[git-pull -tip] x86: declaration patches

From: Jaswinder Singh Rajput
Date: Fri Apr 10 2009 - 12:34:48 EST

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Hello Ingo,

I have already send these patches for review to LKML.

Now here is pull request:
The following changes since commit 7fd61bdf06572f1ca681aa35f5c86531a821ea75:
Ingo Molnar (1):
Merge branch 'x86/urgent'

are available in the git repository at:

git://git.kernel.org/pub/scm/linux/kernel/git/jaswinder/linux-2.6-tip.git master

Jaswinder Singh Rajput (8):
x86: irq.c declare smp_generic_interrupt before they get used
x86: syscalls.h update declarations due to unifications
x86: process.c declare sys_fork and sys_vfork before they get used
x86: tsc.c rename tsc_khz shadow variable
x86: apic/probe_32.c declare apic_default before they get used
x86: apic/nmi.c prev_nmi_count should be unsigned
x86: apic/io_apic.c declare smp_irq_move_cleanup_interrupt before they get used
x86: mm/init.c declare direct_gbpages and free_initrd_mem before they get used

arch/x86/include/asm/apic.h | 3 ++
arch/x86/include/asm/hw_irq.h | 14 +++++++++++
arch/x86/include/asm/pgtable.h | 2 +
arch/x86/include/asm/pgtable_64.h | 6 -----
arch/x86/include/asm/syscalls.h | 45 +++++++++++++++++++-----------------
arch/x86/kernel/apic/io_apic.c | 6 ++++-
arch/x86/kernel/apic/nmi.c | 2 +-
arch/x86/kernel/apic/probe_32.c | 1 -
arch/x86/kernel/irq.c | 4 +++
arch/x86/kernel/process.c | 1 +
arch/x86/kernel/tsc.c | 8 +++---
arch/x86/mm/init.c | 1 +
12 files changed, 59 insertions(+), 34 deletions(-)

Complete diff:
diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h
index 42f2f83..5773660 100644
--- a/arch/x86/include/asm/apic.h
+++ b/arch/x86/include/asm/apic.h
@@ -478,6 +478,9 @@ static inline unsigned int read_apic_id(void)
extern void default_setup_apic_routing(void);

#ifdef CONFIG_X86_32
+
+extern struct apic apic_default;
+
/*
* Set up the logical destination ID.
*
diff --git a/arch/x86/include/asm/hw_irq.h b/arch/x86/include/asm/hw_irq.h
index 7309c0a..2f35e81 100644
--- a/arch/x86/include/asm/hw_irq.h
+++ b/arch/x86/include/asm/hw_irq.h
@@ -81,6 +81,11 @@ extern void eisa_set_level_irq(unsigned int irq);
/* SMP */
extern void smp_apic_timer_interrupt(struct pt_regs *);
extern void smp_spurious_interrupt(struct pt_regs *);
+#ifdef CONFIG_X86_32
+extern void smp_generic_interrupt(struct pt_regs *);
+#else
+extern asmlinkage void smp_generic_interrupt(struct pt_regs *);
+#endif
extern void smp_error_interrupt(struct pt_regs *);
#ifdef CONFIG_SMP
extern void smp_reschedule_interrupt(struct pt_regs *);
@@ -93,6 +98,15 @@ extern asmlinkage void smp_invalidate_interrupt(struct pt_regs *);
#endif
#endif

+#ifdef CONFIG_X86_IO_APIC
+#ifdef CONFIG_X86_32
+extern void smp_irq_move_cleanup_interrupt(void);
+#else
+extern asmlinkage void smp_irq_move_cleanup_interrupt(void);
+#endif
+#endif
+
+
extern void (*__initconst interrupt[NR_VECTORS-FIRST_EXTERNAL_VECTOR])(void);

typedef int vector_irq_t[NR_VECTORS];
diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index 205f6a9..577485b 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -510,6 +510,8 @@ static inline int pte_hidden(pte_t pte)

#ifndef __ASSEMBLY__

+extern int direct_gbpages;
+
/* local pte updates need not use xchg for locking */
static inline pte_t native_local_ptep_get_and_clear(pte_t *ptep)
{
diff --git a/arch/x86/include/asm/pgtable_64.h b/arch/x86/include/asm/pgtable_64.h
index 6b87bc6..abde308 100644
--- a/arch/x86/include/asm/pgtable_64.h
+++ b/arch/x86/include/asm/pgtable_64.h
@@ -25,10 +25,6 @@ extern pgd_t init_level4_pgt[];

extern void paging_init(void);

-#endif /* !__ASSEMBLY__ */
-
-#ifndef __ASSEMBLY__
-
#define pte_ERROR(e) \
printk("%s:%d: bad pte %p(%016lx).\n", \
__FILE__, __LINE__, &(e), pte_val(e))
@@ -135,8 +131,6 @@ static inline int pgd_large(pgd_t pgd) { return 0; }

#define update_mmu_cache(vma, address, pte) do { } while (0)

-extern int direct_gbpages;
-
/* Encode and de-code a swap entry */
#if _PAGE_BIT_FILE < _PAGE_BIT_PROTNONE
#define SWP_TYPE_BITS (_PAGE_BIT_FILE - _PAGE_BIT_PRESENT - 1)
diff --git a/arch/x86/include/asm/syscalls.h b/arch/x86/include/asm/syscalls.h
index 7043408..372b76e 100644
--- a/arch/x86/include/asm/syscalls.h
+++ b/arch/x86/include/asm/syscalls.h
@@ -1,7 +1,7 @@
/*
* syscalls.h - Linux syscall interfaces (arch-specific)
*
- * Copyright (c) 2008 Jaswinder Singh
+ * Copyright (c) 2008 Jaswinder Singh Rajput
*
* This file is released under the GPLv2.
* See the file COPYING for more details.
@@ -12,50 +12,55 @@

#include <linux/compiler.h>
#include <linux/linkage.h>
-#include <linux/types.h>
#include <linux/signal.h>
+#include <linux/types.h>

/* Common in X86_32 and X86_64 */
/* kernel/ioport.c */
asmlinkage long sys_ioperm(unsigned long, unsigned long, int);

+/* kernel/process.c */
+int sys_fork(struct pt_regs *);
+int sys_vfork(struct pt_regs *);
+
/* kernel/ldt.c */
asmlinkage int sys_modify_ldt(int, void __user *, unsigned long);

+/* kernel/signal.c */
+long sys_rt_sigreturn(struct pt_regs *);
+
/* kernel/tls.c */
asmlinkage int sys_set_thread_area(struct user_desc __user *);
asmlinkage int sys_get_thread_area(struct user_desc __user *);

/* X86_32 only */
#ifdef CONFIG_X86_32
+/* kernel/ioport.c */
+long sys_iopl(struct pt_regs *);
+
/* kernel/process_32.c */
-int sys_fork(struct pt_regs *);
int sys_clone(struct pt_regs *);
-int sys_vfork(struct pt_regs *);
int sys_execve(struct pt_regs *);

-/* kernel/signal_32.c */
+/* kernel/signal.c */
asmlinkage int sys_sigsuspend(int, int, old_sigset_t);
asmlinkage int sys_sigaction(int, const struct old_sigaction __user *,
struct old_sigaction __user *);
int sys_sigaltstack(struct pt_regs *);
unsigned long sys_sigreturn(struct pt_regs *);
-long sys_rt_sigreturn(struct pt_regs *);
-
-/* kernel/ioport.c */
-long sys_iopl(struct pt_regs *);

/* kernel/sys_i386_32.c */
+struct mmap_arg_struct;
+struct sel_arg_struct;
+struct oldold_utsname;
+struct old_utsname;
+
asmlinkage long sys_mmap2(unsigned long, unsigned long, unsigned long,
unsigned long, unsigned long, unsigned long);
-struct mmap_arg_struct;
asmlinkage int old_mmap(struct mmap_arg_struct __user *);
-struct sel_arg_struct;
asmlinkage int old_select(struct sel_arg_struct __user *);
asmlinkage int sys_ipc(uint, int, int, int, void __user *, long);
-struct old_utsname;
asmlinkage int sys_uname(struct old_utsname __user *);
-struct oldold_utsname;
asmlinkage int sys_olduname(struct oldold_utsname __user *);

/* kernel/vm86_32.c */
@@ -65,29 +70,27 @@ int sys_vm86(struct pt_regs *);
#else /* CONFIG_X86_32 */

/* X86_64 only */
+/* kernel/ioport.c */
+asmlinkage long sys_iopl(unsigned int, struct pt_regs *);
+
/* kernel/process_64.c */
-asmlinkage long sys_fork(struct pt_regs *);
asmlinkage long sys_clone(unsigned long, unsigned long,
void __user *, void __user *,
struct pt_regs *);
-asmlinkage long sys_vfork(struct pt_regs *);
asmlinkage long sys_execve(char __user *, char __user * __user *,
char __user * __user *,
struct pt_regs *);
long sys_arch_prctl(int, unsigned long);

-/* kernel/ioport.c */
-asmlinkage long sys_iopl(unsigned int, struct pt_regs *);
-
-/* kernel/signal_64.c */
+/* kernel/signal.c */
asmlinkage long sys_sigaltstack(const stack_t __user *, stack_t __user *,
struct pt_regs *);
-long sys_rt_sigreturn(struct pt_regs *);

/* kernel/sys_x86_64.c */
+struct new_utsname;
+
asmlinkage long sys_mmap(unsigned long, unsigned long, unsigned long,
unsigned long, unsigned long, unsigned long);
-struct new_utsname;
asmlinkage long sys_uname(struct new_utsname __user *);

#endif /* CONFIG_X86_32 */
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 8499000..d1bac67 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -59,6 +59,7 @@
#include <asm/setup.h>
#include <asm/irq_remapping.h>
#include <asm/hpet.h>
+#include <asm/hw_irq.h> /* smp_irq_move_cleanup_interrupt */
#include <asm/uv/uv_hub.h>
#include <asm/uv/uv_irq.h>

@@ -2428,7 +2429,10 @@ static inline void set_ir_ioapic_affinity_irq_desc(struct irq_desc *desc,
}
#endif

-asmlinkage void smp_irq_move_cleanup_interrupt(void)
+#ifdef CONFIG_X86_64
+asmlinkage
+#endif
+void smp_irq_move_cleanup_interrupt(void)
{
unsigned vector, me;

diff --git a/arch/x86/kernel/apic/nmi.c b/arch/x86/kernel/apic/nmi.c
index d6bd624..0205631 100644
--- a/arch/x86/kernel/apic/nmi.c
+++ b/arch/x86/kernel/apic/nmi.c
@@ -104,7 +104,7 @@ static __init void nmi_cpu_busy(void *data)
}
#endif

-static void report_broken_nmi(int cpu, int *prev_nmi_count)
+static void report_broken_nmi(int cpu, unsigned int *prev_nmi_count)
{
printk(KERN_CONT "\n");

diff --git a/arch/x86/kernel/apic/probe_32.c b/arch/x86/kernel/apic/probe_32.c
index 01eda2a..440a8bc 100644
--- a/arch/x86/kernel/apic/probe_32.c
+++ b/arch/x86/kernel/apic/probe_32.c
@@ -160,7 +160,6 @@ extern struct apic apic_summit;
extern struct apic apic_bigsmp;
extern struct apic apic_es7000;
extern struct apic apic_es7000_cluster;
-extern struct apic apic_default;

struct apic *apic = &apic_default;
EXPORT_SYMBOL_GPL(apic);
diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c
index 9be593f..8370125 100644
--- a/arch/x86/kernel/irq.c
+++ b/arch/x86/kernel/irq.c
@@ -12,6 +12,7 @@
#include <asm/io_apic.h>
#include <asm/irq.h>
#include <asm/idle.h>
+#include <asm/hw_irq.h> /* smp_generic_interrupt */

atomic_t irq_err_count;

@@ -242,6 +243,9 @@ unsigned int __irq_entry do_IRQ(struct pt_regs *regs)
/*
* Handler for GENERIC_INTERRUPT_VECTOR.
*/
+#ifdef CONFIG_X86_64
+asmlinkage
+#endif
void smp_generic_interrupt(struct pt_regs *regs)
{
struct pt_regs *old_regs = set_irq_regs(regs);
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
index 1d71442..4d397ce 100644
--- a/arch/x86/kernel/process.c
+++ b/arch/x86/kernel/process.c
@@ -15,6 +15,7 @@
#include <asm/uaccess.h>
#include <asm/i387.h>
#include <asm/ds.h>
+#include <asm/syscalls.h> /* sys_fork, sys_vfork */

unsigned long idle_halt;
EXPORT_SYMBOL(idle_halt);
diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c
index 7a567eb..a8dc0d0 100644
--- a/arch/x86/kernel/tsc.c
+++ b/arch/x86/kernel/tsc.c
@@ -384,13 +384,13 @@ unsigned long native_calibrate_tsc(void)
{
u64 tsc1, tsc2, delta, ref1, ref2;
unsigned long tsc_pit_min = ULONG_MAX, tsc_ref_min = ULONG_MAX;
- unsigned long flags, latch, ms, fast_calibrate, tsc_khz;
+ unsigned long flags, latch, ms, fast_calibrate, hv_tsc_khz;
int hpet = is_hpet_enabled(), i, loopmin;

- tsc_khz = get_hypervisor_tsc_freq();
- if (tsc_khz) {
+ hv_tsc_khz = get_hypervisor_tsc_freq();
+ if (hv_tsc_khz) {
printk(KERN_INFO "TSC: Frequency read from the hypervisor\n");
- return tsc_khz;
+ return hv_tsc_khz;
}

local_irq_save(flags);
diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c
index 51ae5ea..688c008 100644
--- a/arch/x86/mm/init.c
+++ b/arch/x86/mm/init.c
@@ -1,3 +1,4 @@
+#include <linux/initrd.h> /* free_initrd_mem */
#include <linux/ioport.h>
#include <linux/swap.h>

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