x86/spec-ctrl: Mitigate the TSX Asynchronous Abort sidechannel
authorAndrew Cooper <andrew.cooper3@citrix.com>
Wed, 19 Jun 2019 17:16:03 +0000 (18:16 +0100)
committerAndrew Cooper <andrew.cooper3@citrix.com>
Tue, 12 Nov 2019 17:12:54 +0000 (17:12 +0000)
commit8c4330818f6ee70cbf7428a40a28a73df1272d10
tree49618c94b4ff54a1a264302ec8d0992bfef0806e
parent070e8ce9d3ace4624bb0fa87252a516e6fb0e2ea
x86/spec-ctrl: Mitigate the TSX Asynchronous Abort sidechannel

See patch documentation and comments.

This is part of XSA-305 / CVE-2019-11135

Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
docs/misc/xen-command-line.pandoc
xen/arch/x86/spec_ctrl.c
xen/arch/x86/tsx.c
xen/include/asm-x86/msr-index.h