On 2015-04-20 19:37, Jan Kiszka wrote: > On 2015-04-20 19:33, Radim Krčmář wrote: >> 2015-04-20 19:21+0200, Jan Kiszka: >>> On 2015-04-20 19:16, Radim Krčmář wrote: >>>> 2015-04-20 18:14+0200, Radim Krčmář: >>>>> Tested-by: Radim Krčmář <rkrcmar@xxxxxxxxxx> >>>> >>>> Uncached accesses were roughly 20x slower. >>>> In case anyone wanted to reproduce, I used this as a kvm-unit-test: >>>> >>>> --- >> | [code] >>> >>> Great, thanks. Will you push it to the unit tests? Could raise >>> motivations to fix the !NPT/EPT case. >> >> It can't be included in `run_tests.sh`, because we intenionally ignore >> PAT for normal RAM on VMX and the test does "fail" ... > > That ignoring is encoded into the EPT? Hmm... Maybe we can create a > ivshmem device and use that as test target. And do you also know why is it ignored on Intel? Side effects on the host? Jan -- Siemens AG, Corporate Technology, CT RTC ITP SES-DE Corporate Competence Center Embedded Linux -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
