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From: Sagi Grimberg <sagig-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
To: Bart Van Assche
	<bart.vanassche-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>,
	Doug Ledford <dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Cc: Sebastian Parschauer
	<sebastian.riemer-EIkl63zCoXaH+58JC4qpiA@public.gmane.org>,
	"linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [PATCH 4/7] IB/srp: Fix a potential queue overflow in an error path
Date: Tue, 3 Nov 2015 22:13:48 +0200	[thread overview]
Message-ID: <5639157C.2060107@dev.mellanox.co.il> (raw)
In-Reply-To: <56391290.2080708-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>


> Hello Sagi,
>
> Sorry but I strongly prefer not to introduce new contention points in
> the SRP initiator driver.

Yea... Me neither.

What if you just have a simple check on the SG list and reserve the
required descriptors up front? Would that work?
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  parent reply	other threads:[~2015-11-03 20:13 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-10-27 22:00 [PATCH 0/7] Fix an infinite loop in the SRP initiator Bart Van Assche
     [not found] ` <562FF404.7000504-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2015-10-27 22:01   ` [PATCH 1/7] IB/srp: Fix a spelling error Bart Van Assche
     [not found]     ` <562FF427.3000306-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2015-11-03 17:27       ` Sagi Grimberg
2015-10-27 22:01   ` [PATCH 2/7] IB/srp: Document srp_map_data() return value Bart Van Assche
     [not found]     ` <562FF43F.2000404-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2015-11-03 17:28       ` Sagi Grimberg
2015-10-27 22:02   ` [PATCH 3/7] IB/srp: Rename work request ID labels Bart Van Assche
     [not found]     ` <562FF463.40107-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2015-11-03 17:28       ` Sagi Grimberg
2015-10-27 22:02   ` [PATCH 4/7] IB/srp: Fix a potential queue overflow in an error path Bart Van Assche
     [not found]     ` <562FF484.6030400-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2015-11-03 17:36       ` Sagi Grimberg
     [not found]         ` <5638F08D.9070206-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2015-11-03 19:04           ` Bart Van Assche
     [not found]             ` <56390557.204-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2015-11-03 19:56               ` Sagi Grimberg
     [not found]                 ` <56391181.8040207-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2015-11-03 20:01                   ` Bart Van Assche
     [not found]                     ` <56391290.2080708-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2015-11-03 20:13                       ` Sagi Grimberg [this message]
     [not found]                         ` <5639157C.2060107-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2015-11-03 20:50                           ` Bart Van Assche
     [not found]                             ` <56391E33.5050300-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2015-11-04  4:03                               ` Christoph Hellwig
     [not found]                                 ` <20151104040322.GA22142-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
2015-11-04 22:19                                   ` Bart Van Assche
2015-10-27 22:03   ` [PATCH 5/7] IB/srp: Fix srp_map_data() error paths Bart Van Assche
2015-10-27 22:03   ` [PATCH 6/7] IB/srp: Introduce target->mr_pool_size Bart Van Assche
     [not found]     ` <562FF4BC.6030100-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2015-11-03 17:37       ` Sagi Grimberg
2015-10-27 22:04   ` [PATCH 7/7] IB/srp: Avoid that mapping failure triggers an infinite loop Bart Van Assche
     [not found]     ` <562FF4D9.2060809-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2015-11-03 17:43       ` Sagi Grimberg
     [not found]         ` <5638F25D.703-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2015-11-03 18:56           ` Bart Van Assche
     [not found]             ` <5639034D.8000905-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2015-11-03 18:59               ` Sagi Grimberg
     [not found]                 ` <5639040F.1040503-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2015-11-03 19:12                   ` Bart Van Assche
     [not found]                     ` <56390730.703-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2015-11-03 19:53                       ` Sagi Grimberg
2015-10-28 10:32   ` [PATCH 0/7] Fix an infinite loop in the SRP initiator Sagi Grimberg
     [not found]     ` <5630A454.40604-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2015-10-28 15:32       ` Bart Van Assche

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