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drivers/elog: use event region size when adding a clear event 

For the elog shrink case we log the number of bytes shrunk
from the event log. However, when clearing the log the
size recorded was the entire region size including the header
as well as the event region space. To be more consistent
mark the clearing event with the number of bytes actually
cleared out (excluding the header size).

BUG=chrome-os-partner:55932

Change-Id: I7c33da97bd29a90bfe975b1c6f148f181016f13f
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/16092
Tested-by: build bot (Jenkins)
Reviewed-by: Furquan Shaikh <furquan@google.com>
This commit is contained in:
Aaron Durbin 2016-08-03 17:32:47 -05:00 committed by Martin Roth
parent 9b0a343059
commit 36fdec88e6
1 changed files with 2 additions and 2 deletions
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4
src/drivers/elog/elog.c
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@ -469,7 +469,7 @@ int elog_clear(void)
return -1; return -1;
/* Log the clear event */ /* Log the clear event */
elog_add_event_word(ELOG_TYPE_LOG_CLEAR, total_size); elog_add_event_word(ELOG_TYPE_LOG_CLEAR, log_size);
return 0; return 0;
} }
@ -576,7 +576,7 @@ int elog_init(void)
/* Log a clear event if necessary */ /* Log a clear event if necessary */
if (event_count == 0) if (event_count == 0)
elog_add_event_word(ELOG_TYPE_LOG_CLEAR, total_size); elog_add_event_word(ELOG_TYPE_LOG_CLEAR, log_size);
#if !defined(__SMM__) #if !defined(__SMM__)
/* Log boot count event except in S3 resume */ /* Log boot count event except in S3 resume */