patches for DPDK stable branches
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From: "Burakov, Anatoly" <anatoly.burakov@intel.com>
To: Deepak Khandelwal <deepak.khandelwal@intel.com>
Cc: <dev@dpdk.org>, <stable@dpdk.org>
Subject: Re: [PATCH] eal/linux: skip attaching to external memory chunk
Date: Wed, 20 Apr 2022 16:32:44 +0100
Message-ID: <6c2ec2b9-eba3-25ea-155d-04049b3a0a11@intel.com> (raw)
In-Reply-To: <1649075577-67300-1-git-send-email-deepak.khandelwal@intel.com>

On 04-Apr-22 1:32 PM, Deepak Khandelwal wrote:
> when secondary process is initialized(rte_eal_init),
> external memroy segments should not be attached.
> These segments will be attached by explicitly invoking
> rte_malloc_heap_memory_attach API
> 
> Fixes: ff3619d6244b ("malloc: allow attaching to external memory chunks")
> Cc: stable@dpdk.org
> 
> Signed-off-by: Deepak Khandelwal <deepak.khandelwal@intel.com>
> Suggested-by: Anatoly Burakov <anatoly.burakov@intel.com>
> ---
>   lib/eal/linux/eal_memory.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/lib/eal/linux/eal_memory.c b/lib/eal/linux/eal_memory.c
> index ee1a9e6..18d2176 100644
> --- a/lib/eal/linux/eal_memory.c
> +++ b/lib/eal/linux/eal_memory.c
> @@ -1875,7 +1875,7 @@ void numa_error(char *where)
>   		msl = &mcfg->memsegs[msl_idx];
>   
>   		/* skip empty memseg lists */
> -		if (msl->memseg_arr.len == 0)
> +		if (msl->memseg_arr.len == 0 || msl->external)
>   			continue;
>   
>   		if (rte_fbarray_attach(&msl->memseg_arr)) {

Actually, this needs to be implemented for BSD as well. Windows doesn't 
have support for secondary processes yet, so it's not applicable to 
Windows as far as i can tell.

-- 
Thanks,
Anatoly

  parent reply	other threads:[~2022-04-20 15:52 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-04 12:32 Deepak Khandelwal
2022-04-20 15:26 ` Burakov, Anatoly
2022-04-20 15:32 ` Burakov, Anatoly [this message]
2022-04-21  9:11 ` [PATCH v2] " Deepak Khandelwal
2022-04-28 12:08   ` David Marchand

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