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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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 */
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#include <mm/tlb.h>
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#include <mm/tlb.h>
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#include <smp/ipi.h>
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#include <synch/spinlock.h>
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#include <synch/spinlock.h>
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#include <typedefs.h>
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#include <typedefs.h>
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#include <arch/atomic.h>
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#include <arch/atomic.h>
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#include <arch/interrupt.h>
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#include <config.h>
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#include <config.h>
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#ifdef __SMP__
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#ifdef __SMP__
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static spinlock_t tlblock;
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static spinlock_t tlblock;
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static volatile int tlb_shootdown_cnt;
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static volatile int tlb_shootdown_cnt;
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void tlb_shootdown_finalize(void)
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void tlb_shootdown_finalize(void)
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{
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{
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    spinlock_unlock(&tlblock);
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    spinlock_unlock(&tlblock);
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}
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}
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void tlb_shootdown_ipi_send(void)
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{
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    ipi_broadcast(VECTOR_TLB_SHOOTDOWN_IPI);
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}
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void tlb_shootdown_ipi_recv(void)
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void tlb_shootdown_ipi_recv(void)
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{
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{
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    atomic_inc((int *) &tlb_shootdown_cnt);
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    atomic_inc((int *) &tlb_shootdown_cnt);
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    spinlock_lock(&tlblock);
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    spinlock_lock(&tlblock);
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    spinlock_unlock(&tlblock);
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    spinlock_unlock(&tlblock);