Hi, For operations related to manipulation of Chain_Node we have two modes for that: protected and unprotected. In protected access to chain we guard the operation by disabling the interrupts while in unprotected we don't guard it. Is it that we don't disable interrupts in unprotected mode because we are sure that ISR will not affect the operation and with protected ISR may affect the operation so we guard operation against it. When is protected and unprotected used in respect with the context?
Thanks, Saurabh Gadia
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