ARC: boards: enable ticket spinlock on nsim SMP board

Enable ticket spinlock on nsim SMP board as they are naturally vulnerable to spinlock unfairness due to SMP nSIM way of work. Signed-off-by: Eugeniy Paltsev <[email protected]> Signed-off-by: Evgeniy Paltsev <[email protected]>
zephyrproject-rtos · Nov 5, 2023 · f3a007c · f3a007c
1 parent a6da17a
commit f3a007c
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diff --git a/boards/arc/nsim/nsim_hs5x_smp_12cores_defconfig b/boards/arc/nsim/nsim_hs5x_smp_12cores_defconfig
@@ -15,3 +15,4 @@ CONFIG_SERIAL=y
 CONFIG_ARC_EXCEPTION_DEBUG=y
 CONFIG_SMP=y
 CONFIG_MP_MAX_NUM_CPUS=12
+CONFIG_TICKET_SPINLOCKS=y
diff --git a/boards/arc/nsim/nsim_hs5x_smp_defconfig b/boards/arc/nsim/nsim_hs5x_smp_defconfig
@@ -15,3 +15,4 @@ CONFIG_SERIAL=y
 CONFIG_ARC_EXCEPTION_DEBUG=y
 CONFIG_SMP=y
 CONFIG_MP_MAX_NUM_CPUS=2
+CONFIG_TICKET_SPINLOCKS=y
diff --git a/boards/arc/nsim/nsim_hs6x_smp_12cores_defconfig b/boards/arc/nsim/nsim_hs6x_smp_12cores_defconfig
@@ -15,3 +15,4 @@ CONFIG_SERIAL=y
 CONFIG_ARC_EXCEPTION_DEBUG=y
 CONFIG_SMP=y
 CONFIG_MP_MAX_NUM_CPUS=12
+CONFIG_TICKET_SPINLOCKS=y
diff --git a/boards/arc/nsim/nsim_hs6x_smp_defconfig b/boards/arc/nsim/nsim_hs6x_smp_defconfig
@@ -15,3 +15,4 @@ CONFIG_SERIAL=y
 CONFIG_ARC_EXCEPTION_DEBUG=y
 CONFIG_SMP=y
 CONFIG_MP_MAX_NUM_CPUS=2
+CONFIG_TICKET_SPINLOCKS=y
diff --git a/boards/arc/nsim/nsim_hs_smp_defconfig b/boards/arc/nsim/nsim_hs_smp_defconfig
@@ -14,3 +14,4 @@ CONFIG_SERIAL=y
 CONFIG_ARC_EXCEPTION_DEBUG=y
 CONFIG_SMP=y
 CONFIG_MP_MAX_NUM_CPUS=2
+CONFIG_TICKET_SPINLOCKS=y