On Tue, Dec 15, 2015 at 05:29:59PM -0800, Tony Luck 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. > > 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. > > Signed-off-by: Tony Luck <tony.luck@xxxxxxxxx> > --- > arch/x86/kernel/cpu/mcheck/mce-severity.c | 21 +++++++++- > arch/x86/kernel/cpu/mcheck/mce.c | 70 ++++++++++++++++--------------- > 2 files changed, 55 insertions(+), 36 deletions(-) Reviewed-by: Borislav Petkov <bp@xxxxxxx> -- Regards/Gruss, Boris. ECO tip #101: Trim your mails when you reply. -- 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>