Allow the restartable sequences system call used by glibc 2.35+.
This is an extension of commit 637402a827 ("Add rseq to the seccomp
policy file on aarch64."), which was originally reverted because the
ChromeOS kernel headers did not have the necessary declarations yet.
This depends on the rseq declarations patch to linux-headers:
https://chromium-review.googlesource.com/c/chromiumos/overlays/chromiumos-overlay/+/3749266/
BUG=b:235172163
BUG=b:235960683
TEST=Start crosvm on x86-64 Arch Linux with glibc 2.35
TEST=emerge-hatch crosvm # ensure seccomp policies compile
Reported-By: Peter Collingbourne <pcc@google.com>
Change-Id: I14e3dfd150a7c06bdafc68a88ef3f755eb7bf90c
Reviewed-on: https://chromium-review.googlesource.com/c/crosvm/crosvm/+/3763776
Reviewed-by: Dennis Kempin <denniskempin@google.com>
Commit-Queue: Daniel Verkamp <dverkamp@chromium.org>
Tested-by: Daniel Verkamp <dverkamp@chromium.org>
Reviewed-by: Peter Collingbourne <pcc@chromium.org>
Reviewed-by: Junichi Uekawa <uekawa@chromium.org>
17c782f1c1