On 3/11/20 7:22 AM, Christoph Hellwig wrote:
> On Tue, Mar 10, 2020 at 09:08:56PM +, John Garry wrote:
>> On 10/03/2020 18:32, Christoph Hellwig wrote:
>>> On Wed, Mar 11, 2020 at 12:25:28AM +0800, John Garry wrote:
From: Hannes Reinecke
Allocate a separate 'reserved_cmd_q' for
On 3/11/20 12:08 AM, Ming Lei wrote:
> On Wed, Mar 11, 2020 at 12:25:27AM +0800, John Garry wrote:
>> From: Hannes Reinecke
>>
>> Add a new field 'nr_reserved_cmds' to the SCSI host template to
>> instruct the block layer to set aside a tag space for reserved
>> commands.
>>
>> Signed-off-by: Hann
es matched by all F: patterns in in each section.
Done via the perl script below and the previously posted
cvt_fallthrough.pl script.
Link:
https://lore.kernel.org/lkml/b56602fcf79f849e733e7b521bb0e17895d390fa.1582230379.git.joe.com/
These patches are based on next-20200310 and are available in
gi
On Tue, Mar 10, 2020 at 09:08:56PM +, John Garry wrote:
> On 10/03/2020 18:32, Christoph Hellwig wrote:
> > On Wed, Mar 11, 2020 at 12:25:28AM +0800, John Garry wrote:
> > > From: Hannes Reinecke
> > >
> > > Allocate a separate 'reserved_cmd_q' for sending reserved commands.
> >
> > Why? Re
On Wed, Mar 11, 2020 at 12:25:27AM +0800, John Garry wrote:
> From: Hannes Reinecke
>
> Add a new field 'nr_reserved_cmds' to the SCSI host template to
> instruct the block layer to set aside a tag space for reserved
> commands.
>
> Signed-off-by: Hannes Reinecke
> ---
> drivers/scsi/scsi_lib.
> Am 10.03.2020 um 22:25 schrieb Michael S. Tsirkin :
>
> On Tue, Mar 10, 2020 at 08:13:19PM +0100, David Hildenbrand wrote:
>>> Should this have:
>>>
>>> Cc: sta...@vger.kernel.org # 4.19+
>>
>> I guess as nothing will actually "crash" it's not worth stable.
>
>
> No - it's a regression, i
On Tue, Mar 10, 2020 at 08:13:19PM +0100, David Hildenbrand wrote:
> > Should this have:
> >
> > Cc: sta...@vger.kernel.org # 4.19+
>
> I guess as nothing will actually "crash" it's not worth stable.
No - it's a regression, it would be a stable candidate from that POV.
The issue is the patch si
On 10.03.20 20:05, David Rientjes wrote:
> On Tue, 10 Mar 2020, David Hildenbrand wrote:
>
>> Commit 71994620bb25 ("virtio_balloon: replace oom notifier with shrinker")
>> changed the behavior when deflation happens automatically. Instead of
>> deflating when called by the OOM handler, the shrinke
On Tue, 10 Mar 2020, David Hildenbrand wrote:
> Commit 71994620bb25 ("virtio_balloon: replace oom notifier with shrinker")
> changed the behavior when deflation happens automatically. Instead of
> deflating when called by the OOM handler, the shrinker is used.
>
> However, the balloon is not simp
On Wed, Mar 11, 2020 at 12:25:48AM +0800, John Garry wrote:
> From: Hannes Reinecke
>
> No users left, kill it.
>
> Signed-off-by: Hannes Reinecke
Wasn't this part of a series from Hannes that already got merged?
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Virtu
On Wed, Mar 11, 2020 at 12:25:28AM +0800, John Garry wrote:
> From: Hannes Reinecke
>
> Allocate a separate 'reserved_cmd_q' for sending reserved commands.
Why? Reserved command specifically are not in any way tied to queues.
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On Tue, Mar 10, 2020 at 4:39 AM David Hildenbrand wrote:
>
> Commit 71994620bb25 ("virtio_balloon: replace oom notifier with shrinker")
> changed the behavior when deflation happens automatically. Instead of
> deflating when called by the OOM handler, the shrinker is used.
>
> However, the balloon
On Tue, Mar 10, 2020 at 12:54:11PM +0100, David Hildenbrand wrote:
> As suggested by Michael, let's add me as co-maintainer of virtio-balloon.
> While at it, also add "include/linux/balloon_compaction.h" to the file
> list.
>
> Cc: Michael S. Tsirkin
> Cc: Jason Wang
> Cc: Greg Kroah-Hartman
>
On 10.03.20 12:59, Michal Hocko wrote:
> On Tue 10-03-20 12:46:05, David Hildenbrand wrote:
>> On 10.03.20 12:43, Michal Hocko wrote:
>>> On Mon 02-03-20 14:49:37, David Hildenbrand wrote:
>>> [...]
+static void virtio_mem_notify_going_offline(struct virtio_mem *vm,
+
On Tue 10-03-20 12:46:05, David Hildenbrand wrote:
> On 10.03.20 12:43, Michal Hocko wrote:
> > On Mon 02-03-20 14:49:37, David Hildenbrand wrote:
> > [...]
> >> +static void virtio_mem_notify_going_offline(struct virtio_mem *vm,
> >> + unsigned long mb_id)
> >>
As suggested by Michael, let's add me as co-maintainer of virtio-balloon.
While at it, also add "include/linux/balloon_compaction.h" to the file
list.
Cc: Michael S. Tsirkin
Cc: Jason Wang
Cc: Greg Kroah-Hartman
Signed-off-by: David Hildenbrand
---
MAINTAINERS | 9 +
1 file changed, 9
On 10.03.20 12:47, Michal Hocko wrote:
> On Mon 02-03-20 14:49:36, David Hildenbrand wrote:
>> virtio-mem wants to allow to offline memory blocks of which some parts
>> were unplugged (allocated via alloc_contig_range()), especially, to later
>> offline and remove completely unplugged memory blocks
On Mon 02-03-20 14:49:36, David Hildenbrand wrote:
> virtio-mem wants to allow to offline memory blocks of which some parts
> were unplugged (allocated via alloc_contig_range()), especially, to later
> offline and remove completely unplugged memory blocks. The important part
> is that PageOffline()
On 10.03.20 12:43, Michal Hocko wrote:
> On Mon 02-03-20 14:49:37, David Hildenbrand wrote:
> [...]
>> +static void virtio_mem_notify_going_offline(struct virtio_mem *vm,
>> +unsigned long mb_id)
>> +{
>> +const unsigned long nr_pages = PFN_DOWN(vm->subbl
On Mon 02-03-20 14:49:37, David Hildenbrand wrote:
[...]
> +static void virtio_mem_notify_going_offline(struct virtio_mem *vm,
> + unsigned long mb_id)
> +{
> + const unsigned long nr_pages = PFN_DOWN(vm->subblock_size);
> + unsigned long pfn;
> +
Commit 71994620bb25 ("virtio_balloon: replace oom notifier with shrinker")
changed the behavior when deflation happens automatically. Instead of
deflating when called by the OOM handler, the shrinker is used.
However, the balloon is not simply some other slab cache that should be
shrunk when under
On 10.03.20 12:19, Michael S. Tsirkin wrote:
> On Tue, Mar 10, 2020 at 12:12:50PM +0100, David Hildenbrand wrote:
static void virtio_balloon_unregister_shrinker(struct virtio_balloon *vb)
@@ -971,7 +950,22 @@ static int virtballoon_probe(struct virtio_device
*vdev)
On Tue, Mar 10, 2020 at 12:12:50PM +0100, David Hildenbrand wrote:
> >> static void virtio_balloon_unregister_shrinker(struct virtio_balloon *vb)
> >> @@ -971,7 +950,22 @@ static int virtballoon_probe(struct virtio_device
> >> *vdev)
> >> VIRTIO_BALLOO
>> static void virtio_balloon_unregister_shrinker(struct virtio_balloon *vb)
>> @@ -971,7 +950,22 @@ static int virtballoon_probe(struct virtio_device *vdev)
>>VIRTIO_BALLOON_CMD_ID_STOP);
>> spin_lock_init(&vb->free_page_list_lock);
>>
On Tue, Mar 10, 2020 at 11:39:03AM +0100, David Hildenbrand wrote:
> Commit 71994620bb25 ("virtio_balloon: replace oom notifier with shrinker")
> changed the behavior when deflation happens automatically. Instead of
> deflating when called by the OOM handler, the shrinker is used.
>
> However, the
Commit 71994620bb25 ("virtio_balloon: replace oom notifier with shrinker")
changed the behavior when deflation happens automatically. Instead of
deflating when called by the OOM handler, the shrinker is used.
However, the balloon is not simply some other slab cache that should be
shrunk when under
From: Joerg Roedel
Move the pointer for iommu private data from struct iommu_fwspec to
struct dev_iommu.
Tested-by: Will Deacon # arm-smmu
Signed-off-by: Joerg Roedel
---
include/linux/iommu.h | 7 ---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/include/linux/iommu.h b/i
From: Joerg Roedel
Make use of dev_iommu_priv_set/get() functions in the code.
Tested-by: Hanjun Guo
Signed-off-by: Joerg Roedel
---
drivers/iommu/arm-smmu-v3.c | 10 +-
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/iommu/arm-smmu-v3.c b/drivers/iommu/arm-smmu-
From: Joerg Roedel
Make use of dev_iommu_priv_set/get() functions.
Signed-off-by: Joerg Roedel
---
drivers/iommu/virtio-iommu.c | 11 +--
1 file changed, 5 insertions(+), 6 deletions(-)
diff --git a/drivers/iommu/virtio-iommu.c b/drivers/iommu/virtio-iommu.c
index cce329d71fba..8ead57
From: Joerg Roedel
Make use of dev_iommu_priv_set/get() functions and simplify the code
where possible with this change.
Tested-by: Will Deacon # arm-smmu
Signed-off-by: Joerg Roedel
---
drivers/iommu/arm-smmu.c | 56 +---
1 file changed, 29 insertions(+),
From: Joerg Roedel
Use the accessor functions instead of directly dereferencing
dev->iommu_fwspec.
Signed-off-by: Joerg Roedel
---
drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c
b/drivers/gp
From: Joerg Roedel
Use the accessor functions instead of directly dereferencing
dev->iommu_fwspec.
Tested-by: Hanjun Guo
Signed-off-by: Joerg Roedel
---
drivers/acpi/arm64/iort.c | 6 --
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/acpi/arm64/iort.c b/drivers/acpi
From: Joerg Roedel
The term dev_iommu aligns better with other existing structures and
their accessor functions.
Tested-by: Will Deacon # arm-smmu
Signed-off-by: Joerg Roedel
---
drivers/iommu/iommu.c | 28 ++--
include/linux/device.h | 6 +++---
include/linux/iommu.
From: Joerg Roedel
Make use of dev_iommu_priv_set/get() functions.
Signed-off-by: Joerg Roedel
---
drivers/iommu/qcom_iommu.c | 61 ++
1 file changed, 36 insertions(+), 25 deletions(-)
diff --git a/drivers/iommu/qcom_iommu.c b/drivers/iommu/qcom_iommu.c
ind
From: Joerg Roedel
Move the iommu_fwspec pointer in struct device into struct dev_iommu.
This is a step in the effort to reduce the iommu related pointers in
struct device to one.
Tested-by: Will Deacon # arm-smmu
Signed-off-by: Joerg Roedel
---
drivers/iommu/iommu.c | 3 +++
include/linux/
From: Joerg Roedel
Add dev_iommu_priv_get/set() functions to access per-device iommu
private data. This makes it easier to move the pointer to a different
location.
Tested-by: Will Deacon # arm-smmu
Signed-off-by: Joerg Roedel
---
include/linux/iommu.h | 10 ++
1 file changed, 10 inse
Hi,
here is a patch-set to rename iommu_param to dev_iommu and
establish it as a struct for generic per-device iommu-data.
Also move the iommu_fwspec pointer from struct device into
dev_iommu to have less iommu-related pointers in struct
device.
The bigger part of this patch-set moves the iommu_p
From: Joerg Roedel
Some unrelated changes in the iommu code caused a new warning to
appear in the arm-smmu driver:
CC drivers/iommu/arm-smmu.o
drivers/iommu/arm-smmu.c: In function 'arm_smmu_add_device':
drivers/iommu/arm-smmu.c:1441:2: warning: 'smmu' may be used uninitialized in
this f
From: Joerg Roedel
There are users outside of the IOMMU code that need to call that
function. Define it for !CONFIG_IOMMU_API too so that compilation does
not break.
Reported-by: kbuild test robot
Signed-off-by: Joerg Roedel
---
include/linux/iommu.h | 4
1 file changed, 4 insertions(+)
From: Joerg Roedel
Make use of dev_iommu_priv_set/get() functions.
Signed-off-by: Joerg Roedel
---
drivers/iommu/ipmmu-vmsa.c | 7 ++-
1 file changed, 2 insertions(+), 5 deletions(-)
diff --git a/drivers/iommu/ipmmu-vmsa.c b/drivers/iommu/ipmmu-vmsa.c
index ecb3f9464dd5..310cf09feea3 1006
From: Joerg Roedel
Make use of dev_iommu_priv_set/get() functions.
Signed-off-by: Joerg Roedel
---
drivers/iommu/mtk_iommu.c| 13 ++---
drivers/iommu/mtk_iommu_v1.c | 14 +++---
2 files changed, 13 insertions(+), 14 deletions(-)
diff --git a/drivers/iommu/mtk_iommu.c b/dri
From: Joerg Roedel
Use the accessor functions instead of directly dereferencing
dev->iommu_fwspec.
Signed-off-by: Joerg Roedel
---
drivers/iommu/tegra-gart.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iommu/tegra-gart.c b/drivers/iommu/tegra-gart.c
index 3fb7ba
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