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[PATCH v2 0/7] x86/pv: #DB vs %dr6 fixes, part 2
- To: Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
- Date: Fri, 15 Sep 2023 21:36:21 +0100
- Authentication-results: esa4.hc3370-68.iphmx.com; dkim=none (message not signed) header.i=none
- Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Jan Beulich <JBeulich@xxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Jinoh Kang <jinoh.kang.kr@xxxxxxxxx>
- Delivery-date: Fri, 15 Sep 2023 20:36:54 +0000
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- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
This time with a bit of sanity testing. See patches for details.
Andrew Cooper (7):
x86/emul: ASSERT that X86EMUL_DONE doesn't escape to callers
x86/emul: Fix and extend #DB trap handling
x86/pv: Fix the determiniation of whether to inject #DB
x86/pv: Drop priv_op_ctxt.bpmatch and use pending_dbg instead
x86: Introduce x86_merge_dr6()
x86: Extend x86_event with a pending_dbg field
x86/pv: Rewrite %dr6 handling
xen/arch/x86/debug.c | 20 +++++++++++++++++
xen/arch/x86/include/asm/debugreg.h | 7 ++++++
xen/arch/x86/include/asm/domain.h | 18 ++++++++++++++--
xen/arch/x86/include/asm/hvm/hvm.h | 3 ++-
xen/arch/x86/include/asm/x86-defns.h | 7 ++++++
xen/arch/x86/pv/emul-priv-op.c | 30 +++++++++++++-------------
xen/arch/x86/pv/emulate.c | 9 ++++++--
xen/arch/x86/pv/ro-page-fault.c | 4 ++--
xen/arch/x86/pv/traps.c | 17 +++++++++++----
xen/arch/x86/traps.c | 23 ++++++++++----------
xen/arch/x86/x86_emulate/x86_emulate.c | 26 ++++++++++++++++------
xen/arch/x86/x86_emulate/x86_emulate.h | 19 ++++++++++++----
12 files changed, 134 insertions(+), 49 deletions(-)
--
2.30.2
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