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authorLinus Torvalds <torvalds@linux-foundation.org>2026-10-02 12:17:24 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2026-10-02 12:17:24 -0700
commit3f1fe48a36b0b6722dc3fd421d93512bac138e9a (patch)
treeb767d7f6e26bc64334d3f14f8422d187239dc45d /Documentation/ABI/testing/sysfs-class-spi-eeprom
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Merge tag 'io_uring-7.3-20261002' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linuxgrafted
Pull io_uring fixes from Jens Axboe: - Fix a task_work add use-after-free with SQPOLL. The sqpoll thread could pop and complete the last request while io_req_normal_work_add() was still looking at them after the mpscq push. Use the same approach as DEFER_TASKRUN to protect from that, holding an RCU read lock across the add, and have exit wait for an RCU grace period for SQPOLL rings as well. - CQE32 ring fixes: correct the free entry check for 32b CQEs, zero the big_cqe for aux CQEs, and only post the dummy skip CQE on CQE_MIXED rings - Mark the source filter table as COW when cloning bpf filters, so registering another filter on the source doesn't modify the shared table in place - Initialize the task context before running the BPF loop - Requeue zcrx multishot receives stopped by a local resource - End a TX_TIMESTAMP multishot cmd when the CQ is full (lollipopkit) * tag 'io_uring-7.3-20261002' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux: io_uring: fix task_work add use-after-free with SQPOLL io_uring/cmd_net: end TX_TIMESTAMP multishot when the CQ is full io_uring/zcrx: requeue multishot receives stopped by a local resource io_uring: initialize task context before running the BPF loop io_uring: zero big_cqe for aux CQEs on CQE32 rings io_uring: fix free entry check for 32b CQEs on CQE32 rings io_uring: only post the dummy skip CQE on CQE_MIXED rings io_uring/bpf_filter: mark source as COW when cloning filters
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+What: /sys/class/spi_master/spi<bus>/spi<bus>.<dev>/fram
+Date: June 2021
+KernelVersion: 5.14
+Contact: Jiri Prchal <jiri.prchal@aksignal.cz>
+Description:
+ Contains the FRAM binary data. Same as EEPROM, just another file
+ name to indicate that it employs ferroelectric process.
+ It performs write operations at bus speed - no write delays.
+
+What: /sys/class/spi_master/spi<bus>/spi<bus>.<dev>/sernum
+Date: May 2021
+KernelVersion: 5.14
+Contact: Jiri Prchal <jiri.prchal@aksignal.cz>
+Description:
+ Contains the serial number of the Cypress FRAM (FM25VN) if it is
+ present. It will be displayed as a 8 byte hex string, as read
+ from the device.
+
+ This is a read-only attribute.
+
+What: /sys/class/spi_master/spi<bus>/spi<bus>.<dev>/jedec_id
+Date: January 2026
+KernelVersion: 6.19
+Contact: Patrick Wicki <patrick.wicki@siemens.com>
+Description:
+ Contains the raw JEDEC ID bytes returned by the RDID (0x9f) command. The
+ bytes are exposed as a hex string in big-endian order as read from the
+ device.
+
+ This is a read-only attribute.