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eal/linux: fix parsing zero socket memory and limits

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Modern memory mode allowes to not reserve any memory by the
'--socket-mem' option. i.e. it could be possible to specify
zero preallocated memory like '--socket-mem 0'.
Also, it should be possible to configure unlimited memory
allocations by '--socket-limit 0'.

Both cases are impossible now and blocks starting the DPDK
application:

    ./dpdk-app --socket-limit 0 <...>
    EAL: invalid parameters for --socket-limit
    EAL: Invalid 'command line' arguments.
    Unable to initialize DPDK: Invalid argument

Fixes: 6b42f75632f0 ("eal: enable non-legacy memory mode")
Cc: stable@dpdk.org

Signed-off-by: Ilya Maximets <i.maximets@samsung.com>
Acked-by: Anatoly Burakov <anatoly.burakov@intel.com>
This commit is contained in:
Ilya Maximets 2019-01-22 19:27:14 +03:00 committed by Thomas Monjalon
parent 43f2b3d250
commit 0a703f0f36
1 changed files with 0 additions and 4 deletions
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4
lib/librte_eal/linuxapp/eal/eal.c
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@ -582,10 +582,6 @@ eal_parse_socket_arg(char *strval, volatile uint64_t *socket_arg)
socket_arg[i] = val;
}
/* check if we have a positive amount of total memory */
if (total_mem == 0)
return -1;
return 0;
}