| Message ID | 20190523102256.29168-5-ard.biesheuvel@arm.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | arm64: wire up VM_FLUSH_RESET_PERMS | expand |
diff --git a/arch/arm64/net/bpf_jit_comp.c b/arch/arm64/net/bpf_jit_comp.c index df845cee438e..aef4ff467222 100644 --- a/arch/arm64/net/bpf_jit_comp.c +++ b/arch/arm64/net/bpf_jit_comp.c @@ -981,7 +981,7 @@ void *bpf_jit_alloc_exec(unsigned long size) { return __vmalloc_node_range(size, PAGE_SIZE, BPF_JIT_REGION_START, BPF_JIT_REGION_END, GFP_KERNEL, - PAGE_KERNEL_EXEC, 0, NUMA_NO_NODE, + PAGE_KERNEL, 0, NUMA_NO_NODE, __builtin_return_address(0)); }
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. Signed-off-by: Ard Biesheuvel <ard.biesheuvel@arm.com> --- arch/arm64/net/bpf_jit_comp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)