From: Sagi Grimberg <sagig-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
To: Or Gerlitz <ogerlitz-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>,
linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
target-devel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Cc: Steve Wise
<swise-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>,
"Nicholas A. Bellinger"
<nab-IzHhD5pYlfBP7FQvKIMDCQ@public.gmane.org>,
Doug Ledford <dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
Yishai Hadas <yishaih-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
Subject: Re: [PATCH 1/2] mlx4: Expose correct max_sge_rd limit
Date: Tue, 27 Oct 2015 18:17:24 +0200 [thread overview]
Message-ID: <562FA394.2090607@dev.mellanox.co.il> (raw)
In-Reply-To: <562FA273.5090700-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
> But AFAIR, the magic number was 28... how this goes hand in hand with
> your findings?
mlx4 max_sge is 32, and isert does max_sge - 2 = 30.
So it always used 30... and I run it reliably with this for a while now.
This thing exists before I was involved so I might not be familiar with
all the details...
Sagi.
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next prev parent reply other threads:[~2015-10-27 16:17 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-27 9:40 [PATCH 0/2] Expose max_sge_rd correctly Sagi Grimberg
2015-10-27 9:40 ` [PATCH 1/2] mlx4: Expose correct max_sge_rd limit Sagi Grimberg
[not found] ` <1445938846-9240-2-git-send-email-sagig-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2015-10-27 14:39 ` Or Gerlitz
2015-10-27 16:03 ` Sagi Grimberg
[not found] ` <562FA05F.4050805-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2015-10-27 16:12 ` Or Gerlitz
[not found] ` <562FA273.5090700-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2015-10-27 16:17 ` Sagi Grimberg [this message]
2015-10-27 16:24 ` Bart Van Assche
[not found] ` <562FA544.4040508-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2015-10-27 16:31 ` Sagi Grimberg
[not found] ` <562FA6E8.4040005-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2015-10-27 17:37 ` Eli Cohen
2015-10-27 9:40 ` [PATCH 2/2] iser-target: Remove explicit mlx4 work-around Sagi Grimberg
[not found] ` <1445938846-9240-1-git-send-email-sagig-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2015-10-27 14:26 ` [PATCH 0/2] Expose max_sge_rd correctly Steve Wise
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