Internal discussion on "Is ESR=0x0 a valid exception syndrome?" led to realization that:
1. It is not valid exception syndrome 2. Xen theoretically may inject an exception with ESR=0x0 Further discussion in the ML showed that Xen also may inject non-standard Data or Instuction Abort exception. Following two patches address both issues. Volodymyr Babchuk (2): arch: arm64: always set IL=1 when injecting undefined exception arch: arm64: always set IL=1 when injecting an abort exception xen/arch/arm/arm64/vsysreg.c | 10 ++--- xen/arch/arm/include/asm/arm64/traps.h | 2 +- xen/arch/arm/include/asm/p2m.h | 3 +- xen/arch/arm/include/asm/traps.h | 2 +- xen/arch/arm/p2m.c | 5 +-- xen/arch/arm/traps.c | 53 ++++++++++++-------------- xen/arch/arm/vcpreg.c | 26 ++++++------- xen/arch/arm/vsmc.c | 6 +-- 8 files changed, 49 insertions(+), 58 deletions(-) -- 2.47.1
