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path: root/include/xen/arm/hypervisor.h
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#ifndef _ASM_ARM_XEN_HYPERVISOR_H
#define _ASM_ARM_XEN_HYPERVISOR_H

#include <linux/init.h>

extern struct shared_info *HYPERVISOR_shared_info;
extern struct start_info *xen_start_info;

/* Lazy mode for batching updates / context switch */
enum paravirt_lazy_mode {
	PARAVIRT_LAZY_NONE,
	PARAVIRT_LAZY_MMU,
	PARAVIRT_LAZY_CPU,
};

static inline enum paravirt_lazy_mode paravirt_get_lazy_mode(void)
{
	return PARAVIRT_LAZY_NONE;
}

extern struct dma_map_ops *xen_dma_ops;

#ifdef CONFIG_XEN
void __init xen_early_init(void);
#else
static inline void xen_early_init(void) { return; }
#endif

#ifdef CONFIG_HOTPLUG_CPU
static inline void xen_arch_register_cpu(int num)
{
}

static inline void xen_arch_unregister_cpu(int num)
{
}
#endif

#endif /* _ASM_ARM_XEN_HYPERVISOR_H */
t/include/uapi/asm-generic/mman.h?id=1b89970d81bbd52720fc64a3fe9572ee33588363'>1b89970d81bbd52720fc64a3fe9572ee33588363 (diff)
pinctrl: baytrail: Add missing spinlock usage in byt_gpio_irq_handler
According to VLI64 Intel Atom E3800 Specification Update (#329901) concurrent read accesses may result in returning 0xffffffff and write accesses may be dropped silently. To workaround all accesses must be protected by locks. Cc: stable@vger.kernel.org Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com> Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'include/uapi/asm-generic/mman.h')