Re: ipc,sem: sysv semaphore scalability

[Rik van Riel]

On 03/26/2013 01:59 PM, Davidlohr Bueso wrote:

> From: Davidlohr Bueso <davidlohr.bueso@xxxxxx>
> Subject: [PATCH] ipc, sem: prevent possible deadlock
>
> In semctl_main(), when cmd == GETALL, we're locking
> sma->sem_perm.lock (through sem_lock_and_putref), yet
> after the conditional, we lock it again.
> Unlock sma right after exiting the conditional.
>
> Signed-off-by: Davidlohr Bueso <davidlohr.bueso@xxxxxx>

Reviewed-by: Rik van Riel <riel@xxxxxxxxxx>

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