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commit 4bc988b470 upstream.
- Fix empty log detection that couldn't work without read_wrap_count
- Start printing wrapped log from correct position (log_start)
- Properly handle logs that are wrapped multiple times in reference
to reader position
- Don't add a newline when log buffer is wrapped
- Always add a newline after printing a log buffer in case log does
not end with one
Reviewed-by: Tomasz Rusinowicz <tomasz.rusinowicz@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240930195322.461209-6-jacek.lawrynowicz@linux.intel.com
Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>