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e271ed52b3
Fix three issues introduced into device suspend/resume error paths in the PM core by some of the recent updates. First off, replace list_splice() with list_splice_init() in three places in device suspend error paths to avoid attempting to use an uninitialized list head going forward. Second, rearrange device_resume() to avoid leaking the power.is_suspended device PM flag to the next system suspend/resume cycle where it can confuse rolling back after an error or early wakeup. Finally, add synchronization to dpm_async_resume_children() to avoid resetting the async state mistakenly for devices whose resume callbacks have already been queued up for asynchronous execution in the given device resume phase, which fortunately can happen only if the preceding system suspend transition has been aborted. -----BEGIN PGP SIGNATURE----- iQFGBAABCAAwFiEEcM8Aw/RY0dgsiRUR7l+9nS/U47UFAmhB5vASHHJqd0Byand5 c29ja2kubmV0AAoJEO5fvZ0v1OO1k7IH/RyTAYq/CyilGYCk7/Sd2NgOOrlkhapV s6J3qi13aegcVX1sskJTlgR893Zh1GVIEbNH0DtQz8ExhPb+XIwCxWVIZTaDfogj q40Y7DFn7XIhIH9KkmUab0/PKGdJjxz5EnLfJCFxYjztHC7W4Vx4hnaQyysFXa3t r1hm2e2wWeVKzayFkMUblfXAHX2PSy/JoHZTy71yMDO7XpOui97gr8DsINdXgG6e yCuTQX+3S0bwxnlRL6sHMvvaXMqZZzjVz50uJojP6bQ+7TdppYVIz/y6FVMuOmDd sAoAWz0/rAukjXf3bzqPcHJLvDixBXokFkTfAyMb9a+SKoofTSvULkY= =Wj0P -----END PGP SIGNATURE----- Merge tag 'pm-6.16-rc1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull power management fixes from Rafael Wysocki: "Fix three issues introduced into device suspend/resume error paths in the PM core by some of the recent updates. First off, replace list_splice() with list_splice_init() in three places in device suspend error paths to avoid attempting to use an uninitialized list head going forward. Second, rearrange device_resume() to avoid leaking the power.is_suspended device PM flag to the next system suspend/resume cycle where it can confuse rolling back after an error or early wakeup. Finally, add synchronization to dpm_async_resume_children() to avoid resetting the async state mistakenly for devices whose resume callbacks have already been queued up for asynchronous execution in the given device resume phase, which fortunately can happen only if the preceding system suspend transition has been aborted" * tag 'pm-6.16-rc1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: PM: sleep: Add locking to dpm_async_resume_children() PM: sleep: Fix power.is_suspended cleanup for direct-complete devices PM: sleep: Fix list splicing in device suspend error paths |
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Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.