All of lore.kernel.org
 help / color / mirror / Atom feed
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.

--
To unsubscribe from this list: send the line "unsubscribe linux-rdma" in
the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

  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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=546B7847.2040406@opengridcomputing.com \
    --to=swise-7bpotxp6k4+p2yhjcf5u+vpxobypeauw@public.gmane.org \
    --cc=haggaie-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org \
    --cc=jackm-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org \
    --cc=jackm-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org \
    --cc=linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
    --cc=ogerlitz-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org \
    --cc=raindel-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org \
    --cc=roland-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org \
    --cc=yishaih-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.