On Wed, Sep 30, 2020 at 08:11:28PM +, Edgecombe, Rick P wrote:
> On Wed, 2020-09-30 at 13:35 +0300, Mike Rapoport wrote:
> >
> > Our thinking was that copy_*user() would work in the context of the
> > process that "owns" the secretmem and gup() would not allow access in
> > general, unless
On Wed, 2020-09-30 at 13:35 +0300, Mike Rapoport wrote:
> On Tue, Sep 29, 2020 at 08:06:03PM +, Edgecombe, Rick P wrote:
> > On Tue, 2020-09-29 at 16:06 +0300, Mike Rapoport wrote:
> > > On Tue, Sep 29, 2020 at 04:58:44AM +, Edgecombe, Rick P
> > > wrote:
> > > > On Thu, 2020-09-24 at
On Tue, Sep 29, 2020 at 08:06:03PM +, Edgecombe, Rick P wrote:
> On Tue, 2020-09-29 at 16:06 +0300, Mike Rapoport wrote:
> > On Tue, Sep 29, 2020 at 04:58:44AM +, Edgecombe, Rick P wrote:
> > > On Thu, 2020-09-24 at 16:29 +0300, Mike Rapoport wrote:
> > > > Introduce "memfd_secret" system
On Tue, 2020-09-29 at 16:06 +0300, Mike Rapoport wrote:
> On Tue, Sep 29, 2020 at 04:58:44AM +, Edgecombe, Rick P wrote:
> > On Thu, 2020-09-24 at 16:29 +0300, Mike Rapoport wrote:
> > > Introduce "memfd_secret" system call with the ability to create
> > > memory
> > > areas visible only in
On Tue, Sep 29, 2020 at 04:58:44AM +, Edgecombe, Rick P wrote:
> On Thu, 2020-09-24 at 16:29 +0300, Mike Rapoport wrote:
> > Introduce "memfd_secret" system call with the ability to create
> > memory
> > areas visible only in the context of the owning process and not
> > mapped not
> > only to
On Thu, 2020-09-24 at 16:29 +0300, Mike Rapoport wrote:
> Introduce "memfd_secret" system call with the ability to create
> memory
> areas visible only in the context of the owning process and not
> mapped not
> only to other processes but in the kernel page tables as well.
>
> The user will
From: Mike Rapoport
Introduce "memfd_secret" system call with the ability to create memory
areas visible only in the context of the owning process and not mapped not
only to other processes but in the kernel page tables as well.
The user will create a file descriptor using the memfd_secret()
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