Wanpeng Li <kernel...@gmail.com> wrote: > 2015-11-20 10:52 GMT+08:00 Wanpeng Li <kernel...@gmail.com>: >> Hi Paolo, >> 2015-02-09 17:03 GMT+08:00 Paolo Bonzini <pbonz...@redhat.com>: >>> NoWrite instructions (e.g. cmp or test) never set the "write access" >>> bit in the error code, even if one of the operands is treated as a >>> destination. >> >> Sorry to reply to an old commit, btw, could you point out where in SDM >> describe above? > > I see.
I don’t understand whether you still need my help, so to clarify: on a page-fault the error code should indicate whether the access was due to a write access. Previously KVM marked it as “write access” for instructions such as test and cmp that do not perform write. Nadav-- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
