On Wed, May 07, 2025 at 08:40:37AM +0200, Viktor Malik wrote: > Define a pagefault lock guard which allows to simplify functions that > need to disable page faults. > > Signed-off-by: Viktor Malik <vmalik@xxxxxxxxxx> > --- > include/linux/uaccess.h | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/include/linux/uaccess.h b/include/linux/uaccess.h > index 7c06f4795670..1beb5b395d81 100644 > --- a/include/linux/uaccess.h > +++ b/include/linux/uaccess.h > @@ -296,6 +296,8 @@ static inline bool pagefault_disabled(void) > */ > #define faulthandler_disabled() (pagefault_disabled() || in_atomic()) > > +DEFINE_LOCK_GUARD_0(pagefault, pagefault_disable(), pagefault_enable()) I can't help but mention that naming this scope-based cleanup helper `pagefault` just seems overly ambiguous. That's just me though...
