diff options
| author | Karl Mehltretter <kmehltretter@gmail.com> | 2026-09-05 04:37:46 +0200 |
|---|---|---|
| committer | Jonathan Corbet <corbet@lwn.net> | 2026-09-07 10:03:26 -0600 |
| commit | b31821013b2331fae246fd6e0530174785b7bca3 (patch) | |
| tree | f530818b1ea82a23bbe0a07acf55d9c594cc6daf /Documentation/core-api | |
| parent | bb2e6adb4739eea65311677316fb40603fd5052c (diff) | |
| download | linux-next-b31821013b2331fae246fd6e0530174785b7bca3.tar.gz linux-next-b31821013b2331fae246fd6e0530174785b7bca3.zip | |
docs: irqflags-tracing: Fix the lockdep Kconfig option names
CONFIG_PROVE_SPIN_LOCKING, CONFIG_PROVE_RW_LOCKING,
CONFIG_PROVE_MUTEX_LOCKING and CONFIG_PROVE_RWSEM_LOCKING have never
existed in mainline. Lock proving was merged as the single
CONFIG_PROVE_LOCKING, which has depended on CONFIG_TRACE_IRQFLAGS_SUPPORT
from the start, so there is no reduced set of options without it.
Fixes: 55df314fbdb4 ("[PATCH] lockdep: irqtrace subsystem, docs")
Assisted-by: LLM
Signed-off-by: Karl Mehltretter <kmehltretter@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Message-ID: <20260905023746.82998-1-kmehltretter@gmail.com>
Diffstat (limited to 'Documentation/core-api')
| -rw-r--r-- | Documentation/core-api/irq/irqflags-tracing.rst | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/Documentation/core-api/irq/irqflags-tracing.rst b/Documentation/core-api/irq/irqflags-tracing.rst index bdd208259fb3..a3c77046ae6b 100644 --- a/Documentation/core-api/irq/irqflags-tracing.rst +++ b/Documentation/core-api/irq/irqflags-tracing.rst @@ -9,12 +9,8 @@ that it gives interested subsystems an opportunity to be notified of every hardirqs-off/hardirqs-on, softirqs-off/softirqs-on event that happens in the kernel. -CONFIG_TRACE_IRQFLAGS_SUPPORT is needed for CONFIG_PROVE_SPIN_LOCKING -and CONFIG_PROVE_RW_LOCKING to be offered by the generic lock debugging -code. Otherwise only CONFIG_PROVE_MUTEX_LOCKING and -CONFIG_PROVE_RWSEM_LOCKING will be offered on an architecture - these -are locking APIs that are not used in IRQ context. (the one exception -for rwsems is worked around) +CONFIG_TRACE_IRQFLAGS_SUPPORT is needed for CONFIG_PROVE_LOCKING to be +offered by the generic lock debugging code. Architecture support for this is certainly not in the "trivial" category, because lots of lowlevel assembly code deal with irq-flags |