From: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
To: Dan Carpenter <dan.carpenter@oracle.com>
Cc: "Július Milan" <julikmilan@gmail.com>,
"kbuild test robot" <lkp@intel.com>,
linux-kernel@vger.kernel.org, devel@driverdev.osuosl.org,
gregkh@linuxfoundation.org, ajay.kathat@microchip.com,
linux-wireless@vger.kernel.org, adham.abozaeid@microchip.com
Subject: Re: [PATCH] staging: wilc1000: fix cast to restricted __le32
Date: Mon, 7 Jan 2019 14:23:23 +0100 [thread overview]
Message-ID: <20190107132322.sk3lcvafg65fdd7b@ltop.local> (raw)
In-Reply-To: <20190107125437.GA3200@kadam>
On Mon, Jan 07, 2019 at 03:54:37PM +0300, Dan Carpenter wrote:
> I'm sort of surprised that the zero day bot didn't complain about this.
> It probably should.
>
> The endianness checking is not turned on by default in Sparse. You have
> to do "make C=1 CF=-D__CHECK_ENDIAN__" to turn it on.
Bitwise (and thus endian) checking is enabled by default in the kernel
since 05de97003 ("linux/types.h: enable endian checks for all sparse builds")
included in v4.10-rc1. Since then they make more than half of sparse
warnings (in a x86-64 allyesconfig).
Best regards,
-- Luc
next prev parent reply other threads:[~2019-01-07 13:23 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-05 8:23 Július Milan
[not found] ` <CAP=P++A1LritztQ1=fHOE7XXJN_0TvNHEjh7tVrpDj1kYFrNTQ@mail.gmail.com>
2019-01-05 8:52 ` Greg KH
2019-01-07 12:54 ` Dan Carpenter
2019-01-07 13:23 ` Luc Van Oostenryck [this message]
2019-01-05 8:32 Július Milan
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