Re: [PATCH] Fix atomicity of TIF update in flush_thread() for x86_64

2007-03-08 Thread Mathieu Desnoyers
* David Miller ([EMAIL PROTECTED]) wrote: > From: Mathieu Desnoyers <[EMAIL PROTECTED]> > Date: Thu, 8 Mar 2007 21:15:53 -0500 > > > Fix atomicity of TIF update in flush_thread() for x86_64 > > > > Race : > > > > parent process executing : > > sys_ptrace() > > (lock_kernel()) > >

Re: [PATCH] Fix atomicity of TIF update in flush_thread() for x86_64

2007-03-08 Thread David Miller
From: Mathieu Desnoyers <[EMAIL PROTECTED]> Date: Thu, 8 Mar 2007 21:15:53 -0500 > Fix atomicity of TIF update in flush_thread() for x86_64 > > Race : > > parent process executing : > sys_ptrace() > (lock_kernel()) > (ptrace_get_task_struct(pid)) > arch_ptrace() >ptrace_detach() >

[PATCH] Fix atomicity of TIF update in flush_thread() for x86_64

2007-03-08 Thread Mathieu Desnoyers
Fix atomicity of TIF update in flush_thread() for x86_64 Race : parent process executing : sys_ptrace() (lock_kernel()) (ptrace_get_task_struct(pid)) arch_ptrace() ptrace_detach() ptrace_disable(child); clear_singlestep(child); clear_tsk_thread_flag(child,

[PATCH] Fix atomicity of TIF update in flush_thread() for x86_64

2007-03-08 Thread Mathieu Desnoyers
Fix atomicity of TIF update in flush_thread() for x86_64 Race : parent process executing : sys_ptrace() (lock_kernel()) (ptrace_get_task_struct(pid)) arch_ptrace() ptrace_detach() ptrace_disable(child); clear_singlestep(child); clear_tsk_thread_flag(child,

Re: [PATCH] Fix atomicity of TIF update in flush_thread() for x86_64

2007-03-08 Thread David Miller
From: Mathieu Desnoyers [EMAIL PROTECTED] Date: Thu, 8 Mar 2007 21:15:53 -0500 Fix atomicity of TIF update in flush_thread() for x86_64 Race : parent process executing : sys_ptrace() (lock_kernel()) (ptrace_get_task_struct(pid)) arch_ptrace() ptrace_detach()

Re: [PATCH] Fix atomicity of TIF update in flush_thread() for x86_64

2007-03-08 Thread Mathieu Desnoyers
* David Miller ([EMAIL PROTECTED]) wrote: From: Mathieu Desnoyers [EMAIL PROTECTED] Date: Thu, 8 Mar 2007 21:15:53 -0500 Fix atomicity of TIF update in flush_thread() for x86_64 Race : parent process executing : sys_ptrace() (lock_kernel()) (ptrace_get_task_struct(pid))