On Fri, Jan 20, 2023 at 02:41:05PM -0800, Dan Williams wrote:
>
> Which mode are you referring?
>
> The next steps for the kernel enabling relevant to this thread are:
>
> * ram region discovery (platform firmware or kexec established)
> * ram region creation
> * pmem region discovery (from
On Fri, 20 Jan 2023 14:41:05 -0800
Dan Williams wrote:
> Gregory Price wrote:
> > On Fri, Jan 20, 2023 at 09:38:13AM -0800, Dan Williams wrote:
> > > As it stands currently that dax device and the cxl device are not
> > > related since a default dax-device is loaded just based on the presence
Gregory Price wrote:
> On Fri, Jan 20, 2023 at 09:38:13AM -0800, Dan Williams wrote:
> > As it stands currently that dax device and the cxl device are not
> > related since a default dax-device is loaded just based on the presence
> > of an EFI_MEMORY_SP address range in the address map. With the
On Fri, Jan 20, 2023 at 09:38:13AM -0800, Dan Williams wrote:
> As it stands currently that dax device and the cxl device are not
> related since a default dax-device is loaded just based on the presence
> of an EFI_MEMORY_SP address range in the address map. With the new ram
> enabling that
Gregory Price wrote:
> On Thu, Jan 19, 2023 at 03:04:49PM +, Jonathan Cameron wrote:
> > Gregory, would you mind checking if
> > cxl_nvb is NULL here...
> > https://elixir.bootlin.com/linux/v6.2-rc4/source/drivers/cxl/pmem.c#L67
> > (printk before it is used should work).
> >
> > Might also
Jonathan Cameron wrote:
> On Thu, 19 Jan 2023 15:04:49 +
> Jonathan Cameron wrote:
>
> > On Thu, 19 Jan 2023 12:42:44 +
> > Jonathan Cameron via wrote:
> >
> > > On Wed, 18 Jan 2023 14:31:53 -0500
> > > Gregory Price wrote:
> > >
> > > > I apparently forgot an intro lol
> > > >
>
On Thu, 19 Jan 2023 23:53:53 -0500
Gregory Price wrote:
> On Thu, Jan 19, 2023 at 03:04:49PM +, Jonathan Cameron wrote:
> > Gregory, would you mind checking if
> > cxl_nvb is NULL here...
> > https://elixir.bootlin.com/linux/v6.2-rc4/source/drivers/cxl/pmem.c#L67
> > (printk before it is
On Thu, Jan 19, 2023 at 04:17:11PM +, Jonathan Cameron wrote:
>
> Whilst I still have no idea if this is the same problem, I have identified
> what goes wrong if there is a module probe ordering issue.
> https://elixir.bootlin.com/linux/v6.2-rc4/source/drivers/cxl/core/pmem.c#L306
>
>
On Thu, Jan 19, 2023 at 03:04:49PM +, Jonathan Cameron wrote:
> Gregory, would you mind checking if
> cxl_nvb is NULL here...
> https://elixir.bootlin.com/linux/v6.2-rc4/source/drivers/cxl/pmem.c#L67
> (printk before it is used should work).
>
> Might also be worth checking cxl_nvd and cxl_ds
On Thu, 19 Jan 2023 15:04:49 +
Jonathan Cameron wrote:
> On Thu, 19 Jan 2023 12:42:44 +
> Jonathan Cameron via wrote:
>
> > On Wed, 18 Jan 2023 14:31:53 -0500
> > Gregory Price wrote:
> >
> > > I apparently forgot an intro lol
> > >
> > > I tested the DOE linux branch with the
On Thu, 19 Jan 2023 12:42:44 +
Jonathan Cameron via wrote:
> On Wed, 18 Jan 2023 14:31:53 -0500
> Gregory Price wrote:
>
> > I apparently forgot an intro lol
> >
> > I tested the DOE linux branch with the 2023-1-11 QEMU branch with both
> > volatile, non-volatile, and "legacy"
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