On 6/12/19 1:23 PM, Christoph Hellwig wrote:
On Wed, Jun 12, 2019 at 08:42:37AM +0200, Thomas Hellström (VMware) wrote:
From: Thomas Hellstrom
Add two utilities to a) write-protect and b) clean all ptes pointing into
a range of an address space.
The utilities are intended to aid in tracking di
On Wed, Jun 12, 2019 at 04:23:50AM -0700, Christoph Hellwig wrote:
> friends. Also in general new core functionality like this should go
> along with the actual user, we don't need to repeat the hmm disaster.
Ok, I see you actually did that, it just got hidden by the awful
selective cc stuff a lo
On Wed, Jun 12, 2019 at 08:42:37AM +0200, Thomas Hellström (VMware) wrote:
> From: Thomas Hellstrom
>
> Add two utilities to a) write-protect and b) clean all ptes pointing into
> a range of an address space.
> The utilities are intended to aid in tracking dirty pages (either
> driver-allocated s
From: Thomas Hellstrom
Add two utilities to a) write-protect and b) clean all ptes pointing into
a range of an address space.
The utilities are intended to aid in tracking dirty pages (either
driver-allocated system memory or pci device memory).
The write-protect utility should be used in conjunc