updating so that the bracketing of
property values matches the schema.
[..]
.../bindings/interconnect/qcom,rpmh.yaml | 2 +
Acked-by: Georgi Djakov
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te for
CPU mappings, so add it.
Signed-off-by: Isaac J. Manjarres
Signed-off-by: Georgi Djakov
---
arch/arm64/include/asm/memory.h | 1 +
arch/arm64/include/asm/pgtable.h | 9 +
arch/arm64/include/asm/sysreg.h | 1 +
arch/arm64/mm/proc.S | 3 ++-
include/linux/dma-map-ops.
Instead of writing to WC cmdstream buffers that go all the way to the main
memory, let's use the system cache to improve the performance.
Signed-off-by: Georgi Djakov
---
drivers/gpu/drm/msm/msm_gem.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/msm
-off-by: Georgi Djakov
---
Documentation/admin-guide/kernel-parameters.txt | 8
drivers/iommu/iova.c| 26 -
2 files changed, 33 insertions(+), 1 deletion(-)
diff --git a/Documentation/admin-guide/kernel-parameters.txt
b/Documentation
On Mon, Jan 11, 2021 at 07:45:02PM +0530, Sai Prakash Ranjan wrote:
> commit ecd7274fb4cd ("iommu: Remove unused IOMMU_SYS_CACHE_ONLY flag")
> removed unused IOMMU_SYS_CACHE_ONLY prot flag and along with it went
> the memory type setting required for the non-coherent masters to use
> system cache.
On 16.06.21 16:38, Georgi Djakov wrote:
When unmapping a buffer from an IOMMU domain, the IOMMU framework unmaps
the buffer at a granule of the largest page size that is supported by
the IOMMU hardware and fits within the buffer. For every block that
is unmapped, the IOMMU framework will call
nmap_pages() callback,
the existing logic of unmapping memory one page block at a time
will be used.
Signed-off-by: Isaac J. Manjarres
Suggested-by: Will Deacon
Signed-off-by: Will Deacon
Acked-by: Lu Baolu
Signed-off-by: Georgi Djakov
---
include/linux/iommu.h | 4
1 file changed, 4
From: "Isaac J. Manjarres"
The PTE methods currently operate on a single entry. In preparation
for manipulating multiple PTEs in one map or unmap call, allow them
to handle multiple PTEs.
Signed-off-by: Isaac J. Manjarres
Suggested-by: Robin Murphy
Signed-off-by: Georgi Djakov
--
Signed-off-by: Georgi Djakov
---
drivers/iommu/iommu.c | 10 ++
1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index 80e471ada358..80e14c139d40 100644
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -2375,12 +2375,13
Manjarres
Suggested-by: Will Deacon
Signed-off-by: Georgi Djakov
---
drivers/iommu/arm/arm-smmu/arm-smmu.c | 9 +
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu.c
b/drivers/iommu/arm/arm-smmu/arm-smmu.c
index 593a15cfa8d5..c1ca3b49a
When unmapping a buffer from an IOMMU domain, the IOMMU framework unmaps
the buffer at a granule of the largest page size that is supported by
the IOMMU hardware and fits within the buffer. For every block that
is unmapped, the IOMMU framework will call into the IOMMU driver, and
then the
From: "Isaac J. Manjarres"
Implement the unmap_pages() callback for the ARM v7s io-pgtable
format.
Signed-off-by: Isaac J. Manjarres
Signed-off-by: Georgi Djakov
---
drivers/iommu/io-pgtable-arm-v7s.c | 24 +---
1 file changed, 21 insertions(+), 3 deletions(-)
Manjarres
Suggested-by: Will Deacon
Signed-off-by: Georgi Djakov
---
drivers/iommu/arm/arm-smmu/arm-smmu.c | 9 +
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu.c
b/drivers/iommu/arm/arm-smmu/arm-smmu.c
index 61233bcc4588..593a15cfa
Suggested-by: Will Deacon
Signed-off-by: Georgi Djakov
---
drivers/iommu/iommu.c | 43 +++
1 file changed, 35 insertions(+), 8 deletions(-)
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index 725622c7e603..70a729ce88b1 100644
--- a/drivers/iommu/iom
same size, instead of a single block. Doing so allows
multiple blocks to be unmapped in one call to the io-pgtable
code, reducing the number of page table walks, and indirect
calls.
Signed-off-by: Isaac J. Manjarres
Suggested-by: Will Deacon
Signed-off-by: Will Deacon
Signed-off-by: Georgi Djakov
--
From: "Isaac J. Manjarres"
Implement the unmap_pages() callback for the ARM LPAE io-pgtable
format.
Signed-off-by: Isaac J. Manjarres
Suggested-by: Will Deacon
Signed-off-by: Georgi Djakov
---
drivers/iommu/io-pgtable-arm.c | 120 +
1 file c
From: "Isaac J. Manjarres"
Implement the map_pages() callback for the ARM v7s io-pgtable
format.
Signed-off-by: Isaac J. Manjarres
Signed-off-by: Georgi Djakov
---
drivers/iommu/io-pgtable-arm-v7s.c | 26 ++
1 file changed, 22 insertions(+), 4 deletions(-)
From: Will Deacon
Extend iommu_pgsize() to populate an optional 'count' parameter so that
we can direct unmapping operation to the ->unmap_pages callback if it
has been provided by the driver.
Signed-off-by: Will Deacon
Signed-off-by: Isaac J. Manjarres
Signed-off-by: Georgi Dja
From: "Isaac J. Manjarres"
Implement the map_pages() callback for the ARM LPAE io-pgtable
format.
Signed-off-by: Isaac J. Manjarres
Signed-off-by: Georgi Djakov
---
drivers/iommu/io-pgtable-arm.c | 41 +++--
1 file changed, 31 insertions(+), 10
From: Will Deacon
Avoid the potential for shifting values by amounts greater than the
width of their type by using a bitmap to compute page size in
iommu_pgsize().
Signed-off-by: Will Deacon
Signed-off-by: Isaac J. Manjarres
Signed-off-by: Georgi Djakov
---
drivers/iommu/iommu.c | 31
map_pages() callback,
the existing logic of mapping memory one page block at a time
will be used.
Signed-off-by: Isaac J. Manjarres
Suggested-by: Will Deacon
Acked-by: Lu Baolu
Signed-off-by: Georgi Djakov
---
include/linux/iommu.h | 5 +
1 file changed, 5 insertions(+)
diff --git a/include/linux
as, so add a map_pages() callback to the io-pgtable
ops structure, so that a range of pages of the same size
can be mapped within the same call.
Signed-off-by: Isaac J. Manjarres
Suggested-by: Will Deacon
Signed-off-by: Georgi Djakov
---
include/linux/io-pgtable.h | 4
1 file changed, 4 insertion
Signed-off-by: Georgi Djakov
---
drivers/iommu/iommu.c | 10 ++
1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index 80e471ada358..80e14c139d40 100644
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -2375,12 +2375,13
map_pages() callback,
the existing logic of mapping memory one page block at a time
will be used.
Signed-off-by: Isaac J. Manjarres
Suggested-by: Will Deacon
Acked-by: Lu Baolu
Signed-off-by: Georgi Djakov
---
include/linux/iommu.h | 5 +
1 file changed, 5 insertions(+)
diff --git a/include/linux
From: "Isaac J. Manjarres"
Implement the unmap_pages() callback for the ARM v7s io-pgtable
format.
Signed-off-by: Isaac J. Manjarres
Signed-off-by: Georgi Djakov
---
drivers/iommu/io-pgtable-arm-v7s.c | 24 +---
1 file changed, 21 insertions(+), 3 deletions(-)
When unmapping a buffer from an IOMMU domain, the IOMMU framework unmaps
the buffer at a granule of the largest page size that is supported by
the IOMMU hardware and fits within the buffer. For every block that
is unmapped, the IOMMU framework will call into the IOMMU driver, and
then the
From: Will Deacon
Extend iommu_pgsize() to populate an optional 'count' parameter so that
we can direct unmapping operation to the ->unmap_pages callback if it
has been provided by the driver.
Signed-off-by: Will Deacon
Signed-off-by: Isaac J. Manjarres
Signed-off-by: Georgi Dja
Suggested-by: Will Deacon
Signed-off-by: Georgi Djakov
---
drivers/iommu/iommu.c | 43 +++
1 file changed, 35 insertions(+), 8 deletions(-)
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index 725622c7e603..89f8ab6a72a9 100644
--- a/drivers/iommu/iom
Manjarres
Suggested-by: Will Deacon
Signed-off-by: Georgi Djakov
---
drivers/iommu/arm/arm-smmu/arm-smmu.c | 9 +
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu.c
b/drivers/iommu/arm/arm-smmu/arm-smmu.c
index 61233bcc4588..593a15cfa
From: "Isaac J. Manjarres"
Implement the map_pages() callback for the ARM v7s io-pgtable
format.
Signed-off-by: Isaac J. Manjarres
Signed-off-by: Georgi Djakov
---
drivers/iommu/io-pgtable-arm-v7s.c | 26 ++
1 file changed, 22 insertions(+), 4 deletions(-)
same size, instead of a single block. Doing so allows
multiple blocks to be unmapped in one call to the io-pgtable
code, reducing the number of page table walks, and indirect
calls.
Signed-off-by: Isaac J. Manjarres
Suggested-by: Will Deacon
Signed-off-by: Will Deacon
Signed-off-by: Georgi Djakov
--
From: "Isaac J. Manjarres"
Implement the unmap_pages() callback for the ARM LPAE io-pgtable
format.
Signed-off-by: Isaac J. Manjarres
Suggested-by: Will Deacon
Signed-off-by: Georgi Djakov
---
drivers/iommu/io-pgtable-arm.c | 75 +++---
1 file c
From: "Isaac J. Manjarres"
Implement the map_pages() callback for the ARM LPAE io-pgtable
format.
Signed-off-by: Isaac J. Manjarres
Signed-off-by: Georgi Djakov
---
drivers/iommu/io-pgtable-arm.c | 41 +++--
1 file changed, 31 insertions(+), 10
nmap_pages() callback,
the existing logic of unmapping memory one page block at a time
will be used.
Signed-off-by: Isaac J. Manjarres
Suggested-by: Will Deacon
Signed-off-by: Will Deacon
Acked-by: Lu Baolu
Signed-off-by: Georgi Djakov
---
include/linux/iommu.h | 4
1 file changed, 4
Manjarres
Suggested-by: Will Deacon
Signed-off-by: Georgi Djakov
---
drivers/iommu/arm/arm-smmu/arm-smmu.c | 9 +
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu.c
b/drivers/iommu/arm/arm-smmu/arm-smmu.c
index 593a15cfa8d5..c1ca3b49a
From: Will Deacon
Avoid the potential for shifting values by amounts greater than the
width of their type by using a bitmap to compute page size in
iommu_pgsize().
Signed-off-by: Will Deacon
Signed-off-by: Isaac J. Manjarres
Signed-off-by: Georgi Djakov
---
drivers/iommu/iommu.c | 31
From: "Isaac J. Manjarres"
The PTE methods currently operate on a single entry. In preparation
for manipulating multiple PTEs in one map or unmap call, allow them
to handle multiple PTEs.
Signed-off-by: Isaac J. Manjarres
Suggested-by: Robin Murphy
Signed-off-by: Georgi Djakov
--
as, so add a map_pages() callback to the io-pgtable
ops structure, so that a range of pages of the same size
can be mapped within the same call.
Signed-off-by: Isaac J. Manjarres
Suggested-by: Will Deacon
Signed-off-by: Georgi Djakov
---
include/linux/io-pgtable.h | 4
1 file changed, 4 insertion
Hi Isaac,
On 22.12.20 2:44, Isaac J. Manjarres wrote:
The io-pgtable code constructs an array of init functions for each
page table format at compile time. This is not ideal, as this
increases the footprint of the io-pgtable code, as well as prevents
io-pgtable formats from being built as
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