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authorPaolo Bonzini <pbonzini@redhat.com>2021-01-07 18:06:52 -0500
committerPaolo Bonzini <pbonzini@redhat.com>2021-01-07 18:06:52 -0500
commitbc351f07260533cc1b3987339551decd00ddd52e (patch)
tree3b6f396681f08dacc8dd24ce2c586ea2195e825d /drivers/infiniband/hw/hfi1/mmu_rb.h
parentd45f89f7437d0f2c8275b4434096164db106384d (diff)
parent9aa418792f5f11ef5d6f72265e1f8ae07efd5784 (diff)
downloadlwn-bc351f07260533cc1b3987339551decd00ddd52e.tar.gz
lwn-bc351f07260533cc1b3987339551decd00ddd52e.zip
Merge branch 'kvm-master' into kvm-next
Fixes to get_mmio_spte, destined to 5.10 stable branch.
Diffstat (limited to 'drivers/infiniband/hw/hfi1/mmu_rb.h')
-rw-r--r--drivers/infiniband/hw/hfi1/mmu_rb.h16
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/hfi1/mmu_rb.h b/drivers/infiniband/hw/hfi1/mmu_rb.h
index f04cec1e99d1..423aacc67e94 100644
--- a/drivers/infiniband/hw/hfi1/mmu_rb.h
+++ b/drivers/infiniband/hw/hfi1/mmu_rb.h
@@ -1,4 +1,5 @@
/*
+ * Copyright(c) 2020 Cornelis Networks, Inc.
* Copyright(c) 2016 Intel Corporation.
*
* This file is provided under a dual BSD/GPLv2 license. When using or
@@ -54,6 +55,7 @@ struct mmu_rb_node {
unsigned long len;
unsigned long __last;
struct rb_node node;
+ struct mmu_rb_handler *handler;
struct list_head list;
};
@@ -71,7 +73,19 @@ struct mmu_rb_ops {
void *evict_arg, bool *stop);
};
-int hfi1_mmu_rb_register(void *ops_arg, struct mm_struct *mm,
+struct mmu_rb_handler {
+ struct mmu_notifier mn;
+ struct rb_root_cached root;
+ void *ops_arg;
+ spinlock_t lock; /* protect the RB tree */
+ struct mmu_rb_ops *ops;
+ struct list_head lru_list;
+ struct work_struct del_work;
+ struct list_head del_list;
+ struct workqueue_struct *wq;
+};
+
+int hfi1_mmu_rb_register(void *ops_arg,
struct mmu_rb_ops *ops,
struct workqueue_struct *wq,
struct mmu_rb_handler **handler);