Il 21/07/2014 13:39, Nadav Amit ha scritto: > This series of patches introduces checks for rflags.rf and whether it is > cleared after emulation, and set correctly. The last (third) patch fails even > with recent fixes, since there is no easy way for the hypervisor to determine > whether any iteration of rep-string was executed before. RFLAGS.RF should be > cleared before the first iteration, and set otherwise. > > Nadav Amit (3): > x86: Check rflags.rf is cleared after emulation > x86: Test rflags.rf is set upon faults > x86: Check RFLAGS.RF on interrupt during REP-str > > lib/x86/desc.c | 14 +++++++++++--- > lib/x86/desc.h | 1 + > x86/eventinj.c | 16 ++++++++++++++++ > x86/idt_test.c | 13 +++++++++---- > x86/realmode.c | 3 ++- > 5 files changed, 39 insertions(+), 8 deletions(-) >
I applied patch 1. Paolo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
