Merge /spare/repo/linux-2.6/

18 files changed, 38 insertions, 254 deletions

diff --git a/arch/sparc/Makefile b/arch/sparc/Makefile
index 7b3bbaf083a6..dea48f6cff38 100644
--- a/arch/sparc/Makefile
+++ b/arch/sparc/Makefile
@@ -59,17 +59,7 @@ image tftpboot.img: vmlinux
 archclean:
         $(Q)$(MAKE) $(clean)=$(boot)
 
-prepare: include/asm-$(ARCH)/asm_offsets.h
-
-arch/$(ARCH)/kernel/asm-offsets.s: include/asm include/linux/version.h \
-                                   include/config/MARKER
-
-include/asm-$(ARCH)/asm_offsets.h: arch/$(ARCH)/kernel/asm-offsets.s
-        $(call filechk,gen-asm-offsets)
-
-CLEAN_FILES +=  include/asm-$(ARCH)/asm_offsets.h       \
-                arch/$(ARCH)/kernel/asm-offsets.s       \
-                arch/$(ARCH)/boot/System.map
+CLEAN_FILES += arch/$(ARCH)/boot/System.map
 
 # Don't use tabs in echo arguments.
 define archhelp
diff --git a/arch/sparc/kernel/entry.S b/arch/sparc/kernel/entry.S
index b448166f5da9..03ecb4e4614e 100644
--- a/arch/sparc/kernel/entry.S
+++ b/arch/sparc/kernel/entry.S
@@ -17,7 +17,7 @@
 #include <asm/kgdb.h>
 #include <asm/contregs.h>
 #include <asm/ptrace.h>
-#include <asm/asm_offsets.h>
+#include <asm/asm-offsets.h>
 #include <asm/psr.h>
 #include <asm/vaddrs.h>
 #include <asm/memreg.h>
diff --git a/arch/sparc/kernel/module.c b/arch/sparc/kernel/module.c
index 7931d6f92819..787d5f1347ec 100644
--- a/arch/sparc/kernel/module.c
+++ b/arch/sparc/kernel/module.c
@@ -10,6 +10,7 @@
 #include <linux/vmalloc.h>
 #include <linux/fs.h>
 #include <linux/string.h>
+#include <linux/ctype.h>
 
 void *module_alloc(unsigned long size)
 {
@@ -37,7 +38,7 @@ void module_free(struct module *mod, void *module_region)
 }
 
 /* Make generic code ignore STT_REGISTER dummy undefined symbols,
- * and replace references to .func with func as in ppc64's dedotify.
+ * and replace references to .func with _Func
  */
 int module_frob_arch_sections(Elf_Ehdr *hdr,
                               Elf_Shdr *sechdrs,
@@ -64,8 +65,10 @@ int module_frob_arch_sections(Elf_Ehdr *hdr,
                                 sym[i].st_shndx = SHN_ABS;
                         else {
                                 char *name = strtab + sym[i].st_name;
-                                if (name[0] == '.')
-                                        memmove(name, name+1, strlen(name));
+                                if (name[0] == '.') {
+                                        name[0] = '_';
+                                        name[1] = toupper(name[1]);
+                                }
                         }
                 }
         }
diff --git a/arch/sparc/kernel/sclow.S b/arch/sparc/kernel/sclow.S
index 3a867fc19927..136e37c53d49 100644
--- a/arch/sparc/kernel/sclow.S
+++ b/arch/sparc/kernel/sclow.S
@@ -7,7 +7,7 @@
  */
 
 #include <asm/ptrace.h>
-#include <asm/asm_offsets.h>
+#include <asm/asm-offsets.h>
 #include <asm/errno.h>
 #include <asm/winmacro.h>
 #include <asm/thread_info.h>
diff --git a/arch/sparc/kernel/sparc_ksyms.c b/arch/sparc/kernel/sparc_ksyms.c
index 5d974a2b735a..1c8fd0fd9305 100644
--- a/arch/sparc/kernel/sparc_ksyms.c
+++ b/arch/sparc/kernel/sparc_ksyms.c
@@ -97,34 +97,17 @@ extern void ___rw_write_enter(void);
 /* Alias functions whose names begin with "." and export the aliases.
  * The module references will be fixed up by module_frob_arch_sections.
  */
-#define DOT_ALIAS2(__ret, __x, __arg1, __arg2) \
-        extern __ret __x(__arg1, __arg2); \
-        asm(".weak " #__x);\
-        asm(#__x "=." #__x);
-
-DOT_ALIAS2(int, div, int, int)
-DOT_ALIAS2(int, mul, int, int)
-DOT_ALIAS2(int, rem, int, int)
-DOT_ALIAS2(unsigned, udiv, unsigned, unsigned)
-DOT_ALIAS2(unsigned, umul, unsigned, unsigned)
-DOT_ALIAS2(unsigned, urem, unsigned, unsigned)
-
-#undef DOT_ALIAS2
+extern int _Div(int, int);
+extern int _Mul(int, int);
+extern int _Rem(int, int);
+extern unsigned _Udiv(unsigned, unsigned);
+extern unsigned _Umul(unsigned, unsigned);
+extern unsigned _Urem(unsigned, unsigned);
 
 /* used by various drivers */
 EXPORT_SYMBOL(sparc_cpu_model);
 EXPORT_SYMBOL(kernel_thread);
-#ifdef CONFIG_DEBUG_SPINLOCK
 #ifdef CONFIG_SMP
-EXPORT_SYMBOL(_do_spin_lock);
-EXPORT_SYMBOL(_do_spin_unlock);
-EXPORT_SYMBOL(_spin_trylock);
-EXPORT_SYMBOL(_do_read_lock);
-EXPORT_SYMBOL(_do_read_unlock);
-EXPORT_SYMBOL(_do_write_lock);
-EXPORT_SYMBOL(_do_write_unlock);
-#endif
-#else
 // XXX find what uses (or used) these.
 EXPORT_SYMBOL(___rw_read_enter);
 EXPORT_SYMBOL(___rw_read_exit);
@@ -330,12 +313,12 @@ EXPORT_SYMBOL(__lshrdi3);
 EXPORT_SYMBOL(__muldi3);
 EXPORT_SYMBOL(__divdi3);
 
-EXPORT_SYMBOL(rem);
-EXPORT_SYMBOL(urem);
-EXPORT_SYMBOL(mul);
-EXPORT_SYMBOL(umul);
-EXPORT_SYMBOL(div);
-EXPORT_SYMBOL(udiv);
+EXPORT_SYMBOL(_Rem);
+EXPORT_SYMBOL(_Urem);
+EXPORT_SYMBOL(_Mul);
+EXPORT_SYMBOL(_Umul);
+EXPORT_SYMBOL(_Div);
+EXPORT_SYMBOL(_Udiv);
 
 #ifdef CONFIG_DEBUG_BUGVERBOSE
 EXPORT_SYMBOL(do_BUG);
diff --git a/arch/sparc/lib/Makefile b/arch/sparc/lib/Makefile
index 2296ff9dc47a..fa5006946062 100644
--- a/arch/sparc/lib/Makefile
+++ b/arch/sparc/lib/Makefile
@@ -9,5 +9,3 @@ lib-y := mul.o rem.o sdiv.o udiv.o umul.o urem.o ashrdi3.o memcpy.o memset.o \
          strncpy_from_user.o divdi3.o udivdi3.o strlen_user.o \
          copy_user.o locks.o atomic.o atomic32.o bitops.o \
          lshrdi3.o ashldi3.o rwsem.o muldi3.o bitext.o
-
-lib-$(CONFIG_DEBUG_SPINLOCK) += debuglocks.o
diff --git a/arch/sparc/lib/atomic32.c b/arch/sparc/lib/atomic32.c
index 19724c5800a7..2e64e8c3e8e5 100644
--- a/arch/sparc/lib/atomic32.c
+++ b/arch/sparc/lib/atomic32.c
@@ -20,7 +20,7 @@ spinlock_t __atomic_hash[ATOMIC_HASH_SIZE] = {
 
 #else /* SMP */
 
-static spinlock_t dummy = SPIN_LOCK_UNLOCKED;
+static DEFINE_SPINLOCK(dummy);
 #define ATOMIC_HASH_SIZE        1
 #define ATOMIC_HASH(a)          (&dummy)
 
diff --git a/arch/sparc/lib/debuglocks.c b/arch/sparc/lib/debuglocks.c
deleted file mode 100644
index fb182352782c..000000000000
--- a/arch/sparc/lib/debuglocks.c
+++ /dev/null
@@ -1,202 +0,0 @@
-/* $Id: debuglocks.c,v 1.11 2001/09/20 00:35:31 davem Exp $
- * debuglocks.c: Debugging versions of SMP locking primitives.
- *
- * Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu)
- * Copyright (C) 1998-99 Anton Blanchard (anton@progsoc.uts.edu.au)
- */
-
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/threads.h>      /* For NR_CPUS */
-#include <linux/spinlock.h>
-#include <asm/psr.h>
-#include <asm/system.h>
-
-#ifdef CONFIG_SMP
-
-/* Some notes on how these debugging routines work.  When a lock is acquired
- * an extra debugging member lock->owner_pc is set to the caller of the lock
- * acquisition routine.  Right before releasing a lock, the debugging program
- * counter is cleared to zero.
- *
- * Furthermore, since PC's are 4 byte aligned on Sparc, we stuff the CPU
- * number of the owner in the lowest two bits.
- */
-
-#define STORE_CALLER(A) __asm__ __volatile__("mov %%i7, %0" : "=r" (A));
-
-static inline void show(char *str, spinlock_t *lock, unsigned long caller)
-{
-        int cpu = smp_processor_id();
-
-        printk("%s(%p) CPU#%d stuck at %08lx, owner PC(%08lx):CPU(%lx)\n",str,
-                lock, cpu, caller, lock->owner_pc & ~3, lock->owner_pc & 3);
-}
-
-static inline void show_read(char *str, rwlock_t *lock, unsigned long caller)
-{
-        int cpu = smp_processor_id();
-
-        printk("%s(%p) CPU#%d stuck at %08lx, owner PC(%08lx):CPU(%lx)\n", str,
-                lock, cpu, caller, lock->owner_pc & ~3, lock->owner_pc & 3);
-}
-
-static inline void show_write(char *str, rwlock_t *lock, unsigned long caller)
-{
-        int cpu = smp_processor_id();
-        int i;
-
-        printk("%s(%p) CPU#%d stuck at %08lx, owner PC(%08lx):CPU(%lx)", str,
-                lock, cpu, caller, lock->owner_pc & ~3, lock->owner_pc & 3);
-
-        for(i = 0; i < NR_CPUS; i++)
-                printk(" reader[%d]=%08lx", i, lock->reader_pc[i]);
-
-        printk("\n");
-}
-
-#undef INIT_STUCK
-#define INIT_STUCK 100000000
-
-void _do_spin_lock(spinlock_t *lock, char *str)
-{
-        unsigned long caller;
-        unsigned long val;
-        int cpu = smp_processor_id();
-        int stuck = INIT_STUCK;
-
-        STORE_CALLER(caller);
-
-again:
-        __asm__ __volatile__("ldstub [%1], %0" : "=r" (val) : "r" (&(lock->lock)));
-        if(val) {
-                while(lock->lock) {
-                        if (!--stuck) {
-                                show(str, lock, caller);
-                                stuck = INIT_STUCK;
-                        }
-                        barrier();
-                }
-                goto again;
-        }
-        lock->owner_pc = (cpu & 3) | (caller & ~3);
-}
-
-int _spin_trylock(spinlock_t *lock)
-{
-        unsigned long val;
-        unsigned long caller;
-        int cpu = smp_processor_id();
-
-        STORE_CALLER(caller);
-
-        __asm__ __volatile__("ldstub [%1], %0" : "=r" (val) : "r" (&(lock->lock)));
-        if(!val) {
-                /* We got it, record our identity for debugging. */
-                lock->owner_pc = (cpu & 3) | (caller & ~3);
-        }
-        return val == 0;
-}
-
-void _do_spin_unlock(spinlock_t *lock)
-{
-        lock->owner_pc = 0;
-        barrier();
-        lock->lock = 0;
-}
-
-void _do_read_lock(rwlock_t *rw, char *str)
-{
-        unsigned long caller;
-        unsigned long val;
-        int cpu = smp_processor_id();
-        int stuck = INIT_STUCK;
-
-        STORE_CALLER(caller);
-
-wlock_again:
-        __asm__ __volatile__("ldstub [%1 + 3], %0" : "=r" (val) : "r" (&(rw->lock)));
-        if(val) {
-                while(rw->lock & 0xff) {
-                        if (!--stuck) {
-                                show_read(str, rw, caller);
-                                stuck = INIT_STUCK;
-                        }
-                        barrier();
-                }
-                goto wlock_again;
-        }
-
-        rw->reader_pc[cpu] = caller;
-        barrier();
-        rw->lock++;
-}
-
-void _do_read_unlock(rwlock_t *rw, char *str)
-{
-        unsigned long caller;
-        unsigned long val;
-        int cpu = smp_processor_id();
-        int stuck = INIT_STUCK;
-
-        STORE_CALLER(caller);
-
-wlock_again:
-        __asm__ __volatile__("ldstub [%1 + 3], %0" : "=r" (val) : "r" (&(rw->lock)));
-        if(val) {
-                while(rw->lock & 0xff) {
-                        if (!--stuck) {
-                                show_read(str, rw, caller);
-                                stuck = INIT_STUCK;
-                        }
-                        barrier();
-                }
-                goto wlock_again;
-        }
-
-        rw->reader_pc[cpu] = 0;
-        barrier();
-        rw->lock -= 0x1ff;
-}
-
-void _do_write_lock(rwlock_t *rw, char *str)
-{
-        unsigned long caller;
-        unsigned long val;
-        int cpu = smp_processor_id();
-        int stuck = INIT_STUCK;
-
-        STORE_CALLER(caller);
-
-wlock_again:
-        __asm__ __volatile__("ldstub [%1 + 3], %0" : "=r" (val) : "r" (&(rw->lock)));
-        if(val) {
-wlock_wait:
-                while(rw->lock) {
-                        if (!--stuck) {
-                                show_write(str, rw, caller);
-                                stuck = INIT_STUCK;
-                        }
-                        barrier();
-                }
-                goto wlock_again;
-        }
-
-        if (rw->lock & ~0xff) {
-                *(((unsigned char *)&rw->lock)+3) = 0;
-                barrier();
-                goto wlock_wait;
-        }
-
-        barrier();
-        rw->owner_pc = (cpu & 3) | (caller & ~3);
-}
-
-void _do_write_unlock(rwlock_t *rw)
-{
-        rw->owner_pc = 0;
-        barrier();
-        rw->lock = 0;
-}
-
-#endif /* SMP */
diff --git a/arch/sparc/lib/mul.S b/arch/sparc/lib/mul.S
index 83dffbc2f62f..da693560d878 100644
--- a/arch/sparc/lib/mul.S
+++ b/arch/sparc/lib/mul.S
@@ -16,7 +16,9 @@
  */
 
         .globl .mul
+        .globl _Mul
 .mul:
+_Mul:   /* needed for export */
         mov     %o0, %y         ! multiplier -> Y
         andncc  %o0, 0xfff, %g0 ! test bits 12..31
         be      Lmul_shortway   ! if zero, can do it the short way
diff --git a/arch/sparc/lib/rem.S b/arch/sparc/lib/rem.S
index 44508148d055..bf015a90d07e 100644
--- a/arch/sparc/lib/rem.S
+++ b/arch/sparc/lib/rem.S
@@ -43,7 +43,9 @@
 
 
         .globl .rem
+        .globl _Rem
 .rem:
+_Rem:   /* needed for export */
         ! compute sign of result; if neither is negative, no problem
         orcc    %o1, %o0, %g0   ! either negative?
         bge     2f                      ! no, go do the divide
diff --git a/arch/sparc/lib/sdiv.S b/arch/sparc/lib/sdiv.S
index e0ad80b6f63d..af9451629d0b 100644
--- a/arch/sparc/lib/sdiv.S
+++ b/arch/sparc/lib/sdiv.S
@@ -43,7 +43,9 @@
 
 
         .globl .div
+        .globl _Div
 .div:
+_Div:   /* needed for export */
         ! compute sign of result; if neither is negative, no problem
         orcc    %o1, %o0, %g0   ! either negative?
         bge     2f                      ! no, go do the divide
diff --git a/arch/sparc/lib/udiv.S b/arch/sparc/lib/udiv.S
index 2abfc6b0f3e9..169e01da6715 100644
--- a/arch/sparc/lib/udiv.S
+++ b/arch/sparc/lib/udiv.S
@@ -43,7 +43,9 @@
 
 
         .globl .udiv
+        .globl _Udiv
 .udiv:
+_Udiv:  /* needed for export */
 
         ! Ready to divide.  Compute size of quotient; scale comparand.
         orcc    %o1, %g0, %o5
diff --git a/arch/sparc/lib/umul.S b/arch/sparc/lib/umul.S
index a784720a8a22..f0e5b20a2536 100644
--- a/arch/sparc/lib/umul.S
+++ b/arch/sparc/lib/umul.S
@@ -21,7 +21,9 @@
  */
 
         .globl .umul
+        .globl _Umul
 .umul:
+_Umul:  /* needed for export */
         or      %o0, %o1, %o4
         mov     %o0, %y         ! multiplier -> Y
 
diff --git a/arch/sparc/lib/urem.S b/arch/sparc/lib/urem.S
index ec7f0c502c56..6b92bdc8b04c 100644
--- a/arch/sparc/lib/urem.S
+++ b/arch/sparc/lib/urem.S
@@ -41,7 +41,9 @@
  */
 
         .globl .urem
+        .globl _Urem
 .urem:
+_Urem:  /* needed for export */
 
         ! Ready to divide.  Compute size of quotient; scale comparand.
         orcc    %o1, %g0, %o5
diff --git a/arch/sparc/mm/hypersparc.S b/arch/sparc/mm/hypersparc.S
index 54b8e764b042..a231cca37216 100644
--- a/arch/sparc/mm/hypersparc.S
+++ b/arch/sparc/mm/hypersparc.S
@@ -6,7 +6,7 @@
 
 #include <asm/ptrace.h>
 #include <asm/psr.h>
-#include <asm/asm_offsets.h>
+#include <asm/asm-offsets.h>
 #include <asm/asi.h>
 #include <asm/page.h>
 #include <asm/pgtsrmmu.h>
diff --git a/arch/sparc/mm/swift.S b/arch/sparc/mm/swift.S
index 2dcaa5ac1a38..cd90f3fdc4e7 100644
--- a/arch/sparc/mm/swift.S
+++ b/arch/sparc/mm/swift.S
@@ -9,7 +9,7 @@
 #include <asm/asi.h>
 #include <asm/page.h>
 #include <asm/pgtsrmmu.h>
-#include <asm/asm_offsets.h>
+#include <asm/asm-offsets.h>
 
         .text
         .align  4
diff --git a/arch/sparc/mm/tsunami.S b/arch/sparc/mm/tsunami.S
index 8acd1787fde2..697af617594a 100644
--- a/arch/sparc/mm/tsunami.S
+++ b/arch/sparc/mm/tsunami.S
@@ -6,7 +6,7 @@
 
 #include <linux/config.h>
 #include <asm/ptrace.h>
-#include <asm/asm_offsets.h>
+#include <asm/asm-offsets.h>
 #include <asm/psr.h>
 #include <asm/asi.h>
 #include <asm/page.h>
diff --git a/arch/sparc/mm/viking.S b/arch/sparc/mm/viking.S
index f58712d26bf5..3cbd6de18dde 100644
--- a/arch/sparc/mm/viking.S
+++ b/arch/sparc/mm/viking.S
@@ -9,7 +9,7 @@
 #include <linux/config.h>
 #include <asm/ptrace.h>
 #include <asm/psr.h>
-#include <asm/asm_offsets.h>
+#include <asm/asm-offsets.h>
 #include <asm/asi.h>
 #include <asm/mxcc.h>
 #include <asm/page.h>