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Re: [PATCH 02/12] IB/ehca: Add 1 is not longer needed because of firmware interface change

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From: Roland Dreier <rdreier@...>
To: Joachim Fenkes <fenkes@...>
Cc: LinuxPPC-Dev <linuxppc-dev@...>, LKML <linux-kernel@...>, OF-General <general@...>, Roland Dreier <rolandd@...>, OF-EWG <ewg@...>, Hoang-Nam Nguyen <hnguyen@...>, Christoph Raisch <raisch@...>, Stefan Roscher <stefan.roscher@...>
Subject: Re: [PATCH 02/12] IB/ehca: Add 1 is not longer needed because of firmware interface change
Date: Wednesday, September 12, 2007 - 4:21 pm

What happens if someone runs the new driver with older firmware?  Or
what if someone upgrades the firmware without updating the driver?

 - R.
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[PATCH 00/12] IB/ehca: New features and fixes for 2.6.24, Joachim Fenkes, (Tue Sep 11, 9:18 am)
[PATCH 12/12] IB/ehca: Bump version number and change its fo..., Joachim Fenkes, (Tue Sep 11, 9:35 am)
[PATCH 11/12] IB/ehca: Serialize MR alloc and MR free hvCalls, Joachim Fenkes, (Tue Sep 11, 9:34 am)
[PATCH 08/12] IB/ehca: Replace get_paca()-&gt;paca_index by ..., Joachim Fenkes, (Tue Sep 11, 9:33 am)
[PATCH 10/12] IB/ehca: Path migration support, Joachim Fenkes, (Tue Sep 11, 9:34 am)
[PATCH 08/12] IB/ehca: Replace get_paca()-&gt;paca_index by ..., Joachim Fenkes, (Wed Sep 12, 10:44 am)
Re: [PATCH 08/12] IB/ehca: Replace get_paca()-&gt;paca_index..., Nathan Lynch, (Tue Sep 11, 10:51 am)
Re: [PATCH 08/12] IB/ehca: Replace get_paca()-&gt;paca_index..., Joachim Fenkes, (Wed Sep 12, 10:42 am)
[PATCH 09/12] IB/ehca: Add check for max #SGE to create_qp(), Joachim Fenkes, (Tue Sep 11, 9:33 am)
[PATCH 07/12] IB/ehca: ehca_gen_warn() should always print, Joachim Fenkes, (Tue Sep 11, 9:32 am)
[PATCH 06/12] IB/ehca: Print return codes as signed decimal ..., Joachim Fenkes, (Tue Sep 11, 9:32 am)
[PATCH 05/12] IB/ehca: Refactor hvcall tracing, Joachim Fenkes, (Tue Sep 11, 9:31 am)
[PATCH 03/12] IB/ehca: Support more than 4k QPs for userspac..., Joachim Fenkes, (Tue Sep 11, 9:29 am)
[PATCH 04/12] IB/ehca: Use remap_4k_pfn() to map firmware co..., Joachim Fenkes, (Tue Sep 11, 9:31 am)
[PATCH 02/12] IB/ehca: Add 1 is not longer needed because of..., Joachim Fenkes, (Tue Sep 11, 9:29 am)
Re: [PATCH 02/12] IB/ehca: Add 1 is not longer needed becaus..., Roland Dreier, (Wed Sep 12, 4:21 pm)
Re: [PATCH 02/12] IB/ehca: Add 1 is not longer needed becaus..., Joachim Fenkes, (Fri Sep 14, 9:48 am)
Re: [PATCH 02/12] IB/ehca: Add 1 is not longer needed becaus..., Roland Dreier, (Fri Sep 14, 12:05 pm)
[PATCH 01/12] IB/ehca: Small QP userspace support, Joachim Fenkes, (Tue Sep 11, 9:26 am)