Linux still doesn't actually implement IBT for userland. And by the pace
authorkettenis <kettenis@openbsd.org>
Tue, 27 Feb 2024 15:34:28 +0000 (15:34 +0000)
committerkettenis <kettenis@openbsd.org>
Tue, 27 Feb 2024 15:34:28 +0000 (15:34 +0000)
commit94b3843fdd6fbe93c7ca4c27f6f43b9379a31743
treee9c2dce90b7ccb9fdfea7a3129f9dc0686cc4413
parent2e312c038448f052b3693995aa570c3d2e0ede68
Linux still doesn't actually implement IBT for userland.  And by the pace
things are going, it will take another decade before it does.  But OpenBSD
has it enabled *by default* already.

Drop the #ifdef __linux__.  This should hurt other OSes when they finally
catch up with us.

ok robert@, tb@
gnu/llvm/libunwind/src/assembly.h