On Fri, May 10, 2019 at 09:38:08AM +0000, Chris Packham wrote:
> On 10/05/19 8:57 PM, Willy Tarreau wrote:
> > On Thu, May 09, 2019 at 05:07:40PM +1200, Chris Packham wrote:
> >> __ha_cas_dw() is used in fd_rm_from_fd_list() and when built without
> >> USE_THREADS=1 the linker fails to find __ha_cas_dw(). Add a definition
> >> of __ha_cas_dw() for the #ifndef USE_THREADS case.
> > 
> > Just found your patch, I think it's indeed OK to fall back to
> > HA_ATOMIC_CAS in this case since we won't use atomic instructions.
> > I'd like that we do a bit of tidying in this area so that it's
> > clearer which functions are always atomic and which ones possibly
> > are not, but for now that's OK. I've merged it now.
> Actually I think there's an additional change needed in my patch. By 
> passing the parameters to HA_ATOMIC_CAS we end up attempting to 
> dereference a void *. So this should needs to cast to a proper type. For 
> what it's worth I'll send a v2 that does this.

OK, but since it's already merged, please send an incremental patch.


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