From: Yongseok Koh <yskoh@mellanox.com>
To: Alejandro Lucero <alejandro.lucero@netronome.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>,
"stable@dpdk.org" <stable@dpdk.org>,
"anatoly.burakov@intel.com" <anatoly.burakov@intel.com>,
"echaudro@redhat.com" <echaudro@redhat.com>
Subject: Re: [dpdk-dev] [dpdk-stable] [PATCH 17.11] mem: fix max DMA maskbit size
Date: Sun, 2 Sep 2018 17:17:23 +0000 [thread overview]
Message-ID: <58BAA222-786C-447E-85C7-B042F8C2407D@mellanox.com> (raw)
In-Reply-To: <1535727232-44836-1-git-send-email-alejandro.lucero@netronome.com>
> On Aug 31, 2018, at 7:53 AM, Alejandro Lucero <alejandro.lucero@netronome.com> wrote:
>
> The sanity check inside rte_eal_check_dma_mask is using 47 bits as
> the maximum size. It turns out there are some IOMMU hardware reporting
> 48 bits precluding the IOVA VA mode to be enabled.
>
> It is harmless to raise the maximum mask size to 63 bits.
>
> This patch also removes any reference to unused X86_VA_WIDTH.
>
> Fixes: 3a80bc50c949 ("mem: add function for checking memsegs IOVAs addresses")
>
> Signed-off-by: Alejandro Lucero <alejandro.lucero@netronome.com>
> ---
Applied to stable/17.11.
Thanks,
Yongseok
prev parent reply other threads:[~2018-09-02 17:17 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-31 14:53 [dpdk-dev] " Alejandro Lucero
2018-09-02 17:17 ` Yongseok Koh [this message]
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