linux-kernel - Re: [GIT PULL] please pull infiniband.git

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CAPM=9tx+Zau+2EhVouEAM0XKxKhgOpEHSUgWhBuWDC8vA7wvig@mail.gmail.com>
Date:	Mon, 3 Nov 2014 06:06:45 +1000
From:	Dave Airlie <airlied@...il.com>
To:	Roland Dreier <roland@...nel.org>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-rdma@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [GIT PULL] please pull infiniband.git

On 17 October 2014 08:52, Roland Dreier <roland@...nel.org> wrote:
> Hi Linus,
>
> Please pull from
>
>     git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband.git tags/rdma-for-linus
>
> ----------------------------------------------------------------
> Main set of InfiniBand/RDMA updates for 3.18 merge window:
>
>  - Large set of iSER initiator improvements
>  - Hardware driver fixes for cxgb4, mlx5 and ocrdma
>  - Small fixes to core midlayer
>

building on 32-bit x86.

 CC [M]  drivers/infiniband/ulp/iser/iser_verbs.o
/home/airlied/devel/kernel/linux-2.6/drivers/infiniband/ulp/iser/iser_verbs.c:
In function ‘iser_handle_comp_error’:
/home/airlied/devel/kernel/linux-2.6/drivers/infiniband/ulp/iser/iser_verbs.c:1171:33:
warning: cast to pointer from integer of different size
[-Wint-to-pointer-cast]
  if (is_iser_tx_desc(iser_conn, (void *)wc->wr_id)) {
                                 ^
/home/airlied/devel/kernel/linux-2.6/drivers/infiniband/ulp/iser/iser_verbs.c:1172:31:
warning: cast to pointer from integer of different size
[-Wint-to-pointer-cast]
   struct iser_tx_desc *desc = (struct iser_tx_desc *)wc->wr_id;
                               ^
/home/airlied/devel/kernel/linux-2.6/drivers/infiniband/ulp/iser/iser_verbs.c:
In function ‘iser_handle_wc’:
/home/airlied/devel/kernel/linux-2.6/drivers/infiniband/ulp/iser/iser_verbs.c:1198:14:
warning: cast to pointer from integer of different size
[-Wint-to-pointer-cast]
    rx_desc = (struct iser_rx_desc *)wc->wr_id;
              ^
/home/airlied/devel/kernel/linux-2.6/drivers/infiniband/ulp/iser/iser_verbs.c:1203:14:
warning: cast to pointer from integer of different size
[-Wint-to-pointer-cast]
    tx_desc = (struct iser_tx_desc *)wc->wr_id;
              ^

Not sure anyone would ever want to run this code on 32-bit boxes, but
I'm a bit worried if wr_id is a 64-bit value, and we encode it into a
32-bit pointer, you'd always lose the top 32-bits.

Dave.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/