RE: [PATCH v6 3/4] iommufd: Add IOMMU_GET_HW_INFO

Liu, Yi L
2023-08-10T03:35:52Z

> From: Jason Gunthorpe <jgg@nvidia.com>
> Sent: Thursday, August 10, 2023 12:44 AM
>
> On Tue, Aug 08, 2023 at 08:35:09AM -0700, Yi Liu wrote:
> > +static int iommufd_zero_fill_user(void __user *ptr, size_t bytes)
> > +{
> > + int index = 0;
> > +
> > + for (; index < bytes; index++) {
> > + if (put_user(0, (uint8_t __user *)(ptr + index)))
> > + return -EFAULT;
> > + }
>
> I've recently learned this routine is spelled 'clear_user()'

I see. Will replace with it.

Regards,
Yi Liu