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| author | David S. Miller <davem@davemloft.net> | 2012-02-19 16:03:15 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-02-19 16:03:15 -0500 |
| commit | 32efe08d77f5902ce7315fc9003c010ffffb8268 (patch) | |
| tree | 40a88e6bae4e797cafce33f16a25e350c038f9bb /arch/x86/xen/smp.c | |
| parent | da1943164677ae2cdd630196b79089d476726348 (diff) | |
| parent | b01543dfe67bb1d191998e90d20534dc354de059 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
drivers/net/ethernet/broadcom/bnx2x/bnx2x_stats.c
Small minor conflict in bnx2x, wherein one commit changed how
statistics were stored in software, and another commit
fixed endianness bugs wrt. reading the values provided by
the chip in memory.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/x86/xen/smp.c')
| -rw-r--r-- | arch/x86/xen/smp.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c index 041d4fe9dfe..501d4e0244b 100644 --- a/arch/x86/xen/smp.c +++ b/arch/x86/xen/smp.c @@ -409,6 +409,13 @@ static void __cpuinit xen_play_dead(void) /* used only with HOTPLUG_CPU */ play_dead_common(); HYPERVISOR_vcpu_op(VCPUOP_down, smp_processor_id(), NULL); cpu_bringup(); + /* + * Balance out the preempt calls - as we are running in cpu_idle + * loop which has been called at bootup from cpu_bringup_and_idle. + * The cpucpu_bringup_and_idle called cpu_bringup which made a + * preempt_disable() So this preempt_enable will balance it out. + */ + preempt_enable(); } #else /* !CONFIG_HOTPLUG_CPU */ |