Messages in this thread | | | Date | Tue, 21 Jan 2014 21:00:49 -0500 | From | "Chen, Gong" <> | Subject | Re: [PATCH] x86, cpu hotplug, use cpumask stack safe variant cpumask_var_t in check_irq_vectors_for_cpu_disable() [v2] |
| |
On Mon, Jan 20, 2014 at 01:57:58PM -0500, Prarit Bhargava wrote: > Subject: [PATCH] x86, cpu hotplug, use cpumask stack safe variant > cpumask_var_t in check_irq_vectors_for_cpu_disable() [v2] > > kbuild, 0day kernel build service, outputs the warning: > > arch/x86/kernel/irq.c:333:1: warning: the frame size of 2056 bytes > is larger than 2048 bytes [-Wframe-larger-than=] > > because check_irq_vectors_for_cpu_disable() allocates two cpumasks on the > stack. Fix this by using cpumask_var_t, the cpumask stack safe variant. > > Signed-off-by: Prarit Bhargava <prarit@redhat.com> > Cc: Andi Kleen <ak@linux.intel.com> > Cc: Michel Lespinasse <walken@google.com> > Cc: Seiji Aguchi <seiji.aguchi@hds.com> > Cc: Yang Zhang <yang.z.zhang@Intel.com> > Cc: Paul Gortmaker <paul.gortmaker@windriver.com> > Cc: Janet Morgan <janet.morgan@intel.com> > Cc: Tony Luck <tony.luck@intel.com> > Cc: Ruiv Wang <ruiv.wang@gmail.com> > Cc: Gong Chen <gong.chen@linux.intel.com> > Cc: H. Peter Anvin <hpa@linux.intel.com> > Cc: Gong Chen <gong.chen@linux.intel.com> > Cc: x86@kernel.org > Cc: Fengguang Wu <fengguang.wu@intel.com> > > [v2]: switch from GFP_KERNEL to GFP_ATOMIC
Reviewed-by: Chen, Gong <gong.chen@linux.intel.com>
[unhandled content-type:application/pgp-signature] | |