Re: ipc,sem: sysv semaphore scalability

From: Rik van Riel
Date: Mon Mar 25 2013 - 10:02:08 EST


On 03/25/2013 09:47 AM, Emmanuel Benisty wrote:
On Mon, Mar 25, 2013 at 12:10 AM, Linus Torvalds
<torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:
And you never see this problem without Rik's patches?

No, never.

Could you bisect
*which* patch it starts with? Are the first four ones ok (the moving
of the locking around, but without the fine-grained ones), for
example?

With the first four patches only, I got some X server freeze (just tried once).

Another random question, just to rule something out. What video driver
are you using on your system?

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