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From: Jiri Olsa <olsajiri@gmail.com>
To: Dmitry Dolgov <9erthalion6@gmail.com>
Cc: Jiri Olsa <olsajiri@gmail.com>,
	bpf@vger.kernel.org, ast@kernel.org, daniel@iogearbox.net,
	andrii@kernel.org, martin.lau@linux.dev, song@kernel.org,
	yonghong.song@linux.dev, dan.carpenter@linaro.org,
	asavkov@redhat.com
Subject: Re: [PATCH bpf-next v8 1/4] bpf: Relax tracing prog recursive attach rules
Date: Fri, 15 Dec 2023 22:25:44 +0100	[thread overview]
Message-ID: <ZXzEWIDDKPmYRz06@krava> (raw)
In-Reply-To: <20231215163621.np4kmz324opmopb6@erthalion.local>

On Fri, Dec 15, 2023 at 05:36:21PM +0100, Dmitry Dolgov wrote:
> > On Fri, Dec 15, 2023 at 03:48:15PM +0100, Jiri Olsa wrote:
> > > +	/* Bookkeeping for managing the prog attachment chain */
> > > +	if (tgt_prog &&
> > > +		prog->type == BPF_PROG_TYPE_TRACING &&
> > > +		tgt_prog->type == BPF_PROG_TYPE_TRACING)
> > > +			prog->aux->attach_tracing_prog = true;
> >
> > hi,
> > this still looks bad, I think it should be:
> >
> > +	if (tgt_prog &&
> > +	    prog->type == BPF_PROG_TYPE_TRACING &&
> > +	    tgt_prog->type == BPF_PROG_TYPE_TRACING)
> > +		prog->aux->attach_tracing_prog = true;
> >
> > other than that the patchset looks good to me
> 
> Never thought I would have so many troubles with code formatting :) To
> make sure I got it right this time, this is how it should be (with
> explicit vim-style tabs and spaces, last tab for "if" predicates is
> expanded with spaces), right?

right

> 
> +^Iif (tgt_prog &&
> +^I    prog->type == BPF_PROG_TYPE_TRACING &&
> +^I    tgt_prog->type == BPF_PROG_TYPE_TRACING)
> +^I^Iprog->aux->attach_tracing_prog = true;

yep ;-)

> 
> Thanks for the review and patience.

thanks,
jirka

  reply	other threads:[~2023-12-15 21:25 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-12-12 19:54 [PATCH bpf-next v8 0/4] Relax tracing prog recursive attach rules Dmitrii Dolgov
2023-12-12 19:54 ` [PATCH bpf-next v8 1/4] bpf: " Dmitrii Dolgov
2023-12-15 14:48   ` Jiri Olsa
2023-12-15 16:36     ` Dmitry Dolgov
2023-12-15 21:25       ` Jiri Olsa [this message]
2023-12-12 19:54 ` [PATCH bpf-next v8 2/4] selftests/bpf: Add test for recursive attachment of tracing progs Dmitrii Dolgov
2023-12-12 19:54 ` [PATCH bpf-next v8 3/4] bpf: Fix re-attachment branch in bpf_tracing_prog_attach Dmitrii Dolgov
2023-12-12 19:54 ` [PATCH bpf-next v8 4/4] selftests/bpf: Test re-attachment fix for bpf_tracing_prog_attach Dmitrii Dolgov

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