Sometimes you might want to use MAP_POPULATE to ask a device driver to
initialize the device memory in some specific manner. SGX driver can use
this to request more memory by issuing ENCLS[EAUG] x86 opcode for each
page in the address range.
Add f_ops->populate() with the same parameters as
On Sun, Mar 06, 2022 at 06:25:52AM +0200, Jarkko Sakkinen wrote:
> > Are you deliberately avoiding the question? I'm not asking about
> > implementation. I'm asking about the semantics of MAP_POPULATE with
> > your driver.
>
> No. I just noticed a bug in the guard from your comment that I
On Sun, Mar 06, 2022 at 04:19:26AM +, Matthew Wilcox wrote:
> On Sun, Mar 06, 2022 at 06:11:21AM +0200, Jarkko Sakkinen wrote:
> > On Sun, Mar 06, 2022 at 03:52:12AM +, Matthew Wilcox wrote:
> > > On Sun, Mar 06, 2022 at 05:21:11AM +0200, Jarkko Sakkinen wrote:
> > > > On Sun, Mar 06, 2022
On Sun, Mar 06, 2022 at 06:11:21AM +0200, Jarkko Sakkinen wrote:
> On Sun, Mar 06, 2022 at 03:52:12AM +, Matthew Wilcox wrote:
> > On Sun, Mar 06, 2022 at 05:21:11AM +0200, Jarkko Sakkinen wrote:
> > > On Sun, Mar 06, 2022 at 02:57:55AM +, Matthew Wilcox wrote:
> > > > On Sun, Mar 06, 2022
On Sun, Mar 06, 2022 at 03:52:12AM +, Matthew Wilcox wrote:
> On Sun, Mar 06, 2022 at 05:21:11AM +0200, Jarkko Sakkinen wrote:
> > On Sun, Mar 06, 2022 at 02:57:55AM +, Matthew Wilcox wrote:
> > > On Sun, Mar 06, 2022 at 04:15:33AM +0200, Jarkko Sakkinen wrote:
> > > > Sometimes you might
On Sun, Mar 06, 2022 at 05:21:11AM +0200, Jarkko Sakkinen wrote:
> On Sun, Mar 06, 2022 at 02:57:55AM +, Matthew Wilcox wrote:
> > On Sun, Mar 06, 2022 at 04:15:33AM +0200, Jarkko Sakkinen wrote:
> > > Sometimes you might want to use MAP_POPULATE to ask a device driver to
> > > initialize the
On Sun, Mar 06, 2022 at 02:57:55AM +, Matthew Wilcox wrote:
> On Sun, Mar 06, 2022 at 04:15:33AM +0200, Jarkko Sakkinen wrote:
> > Sometimes you might want to use MAP_POPULATE to ask a device driver to
> > initialize the device memory in some specific manner. SGX driver can use
> > this to
On Sun, Mar 06, 2022 at 04:15:33AM +0200, Jarkko Sakkinen wrote:
> Sometimes you might want to use MAP_POPULATE to ask a device driver to
> initialize the device memory in some specific manner. SGX driver can use
> this to request more memory by issuing ENCLS[EAUG] x86 opcode for each
> page in
Sometimes you might want to use MAP_POPULATE to ask a device driver to
initialize the device memory in some specific manner. SGX driver can use
this to request more memory by issuing ENCLS[EAUG] x86 opcode for each
page in the address range.
Add f_ops->populate() with the same parameters as
