| Message ID | 20220113163833.3831-1-andrew.cooper3@citrix.com (mailing list archive) |
|---|---|
| Headers | show
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d="scan'208";a="61856446" From: Andrew Cooper <andrew.cooper3@citrix.com> To: Xen-devel <xen-devel@lists.xenproject.org> CC: Andrew Cooper <andrew.cooper3@citrix.com> Subject: [PATCH 0/3] x86/spec-ctrl: Fix NMI race condition Date: Thu, 13 Jan 2022 16:38:30 +0000 Message-ID: <20220113163833.3831-1-andrew.cooper3@citrix.com> X-Mailer: git-send-email 2.11.0 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit |
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x86/spec-ctrl: Fix NMI race condition
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Andrew Cooper (3): x86/msr: Split MSR_SPEC_CTRL handling x86/spec-ctrl: Drop SPEC_CTRL_{ENTRY_FROM,EXIT_TO}_HVM x86/spec-ctrl: Fix NMI race condition with VT-x MSR_SPEC_CTRL handling xen/arch/x86/hvm/svm/entry.S | 5 ++-- xen/arch/x86/hvm/vmx/entry.S | 23 ++++++++++----- xen/arch/x86/hvm/vmx/vmx.c | 38 ++++++++++++++++++++++++- xen/arch/x86/include/asm/msr.h | 21 ++++++++++---- xen/arch/x86/include/asm/spec_ctrl_asm.h | 49 ++++---------------------------- xen/arch/x86/msr.c | 6 ++-- xen/arch/x86/pv/emul-priv-op.c | 10 +++++++ 7 files changed, 90 insertions(+), 62 deletions(-)