On 18-01-22, 19:50, Rob Herring wrote:
> The 'phandle-array' type is a bit ambiguous. It can be either just an
> array of phandles or an array of phandles plus args. Many schemas for
> phandle-array properties aren't clear in the schema which case applies
> though the description usually describes
在 2022/1/20 上午10:58, Lu Baolu 写道:
On 1/19/22 5:07 PM, Zelin Deng wrote:
In kdump kernel PASID translations won't be copied from previous kernel
even if scalable-mode is enabled, so pages of PASID translations are
Yes. The copy table support for scalable mode is still in my task list.
On 1/19/22 5:07 PM, Zelin Deng wrote:
In kdump kernel PASID translations won't be copied from previous kernel
even if scalable-mode is enabled, so pages of PASID translations are
Yes. The copy table support for scalable mode is still in my task list.
non-present in kdump kernel. Attempt to
Quoting Rob Herring (2022-01-18 17:50:38)
> The 'phandle-array' type is a bit ambiguous. It can be either just an
> array of phandles or an array of phandles plus args. Many schemas for
> phandle-array properties aren't clear in the schema which case applies
> though the description usually
From: Zi Yan
alloc_contig_range() now only needs to be aligned to pageblock_order,
drop virtio_mem size requirement that it needs to be the max of
pageblock_order and MAX_ORDER.
Signed-off-by: Zi Yan
---
drivers/virtio/virtio_mem.c | 7 +++
1 file changed, 3 insertions(+), 4 deletions(-)
From: Zi Yan
CMA only requires pageblock alignment now. Change CMA alignment in
fadump too.
Signed-off-by: Zi Yan
---
arch/powerpc/include/asm/fadump-internal.h | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/arch/powerpc/include/asm/fadump-internal.h
From: Zi Yan
Now alloc_contig_range() works at pageblock granularity. Change CMA
allocation, which uses alloc_contig_range(), to use pageblock_order
alignment.
Signed-off-by: Zi Yan
---
include/linux/mmzone.h | 5 +
kernel/dma/contiguous.c | 2 +-
mm/cma.c| 6 ++
From: Zi Yan
has_unmovable_pages() is only used in mm/page_isolation.c. Move it from
mm/page_alloc.c and make it static.
Signed-off-by: Zi Yan
---
include/linux/page-isolation.h | 2 -
mm/page_alloc.c| 119 -
mm/page_isolation.c|
From: Zi Yan
Enable set_migratetype_isolate() to check specified sub-range for
unmovable pages during isolation. Page isolation is done
at max(MAX_ORDER_NR_PAEGS, pageblock_nr_pages) granularity, but not all
pages within that granularity are intended to be isolated. For example,
From: Zi Yan
alloc_contig_range() worked at MAX_ORDER-1 granularity to avoid merging
pageblocks with different migratetypes. It might unnecessarily convert
extra pageblocks at the beginning and at the end of the range. Change
alloc_contig_range() to work at pageblock granularity.
It is done by
From: Zi Yan
Hi all,
This patchset tries to remove the MAX_ORDER-1 alignment requirement for CMA
and alloc_contig_range(). It prepares for my upcoming changes to make
MAX_ORDER adjustable at boot time[1]. It is on top of mmotm-2021-12-29-20-07.
Changelog from RFC
===
1. Dropped two irrelevant
From: Zi Yan
This is done in addition to MIGRATE_ISOLATE pageblock merge avoidance.
It prepares for the upcoming removal of the MAX_ORDER-1 alignment
requirement for CMA and alloc_contig_range().
MIGRARTE_HIGHATOMIC should not merge with other migratetypes like
MIGRATE_ISOLATE and
In kdump kernel PASID translations won't be copied from previous kernel
even if scalable-mode is enabled, so pages of PASID translations are
non-present in kdump kernel. Attempt to access those address will cause
PF fault:
[ 13.396476] DMAR: DRHD: handling fault status reg 3
[ 13.396478]
On Tue, Jan 18, 2022 at 07:50:38PM -0600, Rob Herring wrote:
> The 'phandle-array' type is a bit ambiguous. It can be either just an
> array of phandles or an array of phandles plus args. Many schemas for
> phandle-array properties aren't clear in the schema which case applies
> though the
During event processing, events are read from the event queue one
by one until the queue is empty.If the master device continuously
requests address access at the same time and the SMMU generates
events, the cyclic processing of the event takes a long time and
softlockup warnings may be reported.
On Tue, Jan 18, 2022 at 07:50:38PM -0600, Rob Herring wrote:
> The 'phandle-array' type is a bit ambiguous. It can be either just an
> array of phandles or an array of phandles plus args. Many schemas for
> phandle-array properties aren't clear in the schema which case applies
> though the
Hello Rob,
On 1/19/22 2:50 AM, Rob Herring wrote:
> The 'phandle-array' type is a bit ambiguous. It can be either just an
> array of phandles or an array of phandles plus args. Many schemas for
> phandle-array properties aren't clear in the schema which case applies
> though the description
On Wed, Jan 19, 2022 at 9:22 AM Arnaud POULIQUEN
wrote:
>
> Hello Rob,
>
> On 1/19/22 2:50 AM, Rob Herring wrote:
> > The 'phandle-array' type is a bit ambiguous. It can be either just an
> > array of phandles or an array of phandles plus args. Many schemas for
> > phandle-array properties aren't
On Wed, Jan 19, 2022 at 4:35 AM Vladimir Oltean wrote:
>
> On Tue, Jan 18, 2022 at 07:50:38PM -0600, Rob Herring wrote:
> > The 'phandle-array' type is a bit ambiguous. It can be either just an
> > array of phandles or an array of phandles plus args. Many schemas for
> > phandle-array properties
On 19.01.22 3:50, Rob Herring wrote:
The 'phandle-array' type is a bit ambiguous. It can be either just an
array of phandles or an array of phandles plus args. Many schemas for
phandle-array properties aren't clear in the schema which case applies
though the description usually describes it.
On Wed, 19 Jan 2022 at 02:50, Rob Herring wrote:
>
> The 'phandle-array' type is a bit ambiguous. It can be either just an
> array of phandles or an array of phandles plus args. Many schemas for
> phandle-array properties aren't clear in the schema which case applies
> though the description
Hi Rob,
On Wed, Jan 19, 2022 at 2:50 AM Rob Herring wrote:
> The 'phandle-array' type is a bit ambiguous. It can be either just an
> array of phandles or an array of phandles plus args. Many schemas for
> phandle-array properties aren't clear in the schema which case applies
> though the
On Tue, Jan 18, 2022 at 07:50:38PM -0600, Rob Herring wrote:
> The 'phandle-array' type is a bit ambiguous. It can be either just an
> array of phandles or an array of phandles plus args. Many schemas for
> phandle-array properties aren't clear in the schema which case applies
> though the
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