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Kumar Kartikeya Dwivedi
8707d1eedc
Move the definition of the struct mcs_spinlock from the private mcs_spinlock.h header in kernel/locking to the mcs_spinlock.h asm-generic header, since we will need to reference it from the qspinlock.h header in subsequent commits. Reviewed-by: Barret Rhoden <[email protected]> Signed-off-by: Kumar Kartikeya Dwivedi <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Alexei Starovoitov <[email protected]>
20 lines
402 B
C
20 lines
402 B
C
#ifndef __ASM_MCS_SPINLOCK_H
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#define __ASM_MCS_SPINLOCK_H
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struct mcs_spinlock {
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struct mcs_spinlock *next;
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int locked; /* 1 if lock acquired */
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int count; /* nesting count, see qspinlock.c */
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};
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/*
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* Architectures can define their own:
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*
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* arch_mcs_spin_lock_contended(l)
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* arch_mcs_spin_unlock_contended(l)
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*
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* See kernel/locking/mcs_spinlock.c.
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*/
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#endif /* __ASM_MCS_SPINLOCK_H */
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