From: Linus Torvalds <torvalds@linux-foundation.org>
To: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Cc: Sparse Mailing-list <linux-sparse@vger.kernel.org>
Subject: Re: [PATCH 13/13] flex-array: warn when a flexible array member has some padding
Date: Thu, 1 Oct 2020 12:27:56 -0700 [thread overview]
Message-ID: <CAHk-=wh7LNGQ5aDtJeRzkLPUewUjgoc3eiKF_Yh81kfU-XPHCw@mail.gmail.com> (raw)
In-Reply-To: <20201001191706.nefotol6m2oqrtcg@ltop.local>
On Thu, Oct 1, 2020 at 12:17 PM Luc Van Oostenryck
<luc.vanoostenryck@gmail.com> wrote:
>
> > So in the kernel, we would
> >
> > - start warning about 'sizeof(flex_struct)'
>
> Adding this warning by default annoys me slightly because it will
> add 5700+ warnings to the 18000 already present and I think sparse
> is already underused because it is very/too noisy. But I guess that
> most occurrences come from a few macros and thus should be easy to
> get rid off.
Hopefully. I'll try to take a look. Do you have the sparse changes in
a git branch already so that I can just try that directly?
Or if you send me a couple of examples, maybe it's just the same
pattern over and over,..
Linus
next prev parent reply other threads:[~2020-10-01 19:28 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-30 23:18 [PATCH 00/13] add warnings for flexible arrays Luc Van Oostenryck
2020-09-30 23:18 ` [PATCH 01/13] flex-array: add testcases Luc Van Oostenryck
2020-09-30 23:18 ` [PATCH 02/13] flex-array: factor out common part of lay_out_{struct,union}() Luc Van Oostenryck
2020-09-30 23:18 ` [PATCH 03/13] flex-array: do not lay out invalid struct members Luc Van Oostenryck
2020-09-30 23:18 ` [PATCH 04/13] flex-array: flexible array members have zero size and alignment is OK Luc Van Oostenryck
2020-09-30 23:18 ` [PATCH 05/13] flex-array: detect structures with a flexible array member Luc Van Oostenryck
2020-09-30 23:18 ` [PATCH 06/13] flex-array: warn on flexible arrays in unions Luc Van Oostenryck
2020-09-30 23:18 ` [PATCH 07/13] flex-array: warn if flexible array is not last Luc Van Oostenryck
2020-09-30 23:18 ` [PATCH 08/13] flex-array: identify structures with a flexible array member Luc Van Oostenryck
2020-09-30 23:18 ` [PATCH 09/13] flex-array: add helper has_flexible_array() Luc Van Oostenryck
2020-09-30 23:18 ` [PATCH 10/13] flex-array: warn when using sizeof() on a flexible array Luc Van Oostenryck
2020-09-30 23:18 ` [PATCH 11/13] flex-array: warn an arrays containing " Luc Van Oostenryck
2020-09-30 23:18 ` [PATCH 12/13] flex-array: warn on flexible array in nested aggregate types Luc Van Oostenryck
2020-09-30 23:18 ` [PATCH 13/13] flex-array: warn when a flexible array member has some padding Luc Van Oostenryck
2020-10-01 16:34 ` Linus Torvalds
2020-10-01 19:17 ` Luc Van Oostenryck
2020-10-01 19:27 ` Linus Torvalds [this message]
2020-10-01 19:41 ` Luc Van Oostenryck
2020-10-01 19:51 ` Luc Van Oostenryck
2020-10-01 16:36 ` [PATCH 00/13] add warnings for flexible arrays Linus Torvalds
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