[lkml]   [2005]   [Jan]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: 2.6.11-rc1-mm1

Christoph Hellwig wrote:
> the lockless mode is really just loops around cmpxchg. It's spinlocks
> reinvented poorly.

I beg to differ. You have to use different spinlocks depending on
where you are:
- serving user-space
- bh-derivatives
- irq

lockless is the same primitive regardless of your current state,
it's not the same as spinlocks.

Author, Speaker, Developer, Consultant
Pushing Embedded and Real-Time Linux Systems Beyond the Limits || || 1-866-677-4546
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

 \ /
  Last update: 2005-03-22 14:09    [W:0.093 / U:1.644 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site