[lkml]   [2005]   [Dec]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH 1/19] MUTEX: Introduce simple mutex implementation
David Howells wrote:
> The attached patch introduces a simple mutex implementation as an alternative
> to the usual semaphore implementation where simple mutex functionality is all
> that is required.
> This is useful in two ways:
> (1) A number of archs only provide very simple atomic instructions (such as
> XCHG on i386, TAS on M68K, SWAP on FRV) which aren't sufficient to
> implement full semaphore support directly. Instead spinlocks must be
> employed to implement fuller functionality.

We have atomic_cmpxchg. Can you use that for a sufficient generic

SUSE Labs, Novell Inc.

Send instant messages to your online friends

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: 2005-12-13 01:16    [W:0.288 / U:1.188 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site