Re: [PATCH 0/2] ipc/sem.c: Race in sem_lock()

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Hi Greg,

On 09/23/2013 11:28 PM, Greg KH wrote:
<formletter>

This is not the correct way to submit patches for inclusion in the
stable kernel tree.  Please read Documentation/stable_kernel_rules.txt
for how to do this properly.

</formletter>
Fixing stable will be interesting:
Starting with 3.10, changes were introduced that have improved the scalability by something like factor 100. (factor 100 for sysv sem for calls that do not sleep on a 8 socket, 64-way Intel system)

Unfortunately, we are still fixing bugs - and the changes are definitively not trivial.

Thus the next long-term kernel must either go backward to the 3.9 code or forward - hopefully all bugs will be fixed until the release of 3.12.

--
    Manfred
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