Re: [ 146/184] softirq: reduce latencies

2013-11-16 Thread Willy Tarreau
Hi Li, I just found your mail unread in my box by pure luck, I'm sorry. On Fri, Aug 02, 2013 at 04:14:13PM +0800, Li Zefan wrote: Cc: Ben Greear Cc: Tejun Hi Willy, This patch introduced a bug, which was then fixed by commit 34376a50fb1f (Fix lockup related to stop_machine being stuck

Re: [ 146/184] softirq: reduce latencies

2013-08-02 Thread Li Zefan
Cc: Ben Greear Cc: Tejun Hi Willy, This patch introduced a bug, which was then fixed by commit 34376a50fb1f (Fix lockup related to stop_machine being stuck in __do_softirq.), do we need this fix for 2.6.32 ? On 2013/6/5 1:23, Willy Tarreau wrote: 2.6.32-longterm review patch. If anyone has

[ 146/184] softirq: reduce latencies

2013-06-04 Thread Willy Tarreau
2.6.32-longterm review patch. If anyone has any objections, please let me know. -- From: Eric Dumazet eduma...@google.com In various network workloads, __do_softirq() latencies can be up to 20 ms if HZ=1000, and 200 ms if HZ=100. This is because we iterate 10 times in the