[PATCH 0/4] [RFC] cpumask: Robustify the var-cpumask allocation APIs

From: Ingo Molnar
Date: Mon Dec 07 2015 - 03:50:14 EST


Hi Rusty,

this is the cpumask API robustification change we talked about in this
lkml thread:

[PATCH] sched/core: Clear the root_domain cpumasks in init_rootdomain()

The idea is to first migrate all users of alloc_cpumask_var() to
zalloc_cpumask_var(), then remove the old API.

We still keep __alloc_cpumask_var_node(), for users who absolutely want
to micro-manage their cpumask allocations.

I also addressed a related naming ambiguity in alloc_bootmem_cpumask_var().

Lightly tested.

( If you like this series I can merge it via -tip, or you can pick it up,
your call! )

Thanks,

Ingo

========>


Ingo Molnar (4):
cpumask: Migrate 'alloc_cpumask_var()' users to 'zalloc_cpumask_var()'
cpumask: Remove 'alloc_cpumask_var()'
cpumask: Rename 'alloc_bootmem_cpumask_var()' to 'zalloc_bootmem_cpumask_var()'
cpumask: Rename 'alloc_cpumask_var_node()' to '__alloc_cpumask_var_node()'

arch/ia64/kernel/smp.c | 2 +-
arch/mips/kernel/mips-mt-fpaff.c | 6 +++---
arch/powerpc/kernel/irq.c | 2 +-
arch/powerpc/kernel/rtas.c | 4 ++--
arch/powerpc/kernel/smp.c | 2 +-
arch/powerpc/mm/numa.c | 2 +-
arch/powerpc/platforms/powernv/subcore.c | 2 +-
arch/powerpc/platforms/pseries/smp.c | 2 +-
arch/powerpc/platforms/pseries/suspend.c | 2 +-
arch/x86/kernel/apic/vector.c | 4 ++--
arch/x86/kernel/cpu/common.c | 8 +++----
arch/x86/kernel/cpu/mcheck/mce-inject.c | 2 +-
arch/x86/kernel/smp.c | 2 +-
arch/x86/mm/mmio-mod.c | 2 +-
arch/x86/mm/numa.c | 2 +-
arch/x86/platform/uv/uv_nmi.c | 2 +-
arch/x86/xen/mmu.c | 2 +-
arch/x86/xen/smp.c | 2 +-
block/blk-mq-cpumap.c | 2 +-
crypto/pcrypt.c | 4 ++--
drivers/acpi/acpi_pad.c | 2 +-
drivers/acpi/processor_throttling.c | 2 +-
drivers/base/cpu.c | 2 +-
drivers/cpufreq/cpufreq.c | 2 +-
drivers/crypto/n2_core.c | 2 +-
drivers/firmware/dcdbas.c | 2 +-
drivers/hwmon/dell-smm-hwmon.c | 2 +-
drivers/net/ethernet/intel/i40e/i40e_main.c | 2 +-
drivers/pci/host/pci-xgene-msi.c | 2 +-
drivers/scsi/mpt3sas/mpt3sas_base.c | 2 +-
drivers/virtio/virtio_pci_common.c | 2 +-
include/linux/cpumask.h | 20 ++++++-----------
kernel/compat.c | 4 ++--
kernel/cpu.c | 2 +-
kernel/cpuset.c | 16 +++++++-------
kernel/irq/irqdesc.c | 2 +-
kernel/irq/manage.c | 6 +++---
kernel/irq/proc.c | 4 ++--
kernel/padata.c | 10 ++++-----
kernel/profile.c | 4 ++--
kernel/rcu/tree_plugin.h | 2 +-
kernel/sched/core.c | 16 +++++++-------
kernel/smpboot.c | 4 ++--
kernel/taskstats.c | 4 ++--
kernel/time/tick-sched.c | 6 +++---
kernel/torture.c | 2 +-
kernel/trace/ring_buffer.c | 2 +-
kernel/trace/trace.c | 10 ++++-----
kernel/workqueue.c | 4 ++--
lib/cpumask.c | 33 ++++++++++++++---------------
mm/vmstat.c | 2 +-
net/core/flow.c | 2 +-
net/core/net-sysfs.c | 4 ++--
net/core/sysctl_net_core.c | 2 +-
54 files changed, 116 insertions(+), 123 deletions(-)

--
2.5.0

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