> On Sep 18, 2020, at 01:20, Bjorn Helgaas wrote:
>
> On Thu, Sep 10, 2020 at 07:51:05PM +, Derrick, Jonathan wrote:
>> On Thu, 2020-09-10 at 14:17 -0500, Bjorn Helgaas wrote:
>>> On Thu, Sep 10, 2020 at 06:52:48PM +, Derrick, Jonathan wrote:
On Thu, 2020-09-10 at 12:38 -0500,
On Thu, Sep 10, 2020 at 07:51:05PM +, Derrick, Jonathan wrote:
> On Thu, 2020-09-10 at 14:17 -0500, Bjorn Helgaas wrote:
> > On Thu, Sep 10, 2020 at 06:52:48PM +, Derrick, Jonathan wrote:
> > > On Thu, 2020-09-10 at 12:38 -0500, Bjorn Helgaas wrote:
> > > > On Thu, Sep 10, 2020 at
On Thu, 2020-09-10 at 14:17 -0500, Bjorn Helgaas wrote:
> On Thu, Sep 10, 2020 at 06:52:48PM +, Derrick, Jonathan wrote:
> > On Thu, 2020-09-10 at 12:38 -0500, Bjorn Helgaas wrote:
> > > On Thu, Sep 10, 2020 at 04:33:39PM +, Derrick, Jonathan wrote:
> > > > On Wed, 2020-09-09 at 20:55
On Thu, Sep 10, 2020 at 06:52:48PM +, Derrick, Jonathan wrote:
> On Thu, 2020-09-10 at 12:38 -0500, Bjorn Helgaas wrote:
> > On Thu, Sep 10, 2020 at 04:33:39PM +, Derrick, Jonathan wrote:
> > > On Wed, 2020-09-09 at 20:55 -0500, Bjorn Helgaas wrote:
> > > > On Fri, Aug 21, 2020 at
On Thu, Sep 10, 2020 at 04:33:39PM +, Derrick, Jonathan wrote:
> On Wed, 2020-09-09 at 20:55 -0500, Bjorn Helgaas wrote:
> > On Fri, Aug 21, 2020 at 08:32:20PM +0800, Kai-Heng Feng wrote:
> > > New Intel laptops with VMD cannot reach deeper power saving state,
> > > renders very short battery
Hi Bjorn
On Wed, 2020-09-09 at 20:55 -0500, Bjorn Helgaas wrote:
> [+cc Saheed]
>
> On Fri, Aug 21, 2020 at 08:32:20PM +0800, Kai-Heng Feng wrote:
> > New Intel laptops with VMD cannot reach deeper power saving state,
> > renders very short battery time.
> >
> > As BIOS may not be able to
[+cc Saheed]
On Fri, Aug 21, 2020 at 08:32:20PM +0800, Kai-Heng Feng wrote:
> New Intel laptops with VMD cannot reach deeper power saving state,
> renders very short battery time.
>
> As BIOS may not be able to program the config space for devices under
> VMD domain, ASPM needs to be programmed
On Wed, Sep 02, 2020 at 01:48:19PM -0600, David Fugate wrote:
> Over the years, I've been forwarded numerous emails from VMD customers
> praising it's ability to prevent Linux kernel panics upon hot-removals
> and inserts of U.2 NVMe drives.
The same nvme and pcie hotplug drivers are used with
On Tue, 2020-08-25 at 07:56 +0100, Christoph Hellwig wrote:
> while adding absolutely no value. Basically we have to add a large
> chunk of kernel code just to undo silicone/firmware Intel added to
> their
> platform to make things complicated. I mean it is their platform and
> if
> they want a
On Thu, Aug 27, 2020 at 05:49:40PM +, Limonciello, Mario wrote:
> Can you further elaborate what exactly you're wanting here? VMD
> enable/disable
> is something that is configured in firmware setup as the firmware does the
> early
> configuration for the silicon related to it. So it's up
On Thu, Aug 27, 2020 at 02:33:56PM -0700, Dan Williams wrote:
> > Just a few benefits and there are other users with unique use cases:
> > 1. Passthrough of the endpoint to OSes which don't natively support
> > hotplug can enable hotplug for that OS using the guest VMD driver
> > 2. Some
On Thu, Aug 27, 2020 at 9:46 AM Derrick, Jonathan
wrote:
>
> On Thu, 2020-08-27 at 17:23 +0100, h...@infradead.org wrote:
> > On Thu, Aug 27, 2020 at 04:13:44PM +, Derrick, Jonathan wrote:
> > > On Thu, 2020-08-27 at 06:34 +, h...@infradead.org wrote:
> > > > On Wed, Aug 26, 2020 at
> > I don't see the purpose of this line of discussion. VMD has been in the
> > kernel for 5 years. We are constantly working on better support.
>
> Please just work with the platform people to allow the host to disable
> VMD. That is the only really useful value add here.
Can you further
On Thu, Aug 27, 2020 at 04:45:53PM +, Derrick, Jonathan wrote:
> Just a few benefits and there are other users with unique use cases:
> 1. Passthrough of the endpoint to OSes which don't natively support
> hotplug can enable hotplug for that OS using the guest VMD driver
Or they could just
On Thu, 2020-08-27 at 17:23 +0100, h...@infradead.org wrote:
> On Thu, Aug 27, 2020 at 04:13:44PM +, Derrick, Jonathan wrote:
> > On Thu, 2020-08-27 at 06:34 +, h...@infradead.org wrote:
> > > On Wed, Aug 26, 2020 at 09:43:27PM +, Derrick, Jonathan wrote:
> > > > Feel free to review my
On Thu, Aug 27, 2020 at 04:13:44PM +, Derrick, Jonathan wrote:
> On Thu, 2020-08-27 at 06:34 +, h...@infradead.org wrote:
> > On Wed, Aug 26, 2020 at 09:43:27PM +, Derrick, Jonathan wrote:
> > > Feel free to review my set to disable the MSI remapping which will
> > > make
> > > it
On Thu, 2020-08-27 at 06:34 +, h...@infradead.org wrote:
> On Wed, Aug 26, 2020 at 09:43:27PM +, Derrick, Jonathan wrote:
> > Feel free to review my set to disable the MSI remapping which will
> > make
> > it perform as well as direct-attached:
> >
> >
On Wed, Aug 26, 2020 at 09:43:27PM +, Derrick, Jonathan wrote:
> Feel free to review my set to disable the MSI remapping which will make
> it perform as well as direct-attached:
>
> https://patchwork.kernel.org/project/linux-pci/list/?series=325681
So that then we have to deal with your
On Tue, 2020-08-25 at 06:23 +, Christoph Hellwig wrote:
> On Fri, Aug 21, 2020 at 08:32:20PM +0800, Kai-Heng Feng wrote:
> > New Intel laptops with VMD cannot reach deeper power saving state,
> > renders very short battery time.
>
> So what about just disabling VMD given how bloody pointless
> On Aug 25, 2020, at 14:56, Christoph Hellwig wrote:
>
> On Tue, Aug 25, 2020 at 02:39:55PM +0800, Kai Heng Feng wrote:
>> Hi Christoph,
>>
>>> On Aug 25, 2020, at 2:23 PM, Christoph Hellwig wrote:
>>>
>>> On Fri, Aug 21, 2020 at 08:32:20PM +0800, Kai-Heng Feng wrote:
New Intel
On Tue, Aug 25, 2020 at 02:39:55PM +0800, Kai Heng Feng wrote:
> Hi Christoph,
>
> > On Aug 25, 2020, at 2:23 PM, Christoph Hellwig wrote:
> >
> > On Fri, Aug 21, 2020 at 08:32:20PM +0800, Kai-Heng Feng wrote:
> >> New Intel laptops with VMD cannot reach deeper power saving state,
> >> renders
Hi Christoph,
> On Aug 25, 2020, at 2:23 PM, Christoph Hellwig wrote:
>
> On Fri, Aug 21, 2020 at 08:32:20PM +0800, Kai-Heng Feng wrote:
>> New Intel laptops with VMD cannot reach deeper power saving state,
>> renders very short battery time.
>
> So what about just disabling VMD given how
On Fri, Aug 21, 2020 at 08:32:20PM +0800, Kai-Heng Feng wrote:
> New Intel laptops with VMD cannot reach deeper power saving state,
> renders very short battery time.
So what about just disabling VMD given how bloody pointless it is?
Hasn't anyone learned from the AHCI remapping debacle?
I'm
Hi,
On Fri, Aug 21, 2020 at 08:32:20PM +0800, Kai-Heng Feng wrote:
> New Intel laptops with VMD cannot reach deeper power saving state,
> renders very short battery time.
>
> As BIOS may not be able to program the config space for devices under
> VMD domain, ASPM needs to be programmed manually
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