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(parent: f83b4f8) | patch
arm64: bpf: do not allocate executable memory
authorArd Biesheuvel <ard.biesheuvel@arm.com>
Thu, 23 May 2019 10:22:56 +0000 (11:22 +0100)
committerCatalin Marinas <catalin.marinas@arm.com>
Mon, 24 Jun 2019 17:10:39 +0000 (18:10 +0100)
commit3f750706486227f32991092fe57c25e1290691d5
tree5a72f5b162d30df760052975423bd62dd8e04d2ftree | snapshot
parentf83b4f8860046e0f5244eef35b25fc3e405d7feecommit | diff
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>
arch/arm64/net/bpf_jit_comp.c diff | blob | history
John Crispins staging tree