diff options
Diffstat (limited to 'arch/sparc64/kernel/ptrace.c')
| -rw-r--r-- | arch/sparc64/kernel/ptrace.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/sparc64/kernel/ptrace.c b/arch/sparc64/kernel/ptrace.c index 81111a12f0a8..d4af13166ef8 100644 --- a/arch/sparc64/kernel/ptrace.c +++ b/arch/sparc64/kernel/ptrace.c @@ -127,6 +127,8 @@ void flush_ptrace_access(struct vm_area_struct *vma, struct page *page, if (tlb_type == hypervisor) return; + preempt_disable(); + #ifdef DCACHE_ALIASING_POSSIBLE /* If bit 13 of the kernel address we used to access the * user page is the same as the virtual address that page @@ -165,6 +167,8 @@ void flush_ptrace_access(struct vm_area_struct *vma, struct page *page, for (; start < end; start += icache_line_size) flushi(start); } + + preempt_enable(); } asmlinkage void do_ptrace(struct pt_regs *regs) |