Locking interrupt handler in L1 cache

Hi, I have MPC 8548 Linux 2.6.x based firewall which will mostly do packet processing for 80% time. So obviously most of the time it will RX and TX packets through gianfar ethernet driver. I want to lock my interrupt handler of this driver in the L1 cache. 1. Is there any kernel API for locking

Locking interrupt handler in L1 cache

Hi, I have MPC 8548 Linux 2.6.x based firewall which will mostly do packet processing for 80% time. So obviously most of the time it will RX and TX packets through gianfar ethernet driver. I want to lock my interrupt handler of this driver in the L1 cache. 1. Is there any kernel API for locking