Andrew Cooper 3e09045991 x86/tsx: Cope with TSX deprecation on SKL/KBL/CFL/WHL ...

The June 2021 microcode is formally de-featuring TSX on the older Skylake
client CPUs.  The workaround from the March 2019 microcode is being dropped,
and replaced with additions to MSR_TSX_FORCE_ABORT to hide the HLE/RTM CPUID
bits.

With this microcode in place, TSX is disabled by default on these CPUs.
Backwards compatibility is provided in the same way as for TAA - RTM force
aborts, rather than suffering #UD, and the CPUID bits can be hidden to recover
performance.

Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>

2021-06-09 14:17:58 +01:00

..

.gitignore

tools/misc: Add xen-vmtrace tool

2021-02-05 17:37:28 +00:00

Makefile

tools/misc: Add xen-vmtrace tool

2021-02-05 17:37:28 +00:00

mkdeb

mkdeb: use compression level 0

2018-09-07 15:06:00 +01:00

mkhex

mkhex: Move it to tools/misc

2017-10-05 09:27:32 -04:00

mkrpm

rpmball: Adjust to new rpm, do not require --force

2020-08-14 17:18:56 +01:00

mktarball

mktarball: For qemu upstream, use their scripts/archive-source.sh

2018-04-17 18:21:30 +01:00

xen-access.c

tools: Move xen-access from tests/ to misc/

2021-01-13 19:30:50 +00:00

xen-cpuid.c

x86/tsx: Cope with TSX deprecation on SKL/KBL/CFL/WHL

2021-06-09 14:17:58 +01:00

xen-detect.c

tools/misc: Use const whenever we point to literal strings

2021-05-18 14:54:05 +01:00

xen-diag.c

tools: Move ARRAY_SIZE() into xen-tools/libs.h

2018-07-04 17:25:37 +01:00

xen-hptool.c

tools/misc: don't use libxenctrl internals from xen-hptool

2020-09-09 10:57:25 +00:00

xen-hvmcrash.c

tools/misc: xen-hvmcrash: New tool to attempt to crash HVM guests

2010-07-29 18:58:19 +01:00

xen-hvmctx.c

viridian: introduce struct viridian_page

2018-11-09 11:40:12 +01:00

xen-livepatch.c

livepatch: Add metadata runtime retrieval mechanism

2019-12-13 14:45:32 +00:00

xen-lowmemd.c

tools: drop all deprecated usages of xs_*_open() and friends in tools

2020-10-08 12:47:59 +00:00

xen-memshare.c

tools: Move memshrtool from tests/ to misc/

2021-01-13 19:30:50 +00:00

xen-mfndump.c

tools/misc: drop all libxc internals from xen-mfndump.c

2020-09-09 10:57:25 +00:00

xen-ucode.c

tools/xen-ucode: return correct exit code on failed microcode update

2020-06-18 16:45:14 +01:00

xen-vmtrace.c

tools/misc/xen-vmtrace: use reset and enable

2021-02-22 11:15:31 +00:00

xencons

bitkeeper revision 1.1159.187.78 (41c9d4768ZT219TwwhKCb8dfwHcdkA)

2004-12-22 20:09:26 +00:00

xencov_split

tools: Use INSTALL_PYTHON_PROG

2020-05-19 11:40:53 +01:00

xencov.c

gcov: rename sysctl and functions

2018-01-25 12:27:44 +01:00

xenhypfs.c

tools/misc: Use const whenever we point to literal strings

2021-05-18 14:54:05 +01:00

xenlockprof.c

Various: Fix typo `reseting'

2018-10-08 15:20:18 +01:00

xenperf.c

Various: Fix typo `reseting'

2018-10-08 15:20:18 +01:00

xenpm.c

tools/libxc: allow controlling the max C-state sub-state

2019-07-22 11:35:19 +02:00

xenpvnetboot

Replace FSF street address with canonical URL

2015-07-29 11:14:07 +01:00

xensymoops

bitkeeper revision 1.1159.137.1 (41811b328SwfN4BTxZsoMM-iGa8evQ)

2004-10-28 16:15:46 +00:00

xenwatchdogd.c

xenwatchdogd: Fix build errors

2010-06-07 07:16:43 +01:00