Re: [PATCH v3 4/5] mm: Add a NO_INHERIT flag to the PR_SET_MDWE prctl

From: Florent Revest
Date: Mon Aug 28 2023 - 10:47:56 EST


On Sun, Aug 27, 2023 at 3:10 PM Catalin Marinas <catalin.marinas@xxxxxxx> wrote:
>
> On Tue, Jul 04, 2023 at 05:36:28PM +0200, Florent Revest wrote:
> > @@ -2384,9 +2406,7 @@ static inline int prctl_get_mdwe(unsigned long arg2, unsigned long arg3,
> > {
> > if (arg2 || arg3 || arg4 || arg5)
> > return -EINVAL;
> > -
> > - return test_bit(MMF_HAS_MDWE, &current->mm->flags) ?
> > - PR_MDWE_REFUSE_EXEC_GAIN : 0;
> > + return (int)get_current_mdwe();
>
> Nitpick: the type conversion should be handled by the compiler as
> prctl_get_mdwe() returns an int already.

Ah yes. Not sure why I added this one... :) thank you!