rtio: Add a context pool #92852
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rtio: Add a context pool #92852
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lgirdwood
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Jul 9, 2025
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Update 1: Misra rule fix moved to #93530 so sonar might complain but this is being fixed, didn't want to muddle the PRs. This PR now builds and mostly passes its tests, need to fix a semaphore permission issue. |
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area: RTIO
area: Userspace
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Adds a context pool that can be used when a number of threads may be dynamically created to use with RTIO. While the pool has a small cost to it, the cost of verifying a statically declared kobject likely makes it worth avoiding dynamically allocating these with the typical kobject_alloc method. Instead this arena style pool of objects can be used where the kobject validation uses the gperf hash created at build time. Signed-off-by: Tom Burdick <thomas.burdick@intel.com>
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Adds a context pool that can be used when a number of threads may be dynamically created to use with RTIO. While the pool has a small cost to it, the cost of verifying a statically declared kobject likely makes it worth avoiding dynamically allocating these with the typical kobject_alloc method. Instead this arena style pool of objects can be used where the kobject validation uses the gperf hash created at build time.