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eal: make the -n argument optional

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Obtaining the correct value of memory channels, especially from a
running system, can be anything from difficult to plain impossible.
Since the value is merely an optimization and does not affect functionality
otherwise, its pointless to force such a guess on users initially, such
things belong to performance tuning phase.

Signed-off-by: Panu Matilainen <pmatilai@redhat.com>
Acked-by: David Marchand <david.marchand@6wind.com>
This commit is contained in:
Panu Matilainen 2015-10-15 14:49:05 +03:00 committed by Thomas Monjalon
parent 1a0c70a33a
commit 19bfa4ddb1
1 changed files with 1 additions and 7 deletions
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8
lib/librte_eal/common/eal_common_options.c
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@ -834,12 +834,6 @@ eal_check_common_options(struct internal_config *internal_cfg)
RTE_LOG(ERR, EAL, "Invalid process type specified\n");
return -1;
}
if (internal_cfg->process_type == RTE_PROC_PRIMARY &&
internal_cfg->force_nchannel == 0) {
RTE_LOG(ERR, EAL, "Number of memory channels (-n) not "
"specified\n");
return -1;
}
if (index(internal_cfg->hugefile_prefix, '%') != NULL) {
RTE_LOG(ERR, EAL, "Invalid char, '%%', in --"OPT_FILE_PREFIX" "
"option\n");
@ -869,7 +863,7 @@ eal_check_common_options(struct internal_config *internal_cfg)
void
eal_common_usage(void)
{
printf("-c COREMASK|-l CORELIST -n CHANNELS [options]\n\n"
printf("-c COREMASK|-l CORELIST [options]\n\n"
"EAL common options:\n"
" -c COREMASK Hexadecimal bitmask of cores to run on\n"
" -l CORELIST List of cores to run on\n"