From: Kevin Traynor <ktraynor@redhat.com>
To: Thomas Monjalon <thomas@monjalon.net>, David Wilder <dwilder@us.ibm.com>
Cc: stable@dpdk.org, dev@dpdk.org, chaozhu@linux.vnet.ibm.com
Subject: Re: [dpdk-dev] [dpdk-stable] [PATCH v3] mem: Fix anonymous mapping on Power9.
Date: Tue, 27 Nov 2018 10:50:21 +0000 [thread overview]
Message-ID: <8e5aa4cb-f972-42a1-1114-bc7beb5aa05d@redhat.com> (raw)
In-Reply-To: <1547076.mggVMYh6Ii@xps>
On 11/18/2018 01:41 PM, Thomas Monjalon wrote:
> 16/11/2018 18:35, David Wilder:
>> Removed the use of MAP_HUGETLB for anonymous mapping on ppc64. The
>> MAP_HUGETLB had previously been added to workaround issues on IBM Power8
>> systems when mapping /dev/zero (see: commit
>> 284ae3e9ff9a92575c28c858efd2c85c8de6d440). In the current code the
>> MAP_HUGETLB flag will cause the anonymous mapping to fail on Power9.
>> Note, Power8 is currently failing to correctly mmap Hugepages, with and
>> without this change.
>>
>> Signed-off-by: David Wilder <dwilder@us.ibm.com>
>> Reviewed-by: Pradeep Satyanarayana <pradeep@us.ibm.com>
>
> Applied, thanks
>
> Note: Cc stable@dpdk.org does not make sense in this context.
> Backporting this patch to 17.11 would be a mistake,
> and 17.08 is probably not in Power9 scope.
>
I think 17.08 is a typo for 18.08? Anyway, I won't backport to 18.08
unless I hear something further.
>
>
next prev parent reply other threads:[~2018-11-27 10:50 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-16 17:35 [dpdk-dev] " David Wilder
2018-11-18 13:41 ` [dpdk-dev] [dpdk-stable] " Thomas Monjalon
2018-11-27 10:50 ` Kevin Traynor [this message]
2019-02-18 15:46 ` Thomas Monjalon
2019-02-20 8:07 ` Chao Zhu
2019-02-20 16:04 ` [dpdk-dev] " Burakov, Anatoly
2019-02-20 16:27 ` Thomas Monjalon
2019-02-20 16:44 ` Burakov, Anatoly
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