diff options
author | Kevin Hilman <khilman@linaro.org> | 2015-10-13 16:29:43 -0700 |
---|---|---|
committer | Kevin Hilman <khilman@linaro.org> | 2015-10-13 16:29:43 -0700 |
commit | 974070b95b0c8ff6ef0d62109c16aea160cf3c7c (patch) | |
tree | 71da351fb8feb8698f2295e4a4a7def9a4623a81 /arch/parisc/kernel/irq.c | |
parent | 4d869de174c78ae29ca91b41581367c8092d933d (diff) | |
parent | f5552cd830e58c46dffae3617b3ce0c839771981 (diff) |
Merge branch 'linux-3.10.y' of git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable into linux-linaro-lsk-v3.10lsk-v3.10-15.10
* 'linux-3.10.y' of git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable: (77 commits)
Linux 3.10.90
Revert "iio: bmg160: IIO_BUFFER and IIO_TRIGGERED_BUFFER are required"
vfs: Remove incorrect debugging WARN in prepend_path
fib_rules: fix fib rule dumps across multiple skbs
sctp: fix race on protocol/netns initialization
net/ipv6: Correct PIM6 mrt_lock handling
ipv6: fix exthdrs offload registration in out_rt path
usbnet: Get EVENT_NO_RUNTIME_PM bit before it is cleared
ip6_gre: release cached dst on tunnel removal
rds: fix an integer overflow test in rds_info_getsockopt()
netlink: don't hold mutex in rcu callback when releasing mmapd ring
inet: frags: fix defragmented packet's IP header for af_packet
bonding: fix destruction of bond with devices different from arphrd_ether
ipv6: lock socket in ip6_datagram_connect()
isdn/gigaset: reset tty->receive_room when attaching ser_gigaset
bridge: mdb: fix double add notification
net: Fix skb_set_peeked use-after-free bug
net: Fix skb csum races when peeking
net: Clone skb before setting peeked flag
net: call rcu_read_lock early in process_backlog
...
Diffstat (limited to 'arch/parisc/kernel/irq.c')
-rw-r--r-- | arch/parisc/kernel/irq.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/arch/parisc/kernel/irq.c b/arch/parisc/kernel/irq.c index 2e6443b1e922..c32a37e0e0d2 100644 --- a/arch/parisc/kernel/irq.c +++ b/arch/parisc/kernel/irq.c @@ -524,8 +524,8 @@ void do_cpu_irq_mask(struct pt_regs *regs) struct pt_regs *old_regs; unsigned long eirr_val; int irq, cpu = smp_processor_id(); -#ifdef CONFIG_SMP struct irq_desc *desc; +#ifdef CONFIG_SMP cpumask_t dest; #endif @@ -538,8 +538,12 @@ void do_cpu_irq_mask(struct pt_regs *regs) goto set_out; irq = eirr_to_irq(eirr_val); -#ifdef CONFIG_SMP + /* Filter out spurious interrupts, mostly from serial port at bootup */ desc = irq_to_desc(irq); + if (unlikely(!desc->action)) + goto set_out; + +#ifdef CONFIG_SMP cpumask_copy(&dest, desc->irq_data.affinity); if (irqd_is_per_cpu(&desc->irq_data) && !cpu_isset(smp_processor_id(), dest)) { |