mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-06 02:50:43 +00:00
a413a625b4
SPDX comments use use /* */ style comments in headers anad // style comments in .c files. Also fix two spelling mistakes. Signed-off-by: Tom Rix <trix@redhat.com> Message-Id: <20220410153840.55506-1-trix@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
44 lines
1.5 KiB
C
44 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
|
|
#ifndef __KVM_MM_H__
|
|
#define __KVM_MM_H__ 1
|
|
|
|
/*
|
|
* Architectures can choose whether to use an rwlock or spinlock
|
|
* for the mmu_lock. These macros, for use in common code
|
|
* only, avoids using #ifdefs in places that must deal with
|
|
* multiple architectures.
|
|
*/
|
|
|
|
#ifdef KVM_HAVE_MMU_RWLOCK
|
|
#define KVM_MMU_LOCK_INIT(kvm) rwlock_init(&(kvm)->mmu_lock)
|
|
#define KVM_MMU_LOCK(kvm) write_lock(&(kvm)->mmu_lock)
|
|
#define KVM_MMU_UNLOCK(kvm) write_unlock(&(kvm)->mmu_lock)
|
|
#define KVM_MMU_READ_LOCK(kvm) read_lock(&(kvm)->mmu_lock)
|
|
#define KVM_MMU_READ_UNLOCK(kvm) read_unlock(&(kvm)->mmu_lock)
|
|
#else
|
|
#define KVM_MMU_LOCK_INIT(kvm) spin_lock_init(&(kvm)->mmu_lock)
|
|
#define KVM_MMU_LOCK(kvm) spin_lock(&(kvm)->mmu_lock)
|
|
#define KVM_MMU_UNLOCK(kvm) spin_unlock(&(kvm)->mmu_lock)
|
|
#define KVM_MMU_READ_LOCK(kvm) spin_lock(&(kvm)->mmu_lock)
|
|
#define KVM_MMU_READ_UNLOCK(kvm) spin_unlock(&(kvm)->mmu_lock)
|
|
#endif /* KVM_HAVE_MMU_RWLOCK */
|
|
|
|
kvm_pfn_t hva_to_pfn(unsigned long addr, bool atomic, bool *async,
|
|
bool write_fault, bool *writable);
|
|
|
|
#ifdef CONFIG_HAVE_KVM_PFNCACHE
|
|
void gfn_to_pfn_cache_invalidate_start(struct kvm *kvm,
|
|
unsigned long start,
|
|
unsigned long end,
|
|
bool may_block);
|
|
#else
|
|
static inline void gfn_to_pfn_cache_invalidate_start(struct kvm *kvm,
|
|
unsigned long start,
|
|
unsigned long end,
|
|
bool may_block)
|
|
{
|
|
}
|
|
#endif /* HAVE_KVM_PFNCACHE */
|
|
|
|
#endif /* __KVM_MM_H__ */
|