e500",
                 .oprofile_type          = PPC_OPROFILE_FSL_EMB,
+                .cpu_setup              = __setup_cpu_e500v1,
                 .machine_check          = machine_check_e500,
                 .platform               = "ppc8540",
         },
@@ -1724,6 +1755,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                 .num_pmcs               = 4,
                 .oprofile_cpu_type      = "ppc/e500",
                 .oprofile_type          = PPC_OPROFILE_FSL_EMB,
+                .cpu_setup              = __setup_cpu_e500v2,
                 .machine_check          = machine_check_e500,
                 .platform               = "ppc8548",
         },
@@ -1733,12 +1765,14 @@ static struct cpu_spec __initdata cpu_specs[] = {
                 .cpu_name               = "e500mc",
                 .cpu_features           = CPU_FTRS_E500MC,
                 .cpu_user_features      = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU,
-                .mmu_features           = MMU_FTR_TYPE_FSL_E | MMU_FTR_BIG_PHYS,
+                .mmu_features           = MMU_FTR_TYPE_FSL_E | MMU_FTR_BIG_PHYS |
+                        MMU_FTR_USE_TLBILX,
                 .icache_bsize           = 64,
                 .dcache_bsize           = 64,
                 .num_pmcs               = 4,
                 .oprofile_cpu_type      = "ppc/e500", /* xxx - galak, e500mc? */
                 .oprofile_type          = PPC_OPROFILE_FSL_EMB,
+                .cpu_setup              = __setup_cpu_e500mc,
                 .machine_check          = machine_check_e500,
                 .platform               = "ppce500mc",
         },
@@ -1762,74 +1796,84 @@ static struct cpu_spec __initdata cpu_specs[] = {
 
 static struct cpu_spec the_cpu_spec;
 
-struct cpu_spec * __init identify_cpu(unsigned long offset, unsigned int pvr)
+static void __init setup_cpu_spec(unsigned long offset, struct cpu_spec *s)
 {
-        struct cpu_spec *s = cpu_specs;
         struct cpu_spec *t = &the_cpu_spec;
-        int i;
+        struct cpu_spec old;
 
-        s = PTRRELOC(s);
         t = PTRRELOC(t);
+        old = *t;
 
-        for (i = 0; i < ARRAY_SIZE(cpu_specs); i++,s++)
-                if ((pvr & s->pvr_mask) == s->pvr_value) {
-                        /*
-                         * If we are overriding a previous value derived
-                         * from the real PVR with a new value obtained
-                         * using a logical PVR value, don't modify the
-                         * performance monitor fields.
-                         */
-                        if (t->num_pmcs && !s->num_pmcs) {
-                                t->cpu_name = s->cpu_name;
-                                t->cpu_features = s->cpu_features;
-                                t->cpu_user_features = s->cpu_user_features;
-                                t->icache_bsize = s->icache_bsize;
-                                t->dcache_bsize = s->dcache_bsize;
-                                t->cpu_setup = s->cpu_setup;
-                                t->cpu_restore = s->cpu_restore;
-                                t->platform = s->platform;
-                                /*
-                                 * If we have passed through this logic once
-                                 * before and have pulled the default case
-                                 * because the real PVR was not found inside
-                                 * cpu_specs[], then we are possibly running in
-                                 * compatibility mode. In that case, let the
-                                 * oprofiler know which set of compatibility
-                                 * counters to pull from by making sure the
-                                 * oprofile_cpu_type string is set to that of
-                                 * compatibility mode. If the oprofile_cpu_type
-                                 * already has a value, then we are possibly
-                                 * overriding a real PVR with a logical one, and,
-                                 * in that case, keep the current value for
-                                 * oprofile_cpu_type.
-                                 */
-                                if (t->oprofile_cpu_type == NULL)
-                                        t->oprofile_cpu_type = s->oprofile_cpu_type;
-                        } else
-                                *t = *s;
-                        *PTRRELOC(&cur_cpu_spec) = &the_cpu_spec;
+        /* Copy everything, then do fixups */
+        *t = *s;
+
+        /*
+         * If we are overriding a previous value derived from the real
+         * PVR with a new value obtained using a logical PVR value,
+         * don't modify the performance monitor fields.
+         */
+        if (old.num_pmcs && !s->num_pmcs) {
+                t->num_pmcs = old.num_pmcs;
+                t->pmc_type = old.pmc_type;
+                t->oprofile_type = old.oprofile_type;
+                t->oprofile_mmcra_sihv = old.oprofile_mmcra_sihv;
+                t->oprofile_mmcra_sipr = old.oprofile_mmcra_sipr;
+                t->oprofile_mmcra_clear = old.oprofile_mmcra_clear;
+
+                /*
+                 * If we have passed through this logic once before and
+                 * have pulled the default case because the real PVR was
+                 * not found inside cpu_specs[], then we are possibly
+                 * running in compatibility mode. In that case, let the
+                 * oprofiler know which set of compatibility counters to
+                 * pull from by making sure the oprofile_cpu_type string
+                 * is set to that of compatibility mode. If the
+                 * oprofile_cpu_type already has a value, then we are
+                 * possibly overriding a real PVR with a logical one,
+                 * and, in that case, keep the current value for
+                 * oprofile_cpu_type.
+                 */
+                if (old.oprofile_cpu_type == NULL)
+                        t->oprofile_cpu_type = s->oprofile_cpu_type;
+        }
 
-                        /*
-                         * Set the base platform string once; assumes
-                         * we're called with real pvr first.
-                         */
-                        if (*PTRRELOC(&powerpc_base_platform) == NULL)
-                                *PTRRELOC(&powerpc_base_platform) = t->platform;
+        *PTRRELOC(&cur_cpu_spec) = &the_cpu_spec;
+
+        /*
+         * Set the base platform string once; assumes
+         * we're called with real pvr first.
+         */
+        if (*PTRRELOC(&powerpc_base_platform) == NULL)
+                *PTRRELOC(&powerpc_base_platform) = t->platform;
 
 #if defined(CONFIG_PPC64) || defined(CONFIG_BOOKE)
-                        /* ppc64 and booke expect identify_cpu to also call
-                         * setup_cpu for that processor. I will consolidate
-                         * that at a later time, for now, just use #ifdef.
-                         * we also don't need to PTRRELOC the function pointer
-                         * on ppc64 and booke as we are running at 0 in real
-                         * mode on ppc64 and reloc_offset is always 0 on booke.
-                         */
-                        if (s->cpu_setup) {
-                                s->cpu_setup(offset, s);
-                        }
+        /* ppc64 and booke expect identify_cpu to also call setup_cpu for
+         * that processor. I will consolidate that at a later time, for now,
+         * just use #ifdef. We also don't need to PTRRELOC the function
+         * pointer on ppc64 and booke as we are running at 0 in real mode
+         * on ppc64 and reloc_offset is always 0 on booke.
+         */
+        if (s->cpu_setup) {
+                s->cpu_setup(offset, s);
+        }
 #endif /* CONFIG_PPC64 || CONFIG_BOOKE */
+}
+
+struct cpu_spec * __init identify_cpu(unsigned long offset, unsigned int pvr)
+{
+        struct cpu_spec *s = cpu_specs;
+        int i;
+
+        s = PTRRELOC(s);
+
+        for (i = 0; i < ARRAY_SIZE(cpu_specs); i++,s++) {
+                if ((pvr & s->pvr_mask) == s->pvr_value) {
+                        setup_cpu_spec(offset, s);
                         return s;
                 }
+        }
+
         BUG();
+
         return NULL;
 }