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1,397,037 commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Harald Freudenberger
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7f124d78d4 |
s390/ap: Extend struct ap_queue_status with some convenience fields
Sometimes there is a different view of the AP status word
needed. So here is slight rework of the struct ap_queue_status
to open up the possibility to have different ways of accessing
the AP status bits and fields.
The new struct ap_queue_status
struct ap_queue_status {
union {
unsigned int value : 32;
struct {
unsigned int status_bits : 8;
unsigned int rc : 8;
unsigned int : 16;
};
struct {
unsigned int queue_empty : 1;
unsigned int replies_waiting : 1;
unsigned int queue_full : 1;
unsigned int : 3;
unsigned int async : 1;
unsigned int irq_enabled : 1;
unsigned int response_code : 8;
unsigned int : 16;
};
};
};
comprises the old struct ap_queue_status but extends it
to have this also accessible as an unsigned int required
for example for a simple print or trace of the whole value.
Note that this rework is fully backward compatible to the
existing code exploiting the struct ap_queue_status.
Signed-off-by: Harald Freudenberger <freude@linux.ibm.com>
Reviewed-by: Anthony Krowiak <akrowiak@linux.ibm.com>
Reviewed-by: Holger Dengler <dengler@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
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Harald Freudenberger
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507cff242a |
s390/zcrypt: Rework zcrypt request and reply trace event definition
This is a slight rework of the s390_zcrypt_req and s390_zcrypt_rep trace event: - the psmid has been added to the s390_zcrypt_rep - "dev" renamed to "card" - "domain" renamed to "dom" The motivation of these changes is to make these traces more aligned to new upcoming traces for AP bus related trace events. Additionally the psmid is needed to match the reply (and thus indirect the request) to AP bus related trace events where only the psmid is unique identifying AP messages. Signed-off-by: Harald Freudenberger <freude@linux.ibm.com> Reviewed-by: Anthony Krowiak <akrowiak@linux.ibm.com> Reviewed-by: Holger Dengler <dengler@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> |
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Josephine Pfeiffer
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215231deea |
s390/ptdump: Use seq_puts() in pt_dump_seq_puts() macro
The pt_dump_seq_puts() macro incorrectly uses seq_printf() instead of seq_puts(). This is both a performance issue and conceptually wrong, as the macro name suggests plain string output (puts) but the implementation uses formatted output (printf). The macro is used in dump_pagetables.c:67-68 and 131 to output constant strings. Using seq_printf() adds unnecessary overhead for format string parsing. Signed-off-by: Josephine Pfeiffer <hi@josie.lol> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> |
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Heiko Carstens
|
5e09c0a03e |
Merge branch 'tape-block-sizes'
Jan Höppner says: ==================== The tape device driver is limited to a block size of 65535 bytes since a single CCW can only transfer up to 64K-1 bytes (The count field is a 16bit value). This series introduces data chaining for all read/write functions to support block sizes larger than 65535. The tape device type 3490 (emulated) and 3590/3592 can handle up to 256K. [1] [1] https://www.ibm.com/docs/en/zos/3.1.0?topic=blksize-system-determined-block-size ==================== Signed-off-by: Heiko Carstens <hca@linux.ibm.com> |
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Jan Höppner
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319d3d6653 |
s390/tape: Add support for bigger block sizes
The tape device type 3590/3592 and emulated 3490 VTS can handle a block size of up to 256K bytes. Currently the tape device driver is limited to a block size of 65535 bytes (64K-1). This limitation stems from the maximum of 65535 bytes of data that can be transferred with one Channel-Command Word (CCW). To work around this limitation data chaining is used which uses several CCW to transfer an entire 256K block of data. A single CCW holds a maximum of 65535 bytes of data. Set MAX_BLOCKSIZE to 262144 (= 256K) to allow for data transfers with larger block sizes. The read_block() and write_block() discipline functions calculate the number of CCWs required based on the IDAL buffer array size that was created for a given block size. If there is more than one CCW required for the data transfer, the new helper function tape_ccw_dc_idal() is used to build the data chain accordingly. The Interruption-Repsonse Block (irb) is added to the tape_request struct so that the tapechar_read/write() functions can analyze what data was read or written accordingly. Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com> Reviewed-by: Jens Remus <jremus@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> |
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Jan Höppner
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574817d6c0 |
s390/tape: Introduce idal buffer array
The tape device driver uses a single idal_buffer for I/O. While the buffer itself can be arbitrary big, the limit for data transfer for a single Channel-Command Word is at 65535 bytes (64K-1) since the count field specifying the amount of data designated by the CCW is a 16-bit unsigned value. Provide functionality that allocates an array of multiple IDAL buffer with the limitation mentioned above in mind. A call to idal_buffer_array_alloc() allocates an array with a certain amount of IDAL buffers which is determined based on the total size of @size. Each individual buffer is limited to a size of CCW_MAX_BYTE_COUNT (65535 bytes). Add helper functions that determine the size (# of elements) and the total data size covered by the array as well. Current users of the single IDAL buffer are adapted to use the new functions with one buffer to allocate. The single IDAL buffer is removed from the tape_char_data struct. Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com> Reviewed-by: Jens Remus <jremus@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> |
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Jan Höppner
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a5e2ca22c1 |
s390/tape: Move idal allocation to core functions
Currently tapechar_check_idalbuffer() is part of tape_char.c and is used to ensure the idal buffer is big enough for the requested I/O and reallocates a new one if required. The same is done in tape_std.c when a fixed block size is set using the mtsetblk command. This is essentially duplicate code. The allocation of the buffer that is required for I/O can be considered core functionality. Move the idal buffer allocation to tape_core.c, make it generally available, and reduce code duplication. Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com> Reviewed-by: Jens Remus <jremus@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> |
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Jan Höppner
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e039400f75 |
s390/tape: Fix return value of ccw helper functions
In contrast to all other helper functions used to build CCW chains, tape_ccw_cc_idal() and tape_ccw_end_idal() return values using post-increments, which results in returning the same CCW pointer. Though, the intent of the CCW helper functions is to return the _next_ CCW in the chain, which can then be processed. There is currently no actual issue, as tape_ccw_cc_idal() is not used yet and tape_ccw_end_idal() is only used at the end of a chain. Change both functions return statement to ccw + 1 and bring them in line with the other helper functions. Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com> Reviewed-by: Jens Remus <jremus@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> |
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Jan Höppner
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83cff1b124 |
s390/tape: Remove extra CCW allocation for error recovery
The Read Opposite error recovery code required 2 extra CCWs to be allocated in order to transform the request. As this error recovery code for both 34xx and 3590 was removed the additional allocation isn't required anymore. Reduce it to two. Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com> Reviewed-by: Jens Remus <jremus@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> |
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Jan Höppner
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a984d71277 |
s390/tape: Remove 3590 Read Opposite error recovery
On old native type 3590 tape devices a Read Opposite error recovery procedure on Error Recovery Action Code (ERA) 26 was issued if a Read Forward command failed. This recovery procedure was implemented with the Read Backward command. This is no longer supported. Remove 3590 ERA 26 and Read Backward related recovery code. Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com> Reviewed-by: Jens Remus <jremus@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> |
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Jan Höppner
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1b9df1a28f |
s390/tape: Remove 34xx Read Opposite error recovery
On old native type 3490 tape devices a Read Opposite error recovery procedure on Error Recovery Action Code (ERA) 26 was issued if a Read Forward command failed. This recovery procedure was implemented with the Read Backward command. As a preparation for a subsequent commit, that adds support for bigger block sizes, remove the 34xx ERA 26 related recovery code. The recovery code would need to be adapted to the bigger block sizes, without any possibility to be tested, as modern Virtual Tape Servers (VTS) do neither report ERA 26 on a Read Forward command failure nor support the error recovery procedure anymore. Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com> Reviewed-by: Jens Remus <jremus@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> |
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Jan Höppner
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39376c77a5 |
s390/tape: Remove count parameter from read/write_block functions
The count parameter of the read/write_block discipline functions was never used. Remove it. Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com> Reviewed-by: Jens Remus <jremus@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> |
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Heiko Carstens
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ec9b3b85ea |
Merge branch 'memory-hotplug'
Sumanth Korikkar says: ==================== Provide a new interface for dynamic configuration and deconfiguration of hotplug memory on s390, allowing with/without memmap_on_memory support. It is a follow up on the discussion with David when introducing memmap_on_memory support for s390 and support dynamic (de)configuration of memory: https://lore.kernel.org/all/ee492da8-74b4-4a97-8b24-73e07257f01d@redhat.com/ https://lore.kernel.org/all/20241202082732.3959803-1-sumanthk@linux.ibm.com/ The original motivation for introducing memmap_on_memory on s390 was to avoid using online memory to store struct pages metadata, particularly for standby memory blocks. This became critical in cases where there was an imbalance between standby and online memory, potentially leading to boot failures due to insufficient memory for metadata allocation. To address this, memmap_on_memory was utilized on s390. However, in its current form, it adds struct pages metadata at the start of each memory block at the time of addition (only standby memory), and this configuration is static. It cannot be changed at runtime (When the user needs continuous physical memory). Inorder to provide more flexibility to the user and overcome the above limitation, add an option to dynamically configure and deconfigure hotpluggable memory block with/without memmap_on_memory. With the new interface, s390 will not add all possible hotplug memory in advance, like before, to make it visible in sysfs for online/offline actions. Instead, before memory block can be set online, it has to be configured via a new interface in /sys/firmware/memory/memoryX/config, which makes s390 similar to others. i.e. Adding of hotpluggable memory is controlled by the user instead of adding it at boottime. s390 kernel sysfs interface to configure/deconfigure memory with memmap_on_memory (with upcoming lsmem changes): * Initial memory layout: lsmem -o RANGE,SIZE,STATE,BLOCK,CONFIGURED,MEMMAP_ON_MEMORY RANGE SIZE STATE BLOCK CONFIGURED MEMMAP_ON_MEMORY 0x00000000-0x7fffffff 2G online 0-15 yes no 0x80000000-0xffffffff 2G offline 16-31 no yes * Configure memory echo 1 > /sys/firmware/memory/memory16/config lsmem -o RANGE,SIZE,STATE,BLOCK,CONFIGURED,MEMMAP_ON_MEMORY RANGE SIZE STATE BLOCK CONFIGURED MEMMAP_ON_MEMORY 0x00000000-0x7fffffff 2G online 0-15 yes no 0x80000000-0x87ffffff 128M offline 16 yes yes 0x88000000-0xffffffff 1.9G offline 17-31 no yes * Deconfigure memory echo 0 > /sys/firmware/memory/memory16/config lsmem -o RANGE,SIZE,STATE,BLOCK,CONFIGURED,MEMMAP_ON_MEMORY RANGE SIZE STATE BLOCK CONFIGURED MEMMAP_ON_MEMORY 0x00000000-0x7fffffff 2G online 0-15 yes no 0x80000000-0xffffffff 2G offline 16-31 no yes * Enable memmap_on_memory and online it. (Deconfigure first) echo 0 > /sys/devices/system/memory/memory5/online echo 0 > /sys/firmware/memory/memory5/config lsmem -o RANGE,SIZE,STATE,BLOCK,CONFIGURED,MEMMAP_ON_MEMORY RANGE SIZE STATE BLOCK CONFIGURED MEMMAP_ON_MEMORY 0x00000000-0x27ffffff 640M online 0-4 yes no 0x28000000-0x2fffffff 128M offline 5 no no 0x30000000-0x7fffffff 1.3G online 6-15 yes no 0x80000000-0xffffffff 2G offline 16-31 no yes (Enable memmap_on_memory and online it) echo 1 > /sys/firmware/memory/memory5/memmap_on_memory echo 1 > /sys/firmware/memory/memory5/config echo 1 > /sys/devices/system/memory/memory5/online lsmem -o RANGE,SIZE,STATE,BLOCK,CONFIGURED,MEMMAP_ON_MEMORY RANGE SIZE STATE BLOCK CONFIGURED MEMMAP_ON_MEMORY 0x00000000-0x27ffffff 640M online 0-4 yes no 0x28000000-0x2fffffff 128M online 5 yes yes 0x30000000-0x7fffffff 1.3G online 6-15 yes no 0x80000000-0xffffffff 2G offline 16-31 no yes * Disable memmap_on_memory and online it. (Deconfigure first) echo 0 > /sys/devices/system/memory/memory5/online echo 0 > /sys/firmware/memory/memory5/config lsmem -o RANGE,SIZE,STATE,BLOCK,CONFIGURED,MEMMAP_ON_MEMORY RANGE SIZE STATE BLOCK CONFIGURED MEMMAP_ON_MEMORY 0x00000000-0x27ffffff 640M online 0-4 yes no 0x28000000-0x2fffffff 128M offline 5 no yes 0x30000000-0x7fffffff 1.3G online 6-15 yes no 0x80000000-0xffffffff 2G offline 16-31 no yes (Disable memmap_on_memory and online it) echo 0 > /sys/firmware/memory/memory5/memmap_on_memory echo 1 > /sys/firmware/memory/memory5/config echo 1 > /sys/devices/system/memory/memory5/online lsmem -o RANGE,SIZE,STATE,BLOCK,CONFIGURED,MEMMAP_ON_MEMORY RANGE SIZE STATE BLOCK CONFIGURED MEMMAP_ON_MEMORY 0x00000000-0x7fffffff 2G online 0-15 yes no 0x80000000-0xffffffff 2G offline 16-31 no yes * Userspace changes: lsmem/chmem tool is also changed to use the new interface. I will send it to util-linux soon. Patch 1 adds support for removal of boot-allocated memory blocks. Patch 2 provides option to dynamically configure and deconfigure memory with/without memmap_on_memory. Patch 3 removes MHP_OFFLINE_INACCESSIBLE from s390. The mhp flag was used to mark memory as not accessible until memory hotplug online phase begins. However, with patch 2, it is no longer essential. Memory can be brought to accessible state before adding memory, as the memory is added during runttime now instead of boottime. Patch 4 removes the MEM_PREPARE_ONLINE/MEM_FINISH_OFFLINE notifiers. It is no longer needed. Memory can be brought to accessible state before adding memory now, with runtime (de)configuration of memory. Note: The patches apply to the linux-next branch. v3: Thanks David * Avoid goto label in create_standby_sclp_mems(). * Use unsigned long instead of u64. * Add Acked-by. v2: Thanks David * Rename struct mblock/mblock_arg with struct sclp_mem/sclp_mem_arg. * Rename all mblocks/mblock references with sclp_mems/sclp_mem - structures, functions. * Rename create_online_mblock() with create_configured_sclp_mem(). * Rename config_mblock_show()/config_mblock_store() with config_sclp_mem_show()/config_sclp_mem_store(). * Remove contains_standby_increment() and sclp_mem_notifier. sclp mem state change is performed when adding/removing memory. sclp memory notifier - no longer needed with this patchset. * Recover sclp mem state when add_memory() fails. * Refactor and add function init_sclp_mem(). * Use unsigned long instead of unsigned long long. * Simplify and correct kobj handling. Thanks Heiko. ==================== Signed-off-by: Heiko Carstens <hca@linux.ibm.com> |
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Heiko Carstens
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c97689345c |
s390/con3270: Use scnprintf() instead of sprintf()
Use scnprintf() instead of sprintf() for those cases where the destination is an array and the size of the array is known at compile time. This prevents theoretical buffer overflows, but also avoids that people again and again spend time to figure out if the code is actually safe. Reviewed-by: Jan Polensky <japo@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> |
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Heiko Carstens
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c769941de8 |
s390/tape: Use scnprintf() instead of sprintf()
Use scnprintf() instead of sprintf() for those cases where the destination is an array and the size of the array is known at compile time. This prevents theoretical buffer overflows, but also avoids that people again and again spend time to figure out if the code is actually safe. Reviewed-by: Jan Höppner <hoeppner@linux.ibm.com> Reviewed-by: Jan Polensky <japo@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> |
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Heiko Carstens
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ffb5d3af5e |
s390/dcss: Use scnprintf() instead of sprintf()
Use scnprintf() instead of sprintf() for those cases where the destination is an array and the size of the array is known at compile time. This prevents theoretical buffer overflows, but also avoids that people again and again spend time to figure out if the code is actually safe. Reviewed-by: Jan Polensky <japo@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> |
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Heiko Carstens
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ba06238bbe |
s390/cio: Use scnprintf() instead of sprintf()
Use scnprintf() instead of sprintf() for those cases where the destination is an array and the size of the array is known at compile time. This prevents theoretical buffer overflows, but also avoids that people again and again spend time to figure out if the code is actually safe. Reviewed-by: Jan Polensky <japo@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> |
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Heiko Carstens
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6850221116 |
s390/early: Use scnprintf() instead of sprintf()
Use scnprintf() instead of sprintf() for those cases where the destination is an array and the size of the array is known at compile time. This prevents theoretical buffer overflows, but also avoids that people again and again spend time to figure out if the code is actually safe. Reviewed-by: Jan Polensky <japo@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> |
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Thomas Richter
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4d065f3c80 |
s390/pai_crypto: Adjust paicrypt_copy() return statement
Adjust the return statement in paicrypt_copy() to the same statement as in paiext_copy(). Use one common style. No functional change. Signed-off-by: Thomas Richter <tmricht@linux.ibm.com> Reviewed-by: Jan Polensky <japo@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> |
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Josephine Pfeiffer
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4738e11662 |
s390/sysinfo: Replace sprintf() with snprintf() for buffer safety
Replace sprintf() with snprintf() when formatting symlink target name to prevent potential buffer overflow. The link_to buffer is only 10 bytes, and using snprintf() ensures proper bounds checking if the topology nesting limit value is unexpectedly large. Signed-off-by: Josephine Pfeiffer <hi@josie.lol> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> |
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Josephine Pfeiffer
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5379879a76 |
s390/extmem: Replace sprintf() with snprintf() for buffer safety
Replace unsafe sprintf() calls with snprintf() in segment_save() to prevent potential buffer overflows. The function builds command strings by repeatedly appending to a fixed-size buffer, which could overflow if segment ranges are numerous or values are large. Signed-off-by: Josephine Pfeiffer <hi@josie.lol> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> |
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Josephine Pfeiffer
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dd7d1d34ae |
s390/cmm: Replace sprintf() with scnprintf() for buffer safety
Replace sprintf() with scnprintf() in cmm_timeout_handler() to prevent potential buffer overflow. The scnprintf() function ensures we don't write beyond the buffer size and provides safer string formatting. Signed-off-by: Josephine Pfeiffer <hi@josie.lol> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> |
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Linus Torvalds
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211ddde082 | Linux 6.18-rc2 v6.18-rc2 | ||
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Linus Torvalds
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d9043c79ba |
- Make sure the check for lost pelt idle time is done unconditionally to
have correct lost idle time accounting - Stop the deadline server task before a CPU goes offline -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmj0yvsACgkQEsHwGGHe VUqiYRAAncYon7a++87nuCHIw2ktAcjn4PJTz0F1VGw9ZvcbWThUhNoA17jd4uOz XCzSH1rnHnlz359cJIzFwgVYjkBIaqT8GBN0al9ODra37laZCo89bKLmOeAlH81H 1xJXrDwn7U8dYBjgf6E6OGCdAx40kspCBxmpxrFW1VrGDvfNjEAKezm5GWeSED0Z umA93dBr82i4IvfARUkK8s35ctHyx+o+7lCvCSsKSJgM02WWrKqAA/lv6jFjIgdE 0UuYJv+5A2e1Iog2KNSbvSPn23VaMnsZtvXfJoRLFHEsNTiL9NliTnwrOY6xx0Z8 9+GUeWsbobKwcKSk4dctOh0g/4afNbxWe2aAPmScHJNHtXHSeejps+zy4xFCLTZn 2muHCdZ2zo6YSL+og4TQax+FnLYnGUtPFDOQYsNxv/Cp1H+cbgvG5Qp08XXt8Tfl Mt82g25GKklc28AN5Ui7FKTFmV2K363pV04YVZjXOwmxwiEYbwKw8gKfxi7CRW7S fl4nW6Kp8BFtJQxc/RCXDIiX3h0wRlTOmF5FzyFYxgdsmO5AdGqS9tqknLrV2NlH JVtj7alnrmCU34LwtTVfCvYQZiNd4IN+B6/htsL3AzrcLnqJz4O/T/Eyv9UL4yUs yvQuO+yStCyk0BFYaGM3/E0xp87NYjaLiHnpM2jia3DT3UT1t7Q= =uqJW -----END PGP SIGNATURE----- Merge tag 'sched_urgent_for_v6.18_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull scheduler fixes from Borislav Petkov: - Make sure the check for lost pelt idle time is done unconditionally to have correct lost idle time accounting - Stop the deadline server task before a CPU goes offline * tag 'sched_urgent_for_v6.18_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: sched/fair: Fix pelt lost idle time detection sched/deadline: Stop dl_server before CPU goes offline |
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Linus Torvalds
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343b4b44a1 |
- Make sure perf reporting works correctly in setups using overlayfs or FUSE
- Move the uprobe optimization to a better location logically -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmj0x3YACgkQEsHwGGHe VUo6nQ/9E8LWC6PJG40QUXNZuj5qLe9VVaiWTW7w/zgeCf9nxkt6OhlOIu4fCMKz 6n5marqnvOoG9EXetUz5+n0wJvc9vDACESC0m6ESddaI4PGXULNJIsN2C5dR3UZ3 RULxaXvz9PVVkW3UIuM/U9az7fsG/ttH1rtrWQOsUYQZEO7vA9g+8KtASwnB7yBa 29WzVDYQIuHigdFPkVOuKBEdhslOjNjMM/N/shFOyFS62MGgwwFG/f4xv0c2GanJ 9gS2HPGhwOXLm8x/1Y6D8eKjiT5lvqZcDcRnui8bj7L7YGx+HU4PhRIIg7sBvGqA QQGolxA9Xo2BTufUTxEQK9v2fSvg0f9wuKbkDbRUdyUeWiZZjEeBM/m0AkzEEeKf FUrLCi3V/mN5J/sXSgIwjuCtYctwmsfaukL2bz6DB7feoTHceQmHunKCtBlDZtLE Md/4hzMNYM+T/3nx27quGz8Cepxn9PSObN7W+DddWr0TxOxg2Pq6iMbnd7MulueP K/AMvqDtbbVUB1XpsFvadRLcYUYYfXT9tiOCxa9O2w2NXDG8qeB6FZwScBaWuz1N 9GpKBhVMgZT8m0d3N8NoBi0+h32UVZnsJJ3UhHnceE8UyYf4kSO5L2K3nPHJa301 AavIPkH7+YOl5TAg6JlyYbRRdwfoUzxKUqY/hQ6Q8aLvwb2Jing= =huy7 -----END PGP SIGNATURE----- Merge tag 'perf_urgent_for_v6.18_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull perf fixes from Borislav Petkov: - Make sure perf reporting works correctly in setups using overlayfs or FUSE - Move the uprobe optimization to a better location logically * tag 'perf_urgent_for_v6.18_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf/core: Fix MMAP2 event device with backing files perf/core: Fix MMAP event path names with backing files perf/core: Fix address filter match with backing files uprobe: Move arch_uprobe_optimize right after handlers execution |
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Linus Torvalds
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c7864eeaa4 |
- Reset the why-the-system-rebooted register on AMD to avoid stale bits
remaining from previous boots - Add a missing barrier in the TLB flushing code to prevent erroneously not flushing a TLB generation - Make sure cpa_flush() does not overshoot when computing the end range of a flush region - Fix resctrl bandwidth counting on AMD systems when the amount of monitoring groups created exceeds the number the hardware can track -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmj0xcIACgkQEsHwGGHe VUq+VA/+Jlb1/m3eBGupCDmfGjT+vhoJ+twfmUDwA4yo5RzABHPOk4y+Q+M5Kmxy yhOP+XbT5I2W4x/LNT5oSTHJyG5QbDLTs1Hvpbqan6BHD6PA+1mv5lfv/LtNqSK4 lDZbJeJElpmozhCD6qznLZjbooh1qP4RkpszAyUjd/Sns4TtAJbZ4IBfKCpCtSfx E2X6FW28jBDVzJdDjMm5UfI+7VJmLgA46XUAgEfYxwfIWeQkV28f31+xGch7WW4C u41fOo6AI4mzHpdKdwzn4GJdH46UfMg+E8CTcwODxvG40ttskilnfWvwnyCsPWbD nTU/ubzTrra8BpeuAYVhVxuBam0fRmZVcEtE59DjG1EhVrt3dEqfhMraHKxjvboW vlauvhzkG4lezTHLX8EqnqS7csq0ziBU8tcYCxRA4OKTGTp1y0VfSw/ra4uLY8NJ pkjS3KK0VNhD6zthbhtfZ0LaB3ms0eYaTZyPsLhzxwi0/Wm/LTWO+sKX9r9DPafp LqzdSdik5YSv2fepxjzVOh1FALvLm+At4sh4Z6NtzLVm2dDrsN31hLVEJL7FUkwi d6gVhlII7CNrlIuuC2EsSXymYTdpoMFdKGOoq0RxPz0StSKzkFTFt8lpfb5bdSq+ VVU8DDFwwQ2iAW2IaogOwItH+tbY15P0kU2RlYey2UHub+Ho1vI= =WMx2 -----END PGP SIGNATURE----- Merge tag 'x86_urgent_for_v6.18_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 fixes from Borislav Petkov: - Reset the why-the-system-rebooted register on AMD to avoid stale bits remaining from previous boots - Add a missing barrier in the TLB flushing code to prevent erroneously not flushing a TLB generation - Make sure cpa_flush() does not overshoot when computing the end range of a flush region - Fix resctrl bandwidth counting on AMD systems when the amount of monitoring groups created exceeds the number the hardware can track * tag 'x86_urgent_for_v6.18_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/CPU/AMD: Prevent reset reasons from being retained across reboot x86/mm: Fix SMP ordering in switch_mm_irqs_off() x86/mm: Fix overflow in __cpa_addr() x86/resctrl: Fix miscount of bandwidth event when reactivating previously unavailable RMID |
||
|
Linus Torvalds
|
1c64efcb08 |
Rust 'rustfmt' cleanup
'rustfmt', by default, formats imports in a way that is prone to conflicts while merging and rebasing, since in some cases it condenses several items into the same line. Document in our guidelines that we will handle this for the moment with the trailing empty comment workaround and make the tree 'rustfmt'-clean again. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEPjU5OPd5QIZ9jqqOGXyLc2htIW0FAmjzy+0ACgkQGXyLc2ht IW2K9BAAmdHFQlI5kE2qFBVrk5JeTBmr/3GJ7wzPXKgQ/XdKgYILK5qx8SaqXo95 RXnGSFzPXmVx1xds5NojVqJ65gnoyL9KK4qsxFOUVVoH2vjSWXL5DFrRDcVKFlGY IRlsdRBGdX8/M6gPgLAy2m2eEeNgrwEA/xcWgfvZhI7CILSfvXDNKfGvnzg0mRHp cssYtKTACwzE3/uJUA8lX+HAWNrb1aijEUlvfK5K9CMYwP9wFXzXy1eI2kJ4Yzvx aqiK1vvieAl4gbLAoCD513nSxCQaUzpuHJvELA6bVa8uJ5GtWcuCA9U8qn8zcaaG tOmC/kF/+5jNwc4/4wCSHhcQD+1qaXZVQjeMBYsObqFv7ixabOlxVfGk/oDbAHEI BAtWsqHFMhQlo/E/YdH0palVhvslecnoAhTzURwL9231Sqp6ZeQl5ESya8ArmMFB SFeYMHtDhA557pA4G3R88IIVS+xWklNOVtcW1+c+YnW4d+Sb77aU9E78VKYmH0mt 5rYB0ni09rcDBNRGUSy7fscfUV5ItJd/lccwjRGasM0LzZ6KoMWE2B0Cww5vG27W FXQ9hTsn1q92XY3AFiqR5IBiztNLZfjFEq6HAVSQrmXgHJ53ZT/0oFRcObYAsr49 AjoLzkHcevdj7EUdm9q1o/KVk+t+bkDYjmb3kRgHVOwdekK/Jk8= =44ap -----END PGP SIGNATURE----- Merge tag 'rust-rustfmt' of git://git.kernel.org/pub/scm/linux/kernel/git/ojeda/linux Pull rustfmt fixes from Miguel Ojeda: "Rust 'rustfmt' cleanup 'rustfmt', by default, formats imports in a way that is prone to conflicts while merging and rebasing, since in some cases it condenses several items into the same line. Document in our guidelines that we will handle this for the moment with the trailing empty comment workaround and make the tree 'rustfmt'-clean again" * tag 'rust-rustfmt' of git://git.kernel.org/pub/scm/linux/kernel/git/ojeda/linux: rust: bitmap: fix formatting rust: cpufreq: fix formatting rust: alloc: employ a trailing comment to keep vertical layout docs: rust: add section on imports formatting |
||
|
Linus Torvalds
|
648937f64a |
Hi,
If possible, could you still pick this change for v6.18 [1]? The change in question corrects the state transitions for ARM FF-A to match the spec and how tpm_crb behaves on other platforms. [1] https://lore.kernel.org/linux-integrity/aPN59bwcUrieMACf@kernel.org/ BR, Jarkko -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQRE6pSOnaBC00OEHEIaerohdGur0gUCaPN84QAKCRAaerohdGur 0q4SAQD0o1dG70qraZjVU+xySiz/jGb04d49A/LxKJj/LIXxPQD/W3xjulnS3S25 rWoIn7wO6NeiGUiUPSnCEc6LDIOYYQA= =wbvF -----END PGP SIGNATURE----- Merge tag 'tpmdd-next-v6.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd Pull tpm fix from Jarkko Sakkinen: "Correct the state transitions for ARM FF-A to match the spec and how tpm_crb behaves on other platforms" * tag 'tpmdd-next-v6.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd: tpm_crb: Add idle support for the Arm FF-A start method |
||
|
Linus Torvalds
|
e67bb0da33 |
pci-v6.18-fixes-2
-----BEGIN PGP SIGNATURE----- iQJIBAABCgAyFiEEgMe7l+5h9hnxdsnuWYigwDrT+vwFAmjyX1sUHGJoZWxnYWFz QGdvb2dsZS5jb20ACgkQWYigwDrT+vw+DBAAmTruFbffqGqhNwWC586ki4sNYmxf g7rqAnUTE23ItblsN+6YfWJvRMf7Id1fMjJ/VYIwm5T7s7FcBWUFqIoVhHc2NmHw dmnLFyzrpTT2fDN9H5PSFd24Wu4N0OlXBsum3L6j7Rj6wyDJrakYfqLMsH+rGOoR 44U2uL8PxhuT5hsUiztFpF6T4i2C6poB6zx173PwAmdNeDoNz1qhRG0mexnByXhU fZ6iudP58dw1zg9ZQhPuaBPLWXb9uBXPz5+8j4rB2/Il1q2UL1pjhbu97WoZoPem e8yq8p1xQEYlNDVgrEQQE35qQnzSTZLLFyyjupvs3bJEzLQGxZl+ds7tl1JVYWMr 2PPvDW2LkdQStPGBUuRfgGN7vuCKofy8ibjdWsXOuB7JXZXkbvztqOTcdOLSCnoZ jbmVhvoR73wdq0ePG8REm8gNMm+SDPLnxZY3BRTXgrCazeCEFTTCX+UHEWwRBRAj VJlO6b95/e5wEjyw5aHHTzD261j+BwfsZ8qIMNbC5OmVJsx46we5/enwpkGLI+TP cdWbLz9OKv1Y/FNfb2qy2RttiJTFLI+n30ejVwpHPBNGwkC016f3c6GrImyYL6JD 21QIh7lA4MODGRDSn/Iqt7YZugWVnOTQJzYgJv1cq1MQSnq9PyXY34GtcyG80cOO 2/QXi6MGgT52iJQ= =oXKT -----END PGP SIGNATURE----- Merge tag 'pci-v6.18-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci Pull pci fixes from Bjorn Helgaas: - Search for MSI Capability with correct ID to fix an MSI regression on platforms with Cadence IP (Hans Zhang) - Revert early bridge resource set up to fix resource assignment failures that broke at least alpha boot and Snapdragon ath12k WiFi (Ilpo Järvinen) - Implement VMD .irq_startup()/.irq_shutdown() to fix IRQ issues that caused boot crashes and broken devices below VMD (Inochi Amaoto) - Select CONFIG_SCREEN_INFO on X86 to fix black screen on boot when SCREEN_INFO not selected (Mario Limonciello) * tag 'pci-v6.18-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci: PCI/VGA: Select SCREEN_INFO on X86 PCI: vmd: Override irq_startup()/irq_shutdown() in vmd_init_dev_msi_info() PCI: Revert early bridge resource set up PCI: cadence: Search for MSI Capability with correct ID |
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|
Linus Torvalds
|
ea0bdf2b94 |
cxl fixes for v6.18-rc2
- Avoid missing port component registers setup due to dport enumeration
failure
- Add check for no entries in cxl_feature_info to address accessing
invalid pointer.
- Use %pa printk format to emit resource_size_t in
validate_region_offset()
CXL extended linear cache support fixes:
- Fix setup of memory resource in cxl_acpi_set_cache_size()
- Set range param for region_res_match_cxl_range() as const.
(Addresses a compile warning for match_region_by_range() fix)
- Fix match_region_by_range() to use region_res_match_cxl_range()
- Subtract to find an hpa_alias0 in cxl_poison events to correct
the alias math calculation.
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Merge tag 'cxl-fixes-6.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl
Pull Compute Express Link fixes from Dave Jiang:
"A small collection of CXL fixes. In addition to some misc fixes for
the CXL subsystem, a number of fixes for CXL extended linear cache
support are included to make it functional again.
- Avoid missing port component registers setup due to dport
enumeration failure
- Add check for no entries in cxl_feature_info to address accessing
invalid pointer.
- Use %pa printk format to emit resource_size_t in
validate_region_offset()
CXL extended linear cache support fixes:
- Fix setup of memory resource in cxl_acpi_set_cache_size()
- Set range param for region_res_match_cxl_range() as const
(addresses a compile warning for match_region_by_range() fix)
- Fix match_region_by_range() to use region_res_match_cxl_range()
- Subtract to find an hpa_alias0 in cxl_poison events to correct the
alias math calculation"
* tag 'cxl-fixes-6.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl:
cxl/trace: Subtract to find an hpa_alias0 in cxl_poison events
cxl/region: Use %pa printk format to emit resource_size_t
cxl: Fix match_region_by_range() to use region_res_match_cxl_range()
cxl: Set range param for region_res_match_cxl_range() as const
cxl/acpi: Fix setup of memory resource in cxl_acpi_set_cache_size()
cxl/features: Add check for no entries in cxl_feature_info
cxl/port: Avoid missing port component registers setup
|
||
|
Linus Torvalds
|
2953fb6548 |
hid-for-linus-2025101701
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|
Linus Torvalds
|
d303caf5ca |
bpf-fixes
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|
Linus Torvalds
|
847f242f7a |
Description for this pull request:
- Fix out-of-bounds in FS_IOC_SETFSLABEL. - Add validation for stream entry valid size to prevent infinite loop. -----BEGIN PGP SIGNATURE----- iQJKBAABCgA0FiEE6NzKS6Uv/XAAGHgyZwv7A1FEIQgFAmjy83gWHGxpbmtpbmpl b25Aa2VybmVsLm9yZwAKCRBnC/sDUUQhCLoTD/sEUM1PpRJmSBRzH+9Le/tSAjK7 M0MSLkryRvvFKdigCCtHD5LLoNJrc+i4bP6AgTO9l0PJ5OlAwxAQ1Qh4mAOIfazk ahpw/WzI1B/qC28zuKepFJS3x05InACb5pwv293AwgEiS/ROfpfAJQ8NGp54cWFm ge7/jBU19BX1HLC7PSleNStdwSi+oEKz7twtl+7n5kvgzi3eTJWnXGhYJWDGwpYY n9OZQBELliGhLnzeuDuGXddpVKQ0jbH+kchQ7dJAiN3jYq7FeYEsrapFmuae2r+N MEjEoKg4pmuf3z3Iru+XQ30xGCOs2lKz9LfowxRcl5xTqxmH5XxqZZF/UdQITXh0 VYLRjhSfA5Fp2kUHmPayvkLHkzILzNjSF1Vqhk2En2C99RSywcJkvaFr5cnE3v3a gueO8eZ+QRSXQVpKCTHS98wPcJrnzPXSTpwF9uKSHKBzNWIee3tLHRZb1nvUuHKo bNB2iEDwracb5eEpOoa+7L0VOS8M6sFnAveWF9yNVR9vG36Cs7eXtrFIk/xQmr2s FlqjPpx1xWodnE9IxrJi8qSJxAgJtrO6UG1gut7lBK6RHIhkt2B7YUQPr30V8zVx f3FszNERZe/D/bvgM5WHyoieMnp5sZAxq0f7pk+2pOTIqvlbojWCAGoqP2P6BN2Y mu9lnM3D6k/GfLNbww== =A0dK -----END PGP SIGNATURE----- Merge tag 'exfat-for-6.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/exfat Pull exfat fixes from Namjae Jeon: - Fix out-of-bounds in FS_IOC_SETFSLABEL - Add validation for stream entry size to prevent infinite loop * tag 'exfat-for-6.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/exfat: exfat: fix out-of-bounds in exfat_nls_to_ucs2() exfat: fix improper check of dentry.stream.valid_size |
||
|
Linus Torvalds
|
2d07c6c209 |
NFS Client Bugfixes for Linux 6.18-rc
Bugfixes: * Fix for FlexFiles mirror->dss allocation * Apply delay_retrans to async operations * Check if suid/sgid is cleared after a write when needed * Fix setting the state renewal timer for early mounts after a reboot -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEnZ5MQTpR7cLU7KEp18tUv7ClQOsFAmjyqWYACgkQ18tUv7Cl QOuuhBAAtW3JjqOvuJdUKqLnvEB7p9MJCbJuLvxu3IncS7LR4ApMthogQNws/kYH sU44KZh1lIe0G6juYTR4SmpwuJ1VbPJ7tZ+ZAssfp29mLQu3txybK9o21jZMu+jH qjPRH4VIbfJot77lhBykSk+JzpxQMC89JaZbC5sgATHfTstQPiHtBSQ7zwC5EY8f dBmh2mlhRbBsblHw6KZq5QhNR6E1XsXMWGE8GoyzQR4QAWTNOtM+QIBkUapREODG 4HCnW/7JEUNuaAAYMovqqxv+qGC/axEEjZdVEGyiOvliSIs9RM2CCSQnDZQ619DI xCV3Qxvbsr22dDX5O127If/vXNisWJM7JzB65yX2y0ZlAAIoDX6XwADDtnvMlHPX KI+CqwGyk41Wwc9F6WPOL+NUwaqCcVumeDGBSZ5LFN4uqR1SeSfztAVqgtDU++u4 cePZlNXwob5BlzfqF8DG5uGagxirXIiwOo6N63xSCWuU0NMwfdi7wrMLi/cfFqeg xCyB6mSm+BE6qSwppzSupHxwuQH0RzOSsSAQArKarEICnQfmgKAd98r6fDkRffJQ mrfUGMF/bvf7kDyv9kywjFw+KPWr0DNWRjFaLF9gcIxyI6Ml5HDFVzkK7WpI0dou N/rO/XGjNt8mVYgAG1BgFRXwSE2NRufNbQTygVUfe7coBSjth+Y= =p2V5 -----END PGP SIGNATURE----- Merge tag 'nfs-for-6.18-2' of git://git.linux-nfs.org/projects/anna/linux-nfs Pull NFS client fixes from Anna Schumaker: - Fix for FlexFiles mirror->dss allocation - Apply delay_retrans to async operations - Check if suid/sgid is cleared after a write when needed - Fix setting the state renewal timer for early mounts after a reboot * tag 'nfs-for-6.18-2' of git://git.linux-nfs.org/projects/anna/linux-nfs: NFS4: Fix state renewals missing after boot NFS: check if suid/sgid was cleared after a write as needed NFS4: Apply delay_retrans to async operations NFSv4/flexfiles: fix to allocate mirror->dss before use |
||
|
Linus Torvalds
|
4ccb3a8000 |
smb client fixes and some clealup
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Merge tag '6.18-rc1-smb-client-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull smb client fixes from Steve French:
"smb client fixes, security and smbdirect improvements, and some minor cleanup:
- Important OOB DFS fix
- Fix various potential tcon refcount leaks
- smbdirect (RDMA) fixes (following up from test event a few weeks
ago):
- Fixes to improve and simplify handling of memory lifetime of
smbdirect_mr_io structures, when a connection gets disconnected
- Make sure we really wait to reach SMBDIRECT_SOCKET_DISCONNECTED
before destroying resources
- Make sure the send/recv submission/completion queues are large
enough to avoid ib_post_send() from failing under pressure
- convert cifs.ko to use the recommended crypto libraries (instead of
crypto_shash), this also can improve performance
- Three small cleanup patches"
* tag '6.18-rc1-smb-client-fixes' of git://git.samba.org/sfrench/cifs-2.6: (24 commits)
smb: client: Consolidate cmac(aes) shash allocation
smb: client: Remove obsolete crypto_shash allocations
smb: client: Use HMAC-MD5 library for NTLMv2
smb: client: Use MD5 library for SMB1 signature calculation
smb: client: Use MD5 library for M-F symlink hashing
smb: client: Use HMAC-SHA256 library for SMB2 signature calculation
smb: client: Use HMAC-SHA256 library for key generation
smb: client: Use SHA-512 library for SMB3.1.1 preauth hash
cifs: parse_dfs_referrals: prevent oob on malformed input
smb: client: Fix refcount leak for cifs_sb_tlink
smb: client: let smbd_destroy() wait for SMBDIRECT_SOCKET_DISCONNECTED
smb: move some duplicate definitions to common/cifsglob.h
smb: client: let destroy_mr_list() keep smbdirect_mr_io memory if registered
smb: client: let destroy_mr_list() call ib_dereg_mr() before ib_dma_unmap_sg()
smb: client: call ib_dma_unmap_sg if mr->sgt.nents is not 0
smb: client: improve logic in smbd_deregister_mr()
smb: client: improve logic in smbd_register_mr()
smb: client: improve logic in allocate_mr_list()
smb: client: let destroy_mr_list() remove locked from the list
smb: client: let destroy_mr_list() call list_del(&mr->list)
...
|
||
|
Linus Torvalds
|
02e5f74ef0 |
ARM:
- Fix the handling of ZCR_EL2 in NV VMs - Pick the correct translation regime when doing a PTW on the back of a SEA - Prevent userspace from injecting an event into a vcpu that isn't initialised yet - Move timer save/restore to the sysreg handling code, fixing EL2 timer access in the process - Add FGT-based trapping of MDSCR_EL1 to reduce the overhead of debug - Fix trapping configuration when the host isn't GICv3 - Improve the detection of HCR_EL2.E2H being RES1 - Drop a spurious 'break' statement in the S1 PTW - Don't try to access SPE when owned by EL3 Documentation updates: - Document the failure modes of event injection - Document that a GICv3 guest can be created on a GICv5 host with FEAT_GCIE_LEGACY Selftest improvements: - Add a selftest for the effective value of HCR_EL2.AMO - Address build warning in the timer selftest when building with clang - Teach irqfd selftests about non-x86 architectures - Add missing sysregs to the set_id_regs selftest - Fix vcpu allocation in the vgic_lpi_stress selftest - Correctly enable interrupts in the vgic_lpi_stress selftest x86: - Expand the KVM_PRE_FAULT_MEMORY selftest to add a regression test for the bug fixed by commit |
||
|
Linus Torvalds
|
0e622c4b0e |
powerpc fixes for 6.18 #2
- Fix to handle NULL pointer dereference at irq domain teardown - Fix for handling extraction of struct xive_irq_data - Fix to skip parameter area allocation when fadump disabled Thanks to: Ganesh Goudar, Hari Bathini, Nam Cao, Ritesh Harjani (IBM) Sourabh Jain, Venkat Rao Bagalkote, -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEqX2DNAOgU8sBX3pRpnEsdPSHZJQFAmjzbw8ACgkQpnEsdPSH ZJQRQQ//S+NgNrn7KloQ28W+zLauH1GZKTkAwR3D8M1wFWwkM4guyxhHVCagxO6d dL1Hs4dUzoCfum6qw2/E0Jc/4ul7YLv3QeiTyz6UwytrZOHeUy7WvPUtksb22+Hk FSdUP/hD2td8SP1V4vsJVuK58DieiwNMpXvPssnq9wmCJoepKNdc3TTFSIRWji92 PfL9ooYwoT5flW7nvf7Tx0ZbfL1pEIbTjEufsQOINofTadZnOfSvJoq0zYf5VFFF 8v1YDOqWfBvWJWR0eLLdS8S0tWLIf6e8h6cQkWIninvsVU1LtWhcbGiq1xD3BTFl RYCTkUzNjFAf0lvkjfheXylqKZhoDglfGsHQhADCL0cCtSbRCUYkz24+n7m7se3Y 0hj1Xs3hi4ELH/i5m6VZqL3sEsXnOLOfA8fD9mhDCy+33RK5jMNdNhTjTLsSmW1T m0E7gF6Yt16BTggWuQJREXtEVCQbQOxhDZwuG4tw3bAU3VAuyUbkVggS9Fadb81Q klTGTAY8s3BxTzjVzeQByhOCtpyRgkKX3UEYH2CwGHi5NbpcSKlQx7q7JuxenkP4 aOY9A1oCc4H/vjM2hUOtdu9wUO4hxMrGwv8Nk0dJFFGOJLS/ArdXTvcayrX2J8I9 Rnkd+ztef8n7lkVjjl82WrRD/gIDMFXZQvsos0nHTS+pRdMX2mk= =YUzr -----END PGP SIGNATURE----- Merge tag 'powerpc-6.18-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc fixes from Madhavan Srinivasan: - Fix to handle NULL pointer dereference at irq domain teardown - Fix for handling extraction of struct xive_irq_data - Fix to skip parameter area allocation when fadump disabled Thanks to Ganesh Goudar, Hari Bathini, Nam Cao, Ritesh Harjani (IBM), Sourabh Jain, and Venkat Rao Bagalkote, * tag 'powerpc-6.18-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc/fadump: skip parameter area allocation when fadump is disabled powerpc, ocxl: Fix extraction of struct xive_irq_data powerpc/pseries/msi: Fix NULL pointer dereference at irq domain teardown |
||
|
Linus Torvalds
|
959f018f97 |
slab fixes for 6.18-rc2
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||
Stuart Yoder
|
dbfdaeb381 |
tpm_crb: Add idle support for the Arm FF-A start method
According to the CRB over FF-A specification [1], a TPM that implements the ABI must comply with the TCG PTP specification. This requires support for the Idle and Ready states. This patch implements CRB control area requests for goIdle and cmdReady on FF-A based TPMs. The FF-A message used to notify the TPM of CRB updates includes a locality parameter, which provides a hint to the TPM about which locality modified the CRB. This patch adds a locality parameter to __crb_go_idle() and __crb_cmd_ready() to support this. [1] https://developer.arm.com/documentation/den0138/latest/ Signed-off-by: Stuart Yoder <stuart.yoder@arm.com> Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org> Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org> |
||
Paolo Bonzini
|
4361f5aa8b |
KVM x86 fixes for 6.18:
- Expand the KVM_PRE_FAULT_MEMORY selftest to add a regression test for the
bug fixed by commit
|
||
|
Paolo Bonzini
|
5d26eaae15 |
KVM/arm64 fixes for 6.18, take #1
Improvements and bug fixes: - Fix the handling of ZCR_EL2 in NV VMs (20250926194108.84093-1-oliver.upton@linux.dev) - Pick the correct translation regime when doing a PTW on the back of a SEA (20250926224246.731748-1-oliver.upton@linux.dev) - Prevent userspace from injecting an event into a vcpu that isn't initialised yet (20250930085237.108326-1-oliver.upton@linux.dev) - Move timer save/restore to the sysreg handling code, fixing EL2 timer access in the process (20250929160458.3351788-1-maz@kernel.org) - Add FGT-based trapping of MDSCR_EL1 to reduce the overhead of debug (20250924235150.617451-1-oliver.upton@linux.dev) - Fix trapping configuration when the host isn't GICv3 (20251007160704.1673584-1-sascha.bischoff@arm.com) - Improve the detection of HCR_EL2.E2H being RES1 (20251009121239.29370-1-maz@kernel.org) - Drop a spurious 'break' statement in the S1 PTW (20250930135621.162050-1-osama.abdelkader@gmail.com) - Don't try to access SPE when owned by EL3 (20251010174707.1684200-1-mukesh.ojha@oss.qualcomm.com) Documentation updates: - Document the failure modes of event injection (20250930233620.124607-1-oliver.upton@linux.dev) - Document that a GICv3 guest can be created on a GICv5 host with FEAT_GCIE_LEGACY (20251007154848.1640444-1-sascha.bischoff@arm.com) Selftest improvements: - Add a sesttest for the effective value of HCR_EL2.AMO (20250926224454.734066-1-oliver.upton@linux.dev) - Address build warning in the timer selftest when building with clang (20250926155838.2612205-1-seanjc@google.com) - Teach irq_fd selftests about non-x86 architectures (20250930193301.119859-1-oliver.upton@linux.dev) - Add missing sysregs to the set_id_regs selftest (20251012154352.61133-1-zenghui.yu@linux.dev) - Fix vcpu allocation in the vgic_lpi_stress selftest (20251008154520.54801-1-zenghui.yu@linux.dev) - Correctly enable interrupts in the vgic_lpi_stress selftest (20251007195254.260539-1-oliver.upton@linux.dev) -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEn9UcU+C1Yxj9lZw9I9DQutE9ekMFAmjuPmEACgkQI9DQutE9 ekPsvhAAnvqnMtZA/4PkW7JemIBZQYKEiMWrSnsdxj+0wDYN0wvyT1Bwrnqr/QLi i+4eBNCqiydxQrIg3nocmd4mtmfTZAZfwYPuYOW2Z5j2eJ1+xkkiacbCJZZTRXR1 mzLhZ/kFWBHf37OhluMQjaCWokiBQN3H699Sxs7GXZT/KpWz3EunjtBAe2oinUUX so0j5NSYHiTNON8VSfNwLi9HXEMmEZVvuao7TMaN0xUQIM0Kvlic6XzbvCvSga9S gldsmab5JtN3N/ZSCsYTn5Cr2TctbQVxwgH2QVdPADzImbu+nxI4r4f7MCL6lNYw AueVHzYSFAJHieebd10ZF1tiJVar2cQ9wVc4JwDfaZv4TwCcv6SHzBaxFf26LuSN uVVRCwOZRoewXI2k57Sp6TU/uhzc11tSK4hZTt/tUY5AG7zraEC4c0flbjhfhngp FCssLsfQiPBmAOhsxBnUvYDf8WXlrhvfhZLGSmfPrO9fxL5Yd8dU6nvuAjtvjLG7 8579QqAtllo9yxV3na5GTtdBDlloWXl1yIzrGVW21UoAd23kXFcKFmnZoGKbvw6F yccCCU2bZ3s4USH9h4fJJqYDfi01LQsU219G8m696zD76oeMnt8/TZvD2/atZIBR uF/nd71btHP+mHC4aKScWERGt0edZEJeP71G+1OubOgPG+q6+Cs= =DOeP -----END PGP SIGNATURE----- Merge tag 'kvmarm-fixes-6.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD KVM/arm64 fixes for 6.18, take #1 Improvements and bug fixes: - Fix the handling of ZCR_EL2 in NV VMs (20250926194108.84093-1-oliver.upton@linux.dev) - Pick the correct translation regime when doing a PTW on the back of a SEA (20250926224246.731748-1-oliver.upton@linux.dev) - Prevent userspace from injecting an event into a vcpu that isn't initialised yet (20250930085237.108326-1-oliver.upton@linux.dev) - Move timer save/restore to the sysreg handling code, fixing EL2 timer access in the process (20250929160458.3351788-1-maz@kernel.org) - Add FGT-based trapping of MDSCR_EL1 to reduce the overhead of debug (20250924235150.617451-1-oliver.upton@linux.dev) - Fix trapping configuration when the host isn't GICv3 (20251007160704.1673584-1-sascha.bischoff@arm.com) - Improve the detection of HCR_EL2.E2H being RES1 (20251009121239.29370-1-maz@kernel.org) - Drop a spurious 'break' statement in the S1 PTW (20250930135621.162050-1-osama.abdelkader@gmail.com) - Don't try to access SPE when owned by EL3 (20251010174707.1684200-1-mukesh.ojha@oss.qualcomm.com) Documentation updates: - Document the failure modes of event injection (20250930233620.124607-1-oliver.upton@linux.dev) - Document that a GICv3 guest can be created on a GICv5 host with FEAT_GCIE_LEGACY (20251007154848.1640444-1-sascha.bischoff@arm.com) Selftest improvements: - Add a selftest for the effective value of HCR_EL2.AMO (20250926224454.734066-1-oliver.upton@linux.dev) - Address build warning in the timer selftest when building with clang (20250926155838.2612205-1-seanjc@google.com) - Teach irq_fd selftests about non-x86 architectures (20250930193301.119859-1-oliver.upton@linux.dev) - Add missing sysregs to the set_id_regs selftest (20251012154352.61133-1-zenghui.yu@linux.dev) - Fix vcpu allocation in the vgic_lpi_stress selftest (20251008154520.54801-1-zenghui.yu@linux.dev) - Correctly enable interrupts in the vgic_lpi_stress selftest (20251007195254.260539-1-oliver.upton@linux.dev) |
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|
Linus Torvalds
|
f406055cb1 |
arm64 fixes:
- Explicitly encode the XZR register if the value passed to
write_sysreg_s() is 0. The GIC CDEOI instruction is encoded as a
system register write with XZR as the source register. However, clang
does not honour the "Z" register constraint, leading to incorrect
code generation
- Ensure the interrupts (DAIF.IF) are unmasked when completing
single-step of a suspended breakpoint before calling
exit_to_user_mode(). With pseudo-NMIs, interrupts are (additionally)
masked at the PMR_EL1 register, handled by local_irq_*()
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Catalin Marinas:
- Explicitly encode the XZR register if the value passed to
write_sysreg_s() is 0.
The GIC CDEOI instruction is encoded as a system register write with
XZR as the source register. However, clang does not honour the "Z"
register constraint, leading to incorrect code generation
- Ensure the interrupts (DAIF.IF) are unmasked when completing
single-step of a suspended breakpoint before calling
exit_to_user_mode().
With pseudo-NMIs, interrupts are (additionally) masked at the PMR_EL1
register, handled by local_irq_*()
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: debug: always unmask interrupts in el0_softstp()
arm64/sysreg: Fix GIC CDEOI instruction encoding
|
||
|
Linus Torvalds
|
fe69107ec7 |
RISC-V updates for v6.18-rc2
Some RISC-V fixes for v6.18-rc2, including changes to: - Disable CFI with Rust for any platform other than x86 and ARM64 - Keep task mm_cpumasks up-to-date to avoid triggering M-mode firmware warnings if the kernel tries to send an IPI to an offline CPU - Improve kprobe address validation performance and avoid desyncs (following x86) - Avoid duplicate device probes by avoiding DT hardware probing when ACPI is enabled in early boot - Use the correct set of dependencies for CONFIG_ARCH_HAS_ELF_CORE_EFLAGS, avoiding an allnoconfig warning - Fix a few other minor issues -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEElRDoIDdEz9/svf2Kx4+xDQu9KksFAmjx8FsACgkQx4+xDQu9 KkuXEQ/7BDWfsM7XReMU1Nt8nUXsJRXxM8USSkJR0jx7+kHPSkOXOTeT5I0oz2kX 1CE5OEReZUlbKEkbmdBaHgO+oqAOzPWQhLtA4Cx+t0Tzj5ruCEA0jh1Z0jP42OFT gKQjuJoLIavNYplER+HRdOELdnQgdaoqfys7Ym6j0ReXpRnJ1mB9M/9PCqM+9t7Z QQGIJk8sUeAeeedtsEs3db7KmjZalBX16/BnDq2SV8lqgQRfDps94yIFzH8FVc6h 641oATm9CJQFii8Vm356ndEpp9ta7jjkPVJbzvXsIv8GE+RoSrm2fiYB1PsZaU3Q C+pGMxVu/y3xImJTIJUFp250b/p4u5AIbUDdFIKKE/Szp8J/Svue6ojlT9LvKaEl Ontc/XIVJ9s5bf+oB+L9HUqH+LEdui4edD3Ovy2DurSTXfvzkr2AD8f93fziHfnI VyUUhludzMCRv3X2oAqvc3qrUEtilJb0tATAiJYpmWDI/RQLF3bTSaaurqrq1l9L HOehShBRnVXmDHhoxzRzh+FHFfViSPYOqA0SEjMjIPobN60zxULNohMjyFndA8jO MD1QrJqgRKNCBBmtmZadzeXksKTgCtPtR+isnDahS8o7q0UOhDeZliQqyHq++SsH sd+28DnZY0evVpOW7+nuxwlMu7jzEduMsDuqRgTpBx2GbkYkQd4= =ZOFG -----END PGP SIGNATURE----- Merge tag 'riscv-for-linux-6.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux Pull RISC-V fixes from Paul Walmsley: - Disable CFI with Rust for any platform other than x86 and ARM64 - Keep task mm_cpumasks up-to-date to avoid triggering M-mode firmware warnings if the kernel tries to send an IPI to an offline CPU - Improve kprobe address validation performance and avoid desyncs (following x86) - Avoid duplicate device probes by avoiding DT hardware probing when ACPI is enabled in early boot - Use the correct set of dependencies for CONFIG_ARCH_HAS_ELF_CORE_EFLAGS, avoiding an allnoconfig warning - Fix a few other minor issues * tag 'riscv-for-linux-6.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: riscv: kprobes: convert one final __ASSEMBLY__ to __ASSEMBLER__ riscv: Respect dependencies of ARCH_HAS_ELF_CORE_EFLAGS riscv: acpi: avoid errors caused by probing DT devices when ACPI is used riscv: kprobes: Fix probe address validation riscv: entry: fix typo in comment 'instruciton' -> 'instruction' RISC-V: clear hot-unplugged cores from all task mm_cpumasks to avoid rfence errors riscv: kgdb: Ensure that BUFMAX > NUMREGBYTES rust: cfi: only 64-bit arm and x86 support CFI_CLANG |
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Brahmajit Das
|
a1e83d4c03 |
selftests/bpf: Fix redefinition of 'off' as different kind of symbol
This fixes the following build error
CLNG-BPF [test_progs] verifier_global_ptr_args.bpf.o
progs/verifier_global_ptr_args.c:228:5: error: redefinition of 'off' as
different kind of symbol
228 | u32 off;
| ^
The symbol 'off' was previously defined in
tools/testing/selftests/bpf/tools/include/vmlinux.h, which includes an
enum i40e_ptp_gpio_pin_state from
drivers/net/ethernet/intel/i40e/i40e_ptp.c:
enum i40e_ptp_gpio_pin_state {
end = -2,
invalid = -1,
off = 0,
in_A = 1,
in_B = 2,
out_A = 3,
out_B = 4,
};
This enum is included when CONFIG_I40E is enabled. As of commit
|
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Sahil Chandna
|
7c33e97a6e |
bpf: Do not disable preemption in bpf_test_run().
The timer mode is initialized to NO_PREEMPT mode by default, this disables preemption and force execution in atomic context causing issue on PREEMPT_RT configurations when invoking spin_lock_bh(), leading to the following warning: BUG: sleeping function called from invalid context at kernel/locking/spinlock_rt.c:48 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 6107, name: syz.0.17 preempt_count: 1, expected: 0 RCU nest depth: 1, expected: 1 Preemption disabled at: [<ffffffff891fce58>] bpf_test_timer_enter+0xf8/0x140 net/bpf/test_run.c:42 Fix this, by removing NO_PREEMPT/NO_MIGRATE mode check. Also, the test timer context no longer needs explicit calls to migrate_disable()/migrate_enable() with rcu_read_lock()/rcu_read_unlock(). Use helpers rcu_read_lock_dont_migrate() and rcu_read_unlock_migrate() instead. Reported-by: syzbot+1f1fbecb9413cdbfbef8@syzkaller.appspotmail.com Closes: https://syzkaller.appspot.com/bug?extid=1f1fbecb9413cdbfbef8 Suggested-by: Yonghong Song <yonghong.song@linux.dev> Suggested-by: Menglong Dong <menglong.dong@linux.dev> Acked-by: Yonghong Song <yonghong.song@linux.dev> Tested-by: syzbot+1f1fbecb9413cdbfbef8@syzkaller.appspotmail.com Co-developed-by: Brahmajit Das <listout@listout.xyz> Signed-off-by: Brahmajit Das <listout@listout.xyz> Signed-off-by: Sahil Chandna <chandna.sahil@gmail.com> Link: https://lore.kernel.org/r/20251014185635.10300-1-chandna.sahil@gmail.com Signed-off-by: Alexei Starovoitov <ast@kernel.org> |
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Ada Couprie Diaz
|
ea0d55ae4b |
arm64: debug: always unmask interrupts in el0_softstp()
We intend that EL0 exception handlers unmask all DAIF exceptions
before calling exit_to_user_mode().
When completing single-step of a suspended breakpoint, we do not call
local_daif_restore(DAIF_PROCCTX) before calling exit_to_user_mode(),
leaving all DAIF exceptions masked.
When pseudo-NMIs are not in use this is benign.
When pseudo-NMIs are in use, this is unsound. At this point interrupts
are masked by both DAIF.IF and PMR_EL1, and subsequent irq flag
manipulation may not work correctly. For example, a subsequent
local_irq_enable() within exit_to_user_mode_loop() will only unmask
interrupts via PMR_EL1 (leaving those masked via DAIF.IF), and
anything depending on interrupts being unmasked (e.g. delivery of
signals) will not work correctly.
This was detected by CONFIG_ARM64_DEBUG_PRIORITY_MASKING.
Move the call to `try_step_suspended_breakpoints()` outside of the check
so that interrupts can be unmasked even if we don't call the step handler.
Fixes:
|
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Lorenzo Pieralisi
|
e9ad390a48 |
arm64/sysreg: Fix GIC CDEOI instruction encoding
The GIC CDEOI system instruction requires the Rt field to be set to 0b11111
otherwise the instruction behaviour becomes CONSTRAINED UNPREDICTABLE.
Currenly, its usage is encoded as a system register write, with a constant
0 value:
write_sysreg_s(0, GICV5_OP_GIC_CDEOI)
While compiling with GCC, the 0 constant value, through these asm
constraints and modifiers ('x' modifier and 'Z' constraint combo):
asm volatile(__msr_s(r, "%x0") : : "rZ" (__val));
forces the compiler to issue the XZR register for the MSR operation (ie
that corresponds to Rt == 0b11111) issuing the right instruction encoding.
Unfortunately LLVM does not yet understand that modifier/constraint
combo so it ends up issuing a different register from XZR for the MSR
source, which in turns means that it encodes the GIC CDEOI instruction
wrongly and the instruction behaviour becomes CONSTRAINED UNPREDICTABLE
that we must prevent.
Add a conditional to write_sysreg_s() macro that detects whether it
is passed a constant 0 value and issues an MSR write with XZR as source
register - explicitly doing what the asm modifier/constraint is meant to
achieve through constraints/modifiers, fixing the LLVM compilation issue.
Fixes:
|
||
|
Linus Torvalds
|
6f3b6e91f7 |
io_uring-6.18-20251016
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||
|
Linus Torvalds
|
0c8df15f75 |
block-6.18-20251016
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Merge tag 'block-6.18-20251016' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux
Pull block fixes from Jens Axboe:
- NVMe pull request via Keith:
- iostats accounting fixed on multipath retries (Amit)
- secure concatenation response fixup (Martin)
- tls partial record fixup (Wilfred)
- Fix for a lockdep reported issue with the elevator lock and
blk group frozen operations
- Fix for a regression in this merge window, where updating
'nr_requests' would not do the right thing for queues with
shared tags
* tag 'block-6.18-20251016' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux:
nvme/tcp: handle tls partially sent records in write_space()
block: Remove elevator_lock usage from blkg_conf frozen operations
blk-mq: fix stale tag depth for shared sched tags in blk_mq_update_nr_requests()
nvme-auth: update sc_c in host response
nvme-multipath: Skip nr_active increments in RETRY disposition
|
||
|
Linus Torvalds
|
cf1ea8854e |
MMC core:
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