mirror of
https://github.com/xen-project/xen.git
synced 2026-10-28 02:01:24 +01:00
Andrew Cooper
4bcf6433ee
See the comment at the top of test-tsx.c for details.
This covers various complexities encountered while trying to address the
recent TSX deprecation on client parts.
A sample run on KabyLake with latest microcode and default tsx= looks like
this:
root@host# ./test-tsx
TSX tests
Got 8 CPUs
Testing MSR_TSX_FORCE_ABORT consistency
CPU0 val 0x3
Testing MSR_TSX_CTRL consistency
Testing RTM behaviour
Got Abort
Testing PV default/max policies
Max: RTM 1, HLE 1, TSX_FORCE_ABORT 0, RTM_ALWAYS_ABORT 0, TSX_CTRL 0
Def: RTM 0, HLE 0, TSX_FORCE_ABORT 0, RTM_ALWAYS_ABORT 0, TSX_CTRL 0
Testing HVM default/max policies
Max: RTM 1, HLE 1, TSX_FORCE_ABORT 0, RTM_ALWAYS_ABORT 0, TSX_CTRL 0
Def: RTM 0, HLE 0, TSX_FORCE_ABORT 0, RTM_ALWAYS_ABORT 0, TSX_CTRL 0
Testing PV guest
Created d7
Cur: RTM 0, HLE 0, TSX_FORCE_ABORT 0, RTM_ALWAYS_ABORT 0, TSX_CTRL 0
Cur: RTM 1, HLE 1, TSX_FORCE_ABORT 0, RTM_ALWAYS_ABORT 0, TSX_CTRL 0
Testing HVM guest
Created d8
Cur: RTM 0, HLE 0, TSX_FORCE_ABORT 0, RTM_ALWAYS_ABORT 0, TSX_CTRL 0
Cur: RTM 1, HLE 1, TSX_FORCE_ABORT 0, RTM_ALWAYS_ABORT 0, TSX_CTRL 0
Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
Acked-by: Jan Beulich <jbeulich@suse.com>