lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

[PATCH] Kprobes: prevent possible race conditions sparc64 changes

Browse Source 
This patch contains the sparc64 architecture specific changes to prevent the
possible race conditions.

Signed-off-by: Prasanna S Panchamukhi <prasanna@in.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Prasanna S Panchamukhi
2005-09-06 15:19:30 -07:00
committed by Linus Torvalds
parent 1f7ad57b75
commit 05e14cb3ba
5 changed files with 30 additions and 20 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
arch/sparc64/mm/fault.c
View File

@@ -18,6 +18,7 @@
#include <linux/smp_lock.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/kprobes.h>
#include <asm/page.h>
#include <asm/pgtable.h>
@@ -117,8 +118,9 @@ unsigned long __init prom_probe_memory (void)
return tally;
}
static void unhandled_fault(unsigned long address, struct task_struct *tsk,
struct pt_regs *regs)
static void __kprobes unhandled_fault(unsigned long address,
struct task_struct *tsk,
struct pt_regs *regs)
{
if ((unsigned long) address < PAGE_SIZE) {
printk(KERN_ALERT "Unable to handle kernel NULL "
@@ -304,7 +306,7 @@ cannot_handle:
unhandled_fault (address, current, regs);
}
asmlinkage void do_sparc64_fault(struct pt_regs *regs)
asmlinkage void __kprobes do_sparc64_fault(struct pt_regs *regs)
{
struct mm_struct *mm = current->mm;
struct vm_area_struct *vma;