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 <[email protected]> > Cc: Andi Kleen <[email protected]> > Cc: Michel Lespinasse <[email protected]> > Cc: Seiji Aguchi <[email protected]> > Cc: Yang Zhang <[email protected]> > Cc: Paul Gortmaker <[email protected]> > Cc: Janet Morgan <[email protected]> > Cc: Tony Luck <[email protected]> > Cc: Ruiv Wang <[email protected]> > Cc: Gong Chen <[email protected]> > Cc: H. Peter Anvin <[email protected]> > Cc: Gong Chen <[email protected]> > Cc: [email protected] > Cc: Fengguang Wu <[email protected]> > > [v2]: switch from GFP_KERNEL to GFP_ATOMIC
Reviewed-by: Chen, Gong <[email protected]>
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