diff options
Diffstat (limited to 'drivers/misc')
| -rw-r--r-- | drivers/misc/cxl/context.c | 15 | ||||
| -rw-r--r-- | drivers/misc/cxl/cxl.h | 2 |
2 files changed, 12 insertions, 5 deletions
diff --git a/drivers/misc/cxl/context.c b/drivers/misc/cxl/context.c index d1b55fe62817..78ce990d77ca 100644 --- a/drivers/misc/cxl/context.c +++ b/drivers/misc/cxl/context.c @@ -232,12 +232,9 @@ void cxl_context_detach_all(struct cxl_afu *afu) mutex_unlock(&afu->contexts_lock); } -void cxl_context_free(struct cxl_context *ctx) +static void reclaim_ctx(struct rcu_head *rcu) { - mutex_lock(&ctx->afu->contexts_lock); - idr_remove(&ctx->afu->contexts_idr, ctx->pe); - mutex_unlock(&ctx->afu->contexts_lock); - synchronize_rcu(); + struct cxl_context *ctx = container_of(rcu, struct cxl_context, rcu); free_page((u64)ctx->sstp); ctx->sstp = NULL; @@ -245,3 +242,11 @@ void cxl_context_free(struct cxl_context *ctx) put_pid(ctx->pid); kfree(ctx); } + +void cxl_context_free(struct cxl_context *ctx) +{ + mutex_lock(&ctx->afu->contexts_lock); + idr_remove(&ctx->afu->contexts_idr, ctx->pe); + mutex_unlock(&ctx->afu->contexts_lock); + call_rcu(&ctx->rcu, reclaim_ctx); +} diff --git a/drivers/misc/cxl/cxl.h b/drivers/misc/cxl/cxl.h index cfee819bf5d4..b361b48d1b01 100644 --- a/drivers/misc/cxl/cxl.h +++ b/drivers/misc/cxl/cxl.h @@ -457,6 +457,8 @@ struct cxl_context { bool pending_irq; bool pending_fault; bool pending_afu_err; + + struct rcu_head rcu; }; struct cxl { |