lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  PHC 
Open Source and information security mailing list archives
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:	Sun, 26 May 2013 15:59:42 -0700
From:	Linus Torvalds <>
To:	Davidlohr Bueso <>
Cc:	Manfred Spraul <>,
	Rik van Riel <>,
	LKML <>,
	Andrew Morton <>,
	Hai Huang <>
Subject: Re: [PATCH 0/4] ipc/sem.c: Bug fixes, regression fixes, v3

On Sun, May 26, 2013 at 1:50 PM, Davidlohr Bueso <> wrote:
> In lack of getting my swingbench DSS environment back, I ran these
> changes against the semop-multi program on my laptop. For 256 threads,
> with Manfred's patchset the ops/sec suffers around -7.3%.

Hmm. That test program only tests simple ops, right? So the slowdown
comes from either the code simply being that much slower due to extra
complexity, or from the fair wakeups..

Anyway, I applied 1/4, we can continue to discuss the rest.

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

Powered by blists - more mailing lists