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4bf398e15a
The current function that both allocates and adds the interrupter isn't optimal when using several interrupters. The array of interrupters need to be protected with a lock while adding or removing interrupters. If memory is allocated under the default xhci spinlock then GFP_KERNEL can't be used. There is no need to allocate the interrupter memory under the lock, so split this code into separate unlocked allocate part, and a lock protected add part. Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com> Message-ID: <20230602144009.1225632-6-mathias.nyman@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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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 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.