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Revert "SUNRPC: Micro-optimise when the task is known not to be sleeping"

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This reverts commit 009a82f643.

The ability to optimise here relies on compiler being able to optimise
away tail calls to avoid stack overflows. Unfortunately, we are seeing
reports of problems, so let's just revert.

Reported-by: Daniel Mack <daniel@zonque.org>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
This commit is contained in:
Trond Myklebust 2019-04-11 15:16:52 -04:00
parent 0769663b4f
commit af6b61d7ef
2 changed files with 8 additions and 45 deletions
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8
include/linux/sunrpc/sched.h
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@ -304,12 +304,4 @@ rpc_clnt_swap_deactivate(struct rpc_clnt *clnt)
}
#endif /* CONFIG_SUNRPC_SWAP */
static inline bool
rpc_task_need_resched(const struct rpc_task *task)
{
if (RPC_IS_QUEUED(task) || task->tk_callback)
return true;
return false;
}
#endif /* _LINUX_SUNRPC_SCHED_H_ */