14 files changed, 90 insertions, 105 deletions

diff --git a/include/asm-ia64/asmmacro.h b/include/asm-ia64/asmmacro.h
index c22b4658fc61..c1642fd64029 100644
--- a/include/asm-ia64/asmmacro.h
+++ b/include/asm-ia64/asmmacro.h
@@ -104,6 +104,16 @@ name:
 #endif
 
 /*
+ * If physical stack register size is different from DEF_NUM_STACK_REG,
+ * dynamically patch the kernel for correct size.
+ */
+        .section ".data.patch.phys_stack_reg", "a"
+        .previous
+#define LOAD_PHYS_STACK_REG_SIZE(reg)                   \
+[1:]    adds reg=IA64_NUM_PHYS_STACK_REG*8+8,r0;        \
+        .xdata4 ".data.patch.phys_stack_reg", 1b-.
+
+/*
  * Up until early 2004, use of .align within a function caused bad unwind info.
  * TEXT_ALIGN(n) expands into ".align n" if a fixed GAS is available or into nothing
  * otherwise.
diff --git a/include/asm-ia64/atomic.h b/include/asm-ia64/atomic.h
index 569ec7574baf..1fc3b83325da 100644
--- a/include/asm-ia64/atomic.h
+++ b/include/asm-ia64/atomic.h
@@ -15,6 +15,7 @@
 #include <linux/types.h>
 
 #include <asm/intrinsics.h>
+#include <asm/system.h>
 
 /*
  * On IA-64, counter must always be volatile to ensure that that the
@@ -88,25 +89,47 @@ ia64_atomic64_sub (__s64 i, atomic64_t *v)
         return new;
 }
 
-#define atomic_cmpxchg(v, old, new) ((int)cmpxchg(&((v)->counter), old, new))
+#define atomic_cmpxchg(v, old, new) (cmpxchg(&((v)->counter), old, new))
 #define atomic_xchg(v, new) (xchg(&((v)->counter), new))
 
-#define atomic_add_unless(v, a, u)                              \
-({                                                              \
-        int c, old;                                             \
-        c = atomic_read(v);                                     \
-        for (;;) {                                              \
-                if (unlikely(c == (u)))                         \
-                        break;                                  \
-                old = atomic_cmpxchg((v), c, c + (a));          \
-                if (likely(old == c))                           \
-                        break;                                  \
-                c = old;                                        \
-        }                                                       \
-        c != (u);                                               \
-})
+#define atomic64_cmpxchg(v, old, new) \
+        (cmpxchg(&((v)->counter), old, new))
+#define atomic64_xchg(v, new) (xchg(&((v)->counter), new))
+
+static __inline__ int atomic_add_unless(atomic_t *v, int a, int u)
+{
+        int c, old;
+        c = atomic_read(v);
+        for (;;) {
+                if (unlikely(c == (u)))
+                        break;
+                old = atomic_cmpxchg((v), c, c + (a));
+                if (likely(old == c))
+                        break;
+                c = old;
+        }
+        return c != (u);
+}
+
 #define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0)
 
+static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u)
+{
+        long c, old;
+        c = atomic64_read(v);
+        for (;;) {
+                if (unlikely(c == (u)))
+                        break;
+                old = atomic64_cmpxchg((v), c, c + (a));
+                if (likely(old == c))
+                        break;
+                c = old;
+        }
+        return c != (u);
+}
+
+#define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0)
+
 #define atomic_add_return(i,v)                                          \
 ({                                                                      \
         int __ia64_aar_i = (i);                                         \
diff --git a/include/asm-ia64/io.h b/include/asm-ia64/io.h
index 6311e168cd34..eb17a8692967 100644
--- a/include/asm-ia64/io.h
+++ b/include/asm-ia64/io.h
@@ -421,11 +421,7 @@ __writeq (unsigned long val, volatile void __iomem *addr)
 
 extern void __iomem * ioremap(unsigned long offset, unsigned long size);
 extern void __iomem * ioremap_nocache (unsigned long offset, unsigned long size);
-
-static inline void
-iounmap (volatile void __iomem *addr)
-{
-}
+extern void iounmap (volatile void __iomem *addr);
 
 /* Use normal IO mappings for DMI */
 #define dmi_ioremap ioremap
diff --git a/include/asm-ia64/kdebug.h b/include/asm-ia64/kdebug.h
index aed7142f9e4a..ba211e011a1d 100644
--- a/include/asm-ia64/kdebug.h
+++ b/include/asm-ia64/kdebug.h
@@ -28,21 +28,8 @@
  */
 #include <linux/notifier.h>
 
-struct pt_regs;
-
-struct die_args {
-        struct pt_regs *regs;
-        const char *str;
-        long err;
-        int trapnr;
-        int signr;
-};
-
-extern int register_die_notifier(struct notifier_block *);
-extern int unregister_die_notifier(struct notifier_block *);
 extern int register_page_fault_notifier(struct notifier_block *);
 extern int unregister_page_fault_notifier(struct notifier_block *);
-extern struct atomic_notifier_head ia64die_chain;
 
 enum die_val {
         DIE_BREAK = 1,
@@ -74,18 +61,4 @@ enum die_val {
         DIE_KDUMP_LEAVE,
 };
 
-static inline int notify_die(enum die_val val, char *str, struct pt_regs *regs,
-                             long err, int trap, int sig)
-{
-        struct die_args args = {
-                .regs   = regs,
-                .str    = str,
-                .err    = err,
-                .trapnr = trap,
-                .signr  = sig
-        };
-
-        return atomic_notifier_call_chain(&ia64die_chain, val, &args);
-}
-
 #endif
diff --git a/include/asm-ia64/kexec.h b/include/asm-ia64/kexec.h
index 41299ddfee30..541be835fc5a 100644
--- a/include/asm-ia64/kexec.h
+++ b/include/asm-ia64/kexec.h
@@ -14,8 +14,6 @@
 /* The native architecture */
 #define KEXEC_ARCH KEXEC_ARCH_IA_64
 
-#define MAX_NOTE_BYTES 1024
-
 #define kexec_flush_icache_page(page) do { \
                 unsigned long page_addr = (unsigned long)page_address(page); \
                 flush_icache_range(page_addr, page_addr + PAGE_SIZE); \
diff --git a/include/asm-ia64/kregs.h b/include/asm-ia64/kregs.h
index 221b5cb564b2..7e55a584975c 100644
--- a/include/asm-ia64/kregs.h
+++ b/include/asm-ia64/kregs.h
@@ -29,8 +29,7 @@
  */
 #define IA64_TR_KERNEL          0       /* itr0, dtr0: maps kernel image (code & data) */
 #define IA64_TR_PALCODE         1       /* itr1: maps PALcode as required by EFI */
-#define IA64_TR_PERCPU_DATA     1       /* dtr1: percpu data */
-#define IA64_TR_CURRENT_STACK   2       /* dtr2: maps kernel's memory- & register-stacks */
+#define IA64_TR_CURRENT_STACK   1       /* dtr1: maps kernel's memory- & register-stacks */
 
 /* Processor status register bits: */
 #define IA64_PSR_BE_BIT         1
diff --git a/include/asm-ia64/local.h b/include/asm-ia64/local.h
index dc519092ef4d..c11c530f74d0 100644
--- a/include/asm-ia64/local.h
+++ b/include/asm-ia64/local.h
@@ -1,50 +1 @@
-#ifndef _ASM_IA64_LOCAL_H
-#define _ASM_IA64_LOCAL_H
-
-/*
- * Copyright (C) 2003 Hewlett-Packard Co
- *      David Mosberger-Tang <davidm@hpl.hp.com>
- */
-
-#include <linux/percpu.h>
-
-typedef struct {
-        atomic64_t val;
-} local_t;
-
-#define LOCAL_INIT(i)   ((local_t) { { (i) } })
-#define local_read(l)   atomic64_read(&(l)->val)
-#define local_set(l, i) atomic64_set(&(l)->val, i)
-#define local_inc(l)    atomic64_inc(&(l)->val)
-#define local_dec(l)    atomic64_dec(&(l)->val)
-#define local_add(i, l) atomic64_add((i), &(l)->val)
-#define local_sub(i, l) atomic64_sub((i), &(l)->val)
-
-/* Non-atomic variants, i.e., preemption disabled and won't be touched in interrupt, etc.  */
-
-#define __local_inc(l)          (++(l)->val.counter)
-#define __local_dec(l)          (--(l)->val.counter)
-#define __local_add(i,l)        ((l)->val.counter += (i))
-#define __local_sub(i,l)        ((l)->val.counter -= (i))
-
-/*
- * Use these for per-cpu local_t variables.  Note they take a variable (eg. mystruct.foo),
- * not an address.
- */
-#define cpu_local_read(v)       local_read(&__ia64_per_cpu_var(v))
-#define cpu_local_set(v, i)     local_set(&__ia64_per_cpu_var(v), (i))
-#define cpu_local_inc(v)        local_inc(&__ia64_per_cpu_var(v))
-#define cpu_local_dec(v)        local_dec(&__ia64_per_cpu_var(v))
-#define cpu_local_add(i, v)     local_add((i), &__ia64_per_cpu_var(v))
-#define cpu_local_sub(i, v)     local_sub((i), &__ia64_per_cpu_var(v))
-
-/*
- * Non-atomic increments, i.e., preemption disabled and won't be touched in interrupt,
- * etc.
- */
-#define __cpu_local_inc(v)      __local_inc(&__ia64_per_cpu_var(v))
-#define __cpu_local_dec(v)      __local_dec(&__ia64_per_cpu_var(v))
-#define __cpu_local_add(i, v)   __local_add((i), &__ia64_per_cpu_var(v))
-#define __cpu_local_sub(i, v)   __local_sub((i), &__ia64_per_cpu_var(v))
-
-#endif /* _ASM_IA64_LOCAL_H */
+#include <asm-generic/local.h>
diff --git a/include/asm-ia64/mmu_context.h b/include/asm-ia64/mmu_context.h
index b5c65081a3aa..cef2400983fa 100644
--- a/include/asm-ia64/mmu_context.h
+++ b/include/asm-ia64/mmu_context.h
@@ -29,6 +29,7 @@
 #include <linux/spinlock.h>
 
 #include <asm/processor.h>
+#include <asm-generic/mm_hooks.h>
 
 struct ia64_ctx {
         spinlock_t lock;
diff --git a/include/asm-ia64/pal.h b/include/asm-ia64/pal.h
index 67656ce767c2..abfcb3a2588f 100644
--- a/include/asm-ia64/pal.h
+++ b/include/asm-ia64/pal.h
@@ -89,6 +89,8 @@
 #define PAL_GET_PSTATE_TYPE_AVGNORESET  2
 #define PAL_GET_PSTATE_TYPE_INSTANT     3
 
+#define PAL_MC_ERROR_INJECT     276     /* Injects processor error or returns injection capabilities */
+
 #ifndef __ASSEMBLY__
 
 #include <linux/types.h>
@@ -1235,6 +1237,37 @@ ia64_pal_mc_error_info (u64 info_index, u64 type_index, u64 *size, u64 *error_in
         return iprv.status;
 }
 
+/* Injects the requested processor error or returns info on
+ * supported injection capabilities for current processor implementation
+ */
+static inline s64
+ia64_pal_mc_error_inject_phys (u64 err_type_info, u64 err_struct_info,
+                        u64 err_data_buffer, u64 *capabilities, u64 *resources)
+{
+        struct ia64_pal_retval iprv;
+        PAL_CALL_PHYS_STK(iprv, PAL_MC_ERROR_INJECT, err_type_info,
+                          err_struct_info, err_data_buffer);
+        if (capabilities)
+                *capabilities= iprv.v0;
+        if (resources)
+                *resources= iprv.v1;
+        return iprv.status;
+}
+
+static inline s64
+ia64_pal_mc_error_inject_virt (u64 err_type_info, u64 err_struct_info,
+                        u64 err_data_buffer, u64 *capabilities, u64 *resources)
+{
+        struct ia64_pal_retval iprv;
+        PAL_CALL_STK(iprv, PAL_MC_ERROR_INJECT, err_type_info,
+                          err_struct_info, err_data_buffer);
+        if (capabilities)
+                *capabilities= iprv.v0;
+        if (resources)
+                *resources= iprv.v1;
+        return iprv.status;
+}
+
 /* Inform PALE_CHECK whether a machine check is expected so that PALE_CHECK willnot
  * attempt to correct any expected machine checks.
  */
diff --git a/include/asm-ia64/patch.h b/include/asm-ia64/patch.h
index 4797f3535e6d..a71543084fb4 100644
--- a/include/asm-ia64/patch.h
+++ b/include/asm-ia64/patch.h
@@ -20,6 +20,7 @@ extern void ia64_patch_imm60 (u64 insn_addr, u64 val);		/* patch "brl" w/ip-rel
 
 extern void ia64_patch_mckinley_e9 (unsigned long start, unsigned long end);
 extern void ia64_patch_vtop (unsigned long start, unsigned long end);
+extern void ia64_patch_phys_stack_reg(unsigned long val);
 extern void ia64_patch_gate (void);
 
 #endif /* _ASM_IA64_PATCH_H */
diff --git a/include/asm-ia64/pgtable.h b/include/asm-ia64/pgtable.h
index 553182747722..670b706411b8 100644
--- a/include/asm-ia64/pgtable.h
+++ b/include/asm-ia64/pgtable.h
@@ -485,10 +485,6 @@ extern void paging_init (void);
 #define io_remap_pfn_range(vma, vaddr, pfn, size, prot)         \
                 remap_pfn_range(vma, vaddr, pfn, size, prot)
 
-#define MK_IOSPACE_PFN(space, pfn)      (pfn)
-#define GET_IOSPACE(pfn)                0
-#define GET_PFN(pfn)                    (pfn)
-
 /*
  * ZERO_PAGE is a global shared page that is always zero: used
  * for zero-mapped memory areas etc..
diff --git a/include/asm-ia64/processor.h b/include/asm-ia64/processor.h
index 4f4ee1c2db2f..db81ba406cef 100644
--- a/include/asm-ia64/processor.h
+++ b/include/asm-ia64/processor.h
@@ -19,6 +19,7 @@
 #include <asm/ptrace.h>
 #include <asm/ustack.h>
 
+#define IA64_NUM_PHYS_STACK_REG 96
 #define IA64_NUM_DBG_REGS       8
 
 #define DEFAULT_MAP_BASE        __IA64_UL_CONST(0x2000000000000000)
diff --git a/include/asm-ia64/scatterlist.h b/include/asm-ia64/scatterlist.h
index 9dbea8844d5e..a452ea24205a 100644
--- a/include/asm-ia64/scatterlist.h
+++ b/include/asm-ia64/scatterlist.h
@@ -6,6 +6,8 @@
  *      David Mosberger-Tang <davidm@hpl.hp.com>, Hewlett-Packard Co
  */
 
+#include <asm/types.h>
+
 struct scatterlist {
         struct page *page;
         unsigned int offset;
diff --git a/include/asm-ia64/sections.h b/include/asm-ia64/sections.h
index e9eb7f62d32b..dc42a359894f 100644
--- a/include/asm-ia64/sections.h
+++ b/include/asm-ia64/sections.h
@@ -11,6 +11,7 @@
 extern char __per_cpu_start[], __per_cpu_end[], __phys_per_cpu_start[];
 extern char __start___vtop_patchlist[], __end___vtop_patchlist[];
 extern char __start___mckinley_e9_bundles[], __end___mckinley_e9_bundles[];
+extern char __start___phys_stack_reg_patchlist[], __end___phys_stack_reg_patchlist[];
 extern char __start_gate_section[];
 extern char __start_gate_mckinley_e9_patchlist[], __end_gate_mckinley_e9_patchlist[];
 extern char __start_gate_vtop_patchlist[], __end_gate_vtop_patchlist[];