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authorIngo Molnar <mingo@elte.hu>2009-04-06 09:02:57 +0200
committerIngo Molnar <mingo@elte.hu>2009-04-06 09:02:57 +0200
commitf541ae326fa120fa5c57433e4d9a133df212ce41 (patch)
treebdbd94ec72cfc601118051cb35e8617d55510177 /arch/parisc/kernel/process.c
parente255357764f92afcafafbd4879b222b8c752065a (diff)
parent0221c81b1b8eb0cbb6b30a0ced52ead32d2b4e4c (diff)
Merge branch 'linus' into perfcounters/core-v2
Merge reason: we have gathered quite a few conflicts, need to merge upstream Conflicts: arch/powerpc/kernel/Makefile arch/x86/ia32/ia32entry.S arch/x86/include/asm/hardirq.h arch/x86/include/asm/unistd_32.h arch/x86/include/asm/unistd_64.h arch/x86/kernel/cpu/common.c arch/x86/kernel/irq.c arch/x86/kernel/syscall_table_32.S arch/x86/mm/iomap_32.c include/linux/sched.h kernel/Makefile Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/parisc/kernel/process.c')
-rw-r--r--arch/parisc/kernel/process.c31
1 files changed, 17 insertions, 14 deletions
diff --git a/arch/parisc/kernel/process.c b/arch/parisc/kernel/process.c
index b80e02a4d81..6f69101f90b 100644
--- a/arch/parisc/kernel/process.c
+++ b/arch/parisc/kernel/process.c
@@ -46,14 +46,15 @@
#include <linux/stddef.h>
#include <linux/unistd.h>
#include <linux/kallsyms.h>
+#include <linux/uaccess.h>
#include <asm/io.h>
#include <asm/asm-offsets.h>
#include <asm/pdc.h>
#include <asm/pdc_chassis.h>
#include <asm/pgalloc.h>
-#include <asm/uaccess.h>
#include <asm/unwind.h>
+#include <asm/sections.h>
/*
* The idle thread. There's no useful work to be
@@ -231,8 +232,8 @@ sys_clone(unsigned long clone_flags, unsigned long usp,
However, these last 3 args are only examined
if the proper flags are set. */
- int __user *child_tidptr;
- int __user *parent_tidptr;
+ int __user *parent_tidptr = (int __user *)regs->gr[24];
+ int __user *child_tidptr = (int __user *)regs->gr[22];
/* usp must be word aligned. This also prevents users from
* passing in the value 1 (which is the signal for a special
@@ -243,16 +244,6 @@ sys_clone(unsigned long clone_flags, unsigned long usp,
if (usp == 0)
usp = regs->gr[30];
- if (clone_flags & CLONE_PARENT_SETTID)
- parent_tidptr = (int __user *)regs->gr[24];
- else
- parent_tidptr = NULL;
-
- if (clone_flags & (CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID))
- child_tidptr = (int __user *)regs->gr[22];
- else
- child_tidptr = NULL;
-
return do_fork(clone_flags, usp, regs, 0, parent_tidptr, child_tidptr);
}
@@ -263,7 +254,7 @@ sys_vfork(struct pt_regs *regs)
}
int
-copy_thread(int nr, unsigned long clone_flags, unsigned long usp,
+copy_thread(unsigned long clone_flags, unsigned long usp,
unsigned long unused, /* in ia64 this is "user_stack_size" */
struct task_struct * p, struct pt_regs * pregs)
{
@@ -400,3 +391,15 @@ get_wchan(struct task_struct *p)
} while (count++ < 16);
return 0;
}
+
+#ifdef CONFIG_64BIT
+void *dereference_function_descriptor(void *ptr)
+{
+ Elf64_Fdesc *desc = ptr;
+ void *p;
+
+ if (!probe_kernel_address(&desc->addr, p))
+ ptr = p;
+ return ptr;
+}
+#endif