On Wed, Mar 24, 2021 at 09:17:01AM -0700, Jacob Pan wrote:
> I didn't mean the users of misc_cgroup will use css directly. I meant if I
> want to use misc cgruop in ioasid.c, I have to do the following to avoid
> undefined css:
> #include
> #include
>
> So it might be simpler if you do #include
Hi Vipin,
On Mon, 22 Mar 2021 11:54:39 -0700, Vipin Sharma wrote:
> On Fri, Mar 19, 2021 at 02:28:01PM -0700, Jacob Pan wrote:
> > On Thu, 4 Mar 2021 15:19:45 -0800, Vipin Sharma
> > wrote:
> > > +#ifndef _MISC_CGROUP_H_
> > > +#define _MISC_CGROUP_H_
> > > +
> > nit: should you do
On Fri, Mar 19, 2021 at 02:28:01PM -0700, Jacob Pan wrote:
> On Thu, 4 Mar 2021 15:19:45 -0800, Vipin Sharma wrote:
> > +#ifndef _MISC_CGROUP_H_
> > +#define _MISC_CGROUP_H_
> > +
> nit: should you do #include ?
> Otherwise, css may be undefined.
User of this controller will use
Hi Vipin,
On Thu, 4 Mar 2021 15:19:45 -0800, Vipin Sharma wrote:
> +/* SPDX-License-Identifier: GPL-2.0 */
> +/*
> + * Miscellaneous cgroup controller.
> + *
> + * Copyright 2020 Google LLC
> + * Author: Vipin Sharma
> + */
> +#ifndef _MISC_CGROUP_H_
> +#define _MISC_CGROUP_H_
> +
nit: should
On Fri, Mar 12, 2021 at 11:07:14AM -0800, Vipin Sharma
wrote:
> We should be fine without atomic64_t because we are using unsigned
> long and not 64 bit explicitly. This will work on both 32 and 64 bit
> machines.
I see.
> But I will add READ_ONCE and WRITE_ONCE because of potential chances of
On 3/12/21 2:51 PM, Sean Christopherson wrote:
On Fri, Mar 12, 2021, Vipin Sharma wrote:
On Thu, Mar 11, 2021 at 07:59:03PM +0100, Michal Koutný wrote:
+#ifndef CONFIG_KVM_AMD_SEV
+/*
+ * When this config is not defined, SEV feature is not supported and APIs in
+ * this file are not used but
On Fri, Mar 12, 2021, Vipin Sharma wrote:
> On Thu, Mar 11, 2021 at 07:59:03PM +0100, Michal Koutný wrote:
> > > +#ifndef CONFIG_KVM_AMD_SEV
> > > +/*
> > > + * When this config is not defined, SEV feature is not supported and
> > > APIs in
> > > + * this file are not used but this file still
On Thu, Mar 11, 2021 at 07:59:03PM +0100, Michal Koutný wrote:
> > +#ifndef CONFIG_KVM_AMD_SEV
> > +/*
> > + * When this config is not defined, SEV feature is not supported and APIs
> > in
> > + * this file are not used but this file still gets compiled into the KVM
> > AMD
> > + * module.
> > +
On Thu, Mar 11, 2021 at 07:59:03PM +0100, Michal Koutný wrote:
> Given different two-fold nature (SEV caller vs misc controller) of some
> remarks below, I think it makes sense to split this into two patches:
> a) generic controller implementation,
> b) hooking the controller into SEV ASIDs
Hi Vipin.
On Thu, Mar 04, 2021 at 03:19:45PM -0800, Vipin Sharma
wrote:
> arch/x86/kvm/svm/sev.c| 65 +-
> arch/x86/kvm/svm/svm.h| 1 +
> include/linux/cgroup_subsys.h | 4 +
> include/linux/misc_cgroup.h | 130 +++
> init/Kconfig | 14 ++
>
The Miscellaneous cgroup provides the resource limiting and tracking
mechanism for the scalar resources which cannot be abstracted like the
other cgroup resources. Controller is enabled by the CONFIG_CGROUP_MISC
config option.
The first two resources added to the miscellaneous controller are
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