Commit-ID: 048c9b954e20396e0c45ee778466994d1be2e612 Gitweb: http://git.kernel.org/tip/048c9b954e20396e0c45ee778466994d1be2e612 Author: Thomas Gleixner <[email protected]> AuthorDate: Wed, 12 Apr 2017 22:07:27 +0200 Committer: Thomas Gleixner <[email protected]> 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 <[email protected]> Cc: Fenghua Yu <[email protected]> Cc: Tony Luck <[email protected]> Cc: [email protected] Cc: Herbert Xu <[email protected]> Cc: "Rafael J. Wysocki" <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Benjamin Herrenschmidt <[email protected]> Cc: Sebastian Siewior <[email protected]> Cc: Lai Jiangshan <[email protected]> Cc: Viresh Kumar <[email protected]> Cc: Michael Ellerman <[email protected]> Cc: Tejun Heo <[email protected]> Cc: "David S. Miller" <[email protected]> Cc: Len Brown <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Thomas Gleixner <[email protected]> --- 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;
