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2026 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Rob Herring (Arm)
|
28b513b5a6 |
Merge branch 'dt/linus' into dt/next
Pull-in kunit kconfig fix |
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Stephen Boyd
|
332857fdac |
of: Allow overlay kunit tests to run CONFIG_OF_OVERLAY=n
Some configurations want to enable CONFIG_KUNIT without enabling
CONFIG_OF_OVERLAY. The kunit overlay code already skips if
CONFIG_OF_OVERLAY isn't enabled, so this select here isn't really doing
anything besides making it easier to run the tests without them
skipping. Remove the select and move the config setting to the
drivers/of/.kunitconfig file so that the overlay tests can be run with
or without CONFIG_OF_OVERLAY set to test either behavior.
Fixes:
|
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Rob Herring (Arm)
|
64ee3cf096 |
of/address: Rework bus matching to avoid warnings
With warnings added for deprecated #address-cells/#size-cells handling, the DT address handling code causes warnings when used on nodes with no address. This happens frequently with calls to of_platform_populate() as it is perfectly acceptable to have devices without a 'reg' property. The desired behavior is to just silently return an error when retrieving an address. The warnings can be avoided by checking for "#address-cells" presence first and checking for an address property before fetching "#address-cells" and "#size-cells". Reported-by: Marek Szyprowski <m.szyprowski@samsung.com> Reported-by: Steven Price <steven.price@arm.com> Tested-by: Marek Szyprowski <m.szyprowski@samsung.com> Link: https://lore.kernel.org/r/20241108193547.2647986-2-robh@kernel.org Signed-off-by: Rob Herring (Arm) <robh@kernel.org> |
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Rob Herring (Arm)
|
045b14ca5c |
of: WARN on deprecated #address-cells/#size-cells handling
While OpenFirmware originally allowed walking parent nodes and default root values for #address-cells and #size-cells, FDT has long required explicit values. It's been a warning in dtc for the root node since the beginning (2005) and for any parent node since 2007. Of course, not all FDT uses dtc, but that should be the majority by far. The various extracted OF devicetrees I have dating back to the 1990s (various PowerMac, OLPC, PASemi Nemo) all have explicit root node properties. The warning is disabled for Sparc as there are known systems relying on default root node values. Link: https://lore.kernel.org/r/20241106171028.3830266-1-robh@kernel.org Signed-off-by: Rob Herring (Arm) <robh@kernel.org> |
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Rob Herring (Arm)
|
67759cfb04 |
of/fdt: Don't use default address cell sizes for address translation
FDT systems should never be relying on default cell sizes. It's been a warning in dtc since 2007. The behavior here doesn't even match the unflattened code which will walk the parent nodes looking for the cell size properties (also deprecated). Furthermore, the FDT address translation code is only used in one spot by SH and for earlycon which was added 2014 and certainly isn't used on Powerpc systems. Returning -1 values will result in an error message. Link: https://lore.kernel.org/r/20241106170808.3827790-1-robh@kernel.org Signed-off-by: Rob Herring (Arm) <robh@kernel.org> |
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Usama Arif
|
b2473a3597 |
of/fdt: add dt_phys arg to early_init_dt_scan and early_init_dt_verify
__pa() is only intended to be used for linear map addresses and using
it for initial_boot_params which is in fixmap for arm64 will give an
incorrect value. Hence save the physical address when it is known at
boot time when calling early_init_dt_scan for arm64 and use it at kexec
time instead of converting the virtual address using __pa().
Note that arm64 doesn't need the FDT region reserved in the DT as the
kernel explicitly reserves the passed in FDT. Therefore, only a debug
warning is fixed with this change.
Reported-by: Breno Leitao <leitao@debian.org>
Suggested-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Usama Arif <usamaarif642@gmail.com>
Fixes:
|
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Kuninori Morimoto
|
3d4b0149b4 |
of: property: use new of_graph functions
Current of_graph_get_next_endpoint() can be replaced by using new of_graph_get_next_port(). Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Link: https://lore.kernel.org/r/87iktib5t0.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Rob Herring (Arm) <robh@kernel.org> |
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Kuninori Morimoto
|
58fe47d6ac |
of: property: add of_graph_get_next_port_endpoint()
We already have of_graph_get_next_endpoint(), but it is not
intuitive to use in some case.
(X) node {
(Y) ports {
(P0) port@0 { endpoint { remote-endpoint = ...; };};
(P10) port@1 { endpoint { remote-endpoint = ...; };
(P11) endpoint { remote-endpoint = ...; };};
(P2) port@2 { endpoint { remote-endpoint = ...; };};
};
};
For example, if I want to handle port@1's 2 endpoints (= P10, P11),
I want to use like below
P10 = of_graph_get_next_endpoint(port1, NULL);
P11 = of_graph_get_next_endpoint(port1, P10);
But 1st one will be error, because of_graph_get_next_endpoint()
requested 1st parameter is "node" (X) or "ports" (Y), not but "port".
Below works well, but it will get P0
P0 = of_graph_get_next_endpoint(node, NULL);
P0 = of_graph_get_next_endpoint(ports, NULL);
In other words, we can't handle P10/P11 directly via
of_graph_get_next_endpoint().
There is another non intuitive behavior on of_graph_get_next_endpoint().
In case of if I could get P10 pointer for some way, and if I want to
handle port@1 things by loop, I would like use it like below
/*
* "ep" is now P10, and handle port1 things here,
* but we don't know how many endpoints port1 have.
*
* Because "ep" is non NULL now, we can use port1
* as of_graph_get_next_endpoint(port1, xxx)
*/
do {
/* do something for port1 specific things here */
} while (ep = of_graph_get_next_endpoint(port1, ep))
But it also not worked as I expected.
I expect it will be P10 -> P11 -> NULL,
but it will be P10 -> P11 -> P2, because
of_graph_get_next_endpoint() will fetch "endpoint" beyond the "port".
It is not useful for generic driver.
To handle endpoint more intuitive, create of_graph_get_next_port_endpoint()
of_graph_get_next_port_endpoint(port1, NULL); // P10
of_graph_get_next_port_endpoint(port1, P10); // P11
of_graph_get_next_port_endpoint(port1, P11); // NULL
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87jzdyb5t5.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
|
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Kuninori Morimoto
|
02ac5f9d6c |
of: property: add of_graph_get_next_port()
We have endpoint base functions
- of_graph_get_next_endpoint()
- of_graph_get_endpoint_count()
- for_each_endpoint_of_node()
Here, for_each_endpoint_of_node() loop finds each endpoints
ports {
port@0 {
(1) endpoint {...};
};
port@1 {
(2) endpoint {...};
};
...
};
In above case, it finds endpoint as (1) -> (2) -> ...
Basically, user/driver knows which port is used for what, but not in
all cases. For example on flexible/generic driver case, how many ports
are used is not fixed.
For example Sound Generic Card driver which is very flexible/generic and
used from many venders can't know how many ports are used, and used for
what, because it depends on each vender SoC and/or its used board.
And more, the port can have multi endpoints. For example Generic Sound
Card case, it supports many type of connection between CPU / Codec, and
some of them uses multi endpoint in one port. see below.
ports {
(A) port@0 {
(1) endpoint@0 {...};
(2) endpoint@1 {...};
};
(B) port@1 {
(3) endpoint {...};
};
...
};
Generic Sound Card want to handle each connection via "port" base instead
of "endpoint" base. But, it is very difficult to handle each "port" via
existing for_each_endpoint_of_node(). Because getting each "port" via
of_get_parent() from each "endpoint" doesn't work. For example in above
case, both (1) (2) endpoint has same "port" (= A).
Add "port" base functions.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87ldyeb5t9.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
|
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Sergey Shtylyov
|
2e030910fa |
of: module: remove strlen() call in of_modalias()
In of_modalias(), there's no dire need to call strlen() (and then add 1 to its result to account for the 'C' char preceding the compat string). Replace that strlen() with snprintf() (currently below it) -- this way, we always try to print the compat string but then only advance the str and len parameters iff the compat string fit into the remaining buffer space... Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru> Link: https://lore.kernel.org/r/471418be-5d2f-4d14-bd9e-9e8f0526241f@omp.ru Signed-off-by: Rob Herring (Arm) <robh@kernel.org> |
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Oreoluwa Babatunde
|
00c9a452a2 |
of: reserved_mem: Add code to dynamically allocate reserved_mem array
The reserved_mem array is statically allocated with a size of MAX_RESERVED_REGIONS(64). Therefore, if the number of reserved_mem regions exceeds this size, there will not be enough space to store all the data. Hence, extend the use of the static array by introducing a dynamically allocated array based on the number of reserved memory regions specified in the DT. On architectures such as arm64, memblock allocated memory is not writable until after the page tables have been setup. Hence, the dynamic allocation of the reserved_mem array will need to be done only after the page tables have been setup. As a result, a temporary static array is still needed in the initial stages to store the information of the dynamically-placed reserved memory regions because the start address is selected only at run-time and is not stored anywhere else. It is not possible to wait until the reserved_mem array is allocated because this is done after the page tables are setup and the reserved memory regions need to be initialized before then. After the reserved_mem array is allocated, all entries from the static array is copied over to the new array, and the rest of the information for the statically-placed reserved memory regions are read in from the DT and stored in the new array as well. Once the init process is completed, the temporary static array is released back to the system because it is no longer needed. This is achieved by marking it as __initdata. Signed-off-by: Oreoluwa Babatunde <quic_obabatun@quicinc.com> Link: https://lore.kernel.org/r/20241008220624.551309-3-quic_obabatun@quicinc.com Signed-off-by: Rob Herring (Arm) <robh@kernel.org> |
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Oreoluwa Babatunde
|
8a6e02d0c0 |
of: reserved_mem: Restructure how the reserved memory regions are processed
Reserved memory regions defined in the devicetree can be broken up into
two groups:
i) Statically-placed reserved memory regions
i.e. regions defined with a static start address and size using the
"reg" property.
ii) Dynamically-placed reserved memory regions.
i.e. regions defined by specifying an address range where they can be
placed in memory using the "alloc_ranges" and "size" properties.
These regions are processed and set aside at boot time.
This is done in two stages as seen below:
Stage 1:
At this stage, fdt_scan_reserved_mem() scans through the child nodes of
the reserved_memory node using the flattened devicetree and does the
following:
1) If the node represents a statically-placed reserved memory region,
i.e. if it is defined using the "reg" property:
- Call memblock_reserve() or memblock_mark_nomap() as needed.
- Add the information for that region into the reserved_mem array
using fdt_reserved_mem_save_node().
i.e. fdt_reserved_mem_save_node(node, name, base, size).
2) If the node represents a dynamically-placed reserved memory region,
i.e. if it is defined using "alloc-ranges" and "size" properties:
- Add the information for that region to the reserved_mem array with
the starting address and size set to 0.
i.e. fdt_reserved_mem_save_node(node, name, 0, 0).
Note: This region is saved to the array with a starting address of 0
because a starting address is not yet allocated for it.
Stage 2:
After iterating through all the reserved memory nodes and storing their
relevant information in the reserved_mem array,fdt_init_reserved_mem() is
called and does the following:
1) For statically-placed reserved memory regions:
- Call the region specific init function using
__reserved_mem_init_node().
2) For dynamically-placed reserved memory regions:
- Call __reserved_mem_alloc_size() which is used to allocate memory
for each of these regions, and mark them as nomap if they have the
nomap property specified in the DT.
- Call the region specific init function.
The current size of the resvered_mem array is 64 as is defined by
MAX_RESERVED_REGIONS. This means that there is a limitation of 64 for
how many reserved memory regions can be specified on a system.
As systems continue to grow more and more complex, the number of
reserved memory regions needed are also growing and are starting to hit
this 64 count limit, hence the need to make the reserved_mem array
dynamically sized (i.e. dynamically allocating memory for the
reserved_mem array using membock_alloc_*).
On architectures such as arm64, memory allocated using memblock is
writable only after the page tables have been setup. This means that if
the reserved_mem array is going to be dynamically allocated, it needs to
happen after the page tables have been setup, not before.
Since the reserved memory regions are currently being processed and
added to the array before the page tables are setup, there is a need to
change the order in which some of the processing is done to allow for
the reserved_mem array to be dynamically sized.
It is possible to process the statically-placed reserved memory regions
without needing to store them in the reserved_mem array until after the
page tables have been setup because all the information stored in the
array is readily available in the devicetree and can be referenced at
any time.
Dynamically-placed reserved memory regions on the other hand get
assigned a start address only at runtime, and hence need a place to be
stored once they are allocated since there is no other referrence to the
start address for these regions.
Hence this patch changes the processing order of the reserved memory
regions in the following ways:
Step 1:
fdt_scan_reserved_mem() scans through the child nodes of
the reserved_memory node using the flattened devicetree and does the
following:
1) If the node represents a statically-placed reserved memory region,
i.e. if it is defined using the "reg" property:
- Call memblock_reserve() or memblock_mark_nomap() as needed.
2) If the node represents a dynamically-placed reserved memory region,
i.e. if it is defined using "alloc-ranges" and "size" properties:
- Call __reserved_mem_alloc_size() which will:
i) Allocate memory for the reserved region and call
memblock_mark_nomap() as needed.
ii) Call the region specific initialization function using
fdt_init_reserved_mem_node().
iii) Save the region information in the reserved_mem array using
fdt_reserved_mem_save_node().
Step 2:
1) This stage of the reserved memory processing is now only used to add
the statically-placed reserved memory regions into the reserved_mem
array using fdt_scan_reserved_mem_reg_nodes(), as well as call their
region specific initialization functions.
2) This step has also been moved to be after the page tables are
setup. Moving this will allow us to replace the reserved_mem
array with a dynamically sized array before storing the rest of
these regions.
Signed-off-by: Oreoluwa Babatunde <quic_obabatun@quicinc.com>
Link: https://lore.kernel.org/r/20241008220624.551309-2-quic_obabatun@quicinc.com
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
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Rob Herring (Arm)
|
d79616b04f |
of/address: Constify of_busses[] array and pointers
The of_busses array is fixed, so it and all struct of_bus pointers can be const. Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20241010-dt-const-v1-7-87a51f558425@kernel.org Signed-off-by: Rob Herring (Arm) <robh@kernel.org> |
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Rob Herring (Arm)
|
3539089bcc |
of: Constify safe_name() kobject arg
The kobject is not modified by safe_name() function, so make it const. Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20241010-dt-const-v1-6-87a51f558425@kernel.org Signed-off-by: Rob Herring (Arm) <robh@kernel.org> |
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Rob Herring (Arm)
|
7118782dfb |
of: Constify of_changeset_entry function arguments
__of_changeset_entry_invert() and __of_changeset_entry_revert() don't modify struct of_changeset_entry arguments, so they can be const. Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20241010-dt-const-v1-5-87a51f558425@kernel.org Signed-off-by: Rob Herring (Arm) <robh@kernel.org> |
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Rob Herring (Arm)
|
9c63fea9ac |
of: Constify struct property pointers
Most accesses to struct property do not modify it, so constify struct property pointers where ever possible in the DT core code. Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20241010-dt-const-v1-4-87a51f558425@kernel.org Signed-off-by: Rob Herring (Arm) <robh@kernel.org> |
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Rob Herring (Arm)
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ec8c2329da |
of: Constify struct device_node function arguments
Functions which don't change the refcount or otherwise modify struct device_node can make struct device_node const. Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20241010-dt-const-v1-3-87a51f558425@kernel.org Signed-off-by: Rob Herring (Arm) <robh@kernel.org> |
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Stephen Boyd
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6e0391e48c |
of: Skip kunit tests when arm64+ACPI doesn't populate root node
A root node is required to apply DT overlays. A root node is usually present after commit |
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Jinjie Ruan
|
b68694a953 |
of: Fix unbalanced of node refcount and memory leaks
Got following report when doing overlay_test:
OF: ERROR: memory leak, expected refcount 1 instead of 2,
of_node_get()/of_node_put() unbalanced - destroy cset entry:
attach overlay node /kunit-test
OF: ERROR: memory leak before free overlay changeset, /kunit-test
In of_overlay_apply_kunit_cleanup(), the "np" should be associated with
fake instead of test to call of_node_put(), so the node is put before
the overlay is removed.
It also fix the following memory leaks:
unreferenced object 0xffffff80c7d22800 (size 256):
comm "kunit_try_catch", pid 236, jiffies 4294894764
hex dump (first 32 bytes):
d0 26 d4 c2 80 ff ff ff 00 00 00 00 00 00 00 00 .&..............
60 19 75 c1 80 ff ff ff 00 00 00 00 00 00 00 00 `.u.............
backtrace (crc ee0a471c):
[<0000000058ea1340>] kmemleak_alloc+0x34/0x40
[<00000000c538ac7e>] __kmalloc_cache_noprof+0x26c/0x2f4
[<00000000119f34f3>] __of_node_dup+0x4c/0x328
[<00000000b212ca39>] build_changeset_next_level+0x2cc/0x4c0
[<00000000eb208e87>] of_overlay_fdt_apply+0x930/0x1334
[<000000005bdc53a3>] of_overlay_fdt_apply_kunit+0x54/0x10c
[<00000000143acd5d>] of_overlay_apply_kunit_cleanup+0x12c/0x524
[<00000000a813abc8>] kunit_try_run_case+0x13c/0x3ac
[<00000000d77ab00c>] kunit_generic_run_threadfn_adapter+0x80/0xec
[<000000000b296be1>] kthread+0x2e8/0x374
[<0000000007bd1c51>] ret_from_fork+0x10/0x20
unreferenced object 0xffffff80c1751960 (size 16):
comm "kunit_try_catch", pid 236, jiffies 4294894764
hex dump (first 16 bytes):
6b 75 6e 69 74 2d 74 65 73 74 00 c1 80 ff ff ff kunit-test......
backtrace (crc 18196259):
[<0000000058ea1340>] kmemleak_alloc+0x34/0x40
[<0000000071006e2c>] __kmalloc_node_track_caller_noprof+0x300/0x3e0
[<00000000b16ac6cb>] kstrdup+0x48/0x84
[<0000000050e3373b>] __of_node_dup+0x60/0x328
[<00000000b212ca39>] build_changeset_next_level+0x2cc/0x4c0
[<00000000eb208e87>] of_overlay_fdt_apply+0x930/0x1334
[<000000005bdc53a3>] of_overlay_fdt_apply_kunit+0x54/0x10c
[<00000000143acd5d>] of_overlay_apply_kunit_cleanup+0x12c/0x524
[<00000000a813abc8>] kunit_try_run_case+0x13c/0x3ac
[<00000000d77ab00c>] kunit_generic_run_threadfn_adapter+0x80/0xec
[<000000000b296be1>] kthread+0x2e8/0x374
[<0000000007bd1c51>] ret_from_fork+0x10/0x20
unreferenced object 0xffffff80c2e96e00 (size 192):
comm "kunit_try_catch", pid 236, jiffies 4294894764
hex dump (first 32 bytes):
80 19 75 c1 80 ff ff ff 0b 00 00 00 00 00 00 00 ..u.............
a0 19 75 c1 80 ff ff ff 00 6f e9 c2 80 ff ff ff ..u......o......
backtrace (crc 1924cba4):
[<0000000058ea1340>] kmemleak_alloc+0x34/0x40
[<00000000c538ac7e>] __kmalloc_cache_noprof+0x26c/0x2f4
[<000000009fdd35ad>] __of_prop_dup+0x7c/0x2ec
[<00000000aa4e0111>] add_changeset_property+0x548/0x9e0
[<000000004777e25b>] build_changeset_next_level+0xd4/0x4c0
[<00000000a9c93f8a>] build_changeset_next_level+0x3a8/0x4c0
[<00000000eb208e87>] of_overlay_fdt_apply+0x930/0x1334
[<000000005bdc53a3>] of_overlay_fdt_apply_kunit+0x54/0x10c
[<00000000143acd5d>] of_overlay_apply_kunit_cleanup+0x12c/0x524
[<00000000a813abc8>] kunit_try_run_case+0x13c/0x3ac
[<00000000d77ab00c>] kunit_generic_run_threadfn_adapter+0x80/0xec
[<000000000b296be1>] kthread+0x2e8/0x374
[<0000000007bd1c51>] ret_from_fork+0x10/0x20
unreferenced object 0xffffff80c1751980 (size 16):
comm "kunit_try_catch", pid 236, jiffies 4294894764
hex dump (first 16 bytes):
63 6f 6d 70 61 74 69 62 6c 65 00 c1 80 ff ff ff compatible......
backtrace (crc 42df3c87):
[<0000000058ea1340>] kmemleak_alloc+0x34/0x40
[<0000000071006e2c>] __kmalloc_node_track_caller_noprof+0x300/0x3e0
[<00000000b16ac6cb>] kstrdup+0x48/0x84
[<00000000a8888fd8>] __of_prop_dup+0xb0/0x2ec
[<00000000aa4e0111>] add_changeset_property+0x548/0x9e0
[<000000004777e25b>] build_changeset_next_level+0xd4/0x4c0
[<00000000a9c93f8a>] build_changeset_next_level+0x3a8/0x4c0
[<00000000eb208e87>] of_overlay_fdt_apply+0x930/0x1334
[<000000005bdc53a3>] of_overlay_fdt_apply_kunit+0x54/0x10c
[<00000000143acd5d>] of_overlay_apply_kunit_cleanup+0x12c/0x524
[<00000000a813abc8>] kunit_try_run_case+0x13c/0x3ac
[<00000000d77ab00c>] kunit_generic_run_threadfn_adapter+0x80/0xec
[<000000000b296be1>] kthread+0x2e8/0x374
unreferenced object 0xffffff80c2e96f00 (size 192):
comm "kunit_try_catch", pid 236, jiffies 4294894764
hex dump (first 32 bytes):
40 f7 bb c6 80 ff ff ff 0b 00 00 00 00 00 00 00 @...............
c0 19 75 c1 80 ff ff ff 00 00 00 00 00 00 00 00 ..u.............
backtrace (crc f2f57ea7):
[<0000000058ea1340>] kmemleak_alloc+0x34/0x40
[<00000000c538ac7e>] __kmalloc_cache_noprof+0x26c/0x2f4
[<000000009fdd35ad>] __of_prop_dup+0x7c/0x2ec
[<00000000aa4e0111>] add_changeset_property+0x548/0x9e0
[<000000004777e25b>] build_changeset_next_level+0xd4/0x4c0
[<00000000a9c93f8a>] build_changeset_next_level+0x3a8/0x4c0
[<00000000eb208e87>] of_overlay_fdt_apply+0x930/0x1334
[<000000005bdc53a3>] of_overlay_fdt_apply_kunit+0x54/0x10c
[<00000000143acd5d>] of_overlay_apply_kunit_cleanup+0x12c/0x524
[<00000000a813abc8>] kunit_try_run_case+0x13c/0x3ac
[<00000000d77ab00c>] kunit_generic_run_threadfn_adapter+0x80/0xec
[<000000000b296be1>] kthread+0x2e8/0x374
[<0000000007bd1c51>] ret_from_fork+0x10/0x20
......
How to reproduce:
CONFIG_OF_OVERLAY_KUNIT_TEST=y, CONFIG_DEBUG_KMEMLEAK=y
and CONFIG_DEBUG_KMEMLEAK_AUTO_SCAN=y, launch the kernel.
Fixes:
|
||
Ba Jing
|
29bf3116cf |
of:of_numa: remove unused macro
By reading the code, I found the marco DEFAULT_NODE is never referenced in the code. Just remove it. Signed-off-by: Ba Jing <bajing@cmss.chinamobile.com> Link: https://lore.kernel.org/r/20241008060645.36071-1-bajing@cmss.chinamobile.com Signed-off-by: Rob Herring (Arm) <robh@kernel.org> |
||
Linus Torvalds
|
68e5c7d4ce |
Kbuild updates for v6.12
- Support cross-compiling linux-headers Debian package and kernel-devel
RPM package
- Add support for the linux-debug Pacman package
- Improve module rebuilding speed by factoring out the common code to
scripts/module-common.c
- Separate device tree build rules into scripts/Makefile.dtbs
- Add a new script to generate modules.builtin.ranges, which is useful
for tracing tools to find symbols in built-in modules
- Refactor Kconfig and misc tools
- Update Kbuild and Kconfig documentation
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Merge tag 'kbuild-v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada:
- Support cross-compiling linux-headers Debian package and kernel-devel
RPM package
- Add support for the linux-debug Pacman package
- Improve module rebuilding speed by factoring out the common code to
scripts/module-common.c
- Separate device tree build rules into scripts/Makefile.dtbs
- Add a new script to generate modules.builtin.ranges, which is useful
for tracing tools to find symbols in built-in modules
- Refactor Kconfig and misc tools
- Update Kbuild and Kconfig documentation
* tag 'kbuild-v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (51 commits)
kbuild: doc: replace "gcc" in external module description
kbuild: doc: describe the -C option precisely for external module builds
kbuild: doc: remove the description about shipped files
kbuild: doc: drop section numbering, use references in modules.rst
kbuild: doc: throw out the local table of contents in modules.rst
kbuild: doc: remove outdated description of the limitation on -I usage
kbuild: doc: remove description about grepping CONFIG options
kbuild: doc: update the description about Kbuild/Makefile split
kbuild: remove unnecessary export of RUST_LIB_SRC
kbuild: remove append operation on cmd_ld_ko_o
kconfig: cache expression values
kconfig: use hash table to reuse expressions
kconfig: refactor expr_eliminate_dups()
kconfig: add comments to expression transformations
kconfig: change some expr_*() functions to bool
scripts: move hash function from scripts/kconfig/ to scripts/include/
kallsyms: change overflow variable to bool type
kallsyms: squash output_address()
kbuild: add install target for modules.builtin.ranges
scripts: add verifier script for builtin module range data
...
|
||
|
Linus Torvalds
|
9ab27b0186 |
The core clk framework is left largely untouched this time around except for
support for the newly ratified DT property 'assigned-clock-rates-u64'. I'm much
more excited about the support for loading DT overlays from KUnit tests so that
we can test how the clk framework parses DT nodes during clk registration. The
clk framework has some places that are highly DeviceTree dependent so this
charts the path to extend the KUnit tests to cover even more framework code in
the future. I've got some more tests on the list that use the DT overlay
support, but they uncovered issues with clk unregistration that I'm still
working on fixing.
Outside the core, the clk driver update pile is dominated by Qualcomm and
Renesas SoCs, making it fairly usual. Looking closer, there are fixes for
things all over the place, like adding missing clk frequencies or moving
defines for the number of clks out of DT binding headers into the drivers.
There are even conversions of DT bindings to YAML and migration away from
strings to describe clk topology. Overall it doesn't look unusual so I expect
the new drivers to be where we'll have fixes in the coming weeks.
Core:
- KUnit tests for clk registration and fixed rate basic clk type
- A couple more devm helpers, one consumer and one provider
- Support for assigned-clock-rates-u64
New Drivers:
- Camera, display and GPU clocks on Qualcomm SM4450
- Camera clocks on Qualcomm SM8150
- Rockchip rk3576 clks
- Microchip SAM9X7 clks
- Renesas RZ/V2H(P) (R9A09G057) clks
Updates:
- Mark a bunch of struct freq_tbl const to reduce .data usage
- Add Qualcomm MSM8226 A7PLL and Regera PLL support
- Fix the Qualcomm Lucid 5LPE PLL configuration sequence to not reuse
Trion, as they do differ
- A number of fixes to the Qualcomm SM8550 display clock driver
- Fold Qualcomm SM8650 display clock driver into SM8550 one
- Add missing clocks and GDSCs needed for audio on Qualcomm MSM8998
- Add missing USB MP resets, GPLL9, and QUPv3 DFS to Qualcomm SC8180X
- Fix sdcc clk frequency tables on Qualcomm SC8180X
- Drop the Qualcomm SM8150 gcc_cpuss_ahb_clk_src
- Mark Qualcomm PCIe GDSCs as RET_ON on sm8250 and sm8540 to avoid them
turning off during suspend
- Use the HW_CTRL mechanism on Qualcomm SM8550 video clock controller
GDSCs
- Get rid of CLK_NR_CLKS defines in Rockchip DT binding headers
- Some fixes for Rockchip rk3228 and rk3588
- Exynos850: Add clock for Thermal Management Unit
- Exynos7885: Fix duplicated ID in the header, add missing TOP PLLs and
add clocks for USB block in the FSYS clock controller
- ExynosAutov9: Add DPUM clock controller
- ExynosAutov920: Add new (first) clock controllers: TOP and PERIC0
(and a bit more complete bindings)
- Use clk_hw pointer instead of fw_name for acm_aud_clk[0-1]_sel clocks
on i.MX8Q as parents in ACM provider
- Add i.MX95 NETCMIX support to the block control provider
- Fix parents for ENETx_REF_SEL clocks on i.MX6UL
- Add USB clocks, resets and power domains on Renesas RZ/G3S
- Add Generic Timer (GTM), I2C Bus Interface (RIIC), SD/MMC Host
Interface (SDHI) and Watchdog Timer (WDT) clocks and resets on
Renesas RZ/V2H
- Add PCIe, PWM, and CAN-FD clocks on Renesas R-Car V4M
- Add LCD controller clocks and resets on Renesas RZ/G2UL
- Add DMA clocks and resets on Renesas RZ/G3S
- Add fractional multiplication PLL support on Renesas R-Car Gen4
- Document support for the Renesas RZ/G2M v3.0 (r8a774a3) SoC
- Support for the Microchip SAM9X7 SoC as follows:
- Updates for the Microchip PLL drivers
- DT binding documentation updates (for the new clock driver and for
the slow clock controller that SAM9X7 is using)
- A fix for the Microchip SAMA7G5 clock driver to avoid allocating more
memory than necessary
- Constify some Amlogic structs
- Add SM1 eARC clocks for Amlogic
- Introduce a symbol namespace for Amlogic clock specific symbols
- Add reset controller support to audiomix block control on i.MX
- Add CLK_SET_RATE_PARENT flag to all audiomix clocks and to
i.MX7D lcdif_pixel_src clock
- Fix parent clocks for earc_phy and audpll on i.MX8MP
- Fix default parents for enet[12]_ref_sel on i.MX6UL
- Add ops in composite 8M and 93 that allow no-op on disable
- Add check for PCC present bit on composite 7ULP register
- Fix fractional part for fracn-gppll on prepare in i.MX
- Fix clock tree update for TF-A managed clocks on i.MX8M
- Drop CLK_SET_PARENT_GATE for DRAM mux on i.MX7D
- Add the SAI7 IPG clock for i.MX8MN
- Mark the 'nand_usdhc_bus' clock as non-critical on i.MX8MM
- Add LVDS bypass clocks on i.MX8QXP
- Add muxes for MIPI and PHY ref clocks on i.MX
- Reorder dc0_bypass0_clk, lcd_pxl and dc1_disp clocks on i.MX8QXP
- Add 1039.5MHz and 800MHz rates to fracn-gppll table on i.MX
- Add CLK_SET_RATE_PARENT for media_disp pixel clocks on i.MX8QXP
- Add some module descriptions to the i.MX generic and the
i.MXRT1050 driver
- Fix return value for bypass for composite i.MX7ULP
- Move Mediatek clk bindings to clock/
- Convert some more clk bindings to dt schema
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk updates from Stephen Boyd:
"The core clk framework is left largely untouched this time around
except for support for the newly ratified DT property
'assigned-clock-rates-u64'.
I'm much more excited about the support for loading DT overlays from
KUnit tests so that we can test how the clk framework parses DT nodes
during clk registration. The clk framework has some places that are
highly DeviceTree dependent so this charts the path to extend the
KUnit tests to cover even more framework code in the future. I've got
some more tests on the list that use the DT overlay support, but they
uncovered issues with clk unregistration that I'm still working on
fixing.
Outside the core, the clk driver update pile is dominated by Qualcomm
and Renesas SoCs, making it fairly usual. Looking closer, there are
fixes for things all over the place, like adding missing clk
frequencies or moving defines for the number of clks out of DT binding
headers into the drivers. There are even conversions of DT bindings to
YAML and migration away from strings to describe clk topology. Overall
it doesn't look unusual so I expect the new drivers to be where we'll
have fixes in the coming weeks.
Core:
- KUnit tests for clk registration and fixed rate basic clk type
- A couple more devm helpers, one consumer and one provider
- Support for assigned-clock-rates-u64
New Drivers:
- Camera, display and GPU clocks on Qualcomm SM4450
- Camera clocks on Qualcomm SM8150
- Rockchip rk3576 clks
- Microchip SAM9X7 clks
- Renesas RZ/V2H(P) (R9A09G057) clks
Updates:
- Mark a bunch of struct freq_tbl const to reduce .data usage
- Add Qualcomm MSM8226 A7PLL and Regera PLL support
- Fix the Qualcomm Lucid 5LPE PLL configuration sequence to not reuse
Trion, as they do differ
- A number of fixes to the Qualcomm SM8550 display clock driver
- Fold Qualcomm SM8650 display clock driver into SM8550 one
- Add missing clocks and GDSCs needed for audio on Qualcomm MSM8998
- Add missing USB MP resets, GPLL9, and QUPv3 DFS to Qualcomm SC8180X
- Fix sdcc clk frequency tables on Qualcomm SC8180X
- Drop the Qualcomm SM8150 gcc_cpuss_ahb_clk_src
- Mark Qualcomm PCIe GDSCs as RET_ON on sm8250 and sm8540 to avoid
them turning off during suspend
- Use the HW_CTRL mechanism on Qualcomm SM8550 video clock controller
GDSCs
- Get rid of CLK_NR_CLKS defines in Rockchip DT binding headers
- Some fixes for Rockchip rk3228 and rk3588
- Exynos850: Add clock for Thermal Management Unit
- Exynos7885: Fix duplicated ID in the header, add missing TOP PLLs
and add clocks for USB block in the FSYS clock controller
- ExynosAutov9: Add DPUM clock controller
- ExynosAutov920: Add new (first) clock controllers: TOP and PERIC0
(and a bit more complete bindings)
- Use clk_hw pointer instead of fw_name for acm_aud_clk[0-1]_sel
clocks on i.MX8Q as parents in ACM provider
- Add i.MX95 NETCMIX support to the block control provider
- Fix parents for ENETx_REF_SEL clocks on i.MX6UL
- Add USB clocks, resets and power domains on Renesas RZ/G3S
- Add Generic Timer (GTM), I2C Bus Interface (RIIC), SD/MMC Host
Interface (SDHI) and Watchdog Timer (WDT) clocks and resets on
Renesas RZ/V2H
- Add PCIe, PWM, and CAN-FD clocks on Renesas R-Car V4M
- Add LCD controller clocks and resets on Renesas RZ/G2UL
- Add DMA clocks and resets on Renesas RZ/G3S
- Add fractional multiplication PLL support on Renesas R-Car Gen4
- Document support for the Renesas RZ/G2M v3.0 (r8a774a3) SoC
- Support for the Microchip SAM9X7 SoC as follows:
- Updates for the Microchip PLL drivers
- DT binding documentation updates (for the new clock driver and for
the slow clock controller that SAM9X7 is using)
- A fix for the Microchip SAMA7G5 clock driver to avoid allocating
more memory than necessary
- Constify some Amlogic structs
- Add SM1 eARC clocks for Amlogic
- Introduce a symbol namespace for Amlogic clock specific symbols
- Add reset controller support to audiomix block control on i.MX
- Add CLK_SET_RATE_PARENT flag to all audiomix clocks and to i.MX7D
lcdif_pixel_src clock
- Fix parent clocks for earc_phy and audpll on i.MX8MP
- Fix default parents for enet[12]_ref_sel on i.MX6UL
- Add ops in composite 8M and 93 that allow no-op on disable
- Add check for PCC present bit on composite 7ULP register
- Fix fractional part for fracn-gppll on prepare in i.MX
- Fix clock tree update for TF-A managed clocks on i.MX8M
- Drop CLK_SET_PARENT_GATE for DRAM mux on i.MX7D
- Add the SAI7 IPG clock for i.MX8MN
- Mark the 'nand_usdhc_bus' clock as non-critical on i.MX8MM
- Add LVDS bypass clocks on i.MX8QXP
- Add muxes for MIPI and PHY ref clocks on i.MX
- Reorder dc0_bypass0_clk, lcd_pxl and dc1_disp clocks on i.MX8QXP
- Add 1039.5MHz and 800MHz rates to fracn-gppll table on i.MX
- Add CLK_SET_RATE_PARENT for media_disp pixel clocks on i.MX8QXP
- Add some module descriptions to the i.MX generic and the i.MXRT1050
driver
- Fix return value for bypass for composite i.MX7ULP
- Move Mediatek clk bindings to clock/
- Convert some more clk bindings to dt schema"
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (180 commits)
clk: Switch back to struct platform_driver::remove()
dt-bindings: clock, reset: fix top-comment indentation rk3576 headers
clk: rockchip: remove unused mclk_pdm0_p/pdm0_p definitions
clk: provide devm_clk_get_optional_enabled_with_rate()
clk: fixed-rate: add devm_clk_hw_register_fixed_rate_parent_data()
clk: imx6ul: fix clock parent for IMX6UL_CLK_ENETx_REF_SEL
clk: renesas: r9a09g057: Add clock and reset entries for GTM/RIIC/SDHI/WDT
clk: renesas: rzv2h: Add support for dynamic switching divider clocks
clk: renesas: r9a08g045: Add clocks, resets and power domains for USB
clk: rockchip: fix error for unknown clocks
clk: rockchip: rk3588: drop unused code
clk: rockchip: Add clock controller for the RK3576
clk: rockchip: Add new pll type pll_rk3588_ddr
dt-bindings: clock, reset: Add support for rk3576
dt-bindings: clock: rockchip,rk3588-cru: drop unneeded assigned-clocks
clk: rockchip: rk3588: Fix 32k clock name for pmu_24m_32k_100m_src_p
clk: imx95: enable the clock of NETCMIX block control
dt-bindings: clock: add RMII clock selection
dt-bindings: clock: add i.MX95 NETCMIX block control
clk: imx: imx8: Use clk_hw pointer for self registered clock in clk_parent_data
...
|
||
|
Linus Torvalds
|
617a814f14 |
ALong with the usual shower of singleton patches, notable patch series in
this pull request are:
"Align kvrealloc() with krealloc()" from Danilo Krummrich. Adds
consistency to the APIs and behaviour of these two core allocation
functions. This also simplifies/enables Rustification.
"Some cleanups for shmem" from Baolin Wang. No functional changes - mode
code reuse, better function naming, logic simplifications.
"mm: some small page fault cleanups" from Josef Bacik. No functional
changes - code cleanups only.
"Various memory tiering fixes" from Zi Yan. A small fix and a little
cleanup.
"mm/swap: remove boilerplate" from Yu Zhao. Code cleanups and
simplifications and .text shrinkage.
"Kernel stack usage histogram" from Pasha Tatashin and Shakeel Butt. This
is a feature, it adds new feilds to /proc/vmstat such as
$ grep kstack /proc/vmstat
kstack_1k 3
kstack_2k 188
kstack_4k 11391
kstack_8k 243
kstack_16k 0
which tells us that 11391 processes used 4k of stack while none at all
used 16k. Useful for some system tuning things, but partivularly useful
for "the dynamic kernel stack project".
"kmemleak: support for percpu memory leak detect" from Pavel Tikhomirov.
Teaches kmemleak to detect leaksage of percpu memory.
"mm: memcg: page counters optimizations" from Roman Gushchin. "3
independent small optimizations of page counters".
"mm: split PTE/PMD PT table Kconfig cleanups+clarifications" from David
Hildenbrand. Improves PTE/PMD splitlock detection, makes powerpc/8xx work
correctly by design rather than by accident.
"mm: remove arch_make_page_accessible()" from David Hildenbrand. Some
folio conversions which make arch_make_page_accessible() unneeded.
"mm, memcg: cg2 memory{.swap,}.peak write handlers" fro David Finkel.
Cleans up and fixes our handling of the resetting of the cgroup/process
peak-memory-use detector.
"Make core VMA operations internal and testable" from Lorenzo Stoakes.
Rationalizaion and encapsulation of the VMA manipulation APIs. With a
view to better enable testing of the VMA functions, even from a
userspace-only harness.
"mm: zswap: fixes for global shrinker" from Takero Funaki. Fix issues in
the zswap global shrinker, resulting in improved performance.
"mm: print the promo watermark in zoneinfo" from Kaiyang Zhao. Fill in
some missing info in /proc/zoneinfo.
"mm: replace follow_page() by folio_walk" from David Hildenbrand. Code
cleanups and rationalizations (conversion to folio_walk()) resulting in
the removal of follow_page().
"improving dynamic zswap shrinker protection scheme" from Nhat Pham. Some
tuning to improve zswap's dynamic shrinker. Significant reductions in
swapin and improvements in performance are shown.
"mm: Fix several issues with unaccepted memory" from Kirill Shutemov.
Improvements to the new unaccepted memory feature,
"mm/mprotect: Fix dax puds" from Peter Xu. Implements mprotect on DAX
PUDs. This was missing, although nobody seems to have notied yet.
"Introduce a store type enum for the Maple tree" from Sidhartha Kumar.
Cleanups and modest performance improvements for the maple tree library
code.
"memcg: further decouple v1 code from v2" from Shakeel Butt. Move more
cgroup v1 remnants away from the v2 memcg code.
"memcg: initiate deprecation of v1 features" from Shakeel Butt. Adds
various warnings telling users that memcg v1 features are deprecated.
"mm: swap: mTHP swap allocator base on swap cluster order" from Chris Li.
Greatly improves the success rate of the mTHP swap allocation.
"mm: introduce numa_memblks" from Mike Rapoport. Moves various disparate
per-arch implementations of numa_memblk code into generic code.
"mm: batch free swaps for zap_pte_range()" from Barry Song. Greatly
improves the performance of munmap() of swap-filled ptes.
"support large folio swap-out and swap-in for shmem" from Baolin Wang.
With this series we no longer split shmem large folios into simgle-page
folios when swapping out shmem.
"mm/hugetlb: alloc/free gigantic folios" from Yu Zhao. Nice performance
improvements and code reductions for gigantic folios.
"support shmem mTHP collapse" from Baolin Wang. Adds support for
khugepaged's collapsing of shmem mTHP folios.
"mm: Optimize mseal checks" from Pedro Falcato. Fixes an mprotect()
performance regression due to the addition of mseal().
"Increase the number of bits available in page_type" from Matthew Wilcox.
Increases the number of bits available in page_type!
"Simplify the page flags a little" from Matthew Wilcox. Many legacy page
flags are now folio flags, so the page-based flags and their
accessors/mutators can be removed.
"mm: store zero pages to be swapped out in a bitmap" from Usama Arif. An
optimization which permits us to avoid writing/reading zero-filled zswap
pages to backing store.
"Avoid MAP_FIXED gap exposure" from Liam Howlett. Fixes a race window
which occurs when a MAP_FIXED operqtion is occurring during an unrelated
vma tree walk.
"mm: remove vma_merge()" from Lorenzo Stoakes. Major rotorooting of the
vma_merge() functionality, making ot cleaner, more testable and better
tested.
"misc fixups for DAMON {self,kunit} tests" from SeongJae Park. Minor
fixups of DAMON selftests and kunit tests.
"mm: memory_hotplug: improve do_migrate_range()" from Kefeng Wang. Code
cleanups and folio conversions.
"Shmem mTHP controls and stats improvements" from Ryan Roberts. Cleanups
for shmem controls and stats.
"mm: count the number of anonymous THPs per size" from Barry Song. Expose
additional anon THP stats to userspace for improved tuning.
"mm: finish isolate/putback_lru_page()" from Kefeng Wang: more folio
conversions and removal of now-unused page-based APIs.
"replace per-quota region priorities histogram buffer with per-context
one" from SeongJae Park. DAMON histogram rationalization.
"Docs/damon: update GitHub repo URLs and maintainer-profile" from SeongJae
Park. DAMON documentation updates.
"mm/vdpa: correct misuse of non-direct-reclaim __GFP_NOFAIL and improve
related doc and warn" from Jason Wang: fixes usage of page allocator
__GFP_NOFAIL and GFP_ATOMIC flags.
"mm: split underused THPs" from Yu Zhao. Improve THP=always policy - this
was overprovisioning THPs in sparsely accessed memory areas.
"zram: introduce custom comp backends API" frm Sergey Senozhatsky. Add
support for zram run-time compression algorithm tuning.
"mm: Care about shadow stack guard gap when getting an unmapped area" from
Mark Brown. Fix up the various arch_get_unmapped_area() implementations
to better respect guard areas.
"Improve mem_cgroup_iter()" from Kinsey Ho. Improve the reliability of
mem_cgroup_iter() and various code cleanups.
"mm: Support huge pfnmaps" from Peter Xu. Extends the usage of huge
pfnmap support.
"resource: Fix region_intersects() vs add_memory_driver_managed()" from
Huang Ying. Fix a bug in region_intersects() for systems with CXL memory.
"mm: hwpoison: two more poison recovery" from Kefeng Wang. Teaches a
couple more code paths to correctly recover from the encountering of
poisoned memry.
"mm: enable large folios swap-in support" from Barry Song. Support the
swapin of mTHP memory into appropriately-sized folios, rather than into
single-page folios.
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Merge tag 'mm-stable-2024-09-20-02-31' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull MM updates from Andrew Morton:
"Along with the usual shower of singleton patches, notable patch series
in this pull request are:
- "Align kvrealloc() with krealloc()" from Danilo Krummrich. Adds
consistency to the APIs and behaviour of these two core allocation
functions. This also simplifies/enables Rustification.
- "Some cleanups for shmem" from Baolin Wang. No functional changes -
mode code reuse, better function naming, logic simplifications.
- "mm: some small page fault cleanups" from Josef Bacik. No
functional changes - code cleanups only.
- "Various memory tiering fixes" from Zi Yan. A small fix and a
little cleanup.
- "mm/swap: remove boilerplate" from Yu Zhao. Code cleanups and
simplifications and .text shrinkage.
- "Kernel stack usage histogram" from Pasha Tatashin and Shakeel
Butt. This is a feature, it adds new feilds to /proc/vmstat such as
$ grep kstack /proc/vmstat
kstack_1k 3
kstack_2k 188
kstack_4k 11391
kstack_8k 243
kstack_16k 0
which tells us that 11391 processes used 4k of stack while none at
all used 16k. Useful for some system tuning things, but
partivularly useful for "the dynamic kernel stack project".
- "kmemleak: support for percpu memory leak detect" from Pavel
Tikhomirov. Teaches kmemleak to detect leaksage of percpu memory.
- "mm: memcg: page counters optimizations" from Roman Gushchin. "3
independent small optimizations of page counters".
- "mm: split PTE/PMD PT table Kconfig cleanups+clarifications" from
David Hildenbrand. Improves PTE/PMD splitlock detection, makes
powerpc/8xx work correctly by design rather than by accident.
- "mm: remove arch_make_page_accessible()" from David Hildenbrand.
Some folio conversions which make arch_make_page_accessible()
unneeded.
- "mm, memcg: cg2 memory{.swap,}.peak write handlers" fro David
Finkel. Cleans up and fixes our handling of the resetting of the
cgroup/process peak-memory-use detector.
- "Make core VMA operations internal and testable" from Lorenzo
Stoakes. Rationalizaion and encapsulation of the VMA manipulation
APIs. With a view to better enable testing of the VMA functions,
even from a userspace-only harness.
- "mm: zswap: fixes for global shrinker" from Takero Funaki. Fix
issues in the zswap global shrinker, resulting in improved
performance.
- "mm: print the promo watermark in zoneinfo" from Kaiyang Zhao. Fill
in some missing info in /proc/zoneinfo.
- "mm: replace follow_page() by folio_walk" from David Hildenbrand.
Code cleanups and rationalizations (conversion to folio_walk())
resulting in the removal of follow_page().
- "improving dynamic zswap shrinker protection scheme" from Nhat
Pham. Some tuning to improve zswap's dynamic shrinker. Significant
reductions in swapin and improvements in performance are shown.
- "mm: Fix several issues with unaccepted memory" from Kirill
Shutemov. Improvements to the new unaccepted memory feature,
- "mm/mprotect: Fix dax puds" from Peter Xu. Implements mprotect on
DAX PUDs. This was missing, although nobody seems to have notied
yet.
- "Introduce a store type enum for the Maple tree" from Sidhartha
Kumar. Cleanups and modest performance improvements for the maple
tree library code.
- "memcg: further decouple v1 code from v2" from Shakeel Butt. Move
more cgroup v1 remnants away from the v2 memcg code.
- "memcg: initiate deprecation of v1 features" from Shakeel Butt.
Adds various warnings telling users that memcg v1 features are
deprecated.
- "mm: swap: mTHP swap allocator base on swap cluster order" from
Chris Li. Greatly improves the success rate of the mTHP swap
allocation.
- "mm: introduce numa_memblks" from Mike Rapoport. Moves various
disparate per-arch implementations of numa_memblk code into generic
code.
- "mm: batch free swaps for zap_pte_range()" from Barry Song. Greatly
improves the performance of munmap() of swap-filled ptes.
- "support large folio swap-out and swap-in for shmem" from Baolin
Wang. With this series we no longer split shmem large folios into
simgle-page folios when swapping out shmem.
- "mm/hugetlb: alloc/free gigantic folios" from Yu Zhao. Nice
performance improvements and code reductions for gigantic folios.
- "support shmem mTHP collapse" from Baolin Wang. Adds support for
khugepaged's collapsing of shmem mTHP folios.
- "mm: Optimize mseal checks" from Pedro Falcato. Fixes an mprotect()
performance regression due to the addition of mseal().
- "Increase the number of bits available in page_type" from Matthew
Wilcox. Increases the number of bits available in page_type!
- "Simplify the page flags a little" from Matthew Wilcox. Many legacy
page flags are now folio flags, so the page-based flags and their
accessors/mutators can be removed.
- "mm: store zero pages to be swapped out in a bitmap" from Usama
Arif. An optimization which permits us to avoid writing/reading
zero-filled zswap pages to backing store.
- "Avoid MAP_FIXED gap exposure" from Liam Howlett. Fixes a race
window which occurs when a MAP_FIXED operqtion is occurring during
an unrelated vma tree walk.
- "mm: remove vma_merge()" from Lorenzo Stoakes. Major rotorooting of
the vma_merge() functionality, making ot cleaner, more testable and
better tested.
- "misc fixups for DAMON {self,kunit} tests" from SeongJae Park.
Minor fixups of DAMON selftests and kunit tests.
- "mm: memory_hotplug: improve do_migrate_range()" from Kefeng Wang.
Code cleanups and folio conversions.
- "Shmem mTHP controls and stats improvements" from Ryan Roberts.
Cleanups for shmem controls and stats.
- "mm: count the number of anonymous THPs per size" from Barry Song.
Expose additional anon THP stats to userspace for improved tuning.
- "mm: finish isolate/putback_lru_page()" from Kefeng Wang: more
folio conversions and removal of now-unused page-based APIs.
- "replace per-quota region priorities histogram buffer with
per-context one" from SeongJae Park. DAMON histogram
rationalization.
- "Docs/damon: update GitHub repo URLs and maintainer-profile" from
SeongJae Park. DAMON documentation updates.
- "mm/vdpa: correct misuse of non-direct-reclaim __GFP_NOFAIL and
improve related doc and warn" from Jason Wang: fixes usage of page
allocator __GFP_NOFAIL and GFP_ATOMIC flags.
- "mm: split underused THPs" from Yu Zhao. Improve THP=always policy.
This was overprovisioning THPs in sparsely accessed memory areas.
- "zram: introduce custom comp backends API" frm Sergey Senozhatsky.
Add support for zram run-time compression algorithm tuning.
- "mm: Care about shadow stack guard gap when getting an unmapped
area" from Mark Brown. Fix up the various arch_get_unmapped_area()
implementations to better respect guard areas.
- "Improve mem_cgroup_iter()" from Kinsey Ho. Improve the reliability
of mem_cgroup_iter() and various code cleanups.
- "mm: Support huge pfnmaps" from Peter Xu. Extends the usage of huge
pfnmap support.
- "resource: Fix region_intersects() vs add_memory_driver_managed()"
from Huang Ying. Fix a bug in region_intersects() for systems with
CXL memory.
- "mm: hwpoison: two more poison recovery" from Kefeng Wang. Teaches
a couple more code paths to correctly recover from the encountering
of poisoned memry.
- "mm: enable large folios swap-in support" from Barry Song. Support
the swapin of mTHP memory into appropriately-sized folios, rather
than into single-page folios"
* tag 'mm-stable-2024-09-20-02-31' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (416 commits)
zram: free secondary algorithms names
uprobes: turn xol_area->pages[2] into xol_area->page
uprobes: introduce the global struct vm_special_mapping xol_mapping
Revert "uprobes: use vm_special_mapping close() functionality"
mm: support large folios swap-in for sync io devices
mm: add nr argument in mem_cgroup_swapin_uncharge_swap() helper to support large folios
mm: fix swap_read_folio_zeromap() for large folios with partial zeromap
mm/debug_vm_pgtable: Use pxdp_get() for accessing page table entries
set_memory: add __must_check to generic stubs
mm/vma: return the exact errno in vms_gather_munmap_vmas()
memcg: cleanup with !CONFIG_MEMCG_V1
mm/show_mem.c: report alloc tags in human readable units
mm: support poison recovery from copy_present_page()
mm: support poison recovery from do_cow_fault()
resource, kunit: add test case for region_intersects()
resource: make alloc_free_mem_region() works for iomem_resource
mm: z3fold: deprecate CONFIG_Z3FOLD
vfio/pci: implement huge_fault support
mm/arm64: support large pfn mappings
mm/x86: support large pfn mappings
...
|
||
|
Linus Torvalds
|
2a17bb8c20 |
Devicetree updates for v6.12:
DT Bindings:
- Drop duplicate devices in trivial-devices.yaml
- Add a common serial peripheral device schema and reference it in
serial device schemas.
- Convert nxp,lpc1850-wdt, zii,rave-wdt, ti,davinci-wdt,
snps,archs-pct, fsl,bcsr, fsl,fpga-qixis-i2c, fsl,fpga-qixis,
fsl,cpm-enet, fsl,cpm-mdio, fsl,ucc-hdlc, maxim,ds26522,
aspeed,ast2400-cvic, aspeed,ast2400-vic, fsl,ftm-timer,
ti,davinci-timer, fsl,rcpm, and qcom,ebi2 to DT schema
- Add support for rockchip,rk3576-wdt, qcom,apss-wdt-sa8255p,
fsl,imx8qm-irqsteer, qcom,pm6150-vib, qcom,sa8255p-pdc, isil,isl69260,
ti,tps546d24, and lpc32xx DMA mux
- Drop duplicate nvidia,tegra186-ccplex-cluster.yaml and
mediatek,mt6795-sys-clock.yaml
- Add arm,gic ESPI and EPPI interrupt type specifiers
- Add another batch of legacy compatible strings which we have no
intention of documenting
- Add dmas/dma-names properties to FSL lcdif
- Fix wakeup-source reference to m8921-keypad.yaml
- Treewide fixes of typos in bindings
DT Core:
- Update dtc/libfdt to upstream version v1.7.0-95-gbcd02b523429
- More conversions to scoped iterators and __free() initializer
- Handle overflows in address resources on 32-bit systems
- Extend extracting compatible strings in sources from function
parameters
- Use of_property_present() in DT unittest
- Clean-up of_irq_to_resource() to use helpers
- Support #msi-cells=<0> in of_msi_get_domain()
- Improve the kerneldoc for of_property_match_string()
- kselftest: Ignore nodes that have ancestors disabled
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Merge tag 'devicetree-for-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree updates from Rob Herring:
"DT Bindings:
- Drop duplicate devices in trivial-devices.yaml
- Add a common serial peripheral device schema and reference it in
serial device schemas.
- Convert nxp,lpc1850-wdt, zii,rave-wdt, ti,davinci-wdt,
snps,archs-pct, fsl,bcsr, fsl,fpga-qixis-i2c, fsl,fpga-qixis,
fsl,cpm-enet, fsl,cpm-mdio, fsl,ucc-hdlc, maxim,ds26522,
aspeed,ast2400-cvic, aspeed,ast2400-vic, fsl,ftm-timer,
ti,davinci-timer, fsl,rcpm, and qcom,ebi2 to DT schema
- Add support for rockchip,rk3576-wdt, qcom,apss-wdt-sa8255p,
fsl,imx8qm-irqsteer, qcom,pm6150-vib, qcom,sa8255p-pdc,
isil,isl69260, ti,tps546d24, and lpc32xx DMA mux
- Drop duplicate nvidia,tegra186-ccplex-cluster.yaml and
mediatek,mt6795-sys-clock.yaml
- Add arm,gic ESPI and EPPI interrupt type specifiers
- Add another batch of legacy compatible strings which we have no
intention of documenting
- Add dmas/dma-names properties to FSL lcdif
- Fix wakeup-source reference to m8921-keypad.yaml
- Treewide fixes of typos in bindings
DT Core:
- Update dtc/libfdt to upstream version v1.7.0-95-gbcd02b523429
- More conversions to scoped iterators and __free() initializer
- Handle overflows in address resources on 32-bit systems
- Extend extracting compatible strings in sources from function
parameters
- Use of_property_present() in DT unittest
- Clean-up of_irq_to_resource() to use helpers
- Support #msi-cells=<0> in of_msi_get_domain()
- Improve the kerneldoc for of_property_match_string()
- kselftest: Ignore nodes that have ancestors disabled"
* tag 'devicetree-for-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (59 commits)
dt-bindings: watchdog: Add rockchip,rk3576-wdt compatible
dt-bindings: cpu: Drop duplicate nvidia,tegra186-ccplex-cluster.yaml
dt-bindings: clock: mediatek: Drop duplicate mediatek,mt6795-sys-clock.yaml
of/irq: Use helper to define resources
of/irq: Make use of irq_get_trigger_type()
dt-bindings: clk: vc5: Make SD/OE pin configuration properties not required
drivers/of: Improve documentation for match_string
of: property: Do some clean up with use of __free()
dt-bindings: watchdog: qcom-wdt: document support on SA8255p
dt-bindings: interrupt-controller: fsl,irqsteer: Document fsl,imx8qm-irqsteer
dt-bindings: interrupt-controller: arm,gic: add ESPI and EPPI specifiers
dt-bindings: dma: Add lpc32xx DMA mux binding
dt-bindings: trivial-devices: Drop duplicate "maxim,max1237"
dt-bindings: trivial-devices: Drop duplicate LM75 compatible devices
dt-bindings: trivial-devices: Deprecate "ad,ad7414"
dt-bindings: trivial-devices: Drop incorrect and duplicate at24 compatibles
dt-bindings: wakeup-source: update reference to m8921-keypad.yaml
dt-bindings: interrupt-controller: qcom-pdc: document support for SA8255p
dt-bindings: Fix various typos
of: address: Unify resource bounds overflow checking
...
|
||
Vasileios Amoiridis
|
0423caceb4 |
of/irq: Use helper to define resources
Resources definition can become simpler and more organised by using the dedicated helpers. Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Vasileios Amoiridis <vassilisamir@gmail.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20240912221605.27089-3-vassilisamir@gmail.com Signed-off-by: Rob Herring (Arm) <robh@kernel.org> |
||
|
Vasileios Amoiridis
|
ba3c92ba09 |
of/irq: Make use of irq_get_trigger_type()
Convert irqd_get_trigger_type(irq_get_irq_data(irq)) cases to the more simple irq_get_trigger_type(irq). Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Signed-off-by: Vasileios Amoiridis <vassilisamir@gmail.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20240912221605.27089-2-vassilisamir@gmail.com Signed-off-by: Rob Herring (Arm) <robh@kernel.org> |
||
Miquel Sabaté Solà
|
6417edb5d1 |
drivers/of: Improve documentation for match_string
The description of the function now explicitly states that it's an *exact* match for the given string (i.e. not a submatch). It also better states all the possible return values. Signed-off-by: Miquel Sabaté Solà <mikisabate@gmail.com> Link: https://lore.kernel.org/r/20240911204938.9172-1-mikisabate@gmail.com Signed-off-by: Rob Herring (Arm) <robh@kernel.org> |
||
Zhang Zekun
|
69b860034c |
of: property: Do some clean up with use of __free()
__free() provides a scoped of_node_put() functionality to put the device_node automatically, and we don't need to call of_node_put() directly. Let's simplify the code a bit with the use of __free(). Signed-off-by: Zhang Zekun <zhangzekun11@huawei.com> Link: https://lore.kernel.org/r/20240830020626.115933-4-zhangzekun11@huawei.com Signed-off-by: Rob Herring (Arm) <robh@kernel.org> |
||
Thomas Weißschuh
|
1a52a094c2 |
of: address: Unify resource bounds overflow checking
The members "start" and "end" of struct resource are of type "resource_size_t" which can be 32bit wide. Values read from OF however are always 64bit wide. Refactor the diff overflow checks into a helper function. Also extend the checks to validate each calculation step. Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Link: https://lore.kernel.org/r/20240906-of-address-overflow-v1-1-19567aaa61da@linutronix.de [robh: Fix to not return error on 0 sized resource] Signed-off-by: Rob Herring (Arm) <robh@kernel.org> |
||
Masahiro Yamada
|
e7e2941300 |
kbuild: split device tree build rules into scripts/Makefile.dtbs
scripts/Makefile.lib is included not only from scripts/Makefile.build
but also from scripts/Makefile.{modfinal,package,vmlinux,vmlinux_o},
where DT build rules are not required.
Split the DT build rules out to scripts/Makefile.dtbs, and include it
only when necessary.
While I was here, I added $(DT_TMP_SCHEMA) as a prerequisite of
$(multi-dtb-y).
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
|
||
|
Thomas Weißschuh
|
000f6d588a |
of: address: Report error on resource bounds overflow
The members "start" and "end" of struct resource are of type "resource_size_t" which can be 32bit wide. Values read from OF however are always 64bit wide. Avoid silently truncating the value and instead return an error value. This can happen on real systems when the DT was created for a PAE-enabled kernel and a non-PAE kernel is actually running. For example with an arm defconfig and "qemu-system-arm -M virt". Link: https://bugs.launchpad.net/qemu/+bug/1790975 Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Tested-by: Nam Cao <namcao@linutronix.de> Reviewed-by: Nam Cao <namcao@linutronix.de> Link: https://lore.kernel.org/r/20240905-of-resource-overflow-v1-1-0cd8bb92cc1f@linutronix.de Cc: stable@vger.kernel.org Signed-off-by: Rob Herring (Arm) <robh@kernel.org> |
||
Mike Rapoport (Microsoft)
|
7e488677a5 |
of, numa: return -EINVAL when no numa-node-id is found
Currently of_numa_parse_memory_nodes() returns 0 if no "memory" node in device tree contains "numa-node-id" property. This makes of_numa_init() to return "success" despite no NUMA nodes were actually parsed and set up. arch_numa workarounds this by returning an error if numa_nodes_parsed is empty. numa_memblks however would WARN() in such case and since it will be used by arch_numa shortly, such warning is not desirable. Make sure of_numa_init() returns -EINVAL when no NUMA node information was found in the device tree. Link: https://lkml.kernel.org/r/20240807064110.1003856-24-rppt@kernel.org Signed-off-by: Mike Rapoport (Microsoft) <rppt@kernel.org> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Tested-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> [arm64 + CXL via QEMU] Acked-by: Dan Williams <dan.j.williams@intel.com> Acked-by: David Hildenbrand <david@redhat.com> Cc: Alexander Gordeev <agordeev@linux.ibm.com> Cc: Andreas Larsson <andreas@gaisler.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Borislav Petkov <bp@alien8.de> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Christophe Leroy <christophe.leroy@csgroup.eu> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: Davidlohr Bueso <dave@stgolabs.net> Cc: David S. Miller <davem@davemloft.net> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Heiko Carstens <hca@linux.ibm.com> Cc: Huacai Chen <chenhuacai@kernel.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiaxun Yang <jiaxun.yang@flygoat.com> Cc: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Palmer Dabbelt <palmer@dabbelt.com> Cc: Rafael J. Wysocki <rafael@kernel.org> Cc: Rob Herring (Arm) <robh@kernel.org> Cc: Samuel Holland <samuel.holland@sifive.com> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Vasily Gorbik <gor@linux.ibm.com> Cc: Will Deacon <will@kernel.org> Cc: Zi Yan <ziy@nvidia.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
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Mike Rapoport (Microsoft)
|
8748270821 |
mm: introduce numa_memblks
Move code dealing with numa_memblks from arch/x86 to mm/ and add Kconfig options to let x86 select it in its Kconfig. This code will be later reused by arch_numa. No functional changes. Link: https://lkml.kernel.org/r/20240807064110.1003856-18-rppt@kernel.org Signed-off-by: Mike Rapoport (Microsoft) <rppt@kernel.org> Tested-by: Zi Yan <ziy@nvidia.com> # for x86_64 and arm64 Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Tested-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> [arm64 + CXL via QEMU] Acked-by: Dan Williams <dan.j.williams@intel.com> Acked-by: David Hildenbrand <david@redhat.com> Cc: Alexander Gordeev <agordeev@linux.ibm.com> Cc: Andreas Larsson <andreas@gaisler.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Borislav Petkov <bp@alien8.de> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Christophe Leroy <christophe.leroy@csgroup.eu> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: Davidlohr Bueso <dave@stgolabs.net> Cc: David S. Miller <davem@davemloft.net> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Heiko Carstens <hca@linux.ibm.com> Cc: Huacai Chen <chenhuacai@kernel.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiaxun Yang <jiaxun.yang@flygoat.com> Cc: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Palmer Dabbelt <palmer@dabbelt.com> Cc: Rafael J. Wysocki <rafael@kernel.org> Cc: Rob Herring (Arm) <robh@kernel.org> Cc: Samuel Holland <samuel.holland@sifive.com> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Vasily Gorbik <gor@linux.ibm.com> Cc: Will Deacon <will@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
Dave Airlie
|
27f5b729cb |
A revert for a previous TTM commit causing stuttering, 3 fixes for
vmwgfx related to buffer operations, a fix for video/aperture with non-VGA primary devices, and a preemption status fix for v3d -----BEGIN PGP SIGNATURE----- iJUEABMJAB0WIQTkHFbLp4ejekA/qfgnX84Zoj2+dgUCZtCKzwAKCRAnX84Zoj2+ drMcAYDvGyENhD3jcOSM0vd1pEgleMSKoD4sbsj+JO6vMona7/dWzpUXHyxZg0P9 7gOZAkwBgMQHQKWBOga/LnloJi1/GC4Y7pjR4tDzLRO4ejbGdStLK8vEMKJKltwB ej1UUueBAQ== =4GlG -----END PGP SIGNATURE----- Merge tag 'drm-misc-fixes-2024-08-29' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes A revert for a previous TTM commit causing stuttering, 3 fixes for vmwgfx related to buffer operations, a fix for video/aperture with non-VGA primary devices, and a preemption status fix for v3d Signed-off-by: Dave Airlie <airlied@redhat.com> From: Maxime Ripard <mripard@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240829-efficient-swift-from-lemuria-f60c05@houat |
||
Alex Deucher
|
b49420d6a1 |
video/aperture: optionally match the device in sysfb_disable()
In aperture_remove_conflicting_pci_devices(), we currently only
call sysfb_disable() on vga class devices. This leads to the
following problem when the pimary device is not VGA compatible:
1. A PCI device with a non-VGA class is the boot display
2. That device is probed first and it is not a VGA device so
sysfb_disable() is not called, but the device resources
are freed by aperture_detach_platform_device()
3. Non-primary GPU has a VGA class and it ends up calling sysfb_disable()
4. NULL pointer dereference via sysfb_disable() since the resources
have already been freed by aperture_detach_platform_device() when
it was called by the other device.
Fix this by passing a device pointer to sysfb_disable() and checking
the device to determine if we should execute it or not.
v2: Fix build when CONFIG_SCREEN_INFO is not set
v3: Move device check into the mutex
Drop primary variable in aperture_remove_conflicting_pci_devices()
Drop __init on pci sysfb_pci_dev_is_enabled()
Fixes:
|
||
|
Jinjie Ruan
|
97c5aac4f2 |
of: resolver: Simplify with scoped for each OF child loop
Use scoped for_each_child_of_node_scoped() when iterating over device nodes to make code a bit simpler. Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com> Link: https://lore.kernel.org/r/20240826062408.2406734-4-ruanjinjie@huawei.com Signed-off-by: Rob Herring (Arm) <robh@kernel.org> |
||
|
Jinjie Ruan
|
bd7b58681a |
of/platform: Simplify with scoped for each OF child
Use scoped for_each_child_of_node_scoped() when iterating over device nodes to make code a bit simpler. Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com> Link: https://lore.kernel.org/r/20240826062408.2406734-3-ruanjinjie@huawei.com Signed-off-by: Rob Herring (Arm) <robh@kernel.org> |
||
|
Jinjie Ruan
|
af7460d5e1 |
of: overlay: Simplify with scoped for each OF child loop
Use scoped for_each_child_of_node_scoped() when iterating over device nodes to make code a bit simpler. Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com> Link: https://lore.kernel.org/r/20240826062408.2406734-2-ruanjinjie@huawei.com Signed-off-by: Rob Herring (Arm) <robh@kernel.org> |
||
Geert Uytterhoeven
|
39ab331ab5 |
of/irq: Refer to actual buffer size in of_irq_parse_one()
Replace two open-coded calculations of the buffer size by invocations of sizeof() on the buffer itself, to make sure the code will always use the actual buffer size. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Link: https://lore.kernel.org/r/817c0b9626fd30790fc488c472a3398324cfcc0c.1724156125.git.geert+renesas@glider.be Signed-off-by: Rob Herring (Arm) <robh@kernel.org> |
||
|
Rob Herring (Arm)
|
d6ae27bb86 |
Merge branch 'dt/linus' into dt/next
Pull in fixes to apply further refactoring. |
||
Andrew Jones
|
db8e81132c |
of/irq: Support #msi-cells=<0> in of_msi_get_domain
An 'msi-parent' property with a single entry and no accompanying '#msi-cells' property is considered the legacy definition as opposed to its definition after being expanded with commit |
||
Stefan Wiehler
|
b739dffa5d |
of/irq: Prevent device address out-of-bounds read in interrupt map walk
When of_irq_parse_raw() is invoked with a device address smaller than the interrupt parent node (from #address-cells property), KASAN detects the following out-of-bounds read when populating the initial match table (dyndbg="func of_irq_parse_* +p"): OF: of_irq_parse_one: dev=/soc@0/picasso/watchdog, index=0 OF: parent=/soc@0/pci@878000000000/gpio0@17,0, intsize=2 OF: intspec=4 OF: of_irq_parse_raw: ipar=/soc@0/pci@878000000000/gpio0@17,0, size=2 OF: -> addrsize=3 ================================================================== BUG: KASAN: slab-out-of-bounds in of_irq_parse_raw+0x2b8/0x8d0 Read of size 4 at addr ffffff81beca5608 by task bash/764 CPU: 1 PID: 764 Comm: bash Tainted: G O 6.1.67-484c613561-nokia_sm_arm64 #1 Hardware name: Unknown Unknown Product/Unknown Product, BIOS 2023.01-12.24.03-dirty 01/01/2023 Call trace: dump_backtrace+0xdc/0x130 show_stack+0x1c/0x30 dump_stack_lvl+0x6c/0x84 print_report+0x150/0x448 kasan_report+0x98/0x140 __asan_load4+0x78/0xa0 of_irq_parse_raw+0x2b8/0x8d0 of_irq_parse_one+0x24c/0x270 parse_interrupts+0xc0/0x120 of_fwnode_add_links+0x100/0x2d0 fw_devlink_parse_fwtree+0x64/0xc0 device_add+0xb38/0xc30 of_device_add+0x64/0x90 of_platform_device_create_pdata+0xd0/0x170 of_platform_bus_create+0x244/0x600 of_platform_notify+0x1b0/0x254 blocking_notifier_call_chain+0x9c/0xd0 __of_changeset_entry_notify+0x1b8/0x230 __of_changeset_apply_notify+0x54/0xe4 of_overlay_fdt_apply+0xc04/0xd94 ... The buggy address belongs to the object at ffffff81beca5600 which belongs to the cache kmalloc-128 of size 128 The buggy address is located 8 bytes inside of 128-byte region [ffffff81beca5600, ffffff81beca5680) The buggy address belongs to the physical page: page:00000000230d3d03 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1beca4 head:00000000230d3d03 order:1 compound_mapcount:0 compound_pincount:0 flags: 0x8000000000010200(slab|head|zone=2) raw: 8000000000010200 0000000000000000 dead000000000122 ffffff810000c300 raw: 0000000000000000 0000000000200020 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffffff81beca5500: 04 fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffffff81beca5580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffffff81beca5600: 00 fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ^ ffffff81beca5680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffffff81beca5700: 00 00 00 00 00 00 fc fc fc fc fc fc fc fc fc fc ================================================================== OF: -> got it ! Prevent the out-of-bounds read by copying the device address into a buffer of sufficient size. Signed-off-by: Stefan Wiehler <stefan.wiehler@nokia.com> Link: https://lore.kernel.org/r/20240812100652.3800963-1-stefan.wiehler@nokia.com Signed-off-by: Rob Herring (Arm) <robh@kernel.org> |
||
|
Rob Herring (Arm)
|
1c668ea655 |
of: unittest: Use of_property_present()
Use of_property_present() to test for property presence rather than of_find_property(). This is part of a larger effort to remove callers of of_find_property() and similar functions. of_find_property() leaks the DT struct property and data pointers which is a problem for dynamically allocated nodes which may be freed. Link: https://lore.kernel.org/r/20240731191312.1710417-10-robh@kernel.org Signed-off-by: Rob Herring (Arm) <robh@kernel.org> |
||
|
Stephen Boyd
|
5c9dd72d83 |
of: Add a KUnit test for overlays and test managed APIs
Test the KUnit test managed overlay APIs. Confirm that platform devices are created and destroyed properly. This provides us confidence that the test managed APIs work correctly and can be relied upon to provide tests with fake platform devices and device nodes via overlays compiled into the kernel image. Cc: Rob Herring <robh@kernel.org> Cc: Saravana Kannan <saravanak@google.com> Cc: Daniel Latypov <dlatypov@google.com> Cc: Brendan Higgins <brendan.higgins@linux.dev> Reviewed-by: David Gow <davidgow@google.com> Cc: Rae Moar <rmoar@google.com> Reviewed-by: Rob Herring (Arm) <robh@kernel.org> Signed-off-by: Stephen Boyd <sboyd@kernel.org> Link: https://lore.kernel.org/r/20240718210513.3801024-5-sboyd@kernel.org |
||
|
Stephen Boyd
|
6774e90f31 |
of: Add test managed wrappers for of_overlay_apply()/of_node_put()
Add test managed wrappers for of_overlay_apply() that automatically
removes the overlay when the test is finished. This API is intended for
use by KUnit tests that test code which relies on 'struct device_node's
and of_*() APIs.
KUnit tests will call of_overlay_apply_kunit() to load an overlay that's
been built into the kernel image. When the test is complete, the overlay
will be removed.
This has a few benefits:
1) It keeps the tests hermetic because the overlay is removed when the
test is complete. Tests won't even be aware that an overlay was
loaded in another test.
2) The overlay code can live right next to the unit test that loads it.
The overlay and the unit test can be compiled into one kernel module
if desired.
3) We can test different device tree configurations by loading
different overlays. The overlays can be written for a specific test,
and there can be many of them loaded per-test without needing to jam
all possible combinations into one DTB.
4) It also allows KUnit to test device tree dependent code on any
architecture, not just UML. This allows KUnit tests to test
architecture specific device tree code.
There are some potential pitfalls though. Test authors need to be
careful to not overwrite properties in the live tree. The easiest way to
do this is to add and remove nodes with a 'kunit-' prefix, almost
guaranteeing that the same node won't be present in the tree loaded at
boot.
Suggested-by: Rob Herring <robh@kernel.org>
Cc: Rob Herring <robh@kernel.org>
Cc: Saravana Kannan <saravanak@google.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: David Gow <davidgow@google.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lore.kernel.org/r/20240718210513.3801024-3-sboyd@kernel.org
|
||
|
Stephen Boyd
|
814cff595d |
of/platform: Allow overlays to create platform devices from the root node
We'd like to apply overlays to the root node in KUnit so we can test platform devices created as children of the root node. On some architectures (powerpc), the root node isn't marked with OF_POPULATED_BUS. If an overlay tries to modify the root node on these platforms it will fail, while on other platforms, such as ARM, it will succeed. This is because the root node is marked with OF_POPULATED_BUS by of_platform_default_populate_init() calling of_platform_default_populate() with NULL as the first argument. Loosen the requirement here so that platform devices can be created for nodes created as children of the root node via DT overlays even if the platform bus wasn't populated for the root node. Reviewed-by: Rob Herring (Arm) <robh@kernel.org> Cc: Saravana Kannan <saravanak@google.com> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> [sboyd@kernel.org: Folded in condition fix] Signed-off-by: Stephen Boyd <sboyd@kernel.org> Link: https://lore.kernel.org/r/20240718210513.3801024-2-sboyd@kernel.org |
||
|
Linus Torvalds
|
ebcfbf02ab |
IOMMU Updates for Linux v6.11
- Core:
* Support for the "ats-supported" device-tree property.
* Removal of the 'ops' field from 'struct iommu_fwspec'.
* Introduction of iommu_paging_domain_alloc() and partial conversion
of existing users.
* Introduce 'struct iommu_attach_handle' and provide corresponding
IOMMU interfaces which will be used by the IOMMUFD subsystem.
* Remove stale documentation.
* Add missing MODULE_DESCRIPTION() macro.
* Misc cleanups.
- Allwinner Sun50i:
* Ensure bypass mode is disabled on H616 SoCs.
* Ensure page-tables are allocated below 4GiB for the 32-bit
page-table walker.
* Add new device-tree compatible strings.
- AMD Vi:
* Use try_cmpxchg64() instead of cmpxchg64() when updating pte.
- Arm SMMUv2:
* Print much more useful information on context faults.
* Fix Qualcomm TBU probing when CONFIG_ARM_SMMU_QCOM_DEBUG=n.
* Add new Qualcomm device-tree bindings.
- Arm SMMUv3:
* Support for hardware update of access/dirty bits and reporting via
IOMMUFD.
* More driver rework from Jason, this time updating the PASID/SVA support
to prepare for full IOMMUFD support.
* Add missing MODULE_DESCRIPTION() macro.
* Minor fixes and cleanups.
- NVIDIA Tegra:
* Fix for benign fwspec initialisation issue exposed by rework on the
core branch.
- Intel VT-d:
* Use try_cmpxchg64() instead of cmpxchg64() when updating pte.
* Use READ_ONCE() to read volatile descriptor status.
* Remove support for handling Execute-Requested requests.
* Avoid calling iommu_domain_alloc().
* Minor fixes and refactoring.
- Qualcomm MSM:
* Updates to the device-tree bindings.
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Merge tag 'iommu-updates-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux
Pull iommu updates from Will Deacon:
"Core:
- Support for the "ats-supported" device-tree property
- Removal of the 'ops' field from 'struct iommu_fwspec'
- Introduction of iommu_paging_domain_alloc() and partial conversion
of existing users
- Introduce 'struct iommu_attach_handle' and provide corresponding
IOMMU interfaces which will be used by the IOMMUFD subsystem
- Remove stale documentation
- Add missing MODULE_DESCRIPTION() macro
- Misc cleanups
Allwinner Sun50i:
- Ensure bypass mode is disabled on H616 SoCs
- Ensure page-tables are allocated below 4GiB for the 32-bit
page-table walker
- Add new device-tree compatible strings
AMD Vi:
- Use try_cmpxchg64() instead of cmpxchg64() when updating pte
Arm SMMUv2:
- Print much more useful information on context faults
- Fix Qualcomm TBU probing when CONFIG_ARM_SMMU_QCOM_DEBUG=n
- Add new Qualcomm device-tree bindings
Arm SMMUv3:
- Support for hardware update of access/dirty bits and reporting via
IOMMUFD
- More driver rework from Jason, this time updating the PASID/SVA
support to prepare for full IOMMUFD support
- Add missing MODULE_DESCRIPTION() macro
- Minor fixes and cleanups
NVIDIA Tegra:
- Fix for benign fwspec initialisation issue exposed by rework on the
core branch
Intel VT-d:
- Use try_cmpxchg64() instead of cmpxchg64() when updating pte
- Use READ_ONCE() to read volatile descriptor status
- Remove support for handling Execute-Requested requests
- Avoid calling iommu_domain_alloc()
- Minor fixes and refactoring
Qualcomm MSM:
- Updates to the device-tree bindings"
* tag 'iommu-updates-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux: (72 commits)
iommu/tegra-smmu: Pass correct fwnode to iommu_fwspec_init()
iommu/vt-d: Fix identity map bounds in si_domain_init()
iommu: Move IOMMU_DIRTY_NO_CLEAR define
dt-bindings: iommu: Convert msm,iommu-v0 to yaml
iommu/vt-d: Fix aligned pages in calculate_psi_aligned_address()
iommu/vt-d: Limit max address mask to MAX_AGAW_PFN_WIDTH
docs: iommu: Remove outdated Documentation/userspace-api/iommu.rst
arm64: dts: fvp: Enable PCIe ATS for Base RevC FVP
iommu/of: Support ats-supported device-tree property
dt-bindings: PCI: generic: Add ats-supported property
iommu: Remove iommu_fwspec ops
OF: Simplify of_iommu_configure()
ACPI: Retire acpi_iommu_fwspec_ops()
iommu: Resolve fwspec ops automatically
iommu/mediatek-v1: Clean up redundant fwspec checks
RDMA/usnic: Use iommu_paging_domain_alloc()
wifi: ath11k: Use iommu_paging_domain_alloc()
wifi: ath10k: Use iommu_paging_domain_alloc()
drm/msm: Use iommu_paging_domain_alloc()
vhost-vdpa: Use iommu_paging_domain_alloc()
...
|
||
|
Linus Torvalds
|
0ffb8a4c96 |
Devicetree updates for v6.11:
DT Bindings:
- Convert and add a bunch of IBM FSI related bindings
- Add a new schema listing legacy compatibles which will (probably)
never be documented. This will silence various checks warning about
them.
- Add bindings for Sierra Wireless mangOH Green SPI IoT interface, new
Arm 2024 Cortex and Neoverse CPUs, QCom sc8180x PDC, QCom SDX75 GPI
DMA, imx8mp/imx8qxp fsl,irqsteer, and Renesas RZ/G2UL CRU and CSI-2
blocks
- Convert Spreadtrum sprd-timer, FSL cpm_qe, FSL fsl,ls-scfg-msi, FSL
q(b)man-*, FSL qoriq-mc, and img,pdc-wdt bindings to DT schema
- Drop obsolete stericsson,abx500.txt
DT core:
- Update dtc to upstream version v1.7.0-93-g1df7b047fe43
- Add support to run DT validation on DTs with applied overlays
- Add helper for creating boolean properties in dynamic nodes and use
that for dynamic PCI nodes
- Clean-up early parsing of '#{address,size}-cells'
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Merge tag 'devicetree-for-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree updates from Rob Herring:
"DT Bindings:
- Convert and add a bunch of IBM FSI related bindings
- Add a new schema listing legacy compatibles which will (probably)
never be documented. This will silence various checks warning about
them.
- Add bindings for Sierra Wireless mangOH Green SPI IoT interface,
new Arm 2024 Cortex and Neoverse CPUs, QCom sc8180x PDC, QCom SDX75
GPI DMA, imx8mp/imx8qxp fsl,irqsteer, and Renesas RZ/G2UL CRU and
CSI-2 blocks
- Convert Spreadtrum sprd-timer, FSL cpm_qe, FSL fsl,ls-scfg-msi, FSL
q(b)man-*, FSL qoriq-mc, and img,pdc-wdt bindings to DT schema
- Drop obsolete stericsson,abx500.txt
DT core:
- Update dtc to upstream version v1.7.0-93-g1df7b047fe43
- Add support to run DT validation on DTs with applied overlays
- Add helper for creating boolean properties in dynamic nodes and use
that for dynamic PCI nodes
- Clean-up early parsing of '#{address,size}-cells'"
* tag 'devicetree-for-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (39 commits)
dt-bindings: timer: sprd-timer: convert to YAML
dt-bindings: incomplete-devices: document devices without bindings
dt-bindings: trivial-devices: document the Sierra Wireless mangOH Green SPI IoT interface
scripts/dtc: Update to upstream version v1.7.0-93-g1df7b047fe43
dt-bindings: soc: fsl: Add fsl,ls1028a-reset for reset syscon node
dt-bindings: soc: fsl: cpm_qe: convert to yaml format
dt-bindings: i2c: i2c-fsi: Convert to json-schema
dt-bindings: fsi: Document the FSI Hub Controller
dt-bindings: fsi: Document the AST2700 FSI controller
dt-bindings: fsi: ast2600-fsi-master: Convert to json-schema
dt-bindings: fsi: ibm,i2cr-fsi-master: Reference common FSI controller
dt-bindings: fsi: Document the FSI controller common properties
dt-bindings: fsi: Document the IBM SBEFIFO engine
dt-bindings: fsi: p9-occ: Convert to json-schema
dt-bindings: fsi: Document the IBM SCOM engine
dt-bindings: fsi: fsi2spi: Document SPI controller child nodes
dt-bindings: interrupt-controller: convert fsl,ls-scfg-msi to yaml
dt-bindings: soc: fsl: Convert q(b)man-* to yaml format
dt-bindings: misc: fsl,qoriq-mc: convert to yaml format
dt-bindings: drop stale Anson Huang from maintainers
...
|
||
Herve Codina
|
1e4368395f |
of: unittest: Add a test case for of_changeset_add_prop_bool()
Improve of_unittest_changeset_prop() to have a test case for the newly introduced of_changeset_add_prop_bool(). Signed-off-by: Herve Codina <herve.codina@bootlin.com> Link: https://lore.kernel.org/r/20240527161450.326615-17-herve.codina@bootlin.com Signed-off-by: Rob Herring (Arm) <robh@kernel.org> |
||
|
Herve Codina
|
f2b388d63e |
of: dynamic: Introduce of_changeset_add_prop_bool()
APIs to add some properties in a changeset exist but nothing to add a DT boolean property (i.e. a property without any values). Fill this lack with of_changeset_add_prop_bool(). Signed-off-by: Herve Codina <herve.codina@bootlin.com> Link: https://lore.kernel.org/r/20240527161450.326615-16-herve.codina@bootlin.com Signed-off-by: Rob Herring (Arm) <robh@kernel.org> |