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netconsole: add taskname to extradata entry count

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New SYSDATA_TASKNAME feature flag to track when taskname append is enabled.

Additional check in count_extradata_entries() to include taskname in
total, counting it as an entry in extradata. This function is used to
check if we are not overflowing the number of extradata items.

Signed-off-by: Breno Leitao <leitao@debian.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Breno Leitao 2025-02-28 04:50:20 -08:00 committed by Paolo Abeni
parent 4d989521a9
commit 33e4b29f2b
1 changed files with 4 additions and 0 deletions
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4
drivers/net/netconsole.c
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@ -104,6 +104,8 @@ struct netconsole_target_stats {
enum sysdata_feature {
/* Populate the CPU that sends the message */
SYSDATA_CPU_NR = BIT(0),
/* Populate the task name (as in current->comm) in sysdata */
SYSDATA_TASKNAME = BIT(1),
};
/**
@ -701,6 +703,8 @@ static size_t count_extradata_entries(struct netconsole_target *nt)
/* Plus sysdata entries */
if (nt->sysdata_fields & SYSDATA_CPU_NR)
entries += 1;
if (nt->sysdata_fields & SYSDATA_TASKNAME)
entries += 1;
return entries;
}