From: Steve Wise <swise-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>
To: Or Gerlitz <ogerlitz-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>,
Yishai Hadas <yishaih-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>,
roland-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
jackm-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org,
Jack Morgenstein
<jackm-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Shachar Raindel <raindel-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>,
Haggai Eran <haggaie-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
Subject: Re: [PATCH V1 for-next 2/2] IB/mlx4_ib: Disassociate support
Date: Tue, 18 Nov 2014 10:48:07 -0600 [thread overview]
Message-ID: <546B7847.2040406@opengridcomputing.com> (raw)
In-Reply-To: <546B5AE3.9060606-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
On 11/18/2014 8:42 AM, Or Gerlitz wrote:
> On 11/18/2014 2:11 PM, Yishai Hadas wrote:
>> Implements the IB core disassociate_ucontext API. The driver detaches
>> the HW
>> resources for a given user context to prevent a dependency between
>> application
>> termination and device disconnecting. This is done by managing the
>> VMAs that
>> were mapped to the HW bars such as door bell and blueflame. When need
>> to detach
>> remap them to an arbitrary kernel page returned by the zap API.
>>
>>
>
> Guys,
>
> Can we somehow make this patch generic (e.g land in the IB core) such
> that it can apply also for mlx5 (and other HW drivers...) basically,
> the HW driver should tell the IB core which pages to zap and we should
> be OK, isn't that?
>
I agree. cxgb* will want to support this also.
--
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next prev parent reply other threads:[~2014-11-18 16:48 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-18 12:11 [PATCH V1 for-next 0/2] HW Device hot-removal support Yishai Hadas
[not found] ` <1416312682-7899-1-git-send-email-yishaih-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2014-11-18 12:11 ` [PATCH V1 for-next 1/2] IB/uverbs: Enable device removal when there are active user space applications Yishai Hadas
[not found] ` <1416312682-7899-2-git-send-email-yishaih-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2014-11-18 14:38 ` Or Gerlitz
[not found] ` <546B59E2.2050707-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2014-11-18 16:24 ` Yishai Hadas
[not found] ` <546B72A1.2080403-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2014-11-18 21:42 ` Or Gerlitz
[not found] ` <CAJ3xEMh5f-qZuYQ30frjUa0ETNxexh2igguxxRm-pVtERCwn-Q-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-11-19 8:05 ` Or Gerlitz
2014-11-18 14:40 ` Or Gerlitz
2014-11-19 14:49 ` Or Gerlitz
[not found] ` <546CADEF.6070905-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2014-11-20 7:52 ` Yishai Hadas
[not found] ` <546D9DB2.8050900-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2014-11-20 11:21 ` Or Gerlitz
2014-11-20 11:21 ` Or Gerlitz
2014-11-18 12:11 ` [PATCH V1 for-next 2/2] IB/mlx4_ib: Disassociate support Yishai Hadas
[not found] ` <1416312682-7899-3-git-send-email-yishaih-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2014-11-18 14:42 ` Or Gerlitz
[not found] ` <546B5AE3.9060606-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2014-11-18 16:48 ` Steve Wise [this message]
2014-11-18 17:14 ` Yishai Hadas
[not found] ` <546B7E73.40008-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2014-11-18 21:50 ` Or Gerlitz
[not found] ` <CAJ3xEMjzZdf_aML2e+ht=cbYx3T9U7Lr7DOR6+JenEKTcxQ+Zw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-11-19 12:15 ` Yishai Hadas
[not found] ` <546C89E6.1000204-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2014-11-19 14:45 ` Or Gerlitz
2014-11-18 14:43 ` [PATCH V1 for-next 0/2] HW Device hot-removal support Or Gerlitz
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