On Thu, Dec 10, 2015 at 4:14 PM, Tony Luck <tony.luck@xxxxxxxxx> wrote: > Extend the severity checking code to add a new context IN_KERN_RECOV > which is used to indicate that the machine check was triggered by code > in the kernel with a fixup entry. > > Add code to check for this situation and respond by altering the return > IP to the fixup address and changing the regs->ax so that the recovery > code knows the physical address of the error. Note that we also set bit > 63 because 0x0 is a legal physical address. > > Major re-work to the tail code in do_machine_check() to make all this > readable/maintainable. One functional change is that tolerant=3 no longer > stops recovery actions. Revert to only skipping sending SIGBUS to the > current process. This is IMO much, much nicer than the old code. Thanks! --Andy -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>