From: Leon Romanovsky <leon@kernel.org>
To: Alex Elder <elder@linaro.org>
Cc: davem@davemloft.net, kuba@kernel.org, andrew@lunn.ch,
bjorn.andersson@linaro.org, evgreen@chromium.org,
cpratapa@codeaurora.org, subashab@codeaurora.org,
elder@kernel.org, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH net-next v2 0/2] net: ipa: fix validation
Date: Mon, 22 Mar 2021 16:16:02 +0200 [thread overview]
Message-ID: <YFimooGgT1pIRe/G@unreal> (raw)
In-Reply-To: <f1b719d3-c7f2-1815-9cfe-19ea23944cce@linaro.org>
On Mon, Mar 22, 2021 at 08:22:20AM -0500, Alex Elder wrote:
> On 3/20/21 9:17 AM, Alex Elder wrote:
> > There is sanity checking code in the IPA driver that's meant to be
> > enabled only during development. This allows the driver to make
> > certain assumptions, but not have to verify those assumptions are
> > true at (operational) runtime. This code is built conditional on
> > IPA_VALIDATION, set (if desired) inside the IPA makefile.
> >
> > Unfortunately, this validation code has some errors. First, there
> > are some mismatched arguments supplied to some dev_err() calls in
> > ipa_cmd_table_valid() and ipa_cmd_header_valid(), and these are
> > exposed if validation is enabled. Second, the tag that enables
> > this conditional code isn't used consistently (it's IPA_VALIDATE
> > in some spots and IPA_VALIDATION in others).
> >
> > This series fixes those two problems with the conditional validation
> > code.
>
> After much back-and-forth with Leon Romanovsky:
>
> --> I retract this series <--
>
> I will include these patches in a future series that will
> do cleanup of this validation code more completely.
Thanks a lot.
>
> Thanks.
>
> -Alex
>
> > Version 2 removes the two patches that introduced ipa_assert(). It
> > also modifies the description in the first patch so that it mentions
> > the changes made to ipa_cmd_table_valid().
> >
> > -Alex
> >
> > Alex Elder (2):
> > net: ipa: fix init header command validation
> > net: ipa: fix IPA validation
> >
> > drivers/net/ipa/Makefile | 2 +-
> > drivers/net/ipa/gsi_trans.c | 8 ++---
> > drivers/net/ipa/ipa_cmd.c | 54 ++++++++++++++++++++++------------
> > drivers/net/ipa/ipa_cmd.h | 6 ++--
> > drivers/net/ipa/ipa_endpoint.c | 6 ++--
> > drivers/net/ipa/ipa_main.c | 6 ++--
> > drivers/net/ipa/ipa_mem.c | 6 ++--
> > drivers/net/ipa/ipa_table.c | 6 ++--
> > drivers/net/ipa/ipa_table.h | 6 ++--
> > 9 files changed, 58 insertions(+), 42 deletions(-)
> >
>
prev parent reply other threads:[~2021-03-22 14:17 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-20 14:17 [PATCH net-next v2 0/2] net: ipa: fix validation Alex Elder
2021-03-20 14:17 ` [PATCH net-next v2 1/2] net: ipa: fix init header command validation Alex Elder
2021-03-20 14:17 ` [PATCH net-next v2 2/2] net: ipa: fix IPA validation Alex Elder
2021-03-21 8:21 ` Leon Romanovsky
2021-03-21 13:21 ` Alex Elder
2021-03-21 13:49 ` Leon Romanovsky
2021-03-21 17:19 ` Alex Elder
2021-03-22 6:40 ` Leon Romanovsky
2021-03-22 13:17 ` Alex Elder
2021-03-22 14:17 ` Leon Romanovsky
2021-03-22 15:06 ` Alex Elder
2021-03-22 22:56 ` Andrew Lunn
2021-03-23 0:03 ` Alex Elder
2021-03-22 13:22 ` [PATCH net-next v2 0/2] net: ipa: fix validation Alex Elder
2021-03-22 14:16 ` Leon Romanovsky [this message]
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