On Thu, 2014-02-27 at 13:17 +0900, Yoshihiro YUNOMAE wrote:
> +/* Maximum size of a local buffer for structured printk */
> +#define SCSI_LOG_LINE_MAX 512
> +
> +/* Local buffer for structured printk */
> +struct scsi_log_line {
> + int offset;
> + char buf[SCSI_LOG_LINE_MAX];
> +};
This piece isn't going to fly; it's an on stack allocation of 0.5kb;
that's too much for small stack kernels. Just changing this to a kalloc
is going be problematic too because we're in the io paths and the
allocation may fail. So I appreciate the problem, but I don't think the
solution works. Could we just tag the messages and use grep to put them
back together?
James
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