From: Sagi Grimberg <sagig-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
To: Bart Van Assche <bvanassche-HInyCGIudOg@public.gmane.org>,
Sagi Grimberg <sagig-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>,
linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Cc: roland-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
eli-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org,
ogerlitz-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org,
oren-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org,
sean.hefty-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org
Subject: Re: [PATCH RFC 2/2] IB/mlx5: Implement Fast Indirect Memory Registration Feature
Date: Tue, 21 Oct 2014 13:59:18 +0300 [thread overview]
Message-ID: <54463C86.9010904@dev.mellanox.co.il> (raw)
In-Reply-To: <54463B4A.1070308-HInyCGIudOg@public.gmane.org>
On 10/21/2014 1:54 PM, Bart Van Assche wrote:
> On 10/21/14 11:32, Sagi Grimberg wrote:
>> Since you didn't give any comments on the API itself should I conclude
>> that you find it clear and you agree with it?
>
> Mostly. The only aspect of which I think that it is missing in the API
> is the alignment requirement for the addresses in
> ib_indir_reg_list.sg_list. Is byte alignment sufficient ?
Yes.
> If so, will
> all HCA vendors be able to support this or do we perhaps need to add a
> member in the device attributes structure that declares what the
> alignment requirements are ?
>
This feature is designed to remove any alignment constraints on memory
registration. I don't see any point in allowing the API to relax the
constraints instead.
Sagi.
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next prev parent reply other threads:[~2014-10-21 10:59 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-07 14:47 [PATCH RFC 0/2] Indirect Fast Memory registration support Sagi Grimberg
[not found] ` <1412693281-6161-1-git-send-email-sagig-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2014-10-07 14:48 ` [PATCH RFC 1/2] IB/core: Introduce Fast Indirect Memory Registration verbs API Sagi Grimberg
[not found] ` <1412693281-6161-2-git-send-email-sagig-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2014-10-07 18:12 ` Steve Wise
[not found] ` <54342D0C.6050103-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>
2014-10-08 5:48 ` Sagi Grimberg
[not found] ` <5434D037.4040208-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2014-10-08 13:54 ` Steve Wise
2014-10-13 7:57 ` Sagi Grimberg
[not found] ` <543B85F7.1060000-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2014-10-13 14:41 ` Steve Wise
2014-10-14 5:40 ` Bart Van Assche
[not found] ` <543CB76B.7020208-HInyCGIudOg@public.gmane.org>
2014-10-19 19:01 ` Sagi Grimberg
[not found] ` <54440A7E.200-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2014-10-20 14:54 ` Steve Wise
2014-10-07 14:48 ` [PATCH RFC 2/2] IB/mlx5: Implement Fast Indirect Memory Registration Feature Sagi Grimberg
[not found] ` <1412693281-6161-3-git-send-email-sagig-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2014-10-12 19:39 ` Or Gerlitz
[not found] ` <543AD8DE.5060404-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2014-10-13 8:32 ` Sagi Grimberg
[not found] ` <543B8E09.6090606-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2014-10-13 12:57 ` Or Gerlitz
2014-10-13 13:00 ` Or Gerlitz
2014-10-21 13:12 ` Eli Cohen
2014-10-14 5:41 ` Bart Van Assche
[not found] ` <543CB79B.6050400-HInyCGIudOg@public.gmane.org>
2014-10-14 10:50 ` Sagi Grimberg
2014-10-19 19:34 ` Sagi Grimberg
[not found] ` <5444122C.6070804-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2014-10-20 7:46 ` Bart Van Assche
[not found] ` <5444BDDC.1060507-HInyCGIudOg@public.gmane.org>
2014-10-21 9:32 ` Sagi Grimberg
[not found] ` <54462842.8080701-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2014-10-21 10:54 ` Bart Van Assche
[not found] ` <54463B4A.1070308-HInyCGIudOg@public.gmane.org>
2014-10-21 10:59 ` Sagi Grimberg [this message]
2014-10-21 14:20 ` Eli Cohen
2014-10-21 14:30 ` Sagi Grimberg
2014-10-08 11:06 ` [PATCH RFC 0/2] Indirect Fast Memory registration support Devesh Sharma
[not found] ` <EE7902D3F51F404C82415C4803930ACD40C4114B-DWYeeINJQrxExQ8dmkPuX0M9+F4ksjoh@public.gmane.org>
2014-10-13 8:01 ` Sagi Grimberg
2014-10-12 19:43 ` Or Gerlitz
[not found] ` <543AD9CD.80803-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2014-10-13 8:48 ` Bart Van Assche
[not found] ` <543B91E2.70206-HInyCGIudOg@public.gmane.org>
2014-10-13 11:18 ` Sagi Grimberg
[not found] ` <543BB4F4.8090203-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2014-10-13 14:51 ` Steve Wise
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