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From: Andrew Cooper <andrew.cooper3@citrix.com>
To: Xen-devel <xen-devel@lists.xen.org>
Cc: "Andrew Cooper" <andrew.cooper3@citrix.com>,
	"Wei Liu" <wei.liu2@citrix.com>,
	"Jan Beulich" <JBeulich@suse.com>,
	"Roger Pau Monné" <roger.pau@citrix.com>
Subject: [PATCH 0/3] x86/smt: Runtime SMT controls
Date: Tue, 2 Apr 2019 20:57:25 +0100	[thread overview]
Message-ID: <1554235048-3373-1-git-send-email-andrew.cooper3@citrix.com> (raw)

This is some work which was discussed for L1TF and never got finished.
Testing for this work is what discovered the cpu online/offline memory leak.

Andrew Cooper (3):
  xen/cpu: Distinguish "cpu already in that state" in cpu_{up,down}()
  x86/sysctl: Clean up XEN_SYSCTL_cpu_hotplug
  x86: Support for enabling/disabling SMT at runtime

 tools/libxc/include/xenctrl.h   |   2 +
 tools/libxc/xc_cpu_hotplug.c    |  26 +++++++++
 tools/misc/xen-hptool.c         |  56 ++++++++++++++++++
 xen/arch/x86/setup.c            |   2 +-
 xen/arch/x86/sysctl.c           | 126 ++++++++++++++++++++++++++++++++++++----
 xen/common/cpu.c                |  26 +++++----
 xen/include/asm-x86/processor.h |   1 +
 xen/include/public/sysctl.h     |   9 +++
 8 files changed, 226 insertions(+), 22 deletions(-)

-- 
2.1.4


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             reply	other threads:[~2019-04-02 19:57 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-04-02 19:57 Andrew Cooper [this message]
2019-04-02 19:57 ` [PATCH 1/3] xen/cpu: Distinguish "cpu already in that state" in cpu_{up, down}() Andrew Cooper
2019-04-03  8:49   ` Jan Beulich
2019-04-02 19:57 ` [PATCH 2/3] x86/sysctl: Clean up XEN_SYSCTL_cpu_hotplug Andrew Cooper
2019-04-03  8:53   ` Jan Beulich
2019-04-03  9:06     ` Andrew Cooper
2019-04-03  9:38       ` Jan Beulich
2019-04-04 13:31         ` Andrew Cooper
2019-04-02 19:57 ` [PATCH 3/3] x86/smt: Support for enabling/disabling SMT at runtime Andrew Cooper
2019-04-03  9:33   ` Jan Beulich
2019-04-03 10:17     ` Andrew Cooper
2019-04-03 10:44       ` Jan Beulich
2019-04-03 11:33         ` Andrew Cooper
2019-04-03 12:10           ` Jan Beulich
2019-04-11  8:16       ` Jan Beulich

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