Peter Zijlstra 32d4fd5751 cpuidle,intel_idle: Fix CPUIDLE_FLAG_IRQ_ENABLE
Commit c227233ad6 ("intel_idle: enable interrupts before C1 on
Xeons") wrecked intel_idle in two ways:

 - must not have tracing in idle functions
 - must return with IRQs disabled

Additionally, it added a branch for no good reason.

Fixes: c227233ad6 ("intel_idle: enable interrupts before C1 on Xeons")
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
[ rjw: Moved the intel_idle() kerneldoc comment next to the function ]
Cc: 5.16+ <[email protected]> # 5.16+
Signed-off-by: Rafael J. Wysocki <[email protected]>
2022-06-08 18:05:45 +02:00
2022-06-05 17:18:54 -07:00
…

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 Restructured Text 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.
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