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:	Thu, 30 Nov 2006 21:07:42 +1100
From:	Nick Piggin <>
To:	Evgeniy Polyakov <>
CC:	Ingo Molnar <>, David Miller <>,,,,
Subject: Re: [patch 1/4] - Potential performance bottleneck for Linxu TCP

Evgeniy Polyakov wrote:
> On Thu, Nov 30, 2006 at 08:35:04AM +0100, Ingo Molnar ( wrote:

> Doesn't the provided solution is just a in-kernel variant of the
> SCHED_FIFO set from userspace? Why kernel should be able to mark some
> users as having higher priority?
> What if workload of the system is targeted to not the maximum TCP
> performance, but maximum other-task performance, which will be broken
> with provided patch.

David's line of thinking for a solution sounds better to me. This patch
does not prevent the process from being preempted (for potentially a long
time), by any means.

SUSE Labs, Novell Inc.
Send instant messages to your online friends 
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to
More majordomo info at

Powered by blists - more mailing lists