arm64: bpf: do not allocate executable memory

The BPF code now takes care of mapping the code pages executable
after mapping them read-only, to ensure that no RWX mapped regions
are needed, even transiently. This means we can drop the executable
permissions from the mapping at allocation time.

Acked-by: Will Deacon <will@kernel.org>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Ard Biesheuvel 2019-05-23 11:22:56 +01:00 • committed by Catalin Marinas
commit 3f75070648