Re: [RFC PATCH] seqlock: add lockdep support

2013-09-18 Thread Lin Ming
On Wed, 2013-09-18 at 11:15 +0200, Peter Zijlstra wrote: > On Wed, Sep 18, 2013 at 02:57:13PM +0800, Lin Ming wrote: > > Hi, > > > > lockdep support for seqlock was discussed at: > > http://marc.info/?l=linux-kernel&m=137875860600648&w=2 > > > > This is very draft patch to add lockdep support for

Re: [RFC PATCH] seqlock: add lockdep support

2013-09-18 Thread Peter Zijlstra
On Wed, Sep 18, 2013 at 02:57:13PM +0800, Lin Ming wrote: > Hi, > > lockdep support for seqlock was discussed at: > http://marc.info/?l=linux-kernel&m=137875860600648&w=2 > > This is very draft patch to add lockdep support for seqlock. > Actually, it doesn't work yet. I throw it out to get commen

[RFC PATCH] seqlock: add lockdep support

2013-09-18 Thread Lin Ming
Hi, lockdep support for seqlock was discussed at: http://marc.info/?l=linux-kernel&m=137875860600648&w=2 This is very draft patch to add lockdep support for seqlock. Actually, it doesn't work yet. I throw it out to get comments and help. TODO: - fix seqlock usage in vdso code I got below with t