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| author | Vijay Kumar <vijay.ac.kumar@oracle.com> | 2017-02-01 11:34:37 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-02-23 08:27:24 -0800 |
| commit | cffb3e76818fee4763a2ce5f2b1eca2d7885e2cf (patch) | |
| tree | 79bde1cfa73e4de029c9c3d700ff2c3d4bd73253 /arch/sparc/kernel | |
| parent | f41e54616ca1a199f6c17228f26082ccdaaab3de (diff) | |
| download | linux-cffb3e76818fee4763a2ce5f2b1eca2d7885e2cf.tar.bz2 | |
sparc64: Set cpu state to offline when stopped
CPU needs to be marked offline before stopping it. When not marked
offline, the xcall receives HV_EWOULDBLOCK and so assumes that not all
CPUs received the message, and retries. After 10000 retries, it finally
fails with fatal mondo timeout.
Signed-off-by: Vijay Kumar <vijay.ac.kumar@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc/kernel')
| -rw-r--r-- | arch/sparc/kernel/smp_64.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c index 0ce347f8e4cc..712bf1b7f630 100644 --- a/arch/sparc/kernel/smp_64.c +++ b/arch/sparc/kernel/smp_64.c @@ -1443,6 +1443,7 @@ void __irq_entry smp_receive_signal_client(int irq, struct pt_regs *regs) static void stop_this_cpu(void *dummy) { + set_cpu_online(smp_processor_id(), false); prom_stopself(); } @@ -1454,6 +1455,8 @@ void smp_send_stop(void) for_each_online_cpu(cpu) { if (cpu == smp_processor_id()) continue; + + set_cpu_online(cpu, false); #ifdef CONFIG_SUN_LDOMS if (ldom_domaining_enabled) { unsigned long hv_err; |