On Tue, May 14, 2024 at 06:21:57PM -0700, Yuanchu Xie wrote:
> On Tue, May 14, 2024 at 9:06 AM Greg Kroah-Hartman
> wrote:
> >
> > On Mon, May 13, 2024 at 07:03:00PM -0700, Yuanchu Xie wrote:
> > > Memctl provides a way for the guest to control its physical memory
> > > properties, and enables
On Tue, May 14, 2024 at 9:06 AM Greg Kroah-Hartman
wrote:
>
> On Mon, May 13, 2024 at 07:03:00PM -0700, Yuanchu Xie wrote:
> > Memctl provides a way for the guest to control its physical memory
> > properties, and enables optimizations and security features. For
> > example, the guest can provide
On Mon, May 13, 2024 at 07:03:00PM -0700, Yuanchu Xie wrote:
> +/*
> + * Used for internal kernel memctl calls, i.e. to better support kernel
> stacks,
> + * or to efficiently zero hugetlb pages.
> + */
> +long memctl_vmm_call(__u64 func_code, __u64 addr, __u64 length, __u64 arg,
> +
On Mon, May 13, 2024 at 07:03:00PM -0700, Yuanchu Xie wrote:
> Memctl provides a way for the guest to control its physical memory
> properties, and enables optimizations and security features. For
> example, the guest can provide information to the host where parts of a
> hugepage may be unbacked,
Memctl provides a way for the guest to control its physical memory
properties, and enables optimizations and security features. For
example, the guest can provide information to the host where parts of a
hugepage may be unbacked, or sensitive data may not be swapped out, etc.
Memctl allows guests
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