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SubjectRe: [PATCH net-next 1/2] net: filter: split filter.c into two files
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On Thu, Jul 24, 2014 at 4:45 PM,  <Valdis.Kletnieks@vt.edu> wrote:
> On Tue, 22 Jul 2014 23:01:58 -0700, Alexei Starovoitov said:
>> BPF is used in several kernel components. This split creates logical boundary
>> between generic eBPF core and the rest
>>
>> kernel/bpf/core.c: eBPF interpreter
>>
>> net/core/filter.c: classic->eBPF converter, classic verifiers, socket filters
>>
>> This patch only moves functions.
>>
>> Signed-off-by: Alexei Starovoitov <ast@plumgrid.com>
>> ---
>> kernel/Makefile | 1 +
>> kernel/bpf/Makefile | 1 +
>> kernel/bpf/core.c | 536 +++++++++++++++++++++++++++++++++++++++++++++++++
> ++
>> net/core/filter.c | 511 ------------------------------------------------
>> 4 files changed, 538 insertions(+), 511 deletions(-)
>> create mode 100644 kernel/bpf/Makefile
>> create mode 100644 kernel/bpf/core.c
>>
>> diff --git a/kernel/Makefile b/kernel/Makefile
>> index f2a8b6246ce9..e7360b7c2c0e 100644
>> --- a/kernel/Makefile
>> +++ b/kernel/Makefile
>> @@ -87,6 +87,7 @@ obj-$(CONFIG_RING_BUFFER) += trace/
>> obj-$(CONFIG_TRACEPOINTS) += trace/
>> obj-$(CONFIG_IRQ_WORK) += irq_work.o
>> obj-$(CONFIG_CPU_PM) += cpu_pm.o
>> +obj-$(CONFIG_NET) += bpf/
>
> I was expecting to see CONFIG_NETFILTER here. Is CONFIG_NET intentional?

yes. it is config_net for now, until eBPF is completely separate from net.
Then it will gain its own config_bpf, so it can be used in net-less setups
or disabled in net-full setups by folks who care about last byte of .text size.
Future will tell.


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