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-rw-r--r--kernel/arch/x86/configs/opnfv.config28
-rw-r--r--kernel/drivers/vfio/pci/vfio_pci_intrs.c2
-rw-r--r--kernel/kernel/time/hrtimer.c11
-rw-r--r--kernel/kernel/time/tick-sched.c64
4 files changed, 49 insertions, 56 deletions
diff --git a/kernel/arch/x86/configs/opnfv.config b/kernel/arch/x86/configs/opnfv.config
index 704af497d..462858c57 100644
--- a/kernel/arch/x86/configs/opnfv.config
+++ b/kernel/arch/x86/configs/opnfv.config
@@ -74,7 +74,7 @@ CONFIG_SYSVIPC_SYSCTL=y
CONFIG_POSIX_MQUEUE=y
CONFIG_POSIX_MQUEUE_SYSCTL=y
CONFIG_CROSS_MEMORY_ATTACH=y
-# CONFIG_FHANDLE is not set
+CONFIG_FHANDLE=y
CONFIG_USELIB=y
# CONFIG_AUDIT is not set
CONFIG_HAVE_ARCH_AUDITSYSCALL=y
@@ -734,15 +734,15 @@ CONFIG_IP_PNP_BOOTP=y
CONFIG_IP_PNP_RARP=y
# CONFIG_NET_IPIP is not set
# CONFIG_NET_IPGRE_DEMUX is not set
-# CONFIG_NET_IP_TUNNEL is not set
+CONFIG_NET_IP_TUNNEL=y
CONFIG_IP_MROUTE=y
# CONFIG_IP_MROUTE_MULTIPLE_TABLES is not set
CONFIG_IP_PIMSM_V1=y
CONFIG_IP_PIMSM_V2=y
CONFIG_SYN_COOKIES=y
-# CONFIG_NET_UDP_TUNNEL is not set
+CONFIG_NET_UDP_TUNNEL=y
# CONFIG_NET_FOU is not set
-# CONFIG_GENEVE is not set
+CONFIG_GENEVE=y
# CONFIG_INET_AH is not set
# CONFIG_INET_ESP is not set
# CONFIG_INET_IPCOMP is not set
@@ -972,11 +972,15 @@ CONFIG_NET_SCH_FIFO=y
# CONFIG_DCB is not set
CONFIG_DNS_RESOLVER=y
# CONFIG_BATMAN_ADV is not set
-# CONFIG_OPENVSWITCH is not set
+CONFIG_OPENVSWITCH=m
+CONFIG_OPENVSWITCH_VXLAN=m
+CONFIG_OPENVSWITCH_GENEVE=m
# CONFIG_VSOCKETS is not set
# CONFIG_NETLINK_MMAP is not set
# CONFIG_NETLINK_DIAG is not set
-# CONFIG_MPLS is not set
+CONFIG_MPLS=y
+CONFIG_NET_MPLS_GSO=m
+# CONFIG_MPLS_ROUTING is not set
# CONFIG_HSR is not set
# CONFIG_NET_SWITCHDEV is not set
CONFIG_RPS=y
@@ -1352,7 +1356,7 @@ CONFIG_NET_CORE=y
# CONFIG_NET_TEAM is not set
# CONFIG_MACVLAN is not set
# CONFIG_IPVLAN is not set
-# CONFIG_VXLAN is not set
+CONFIG_VXLAN=y
CONFIG_NETCONSOLE=y
CONFIG_NETPOLL=y
CONFIG_NET_POLL_CONTROLLER=y
@@ -1448,10 +1452,12 @@ CONFIG_IGB=y
CONFIG_IGBVF=y
CONFIG_IXGB=y
CONFIG_IXGBE=y
+CONFIG_IXGBE_VXLAN=y
# CONFIG_IXGBE_HWMON is not set
-# CONFIG_IXGBEVF is not set
+CONFIG_IXGBEVF=y
CONFIG_I40E=y
-# CONFIG_I40EVF is not set
+CONFIG_I40E_VXLAN=y
+CONFIG_I40EVF=y
# CONFIG_FM10K is not set
CONFIG_NET_VENDOR_I825XX=y
# CONFIG_IP1000 is not set
@@ -2373,7 +2379,7 @@ CONFIG_FB=y
# CONFIG_FIRMWARE_EDID is not set
CONFIG_FB_CMDLINE=y
# CONFIG_FB_DDC is not set
-# CONFIG_FB_BOOT_VESA_SUPPORT is not set
+CONFIG_FB_BOOT_VESA_SUPPORT=y
CONFIG_FB_CFB_FILLRECT=y
CONFIG_FB_CFB_COPYAREA=y
CONFIG_FB_CFB_IMAGEBLIT=y
@@ -2400,7 +2406,7 @@ CONFIG_FB_TILEBLITTING=y
# CONFIG_FB_IMSTT is not set
# CONFIG_FB_VGA16 is not set
# CONFIG_FB_UVESA is not set
-# CONFIG_FB_VESA is not set
+CONFIG_FB_VESA=y
# CONFIG_FB_N411 is not set
# CONFIG_FB_HGA is not set
# CONFIG_FB_OPENCORES is not set
diff --git a/kernel/drivers/vfio/pci/vfio_pci_intrs.c b/kernel/drivers/vfio/pci/vfio_pci_intrs.c
index 1f577b4ac..a21d8e1e3 100644
--- a/kernel/drivers/vfio/pci/vfio_pci_intrs.c
+++ b/kernel/drivers/vfio/pci/vfio_pci_intrs.c
@@ -352,7 +352,7 @@ static int vfio_msi_set_vector_signal(struct vfio_pci_device *vdev,
pci_write_msi_msg(irq, &msg);
}
- ret = request_irq(irq, vfio_msihandler, 0,
+ ret = request_irq(irq, vfio_msihandler, IRQF_NO_THREAD,
vdev->ctx[vector].name, trigger);
if (ret) {
kfree(vdev->ctx[vector].name);
diff --git a/kernel/kernel/time/hrtimer.c b/kernel/kernel/time/hrtimer.c
index 2c6be169b..5d193396e 100644
--- a/kernel/kernel/time/hrtimer.c
+++ b/kernel/kernel/time/hrtimer.c
@@ -583,6 +583,12 @@ static int hrtimer_reprogram(struct hrtimer *timer,
if (hrtimer_callback_running(timer))
return 0;
+ if (base->cpu_base != cpu_base)
+ return 0;
+
+ if (cpu_base->in_hrtirq)
+ return 0;
+
/*
* CLOCK_REALTIME timer might be requested with an absolute
* expiry time which is less than base->offset. Nothing wrong
@@ -613,12 +619,11 @@ static int hrtimer_reprogram(struct hrtimer *timer,
if (cpu_base->hang_detected)
return 0;
+ cpu_base->expires_next = expires;
/*
* Clockevents returns -ETIME, when the event was in the past.
*/
- res = tick_program_event(expires, 0);
- if (!IS_ERR_VALUE(res))
- cpu_base->expires_next = expires;
+ res = tick_program_event(expires, 1);
return res;
}
diff --git a/kernel/kernel/time/tick-sched.c b/kernel/kernel/time/tick-sched.c
index b3841ba00..f61dbf202 100644
--- a/kernel/kernel/time/tick-sched.c
+++ b/kernel/kernel/time/tick-sched.c
@@ -576,6 +576,20 @@ u64 get_cpu_iowait_time_us(int cpu, u64 *last_update_time)
}
EXPORT_SYMBOL_GPL(get_cpu_iowait_time_us);
+static void tick_nohz_restart(struct tick_sched *ts, ktime_t now)
+{
+ hrtimer_cancel(&ts->sched_timer);
+ hrtimer_set_expires(&ts->sched_timer, ts->last_tick);
+
+ /* Forward the time to expire in the future */
+ hrtimer_forward(&ts->sched_timer, now, tick_period);
+
+ if (ts->nohz_mode == NOHZ_MODE_HIGHRES)
+ hrtimer_start_expires(&ts->sched_timer, HRTIMER_MODE_ABS_PINNED);
+ else
+ tick_program_event(hrtimer_get_expires(&ts->sched_timer), 1);
+}
+
static ktime_t tick_nohz_stop_sched_tick(struct tick_sched *ts,
ktime_t now, int cpu)
{
@@ -704,22 +718,16 @@ static ktime_t tick_nohz_stop_sched_tick(struct tick_sched *ts,
goto out;
}
- if (ts->nohz_mode == NOHZ_MODE_HIGHRES) {
- hrtimer_start(&ts->sched_timer, expires,
- HRTIMER_MODE_ABS_PINNED);
- /* Check, if the timer was already in the past */
- if (hrtimer_active(&ts->sched_timer))
- goto out;
- } else if (!tick_program_event(expires, 0))
- goto out;
- /*
- * We are past the event already. So we crossed a
- * jiffie boundary. Update jiffies and raise the
- * softirq.
- */
- tick_do_update_jiffies64(ktime_get());
+ if (ts->nohz_mode == NOHZ_MODE_HIGHRES)
+ hrtimer_start(&ts->sched_timer, expires,
+ HRTIMER_MODE_ABS_PINNED);
+ else
+ tick_program_event(expires, 1);
+ } else {
+ /* Tick is stopped, but required now. Enforce it */
+ tick_nohz_restart(ts, now);
+
}
- raise_softirq_irqoff(TIMER_SOFTIRQ);
out:
ts->next_jiffies = next_jiffies;
ts->last_jiffies = last_jiffies;
@@ -880,32 +888,6 @@ ktime_t tick_nohz_get_sleep_length(void)
return ts->sleep_length;
}
-static void tick_nohz_restart(struct tick_sched *ts, ktime_t now)
-{
- hrtimer_cancel(&ts->sched_timer);
- hrtimer_set_expires(&ts->sched_timer, ts->last_tick);
-
- while (1) {
- /* Forward the time to expire in the future */
- hrtimer_forward(&ts->sched_timer, now, tick_period);
-
- if (ts->nohz_mode == NOHZ_MODE_HIGHRES) {
- hrtimer_start_expires(&ts->sched_timer,
- HRTIMER_MODE_ABS_PINNED);
- /* Check, if the timer was already in the past */
- if (hrtimer_active(&ts->sched_timer))
- break;
- } else {
- if (!tick_program_event(
- hrtimer_get_expires(&ts->sched_timer), 0))
- break;
- }
- /* Reread time and update jiffies */
- now = ktime_get();
- tick_do_update_jiffies64(now);
- }
-}
-
static void tick_nohz_restart_sched_tick(struct tick_sched *ts, ktime_t now)
{
/* Update jiffies first */