[ My ears have been burning for a couple months regarding this thread
and I have finally had the chance to circle back and read through all
the discussion on PATCH 01/12 and this PATCH 08/12, pardon the latency
while I addressed some CXL backlog ]
Jason Gunthorpe wrote:
> On Mon, Jan 20, 202
Dan Williams wrote:
> Dave Jiang wrote:
> >
> >
> > On 2/22/24 7:58 AM, Marek Behún wrote:
> > > A few drivers register a devm action to remove a debugfs directory,
> > > implementing a one-liner function that calls debufs_remove_recursive().
Dave Jiang wrote:
>
>
> On 2/22/24 7:58 AM, Marek Behún wrote:
> > A few drivers register a devm action to remove a debugfs directory,
> > implementing a one-liner function that calls debufs_remove_recursive().
> > Help drivers avoid this repeated implementations by adding managed
> > version of
Matthew Wilcox wrote:
> On Mon, Jan 23, 2023 at 11:36:51AM -0800, Dan Williams wrote:
> > Jason Gunthorpe via Lsf-pc wrote:
> > > I would like to have a session at LSF to talk about Matthew's
> > > physr discussion starter:
> > >
> > &g
Jason Gunthorpe via Lsf-pc wrote:
> I would like to have a session at LSF to talk about Matthew's
> physr discussion starter:
>
> https://lore.kernel.org/linux-mm/ydykweu0htv8m...@casper.infradead.org/
>
> I have become interested in this with some immediacy because of
> IOMMUFD and this other d
Jason Gunthorpe wrote:
> On Thu, Oct 20, 2022 at 02:56:39PM -0700, Dan Williams wrote:
> > A 'struct dev_pagemap' (pgmap) represents a collection of ZONE_DEVICE
> > pages. The pgmap is a reference counted object that serves a similar
> > role as a 'struct
Felix Kuehling wrote:
> Am 2022-10-20 um 17:56 schrieb Dan Williams:
> > A 'struct dev_pagemap' (pgmap) represents a collection of ZONE_DEVICE
> > pages. The pgmap is a reference counted object that serves a similar
> > role as a 'struct request_queue'. Liv
: Christoph Hellwig
Cc: John Hubbard
Cc: Alistair Popple
Cc: Felix Kuehling
Cc: Alex Deucher
Cc: "Christian König"
Cc: "Pan, Xinhui"
Cc: David Airlie
Cc: Daniel Vetter
Cc: Ben Skeggs
Cc: Karol Herbst
Cc: Lyude Paul
Cc: "Jérôme Glisse"
Suggested-by: J
Alistair Popple wrote:
>
> Dan Williams writes:
>
> > Alistair Popple wrote:
> >>
> >> Jason Gunthorpe writes:
> >>
> >> > On Mon, Sep 26, 2022 at 04:03:06PM +1000, Alistair Popple wrote:
> >> >> Since 27674ef6c73f (&q
Alistair Popple wrote:
>
> Jason Gunthorpe writes:
>
> > On Mon, Sep 26, 2022 at 04:03:06PM +1000, Alistair Popple wrote:
> >> Since 27674ef6c73f ("mm: remove the extra ZONE_DEVICE struct page
> >> refcount") device private pages have no longer had an extra reference
> >> count when the page is
Christoph Hellwig wrote:
> On Wed, Sep 07, 2022 at 09:33:11AM -0300, Jason Gunthorpe wrote:
> > Yes, you said that, and I said that when the AMD driver first merged
> > it - but it went in anyhow and now people are using it in a bunch of
> > places.
>
> drm folks made up their own weird rules, if
[ add dri-devel and nouveau ]
Dan Williams wrote:
> The core of devm_request_free_mem_region() is a helper that searches for
> free space in iomem_resource and performs __request_region_locked() on
> the result of that search. The policy choices of the implementation
> con
.com/KSPP/linux/issues/78
> Build-tested-by:
> https://lore.kernel.org/lkml/62b675ec.wkx6aoz6cbe71vtf%25...@intel.com/
> Signed-off-by: Gustavo A. R. Silva
> ---
> Hi all!
>
> JFYI: I'm adding this to my -next tree. :)
>
[..]
> include/uapi/linux/ndctl.h| 10 +--
For ndctl.h
Acked-by: Dan Williams
ge cache.
This looks ok to me, and passes my tests. So given I'm still working
my way back to fixing the references properly I'm ok for this hack to
replace the more broken hack that is there presently.
Reviewed-by: Dan Williams
On Mon, Feb 7, 2022 at 3:49 PM Dan Williams wrote:
>
> On Sun, Feb 6, 2022 at 10:33 PM Christoph Hellwig wrote:
> >
> > Move the check for the actual pgmap types that need the free at refcount
> > one behavior into the out of line helper, and thus avoid the need to
>
Reviewed-by: Dan Williams
>
> Signed-off-by: Christoph Hellwig
> ---
> arch/arm64/mm/mmu.c| 1 +
> drivers/gpu/drm/amd/amdkfd/kfd_priv.h | 1 +
> drivers/gpu/drm/drm_cache.c| 2 +-
> drivers/gpu/drm/nouveau/nouveau_dmem.c | 1 +
> d
On Sun, Feb 6, 2022 at 10:33 PM Christoph Hellwig wrote:
>
> Make put_devmap_managed_page return if it took charge of the page
> or not and remove the separate page_is_devmap_managed helper.
Looks good to me:
Reviewed-by: Dan Williams
On Sun, Feb 6, 2022 at 10:33 PM Christoph Hellwig wrote:
>
> free_devmap_managed_page has nothing to do with the code in swap.c,
> move it to live with the rest of the code for devmap handling.
>
Looks good.
Reviewed-by: Dan Williams
On Sun, Feb 6, 2022 at 10:33 PM Christoph Hellwig wrote:
>
> __KERNEL__ ifdefs don't make sense outside of include/uapi/.
Yes.
Reviewed-by: Dan Williams
On Sun, Feb 6, 2022 at 10:33 PM Christoph Hellwig wrote:
>
> memremap.c is only built when CONFIG_ZONE_DEVICE is set, so remove
> the superflous extra check.
Looks good to me.
Reviewed-by: Dan Williams
On Wed, Oct 20, 2021 at 10:09 AM Joao Martins wrote:
>
> On 10/19/21 20:21, Dan Williams wrote:
> > On Tue, Oct 19, 2021 at 9:02 AM Jason Gunthorpe wrote:
> >>
> >> On Tue, Oct 19, 2021 at 04:13:34PM +0100, Joao Martins wrote:
> >>> On 10/19/21 00:06, Ja
On Tue, Oct 19, 2021 at 9:02 AM Jason Gunthorpe wrote:
>
> On Tue, Oct 19, 2021 at 04:13:34PM +0100, Joao Martins wrote:
> > On 10/19/21 00:06, Jason Gunthorpe wrote:
> > > On Mon, Oct 18, 2021 at 12:37:30PM -0700, Dan Williams wrote:
> > >
> > >>>
On Mon, Oct 18, 2021 at 11:26 AM Jason Gunthorpe wrote:
>
> On Sun, Oct 17, 2021 at 11:35:35AM -0700, Dan Williams wrote:
>
> > > DAX is stuffing arrays of 4k pages into the PUD/PMDs. Aligning with
> > > THP would make using normal refconting much simpler. I looked at
On Sat, Oct 16, 2021 at 8:45 AM Jason Gunthorpe wrote:
>
> On Thu, Oct 14, 2021 at 06:37:35PM -0700, Dan Williams wrote:
> > On Thu, Oct 14, 2021 at 4:06 PM Jason Gunthorpe wrote:
> > >
> > > On Thu, Oct 14, 2021 at 12:01:14PM -0700, Dan Williams wrote:
> > &g
On Sat, Oct 16, 2021 at 9:39 AM Matthew Wilcox wrote:
>
> On Sat, Oct 16, 2021 at 12:44:50PM -0300, Jason Gunthorpe wrote:
> > Assuming changing FSDAX is hard.. How would DAX people feel about just
> > deleting the PUD/PMD support until it can be done with compound pages?
>
> I think there are cus
On Thu, Oct 14, 2021 at 4:06 PM Jason Gunthorpe wrote:
>
> On Thu, Oct 14, 2021 at 12:01:14PM -0700, Dan Williams wrote:
> > > > Does anyone know why devmap is pte_special anyhow?
> >
> > It does not need to be special as mentioned here:
> >
> > http
On Thu, Oct 14, 2021 at 11:45 AM Matthew Wilcox wrote:
>
>
> It would probably help if you cc'd Dan on this.
Thanks.
[..]
>
> On Thu, Oct 14, 2021 at 02:06:34PM -0300, Jason Gunthorpe wrote:
> > On Thu, Oct 14, 2021 at 10:39:28AM -0500, Alex Sierra wrote:
> > > From: Ralph Campbell
> > >
> > >
On Thu, Sep 2, 2021 at 1:18 AM Christoph Hellwig wrote:
>
> On Wed, Sep 01, 2021 at 11:40:43AM -0400, Felix Kuehling wrote:
> > >>> It looks like I'm totally misunderstanding what you are adding here
> > >>> then. Why do we need any special treatment at all for memory that
> > >>> has normal stru
nel.org
> Suggested-by: Dan Williams
Looks good and tests ok here:
Reviewed-by: Dan Williams
struct be typed, so struct_group_typed() is added.
>
> Given there is a need for a handful of UAPI uses too, the underlying
> __struct_group() macro has been defined in UAPI so it can be used there
> too.
>
> Co-developed-by: Keith Packard
> Signed-off-by: Keith Packard
> Signed-off-by: Kees Cook
> Acked-by: Gustavo A. R. Silva
> Link: https://lore.kernel.org/lkml/20210728023217.GC35706@embeddedor
> Enhanced-by: Rasmus Villemoes
> Link:
> https://lore.kernel.org/lkml/41183a98-bdb9-4ad6-7eab-5a7292a6d...@rasmusvillemoes.dk
> Enhanced-by: Dan Williams
Acked-by: Dan Williams
On Wed, Nov 4, 2020 at 8:50 AM Bjorn Helgaas wrote:
>
> On Wed, Nov 04, 2020 at 09:44:04AM +0100, Daniel Vetter wrote:
> > On Tue, Nov 3, 2020 at 11:09 PM Dan Williams
> > wrote:
> > > On Tue, Nov 3, 2020 at 1:28 PM Bjorn Helgaas wrote:
> > > > On Fri, O
On Tue, Nov 3, 2020 at 1:28 PM Bjorn Helgaas wrote:
>
> On Fri, Oct 30, 2020 at 11:08:11AM +0100, Daniel Vetter wrote:
> > There's three ways to access PCI BARs from userspace: /dev/mem, sysfs
> > files, and the old proc interface. Two check against
> > iomem_is_exclusive, proc never did. And with
es. Aliasing is
> therefore not a problem.
>
> The only difference in access checks left is that sysfs PCI mmap does
> not check for CAP_RAWIO. I'm not really sure whether that should be
> added or not.
>
> Signed-off-by: Daniel Vetter
> Cc: Jason Gunthorpe
appings.
>
> To prepare for this, move the code from the /dev/kmem driver to
> kernel/resource.c.
>
> Reviewed-by: Greg Kroah-Hartman
> Signed-off-by: Daniel Vetter
> Cc: Jason Gunthorpe
> Cc: Kees Cook
> Cc: Dan Williams
> Cc: Andrew Morton
> Cc: John Hubbard
sion.
>
> Signed-off-by: Daniel Vetter
> Cc: Jason Gunthorpe
> Cc: Kees Cook
> Cc: Dan Williams
> Cc: Andrew Morton
> Cc: John Hubbard
> Cc: Jérôme Glisse
> Cc: Jan Kara
> Cc: Dan Williams
Reviewed-by: Dan Williams
/drivers/nvdimm/claim.c
> +++ b/drivers/nvdimm/claim.c
> @@ -200,11 +200,10 @@ ssize_t nd_namespace_store(struct device *dev,
> }
> break;
> default:
> len = -EBUSY;
> goto out_attach;
> - break;
> }
Acked-by: Dan Williams
___
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel
On Tue, Oct 13, 2020 at 12:37 PM Matthew Wilcox wrote:
>
> On Tue, Oct 13, 2020 at 11:44:29AM -0700, Dan Williams wrote:
> > On Fri, Oct 9, 2020 at 12:52 PM wrote:
> > >
> > > From: Ira Weiny
> > >
> > > The kmap() calls in this FS are localized t
On Fri, Oct 9, 2020 at 12:52 PM wrote:
>
> From: Ira Weiny
>
> The kmap() calls in this FS are localized to a single thread. To avoid
> the over head of global PKRS updates use the new kmap_thread() call.
>
> Cc: Nicolas Pitre
> Signed-off-by: Ira Weiny
> ---
> fs/cramfs/inode.c | 10 +---
On Fri, Oct 9, 2020 at 7:32 AM Jason Gunthorpe wrote:
>
> On Fri, Oct 09, 2020 at 04:24:45PM +0200, Daniel Vetter wrote:
> > On Fri, Oct 9, 2020 at 2:31 PM Jason Gunthorpe wrote:
> > >
> > > On Fri, Oct 09, 2020 at 09:59:31AM +0200, Daniel Vetter wrote:
> > >
> > > > +struct address_space *iomem_
On Thu, Oct 8, 2020 at 1:13 AM Daniel Vetter wrote:
>
> On Thu, Oct 8, 2020 at 9:50 AM Dan Williams wrote:
> >
> > On Wed, Oct 7, 2020 at 4:25 PM Jason Gunthorpe wrote:
> > >
> > > On Wed, Oct 07, 2020 at 12:33:06PM -0700, Dan Williams wrote:
> >
On Wed, Oct 7, 2020 at 4:25 PM Jason Gunthorpe wrote:
>
> On Wed, Oct 07, 2020 at 12:33:06PM -0700, Dan Williams wrote:
> > On Wed, Oct 7, 2020 at 11:11 AM Daniel Vetter
> > wrote:
> > >
> > > Since 3234ac664a87 ("/dev/mem: Revoke mappings when a driver
On Wed, Oct 7, 2020 at 3:23 PM Dan Williams wrote:
>
> On Wed, Oct 7, 2020 at 12:49 PM Daniel Vetter wrote:
> >
> > On Wed, Oct 7, 2020 at 9:33 PM Dan Williams
> > wrote:
> > >
> > > On Wed, Oct 7, 2020 at 11:11 AM Daniel Vetter
> > > w
On Wed, Oct 7, 2020 at 12:49 PM Daniel Vetter wrote:
>
> On Wed, Oct 7, 2020 at 9:33 PM Dan Williams wrote:
> >
> > On Wed, Oct 7, 2020 at 11:11 AM Daniel Vetter
> > wrote:
> > >
> > > Since 3234ac664a87 ("/dev/mem: Revoke mappings when a drive
On Wed, Oct 7, 2020 at 11:11 AM Daniel Vetter wrote:
>
> Since 3234ac664a87 ("/dev/mem: Revoke mappings when a driver claims
> the region") /dev/kmem zaps ptes when the kernel requests exclusive
> acccess to an iomem region. And with CONFIG_IO_STRICT_DEVMEM, this is
> the default for all driver us
On Thu, Sep 24, 2020 at 2:42 PM David Hildenbrand wrote:
>
>
>
> > Am 24.09.2020 um 23:26 schrieb Dan Williams :
> >
> > [..]
> >>> I'm not suggesting to busy the whole "virtio" range, just the portion
> >>> that's about to
[..]
> > I'm not suggesting to busy the whole "virtio" range, just the portion
> > that's about to be passed to add_memory_driver_managed().
>
> I'm afraid I don't get your point. For virtio-mem:
>
> Before:
>
> 1. Create virtio0 container resource
>
> 2. (somewhen in the future) add_memory_driver_
On Thu, Sep 24, 2020 at 12:26 AM David Hildenbrand wrote:
>
> On 23.09.20 23:41, Dan Williams wrote:
> > On Wed, Sep 23, 2020 at 1:04 AM David Hildenbrand wrote:
> >>
> >> On 08.09.20 17:33, Joao Martins wrote:
> >>> [Sorry for the late respon
On Wed, Sep 23, 2020 at 1:04 AM David Hildenbrand wrote:
>
> On 08.09.20 17:33, Joao Martins wrote:
> > [Sorry for the late response]
> >
> > On 8/21/20 11:06 AM, David Hildenbrand wrote:
> >> On 03.08.20 07:03, Dan Williams wrote:
> >>> @@ -37,109 +
On Tue, Sep 8, 2020 at 3:46 AM David Hildenbrand wrote:
>
> On 22.08.20 01:21, Andrew Morton wrote:
> > On Wed, 19 Aug 2020 18:53:57 -0700 Dan Williams
> > wrote:
> >
> >>> I think I am missing some important pieces. Bear with me.
> >>
> >>
On Fri, Aug 21, 2020 at 11:30 AM David Hildenbrand wrote:
>
> On 21.08.20 20:27, Dan Williams wrote:
> > On Fri, Aug 21, 2020 at 3:15 AM David Hildenbrand wrote:
> >>
> >>>>
> >>>> 1. On x86-64, e820 indicates "soft-reserved" memo
On Fri, Aug 21, 2020 at 3:15 AM David Hildenbrand wrote:
>
> >>
> >> 1. On x86-64, e820 indicates "soft-reserved" memory. This memory is not
> >> automatically used in the buddy during boot, but remains untouched
> >> (similar to pmem). But as it involves ACPI as well, it could also be
> >> used o
On Mon, Aug 3, 2020 at 12:48 AM David Hildenbrand wrote:
>
> [...]
>
> > Well, no v5.8-rc8 to line this up for v5.9, so next best is early
> > integration into -mm before other collisions develop.
> >
> > Chatted with Justin offline and it currently appears that the missing
> > numa information is
le.com/
Reported-by: Joao Martins
Signed-off-by: Dan Williams
---
drivers/dax/bus.c | 230 +++-
drivers/dax/dax-private.h |9 +-
drivers/dax/device.c | 55 ++
drivers/dax/kmem.c | 132 +++-
iewed-by: Greg Kroah-Hartman
Signed-off-by: Dan Williams
---
drivers/base/core.c |2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/base/core.c b/drivers/base/core.c
index 2169c5132558..231189dd6599 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -3328,7 +332
-off-by: Joao Martins
Link: https://lore.kernel.org/r/20200716172913.19658-4-joao.m.mart...@oracle.com
Signed-off-by: Dan Williams
---
drivers/dax/hmem/hmem.c |5 -
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/dax/hmem/hmem.c b/drivers/dax/hmem/hmem.c
index
hat is replaced with an open coded print of the range.
Cc: Paul Mackerras
Cc: Michael Ellerman
Cc: Benjamin Herrenschmidt
Cc: Dan Williams
Cc: Vishal Verma
Cc: Dave Jiang
Cc: Ben Skeggs
Cc: David Airlie
Cc: Daniel Vetter
Cc: Ira Weiny
Cc: Jason Gunthorpe
Signed-off-by: Dan Williams
---
2M and then we switch to 1G. So, we
validate all ranges against the new value being attempted,
post resizing.
Signed-off-by: Joao Martins
Link: https://lore.kernel.org/r/20200716172913.19658-3-joao.m.mart...@oracle.com
Signed-off-by: Dan Williams
---
drivers/dax/bus.c | 93
; ../drivers/{device_dax,kmem}/bind
echo dax0.1 > ../drivers/{device_dax,kmem}/bind
Instances can be destroyed by:
echo $device > $(readlink -f $device)../dax_region/delete
Cc: Vishal Verma
Signed-off-by: Dan Williams
---
drivers/dax/bus.c | 161 +
: https://lore.kernel.org/r/20200716172913.19658-2-joao.m.mart...@oracle.com
Signed-off-by: Dan Williams
---
drivers/dax/bus.c |1 +
drivers/dax/dax-private.h |3 +++
drivers/dax/device.c | 37 +++--
3 files changed, 19 insertions(+), 22
0200716172913.19658-5-joao.m.mart...@oracle.com
Signed-off-by: Dan Williams
---
drivers/dax/bus.c | 64 +
1 file changed, 64 insertions(+)
diff --git a/drivers/dax/bus.c b/drivers/dax/bus.c
index b984213c315f..092112bba6ed 100644
--- a/drivers/da
ent layout until the
device is enabled.
Cc: Vishal Verma
Signed-off-by: Dan Williams
---
drivers/dax/bus.c | 191 +
drivers/dax/dax-private.h | 14 +++
2 files changed, 203 insertions(+), 2 deletions(-)
diff --git a/drivers/dax/bus.c b/driver
In support of device-dax growing the ability to front physically
dis-contiguous ranges of memory, update devm_memremap_pages() to track
multiple ranges with a single reference counter and devm instance.
Cc: Paul Mackerras
Cc: Michael Ellerman
Cc: Benjamin Herrenschmidt
Cc: Dan Williams
Cc
resource range via a new @range property of 'struct
dev_dax_data'.
Cc: Vishal Verma
Signed-off-by: Dan Williams
---
drivers/dax/bus.c | 29 +++--
drivers/dax/bus.h |2 ++
drivers/dax/dax-private.h |9 -
drivers/da
ra device it did not request.
For now just add the device creation, teardown, and ->probe()
prevention. A later patch will arrange for the 'dax/size' attribute to
be writable to allocate capacity from the region.
Cc: Vishal Verma
Signed-off-by: Dan Williams
---
Cc: Wei Yang
Cc: Tom Lendacky
Signed-off-by: Dan Williams
---
kernel/resource.c | 11 +++
1 file changed, 7 insertions(+), 4 deletions(-)
diff --git a/kernel/resource.c b/kernel/resource.c
index 841737bbda9e..f1175ce93a1d 100644
--- a/kernel/resource.c
+++ b/kernel/resource.c
"Hot-remove not yet implemented." comment is stale since hotremove
support is now included.
Cc: David Hildenbrand
Cc: Vishal Verma
Cc: Dave Hansen
Cc: Pavel Tatashin
Signed-off-by: Dan Williams
---
drivers/dax/dax-private.h |3 -
drivers/dax/kmem.c
All callers specify the same flags to alloc_dax_region(), so there is no
need to allow for anything other than PFN_DEV|PFN_MAP, or carry a
->pfn_flags around on the region. Device-dax instances are always page
backed.
Cc: Vishal Verma
Signed-off-by: Dan Williams
---
drivers/dax/bu
is per Jeff's feedback the last time dynamic device-dax
capacity allocation support was discussed.
Link:
https://lore.kernel.org/linux-nvdimm/x49shpp3zn8@segfault.boston.devel.redhat.com
Cc: Vishal Verma
Signed-off-by: Dan Williams
---
drivers/dax/bus.c |
values and instead relies on
numa_map_to_online_node() to determine the numa node for the device.
Cc: "Rafael J. Wysocki"
Link:
https://lore.kernel.org/r/158318761484.2216124.2049322072599482736.st...@dwillia2-desk3.amr.corp.intel.com
Signed-off-by: Dan Williams
---
drivers/acpi
In preparation for adding more parameters to instance creation, move
existing parameters to a new struct.
Cc: Vishal Verma
Signed-off-by: Dan Williams
---
drivers/dax/bus.c | 14 +++---
drivers/dax/bus.h | 16
drivers/dax/hmem/hmem.c |8
message in the generic memory_add_physaddr_to_nid()
implementation is fixed up to properly reflect that
memory_add_physaddr_to_nid() communicates "online" node info and
phys_to_target_node() indicates "target / to-be-onlined" node info.
Cc: David Hildenbrand
Cc: Mike Rapoport
Cc: Jia He
Signed-of
Ard Biesheuvel
Cc: "Rafael J. Wysocki"
Cc: Jeff Moyer
Cc: Catalin Marinas
Cc: Will Deacon
Reviewed-by: Joao Martins
Signed-off-by: Dan Williams
---
drivers/dax/hmem/Makefile |3 ++-
drivers/dax/hmem/device.c | 35 +++
2 files changed, 37 insert
intel.com
[4]:
http://lore.kernel.org/r/154899811738.3165233.12325692939590944259.st...@dwillia2-desk3.amr.corp.intel.com
[5]: http://lore.kernel.org/r/20200110190313.17144-1-joao.m.mart...@oracle.com
---
Dan Williams (19):
x86/numa: Cleanup configuration dependent command-line options
x86/numa
ov
Cc: "H. Peter Anvin"
Signed-off-by: Dan Williams
---
Documentation/x86/x86_64/boot-options.rst |4
arch/x86/mm/numa.c|2 ++
drivers/acpi/numa/hmat.c |8 +++-
include/acpi/acpi_numa.h |8
4 files ch
Anvin"
Cc: x...@kernel.org
Acked-by: Ard Biesheuvel
Signed-off-by: Dan Williams
---
arch/x86/kernel/e820.c | 16 +++-
drivers/firmware/efi/x86_fake_mem.c | 12 +---
2 files changed, 24 insertions(+), 4 deletions(-)
diff --git a/arch/x86/kernel/e820.c
compile-time.
Suggested-by: Rafael J. Wysocki
Signed-off-by: Dan Williams
---
arch/x86/include/asm/numa.h |8 +++-
arch/x86/mm/numa.c |8 ++--
arch/x86/mm/numa_emulation.c |3 ++-
arch/x86/xen/enlighten_pv.c |2 +-
drivers/acpi/numa/srat.c |9
On Fri, Jul 31, 2020 at 8:51 PM Randy Dunlap wrote:
>
> On 7/31/20 8:25 PM, Dan Williams wrote:
> > Disable parsing of the HMAT for debug, to workaround broken platform
> > instances, or cases where it is otherwise not wanted.
> >
> > ---
> > arch/x86/mm/numa
; ../drivers/{device_dax,kmem}/bind
echo dax0.1 > ../drivers/{device_dax,kmem}/bind
Instances can be destroyed by:
echo $device > $(readlink -f $device)../dax_region/delete
Cc: Vishal Verma
Signed-off-by: Dan Williams
---
drivers/dax/bus.c | 161 +
le.com/
Reported-by: Joao Martins
Signed-off-by: Dan Williams
---
drivers/dax/bus.c | 230 +++-
drivers/dax/dax-private.h |9 +-
drivers/dax/device.c | 55 ++
drivers/dax/kmem.c | 132 +++-
In support of device-dax growing the ability to front physically
dis-contiguous ranges of memory, update devm_memremap_pages() to track
multiple ranges with a single reference counter and devm instance.
Cc: Paul Mackerras
Cc: Michael Ellerman
Cc: Benjamin Herrenschmidt
Cc: Dan Williams
Cc
-off-by: Joao Martins
Link: https://lore.kernel.org/r/20200716172913.19658-4-joao.m.mart...@oracle.com
Signed-off-by: Dan Williams
---
drivers/dax/hmem/hmem.c |5 -
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/dax/hmem/hmem.c b/drivers/dax/hmem/hmem.c
index
: https://lore.kernel.org/r/20200716172913.19658-2-joao.m.mart...@oracle.com
Signed-off-by: Dan Williams
---
drivers/dax/bus.c |1 +
drivers/dax/dax-private.h |1 +
drivers/dax/device.c | 35 +++
3 files changed, 17 insertions(+), 20 deletions
ent layout until the
device is enabled.
Cc: Vishal Verma
Signed-off-by: Dan Williams
---
drivers/dax/bus.c | 191 +
drivers/dax/dax-private.h | 14 +++
2 files changed, 203 insertions(+), 2 deletions(-)
diff --git a/drivers/dax/bus.c b/driver
2M and then we switch to 1G. So, we
validate all ranges against the new value being attempted,
post resizing.
Signed-off-by: Joao Martins
Link: https://lore.kernel.org/r/20200716172913.19658-3-joao.m.mart...@oracle.com
Signed-off-by: Dan Williams
---
drivers/dax/bus.c | 102
0200716172913.19658-5-joao.m.mart...@oracle.com
Signed-off-by: Dan Williams
---
drivers/dax/bus.c | 64 +
1 file changed, 64 insertions(+)
diff --git a/drivers/dax/bus.c b/drivers/dax/bus.c
index 7a9439132573..aa67555ba183 100644
--- a/drivers/da
resource range via a new @range property of 'struct
dev_dax_data'.
Cc: Vishal Verma
Signed-off-by: Dan Williams
---
drivers/dax/bus.c | 29 +++--
drivers/dax/bus.h |2 ++
drivers/dax/dax-private.h |9 -
drivers/da
hat is replaced with an open coded print of the range.
Cc: Paul Mackerras
Cc: Michael Ellerman
Cc: Benjamin Herrenschmidt
Cc: Dan Williams
Cc: Vishal Verma
Cc: Dave Jiang
Cc: Ben Skeggs
Cc: David Airlie
Cc: Daniel Vetter
Cc: Ira Weiny
Cc: Jason Gunthorpe
Signed-off-by: Dan Williams
---
iewed-by: Greg Kroah-Hartman
Signed-off-by: Dan Williams
---
drivers/base/core.c |2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/base/core.c b/drivers/base/core.c
index 2169c5132558..231189dd6599 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -3328,7 +332
"Hot-remove not yet implemented." comment is stale since hotremove
support is now included.
Cc: David Hildenbrand
Cc: Vishal Verma
Cc: Dave Hansen
Cc: Pavel Tatashin
Signed-off-by: Dan Williams
---
drivers/dax/dax-private.h |3 -
drivers/dax/kmem.c
is per Jeff's feedback the last time dynamic device-dax
capacity allocation support was discussed.
Link:
https://lore.kernel.org/linux-nvdimm/x49shpp3zn8@segfault.boston.devel.redhat.com
Cc: Vishal Verma
Signed-off-by: Dan Williams
---
drivers/dax/bus.c |
All callers specify the same flags to alloc_dax_region(), so there is no
need to allow for anything other than PFN_DEV|PFN_MAP, or carry a
->pfn_flags around on the region. Device-dax instances are always page
backed.
Cc: Vishal Verma
Signed-off-by: Dan Williams
---
drivers/dax/bu
ra device it did not request.
For now just add the device creation, teardown, and ->probe()
prevention. A later patch will arrange for the 'dax/size' attribute to
be writable to allocate capacity from the region.
Cc: Vishal Verma
Signed-off-by: Dan Williams
---
Ard Biesheuvel
Cc: "Rafael J. Wysocki"
Cc: Jeff Moyer
Cc: Catalin Marinas
Cc: Will Deacon
Reviewed-by: Joao Martins
Signed-off-by: Dan Williams
---
drivers/dax/hmem/Makefile |3 ++-
drivers/dax/hmem/device.c | 35 +++
2 files changed, 37 insert
3.amr.corp.intel.com
[5]: http://lore.kernel.org/r/20200110190313.17144-1-joao.m.mart...@oracle.com
---
Dan Williams (19):
x86/numa: Cleanup configuration dependent command-line options
x86/numa: Add 'nohmat' option
efi/fake_mem: Arrange for a resource entry per efi_fake_mem instan
message in the generic memory_add_physaddr_to_nid()
implementation is fixed up to properly reflect that
memory_add_physaddr_to_nid() communicates "online" node info and
phys_to_target_node() indicates "target / to-be-onlined" node info.
Cc: David Hildenbrand
Cc: Mike Rapoport
Cc: Jia He
Signed-of
Cc: Wei Yang
Cc: Tom Lendacky
Signed-off-by: Dan Williams
---
kernel/resource.c | 11 +++
1 file changed, 7 insertions(+), 4 deletions(-)
diff --git a/kernel/resource.c b/kernel/resource.c
index 841737bbda9e..f1175ce93a1d 100644
--- a/kernel/resource.c
+++ b/kernel/resource.c
values and instead relies on
numa_map_to_online_node() to determine the numa node for the device.
Cc: "Rafael J. Wysocki"
Link:
https://lore.kernel.org/r/158318761484.2216124.2049322072599482736.st...@dwillia2-desk3.amr.corp.intel.com
Signed-off-by: Dan Williams
---
drivers/acpi
In preparation for adding more parameters to instance creation, move
existing parameters to a new struct.
Cc: Vishal Verma
Signed-off-by: Dan Williams
---
drivers/dax/bus.c | 14 +++---
drivers/dax/bus.h | 16
drivers/dax/hmem/hmem.c |8
compile-time.
Suggested-by: Rafael J. Wysocki
Signed-off-by: Dan Williams
---
arch/x86/include/asm/numa.h |8 +++-
arch/x86/mm/numa.c |8 ++--
arch/x86/mm/numa_emulation.c |3 ++-
arch/x86/xen/enlighten_pv.c |2 +-
drivers/acpi/numa/srat.c |9
Anvin"
Cc: x...@kernel.org
Acked-by: Ard Biesheuvel
Signed-off-by: Dan Williams
---
arch/x86/kernel/e820.c | 16 +++-
drivers/firmware/efi/x86_fake_mem.c | 12 +---
2 files changed, 24 insertions(+), 4 deletions(-)
diff --git a/arch/x86/kernel/e820.c
1 - 100 of 222 matches
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