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23 October 2021, 00:29:24 UTC
Revision 12be1036c536f849ad6f9bba73cffa708aa965c3 authored by Thomas Petazzoni on 24 July 2018, 11:53:05 UTC, committed by David S. Miller on 30 July 2018, 20:00:56 UTC 
sparc: use asm-generic version of msi.h
 
This is necessary to be able to include <linux/msi.h> when
CONFIG_GENERIC_MSI_IRQ_DOMAIN is enabled. Without this, a build with
CONFIG_GENERIC_MSI_IRQ_DOMAIN fails with:

   In file included from drivers//ata/ahci.c:45:0:
>> include/linux/msi.h:226:10: error: unknown type name 'msi_alloc_info_t'; did you mean 'sg_alloc_fn'?
             msi_alloc_info_t *arg);
             ^~~~~~~~~~~~~~~~
             sg_alloc_fn
   include/linux/msi.h:230:9: error: unknown type name 'msi_alloc_info_t'; did you mean 'sg_alloc_fn'?
            msi_alloc_info_t *arg);
            ^~~~~~~~~~~~~~~~
            sg_alloc_fn
   include/linux/msi.h:239:12: error: unknown type name 'msi_alloc_info_t'; did you mean 'sg_alloc_fn'?
               msi_alloc_info_t *arg);
               ^~~~~~~~~~~~~~~~
               sg_alloc_fn
   include/linux/msi.h:240:22: error: unknown type name 'msi_alloc_info_t'; did you mean 'sg_alloc_fn'?
     void  (*msi_finish)(msi_alloc_info_t *arg, int retval);
                         ^~~~~~~~~~~~~~~~
                         sg_alloc_fn
   include/linux/msi.h:241:20: error: unknown type name 'msi_alloc_info_t'; did you mean 'sg_alloc_fn'?
     void  (*set_desc)(msi_alloc_info_t *arg,
                       ^~~~~~~~~~~~~~~~
                       sg_alloc_fn
   include/linux/msi.h:316:18: error: unknown type name 'msi_alloc_info_t'; did you mean 'sg_alloc_fn'?
           int nvec, msi_alloc_info_t *args);
                     ^~~~~~~~~~~~~~~~
                     sg_alloc_fn
   include/linux/msi.h:318:29: error: unknown type name 'msi_alloc_info_t'; did you mean 'sg_alloc_fn'?
            int virq, int nvec, msi_alloc_info_t *args);
                                ^~~~~~~~~~~~~~~~
                                sg_alloc_fn

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
1 parent f0afc6b
Raw File
Tip revision: 12be1036c536f849ad6f9bba73cffa708aa965c3 authored by Thomas Petazzoni on 24 July 2018, 11:53:05 UTC
sparc: use asm-generic version of msi.h
Tip revision: 12be103
smp_processor_id.c 
// SPDX-License-Identifier: GPL-2.0
/*
 * lib/smp_processor_id.c
 *
 * DEBUG_PREEMPT variant of smp_processor_id().
 */
#include <linux/export.h>
#include <linux/sched.h>

notrace static unsigned int check_preemption_disabled(const char *what1,
							const char *what2)
{
	int this_cpu = raw_smp_processor_id();

	if (likely(preempt_count()))
		goto out;

	if (irqs_disabled())
		goto out;

	/*
	 * Kernel threads bound to a single CPU can safely use
	 * smp_processor_id():
	 */
	if (cpumask_equal(&current->cpus_allowed, cpumask_of(this_cpu)))
		goto out;

	/*
	 * It is valid to assume CPU-locality during early bootup:
	 */
	if (system_state < SYSTEM_SCHEDULING)
		goto out;

	/*
	 * Avoid recursion:
	 */
	preempt_disable_notrace();

	if (!printk_ratelimit())
		goto out_enable;

	printk(KERN_ERR "BUG: using %s%s() in preemptible [%08x] code: %s/%d\n",
		what1, what2, preempt_count() - 1, current->comm, current->pid);

	printk("caller is %pS\n", __builtin_return_address(0));
	dump_stack();

out_enable:
	preempt_enable_no_resched_notrace();
out:
	return this_cpu;
}

notrace unsigned int debug_smp_processor_id(void)
{
	return check_preemption_disabled("smp_processor_id", "");
}
EXPORT_SYMBOL(debug_smp_processor_id);

notrace void __this_cpu_preempt_check(const char *op)
{
	check_preemption_disabled("__this_cpu_", op);
}
EXPORT_SYMBOL(__this_cpu_preempt_check);
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