On Thu, Jul 19, 2007 at 05:42:38PM -0700, Andrew Morton wrote: > On Sun, 8 Jul 2007 22:55:08 -0300 > Diego Woitasen <[EMAIL PROTECTED]> wrote: > > > Signed-off-by: Diego Woitasen <[EMAIL PROTECTED]> > > --- > > arch/i386/kernel/ldt.c | 2 +- > > arch/x86_64/kernel/ldt.c | 2 +- > > 2 files changed, 2 insertions(+), 2 deletions(-) > > > > diff --git a/arch/i386/kernel/ldt.c b/arch/i386/kernel/ldt.c > > index e0b2d17..c2eb4fb 100644 > > --- a/arch/i386/kernel/ldt.c > > +++ b/arch/i386/kernel/ldt.c > > @@ -96,7 +96,7 @@ int init_new_context(struct task_struct *tsk, struct > > mm_struct *mm) > > > > init_MUTEX(&mm->context.sem); > > mm->context.size = 0; > > - old_mm = current->mm; > > + old_mm = tsk->mm; > > if (old_mm && old_mm->context.size > 0) { > > down(&old_mm->context.sem); > > retval = copy_ldt(&mm->context, &old_mm->context); > > diff --git a/arch/x86_64/kernel/ldt.c b/arch/x86_64/kernel/ldt.c > > index bc9ffd5..99a92ed 100644 > > --- a/arch/x86_64/kernel/ldt.c > > +++ b/arch/x86_64/kernel/ldt.c > > @@ -100,7 +100,7 @@ int init_new_context(struct task_struct *tsk, struct > > mm_struct *mm) > > > > init_MUTEX(&mm->context.sem); > > mm->context.size = 0; > > - old_mm = current->mm; > > + old_mm = tsk->mm; > > if (old_mm && old_mm->context.size > 0) { > > down(&old_mm->context.sem); > > retval = copy_ldt(&mm->context, &old_mm->context); > > > When called from dup_mm(), `tsk' refers to the new task and `current' > refers to the old one. I'd have expected this to crash during your testing? > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to [EMAIL PROTECTED] > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/
Yes, sorry... that patch is bad. Now my question is, why all architectures have the task argument and neither use it? I undertand now that init_new_context() work with current but what about the *tsk arg. -- -------------- Diego Woitasen - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/