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| author | Gleb Natapov <gleb@redhat.com> | 2013-10-17 17:04:47 +0300 |
|---|---|---|
| committer | Gleb Natapov <gleb@redhat.com> | 2013-10-17 17:41:49 +0300 |
| commit | 13acfd5715144518232d8e29acf7c76ef1b089d8 (patch) | |
| tree | 093c4311a737210bbdd3d1919f8193cb5f017241 /arch/arm/mach-vexpress | |
| parent | d570142674890fe10b3d7d86aa105e3dfce1ddfa (diff) | |
| parent | 34ec4de42be5006abdd8d0c08b306ffaa64d0d5d (diff) | |
Powerpc KVM work is based on a commit after rc4.
Merging master into next to satisfy the dependencies.
Conflicts:
arch/arm/kvm/reset.c
Diffstat (limited to 'arch/arm/mach-vexpress')
| -rw-r--r-- | arch/arm/mach-vexpress/tc2_pm.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/arch/arm/mach-vexpress/tc2_pm.c b/arch/arm/mach-vexpress/tc2_pm.c index 7aeb5d60e48..e6eb4819291 100644 --- a/arch/arm/mach-vexpress/tc2_pm.c +++ b/arch/arm/mach-vexpress/tc2_pm.c @@ -131,6 +131,16 @@ static void tc2_pm_down(u64 residency) } else BUG(); + /* + * If the CPU is committed to power down, make sure + * the power controller will be in charge of waking it + * up upon IRQ, ie IRQ lines are cut from GIC CPU IF + * to the CPU by disabling the GIC CPU IF to prevent wfi + * from completing execution behind power controller back + */ + if (!skip_wfi) + gic_cpu_if_down(); + if (last_man && __mcpm_outbound_enter_critical(cpu, cluster)) { arch_spin_unlock(&tc2_pm_lock); @@ -231,7 +241,6 @@ static void tc2_pm_suspend(u64 residency) cpu = MPIDR_AFFINITY_LEVEL(mpidr, 0); cluster = MPIDR_AFFINITY_LEVEL(mpidr, 1); ve_spc_set_resume_addr(cluster, cpu, virt_to_phys(mcpm_entry_point)); - gic_cpu_if_down(); tc2_pm_down(residency); } |