Hi Qais, [auto build test WARNING on v4.3-rc5 -- if it's inappropriate base, please suggest rules for selecting the more suitable base] url: https://github.com/0day-ci/linux/commits/Qais-Yousef/Implement-generic-IPI-support-mechanism/20151013-182314 config: x86_64-randconfig-s0-10131828 (attached as .config) reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All warnings (new ones prefixed by >>): In file included from include/uapi/linux/stddef.h:1:0, from include/linux/stddef.h:4, from include/uapi/linux/posix_types.h:4, from include/uapi/linux/types.h:13, from include/linux/types.h:5, from include/linux/smp.h:10, from include/linux/irq.h:12, from kernel/irq/manage.c:12: kernel/irq/manage.c: In function '__irq_desc_send_ipi': kernel/irq/manage.c:2001:41: error: 'struct irq_data' has no member named 'ipi_mask' if (!bitmap_subset(dest->cpumask, data->ipi_mask.cpumask, ^ include/linux/compiler.h:147:28: note: in definition of macro '__trace_if' if (__builtin_constant_p((cond)) ? !!(cond) : \ ^ >> kernel/irq/manage.c:2001:3: note: in expansion of macro 'if' if (!bitmap_subset(dest->cpumask, data->ipi_mask.cpumask, ^ kernel/irq/manage.c:2001:41: error: 'struct irq_data' has no member named 'ipi_mask' if (!bitmap_subset(dest->cpumask, data->ipi_mask.cpumask, ^ include/linux/compiler.h:147:40: note: in definition of macro '__trace_if' if (__builtin_constant_p((cond)) ? !!(cond) : \ ^ >> kernel/irq/manage.c:2001:3: note: in expansion of macro 'if' if (!bitmap_subset(dest->cpumask, data->ipi_mask.cpumask, ^ kernel/irq/manage.c:2001:41: error: 'struct irq_data' has no member named 'ipi_mask' if (!bitmap_subset(dest->cpumask, data->ipi_mask.cpumask, ^ include/linux/compiler.h:158:16: note: in definition of macro '__trace_if' ______r = !!(cond); \ ^ >> kernel/irq/manage.c:2001:3: note: in expansion of macro 'if' if (!bitmap_subset(dest->cpumask, data->ipi_mask.cpumask, ^ vim +/if +2001 kernel/irq/manage.c 1985 } 1986 1987 int __irq_desc_send_ipi(struct irq_desc *desc, const struct ipi_mask *dest) 1988 { 1989 struct irq_data *data = irq_desc_get_irq_data(desc); 1990 struct irq_chip *chip = irq_data_get_irq_chip(data); 1991 1992 if (!chip || !chip->irq_send_ipi) 1993 return -EINVAL; 1994 1995 /* 1996 * Do not validate the mask for IPIs marked global. These are 1997 * regular IPIs so we can avoid the operation as their target 1998 * mask is the cpu_possible_mask. 1999 */ 2000 if (!dest->global) { > 2001 if (!bitmap_subset(dest->cpumask, data->ipi_mask.cpumask, 2002 dest->nbits)) 2003 return -EINVAL; 2004 } 2005 2006 chip->irq_send_ipi(data, dest); 2007 return 0; 2008 } 2009 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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