linux-kernel - Re: [PATCH v16 05/12] KEYS: Move KEY_LOOKUP_ to include/linux/key.h and define KEY_LOOKUP

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Date:   Tue, 6 Sep 2022 13:37:23 +0300
From:   Jarkko Sakkinen <jarkko@...nel.org>
To:     Roberto Sassu <roberto.sassu@...weicloud.com>
Cc:     ast@...nel.org, daniel@...earbox.net, andrii@...nel.org,
        martin.lau@...ux.dev, song@...nel.org, yhs@...com,
        john.fastabend@...il.com, kpsingh@...nel.org, sdf@...gle.com,
        haoluo@...gle.com, jolsa@...nel.org, mykolal@...com,
        dhowells@...hat.com, rostedt@...dmis.org, mingo@...hat.com,
        paul@...l-moore.com, jmorris@...ei.org, serge@...lyn.com,
        shuah@...nel.org, bpf@...r.kernel.org, keyrings@...r.kernel.org,
        linux-security-module@...r.kernel.org,
        linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org,
        deso@...teo.net, memxor@...il.com,
        Roberto Sassu <roberto.sassu@...wei.com>
Subject: Re: [PATCH v16 05/12] KEYS: Move KEY_LOOKUP_ to include/linux/key.h
 and define KEY_LOOKUP_ALL

On Tue, Sep 06, 2022 at 09:08:23AM +0200, Roberto Sassu wrote:
> On Tue, 2022-09-06 at 00:38 +0300, Jarkko Sakkinen wrote:
> > On Mon, Sep 05, 2022 at 04:33:11PM +0200, Roberto Sassu wrote:
> > > From: Roberto Sassu <roberto.sassu@...wei.com>
> > > 
> > > In preparation for the patch that introduces the
> > > bpf_lookup_user_key() eBPF
> > > kfunc, move KEY_LOOKUP_ definitions to include/linux/key.h, to be
> > > able to
> > > validate the kfunc parameters. Add them to enum key_lookup_flag, so
> > > that
> > > all the current ones and the ones defined in the future are
> > > automatically
> > > exported through BTF and available to eBPF programs.
> > > 
> > > Also, add KEY_LOOKUP_ALL to the enum, to facilitate checking
> > > whether a
> > > variable contains only defined flags.
> > > 
> > > Signed-off-by: Roberto Sassu <roberto.sassu@...wei.com>
> > > Reviewed-by: KP Singh <kpsingh@...nel.org>
> > > Acked-by: Jarkko Sakkinen <jarkko@...nel.org>
> > 
> > You should remove ack if there is any substantial change.
> 
> Yes, sorry. I thought you were fine with the change due to:
> 
> https://lore.kernel.org/bpf/YxF4H9MTDj+PnJ+V@kernel.org/

It was the documentation part, not really the enum change.

BR, Jarkko