ISR_BUFFER_SIZE
BUILD_BUG_ON(!ISR_BUFFER_SIZE);
BUILD_BUG_ON(!IS_ALIGNED(ISR_BUFFER_SIZE, UNIT));
BUILD_BUG_ON((ISR_BUFFER_SIZE / UNIT - 1) >
((ISR_BUFFER_SIZE / UNIT - 1) << GUC_LOG_ISR_SHIFT) |
return ISR_BUFFER_SIZE;
ISR_BUFFER_SIZE;