On Fri, Oct 16, 2015 at 11:57:40AM +0200, Landry Breuil wrote: > On Fri, Oct 16, 2015 at 10:43:53AM +0200, David Coppa wrote: > > On Sat, 13 Jun 2015, Ted Unangst wrote: > > > > > So I was supposed to be working on making the JIT engine conform to W^X a > > > few > > > months ago. It took a bit longer than expected, but I had a mostly working > > > patch. Then I disappeared from OpenBSD for a bit and took my patch with > > > me. > > > Last week I was just starting to feed that patch upstream to firefox, > > > when I > > > found out about another developer who had already done similar work. Sigh. > > > > > > The official firefox patch seems likely to ship in some future version, > > > which > > > is good news for everyone. It's quite similar to the patch I had (though > > > more > > > polished). To make it available sooner for OpenBSD, here's a backport to > > > the > > > Firefox in ports. > > > > > > I haven't been able to test this very much, as I'm still at BSDCan, but > > > when I > > > get back next week I hope to be able to devote more time to finalizing > > > this > > > patch. Posting now to let people know it's coming and to give a preview if > > > you're interested. > > > > Hi! > > > > The official patch is now in. > > > > I don't know why it's enabled exclusively for iOS (maybe because it's > > the only platform that has been thoroughly tested? Or because major > > linux distros are not yet ready), probably Landry can shed some light > > on this... > > > > Btw, my firefox-41.0.1 (rebuilt with the patch below) still hasn't > > exploded during my tests: routinary browsing, GMail, Google Maps, > > Twitter, etc... > > > > Comments? Opinions? > > Bring this upstream first :)
And for the rationale of having it only on iOS, see https://bugzilla.mozilla.org/show_bug.cgi?id=977805. From quickly skimming through comments there, apparently it conflicts with asm.js. Hence, discuss it upstream. Landry
