Sean Keely b93ffafdc7 Pull from github (tstellar):
Prefer using memfd_create() for the ring buffer.

We were using /dev/shm, but this won't work on systems that
either don't have /dev/shm or have mounted it with noexec, because
for everything other than gfx700 we map the ring buffer with PROT_EXEC.

memfd_create() is Linux specific and was added in Linux 3.17, so we
will fallback to using /dev/shm on systems where memfd_create() is
not available.

Change-Id: I58fb533eebc362f6d29dc3e316a80801014d50e8
2017-11-28 20:47:12 -05:00
2017-11-08 10:02:51 -05:00
2017-11-28 20:47:12 -05:00
2017-08-28 12:57:11 -05:00
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