On Tue, Mar 16, 2021 at 12:10:20AM +0200, Maxim Levitsky wrote: > Add a new debug module param 'debug_intercept_exceptions' which will allow the > KVM to intercept any guest exception, and forward it to the guest. > > This can be very useful for guest debugging and/or KVM debugging with kvm trace. > This is not intended to be used on production systems. > > This is based on an idea first shown here: > https://patchwork.kernel.org/project/kvm/patch/20160301192822.GD22677@xxxxxxx/ > > CC: Borislav Petkov <bp@xxxxxxx> > Signed-off-by: Maxim Levitsky <mlevitsk@xxxxxxxxxx> > --- > arch/x86/include/asm/kvm_host.h | 2 + > arch/x86/kvm/svm/svm.c | 77 ++++++++++++++++++++++++++++++++- > arch/x86/kvm/svm/svm.h | 5 ++- > arch/x86/kvm/x86.c | 5 ++- > 4 files changed, 85 insertions(+), 4 deletions(-) Looks interesting, I'll give it a try when I get a chance in the coming days. Thx! -- Regards/Gruss, Boris. SUSE Software Solutions Germany GmbH, GF: Felix Imendörffer, HRB 36809, AG Nürnberg
