Date: Thu, 26 Sep 2019 04:13:34 +0200 From: Jan Beich <jbeich@FreeBSD.org> To: Kyle Evans <kevans@freebsd.org> Cc: x11@freebsd.org Subject: Re: HEADS UP: memfd_create landed in head Message-ID: <d0fn-yfch-wny@FreeBSD.org> In-Reply-To: <CACNAnaFwiXHtC3kA9T4qnDq1dbr4WbOOUC_rS7UsNjt-m9C-uw@mail.gmail.com> (Kyle Evans's message of "Wed, 25 Sep 2019 20:19:51 -0500") References: <CACNAnaFwiXHtC3kA9T4qnDq1dbr4WbOOUC_rS7UsNjt-m9C-uw@mail.gmail.com>
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Kyle Evans <kevans@freebsd.org> writes: > Hi, > > Just a heads up- memfd_create(3) landed in head today > (__FreeBSD_version 1300048); at least graphics/mesa-dri has relevant > patches, and I seem to recall others. My test builds didn't seem to > raise any problems, and the patches are all to !HAVE_MEMFD_CREATE > blocks. autoconf should be doing the right thing here and picking up > that it exists now. Nice! Firefox 70 dropped SHM_ANON to open the same segment as O_RDONLY memfd_create would help restoring the optimization. https://bugzilla.mozilla.org/show_bug.cgi?id=1550891 https://searchfox.org/mozilla-central/rev/f43ae7e1c43a/ipc/chromium/src/base/shared_memory_posix.cc#224-238
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