On Fri, Jun 26, 2009 at 10:39:50AM -0400, Robin Getz wrote: > OK - so after a bit more digging into things (and a poke by Mike) - I think > most of the stuff already exists. > > Normal run time issues: > -------------------------- > - MTD_OOPS - on 2007-06-28 this was added to Linus's tree: > http://lkml.org/lkml/2007/6/18/234 > CONFIG_MTD_OOPS > tristate "Log panic/oops to an MTD buffer" ... > early boot issues: > ---------------------- > - CONFIG_EARLY_PRINTK > - early printk just defined a console - and is supported by: > alpha, blackfin, microblaze, mips, powerpc, sh, x86 > - it's pretty trivial to support a memory based buffer - some > archs already support it. > > I think this only leaves Wolfgang's desire for memory buffers from the > bootloader to get (somehow) into the kernel's log buffer for syslog > processing... > > Anyone else agree? Almost. A couple of us also want memory for "flight data record" FDR data for doing continuous logging. This would, ideally, be either uncached or cached in such a way that data is guaranteed to be written to memory in the event of a watchdog timer-induced system reset. David VL -- To unsubscribe from this list: send the line "unsubscribe linux-embedded" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
