Commit-ID: 048c9b954e20396e0c45ee778466994d1be2e612 Gitweb: http://git.kernel.org/tip/048c9b954e20396e0c45ee778466994d1be2e612 Author: Thomas Gleixner <t...@linutronix.de> AuthorDate: Wed, 12 Apr 2017 22:07:27 +0200 Committer: Thomas Gleixner <t...@linutronix.de> CommitDate: Sat, 15 Apr 2017 12:20:52 +0200
ia64/topology: Remove cpus_allowed manipulation The CPU hotplug callback fiddles with the cpus_allowed pointer to pin the calling thread on the plugged CPU. That's already guaranteed by the hotplug core code. Remove it. Signed-off-by: Thomas Gleixner <t...@linutronix.de> Cc: Fenghua Yu <fenghua...@intel.com> Cc: Tony Luck <tony.l...@intel.com> Cc: linux-i...@vger.kernel.org Cc: Herbert Xu <herb...@gondor.apana.org.au> Cc: "Rafael J. Wysocki" <r...@rjwysocki.net> Cc: Peter Zijlstra <pet...@infradead.org> Cc: Benjamin Herrenschmidt <b...@kernel.crashing.org> Cc: Sebastian Siewior <bige...@linutronix.de> Cc: Lai Jiangshan <jiangshan...@gmail.com> Cc: Viresh Kumar <viresh.ku...@linaro.org> Cc: Michael Ellerman <m...@ellerman.id.au> Cc: Tejun Heo <t...@kernel.org> Cc: "David S. Miller" <da...@davemloft.net> Cc: Len Brown <l...@kernel.org> Link: http://lkml.kernel.org/r/20170412201042.174518...@linutronix.de Signed-off-by: Thomas Gleixner <t...@linutronix.de> --- arch/ia64/kernel/topology.c | 6 ------ 1 file changed, 6 deletions(-) diff --git a/arch/ia64/kernel/topology.c b/arch/ia64/kernel/topology.c index 1a68f01..d76529c 100644 --- a/arch/ia64/kernel/topology.c +++ b/arch/ia64/kernel/topology.c @@ -355,18 +355,12 @@ static int cache_add_dev(unsigned int cpu) unsigned long i, j; struct cache_info *this_object; int retval = 0; - cpumask_t oldmask; if (all_cpu_cache_info[cpu].kobj.parent) return 0; - oldmask = current->cpus_allowed; - retval = set_cpus_allowed_ptr(current, cpumask_of(cpu)); - if (unlikely(retval)) - return retval; retval = cpu_cache_sysfs_init(cpu); - set_cpus_allowed_ptr(current, &oldmask); if (unlikely(retval < 0)) return retval;
