All of lore.kernel.org
 help / color / mirror / Atom feed
From: Michael Ellerman <mpe@ellerman.id.au>
To: Stephen Rothwell <sfr@canb.auug.org.au>,
	Oliver O'Halloran <oohall@gmail.com>
Cc: linuxppc-dev@lists.ozlabs.org, arbab@linux.vnet.ibm.com,
	linux-nvdimm@lists.01.org
Subject: Re: [PATCH 6/9] powerpc, mm: Enable ZONE_DEVICE on powerpc
Date: Wed, 12 Apr 2017 12:03:47 +1000	[thread overview]
Message-ID: <87h91uv0u4.fsf@concordia.ellerman.id.au> (raw)
In-Reply-To: <20170412104337.535c5abb@canb.auug.org.au>

Stephen Rothwell <sfr@canb.auug.org.au> writes:

> Hi Oliver,
>
> On Wed, 12 Apr 2017 03:42:30 +1000 Oliver O'Halloran <oohall@gmail.com> wrote:
>>
>> Flip the switch. Running around and screaming "IT'S ALIVE" is optional,
>> but recommended.
>> 
>> Signed-off-by: Oliver O'Halloran <oohall@gmail.com>
>> ---
>>  mm/Kconfig | 2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>> 
>> diff --git a/mm/Kconfig b/mm/Kconfig
>> index 43d000e44424..d696af58f97f 100644
>> --- a/mm/Kconfig
>> +++ b/mm/Kconfig
>> @@ -724,7 +724,7 @@ config ZONE_DEVICE
>>  	depends on MEMORY_HOTPLUG
>>  	depends on MEMORY_HOTREMOVE
>>  	depends on SPARSEMEM_VMEMMAP
>> -	depends on X86_64 #arch_add_memory() comprehends device memory
>> +	depends on (X86_64 || PPC_BOOK3S_64)  #arch_add_memory() comprehends device memory
>>  
>
> That's fine, but at what point do we create
> CONFIG_ARCH_HAVE_ZONE_DEVICE, replace the "depends on
> <archs/platforms>" above with "depends on ARCH_HAVE_ZONE_DEVICE" and
> select that from the appropriate places?

You mean CONFIG_HAVE_ZONE_DEVICE :)

A patch to do that, and update x86, would be a good precursor to this
series. It could probably go in right now, and be in place for when this
series lands.

cheers
_______________________________________________
Linux-nvdimm mailing list
Linux-nvdimm@lists.01.org
https://lists.01.org/mailman/listinfo/linux-nvdimm

WARNING: multiple messages have this Message-ID (diff)
From: Michael Ellerman <mpe@ellerman.id.au>
To: Stephen Rothwell <sfr@canb.auug.org.au>,
	Oliver O'Halloran <oohall@gmail.com>
Cc: linuxppc-dev@lists.ozlabs.org, arbab@linux.vnet.ibm.com,
	linux-nvdimm@lists.01.org
Subject: Re: [PATCH 6/9] powerpc, mm: Enable ZONE_DEVICE on powerpc
Date: Wed, 12 Apr 2017 12:03:47 +1000	[thread overview]
Message-ID: <87h91uv0u4.fsf@concordia.ellerman.id.au> (raw)
In-Reply-To: <20170412104337.535c5abb@canb.auug.org.au>

Stephen Rothwell <sfr@canb.auug.org.au> writes:

> Hi Oliver,
>
> On Wed, 12 Apr 2017 03:42:30 +1000 Oliver O'Halloran <oohall@gmail.com> wrote:
>>
>> Flip the switch. Running around and screaming "IT'S ALIVE" is optional,
>> but recommended.
>> 
>> Signed-off-by: Oliver O'Halloran <oohall@gmail.com>
>> ---
>>  mm/Kconfig | 2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>> 
>> diff --git a/mm/Kconfig b/mm/Kconfig
>> index 43d000e44424..d696af58f97f 100644
>> --- a/mm/Kconfig
>> +++ b/mm/Kconfig
>> @@ -724,7 +724,7 @@ config ZONE_DEVICE
>>  	depends on MEMORY_HOTPLUG
>>  	depends on MEMORY_HOTREMOVE
>>  	depends on SPARSEMEM_VMEMMAP
>> -	depends on X86_64 #arch_add_memory() comprehends device memory
>> +	depends on (X86_64 || PPC_BOOK3S_64)  #arch_add_memory() comprehends device memory
>>  
>
> That's fine, but at what point do we create
> CONFIG_ARCH_HAVE_ZONE_DEVICE, replace the "depends on
> <archs/platforms>" above with "depends on ARCH_HAVE_ZONE_DEVICE" and
> select that from the appropriate places?

You mean CONFIG_HAVE_ZONE_DEVICE :)

A patch to do that, and update x86, would be a good precursor to this
series. It could probably go in right now, and be in place for when this
series lands.

cheers

  reply	other threads:[~2017-04-12  2:03 UTC|newest]

Thread overview: 65+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-11 17:42 ZONE_DEVICE and pmem API support for powerpc Oliver O'Halloran
2017-04-11 17:42 ` Oliver O'Halloran
2017-04-11 17:42 ` [PATCH 1/9] mm/huge_memory: Use zap_deposited_table() more Oliver O'Halloran
2017-04-11 17:42   ` Oliver O'Halloran
2017-04-11 17:42   ` Oliver O'Halloran
2017-04-12  5:44   ` Aneesh Kumar K.V
2017-04-12  5:44     ` Aneesh Kumar K.V
2017-04-18 21:35   ` David Rientjes
2017-04-18 21:35     ` David Rientjes
2017-04-11 17:42 ` [PATCH 2/9] mm/huge_memory: Deposit a pgtable for DAX PMD faults when required Oliver O'Halloran
2017-04-11 17:42   ` Oliver O'Halloran
2017-04-11 17:42   ` Oliver O'Halloran
2017-04-12  5:51   ` Aneesh Kumar K.V
2017-04-12  5:51     ` Aneesh Kumar K.V
2017-04-12  5:51     ` Aneesh Kumar K.V
2017-04-11 17:42 ` [PATCH 3/9] powerpc/mm: Add _PAGE_DEVMAP for ppc64 Oliver O'Halloran
2017-04-11 17:42   ` Oliver O'Halloran
2017-04-12  0:19   ` Stephen Rothwell
2017-04-12  0:19     ` Stephen Rothwell
2017-04-12  3:07     ` Aneesh Kumar K.V
2017-04-12  3:07       ` Aneesh Kumar K.V
2017-04-13  5:20   ` Aneesh Kumar K.V
2017-04-13  5:20     ` Aneesh Kumar K.V
2017-04-11 17:42 ` [PATCH 4/9] powerpc/mm: Reshuffle vmemmap_free() Oliver O'Halloran
2017-04-11 17:42   ` Oliver O'Halloran
2017-04-12  0:33   ` Stephen Rothwell
2017-04-12  0:33     ` Stephen Rothwell
2017-04-11 17:42 ` [PATCH 5/9] powerpc/vmemmap: Add altmap support Oliver O'Halloran
2017-04-11 17:42   ` Oliver O'Halloran
2017-04-12  0:24   ` Balbir Singh
2017-04-12  0:24     ` Balbir Singh
2017-04-11 17:42 ` [PATCH 6/9] powerpc, mm: Enable ZONE_DEVICE on powerpc Oliver O'Halloran
2017-04-11 17:42   ` Oliver O'Halloran
2017-04-12  0:25   ` Balbir Singh
2017-04-12  0:25     ` Balbir Singh
2017-04-12  0:43   ` Stephen Rothwell
2017-04-12  0:43     ` Stephen Rothwell
2017-04-12  2:03     ` Michael Ellerman [this message]
2017-04-12  2:03       ` Michael Ellerman
2017-04-11 17:42 ` [PATCH 7/9] powerpc/mm: Wire up ioremap_cache Oliver O'Halloran
2017-04-11 17:42   ` Oliver O'Halloran
2017-04-23 11:53   ` [7/9] " Michael Ellerman
2017-04-23 11:53     ` Michael Ellerman
2017-04-11 17:42 ` [PATCH 8/9] powerpc/mm: Wire up hpte_removebolted for powernv Oliver O'Halloran
2017-04-11 17:42   ` Oliver O'Halloran
     [not found]   ` <20170411174233.21902-9-oohall-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2017-04-11 22:50     ` Anton Blanchard
2017-04-11 22:50       ` Anton Blanchard
2017-04-12  0:18       ` Stephen Rothwell
2017-04-12  0:18         ` Stephen Rothwell
2017-04-12  3:30         ` Rashmica Gupta
2017-04-12  3:30           ` Rashmica Gupta
2017-04-12  1:53   ` Balbir Singh
2017-04-12  1:53     ` Balbir Singh
2017-04-13  4:21     ` Oliver O'Halloran
2017-04-13  4:21       ` Oliver O'Halloran
2017-04-13 10:10       ` Michael Ellerman
2017-04-13 10:10         ` Michael Ellerman
2017-04-11 17:42 ` [PATCH 9/9] powerpc: Add pmem API support Oliver O'Halloran
2017-04-11 17:42   ` Oliver O'Halloran
2017-04-11 18:22 ` ZONE_DEVICE and pmem API support for powerpc Dan Williams
2017-04-11 18:22   ` Dan Williams
2017-04-12  9:14   ` Oliver O'Halloran
2017-04-12  9:14     ` Oliver O'Halloran
2017-04-12  1:10 ` Stephen Rothwell
2017-04-12  1:10   ` Stephen Rothwell

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=87h91uv0u4.fsf@concordia.ellerman.id.au \
    --to=mpe@ellerman.id.au \
    --cc=arbab@linux.vnet.ibm.com \
    --cc=linux-nvdimm@lists.01.org \
    --cc=linuxppc-dev@lists.ozlabs.org \
    --cc=oohall@gmail.com \
    --cc=sfr@canb.auug.org.au \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.