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From: Olivier Matz <>
To: Anatoly Burakov <>
Cc:, Andrew Rybchenko <>,,
Subject: Re: [dpdk-stable] [PATCH 2/2] mempool: remove check for bad IOVA when populating
Date: Fri, 15 Nov 2019 09:48:34 +0100
Message-ID: <20191115084834.GG4841@platinum> (raw)
In-Reply-To: <>

On Thu, Nov 14, 2019 at 01:58:21PM +0000, Anatoly Burakov wrote:
> Currently, mempool will check if IOVA is bad for a segment, and reject
> the IOVA if hugepages are also enabled. This check is wrong because now
> that we have external memory segments, they are allowed to have their
> IOVA's to be invalid. This check also doesn't make much sense in the
> first place, because the following code can handle bad IOVA's perfectly
> well (and in fact, this check is not triggering a failure when
> --no-huge option is enabled), so there is not much sense to check for
> this in the first place.
> Fixes: 950e8fb4e194 ("mem: allow registering external memory areas")
> Cc:
> Signed-off-by: Anatoly Burakov <>

Acked-by: Olivier Matz <>

  reply	other threads:[~2019-11-15  8:48 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-14 13:58 [dpdk-stable] [PATCH 1/2] mempool: use actual IOVA addresses " Anatoly Burakov
2019-11-14 13:58 ` [dpdk-stable] [PATCH 2/2] mempool: remove check for bad IOVA " Anatoly Burakov
2019-11-15  8:48   ` Olivier Matz [this message]
2019-11-19  1:45   ` Li, WenjieX A
2019-11-15  8:46 ` [dpdk-stable] [PATCH 1/2] mempool: use actual IOVA addresses " Olivier Matz
2019-11-15 10:12   ` Burakov, Anatoly
2019-11-19  1:45 ` Li, WenjieX A
2019-11-19 20:56 ` David Marchand

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