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Re: [Xen-devel] [PATCH 0/7] Vm-events: move monitor vm-events code to common code.


  • To: xen-devel@xxxxxxxxxxxxx
  • From: Corneliu ZUZU <czuzu@xxxxxxxxxxxxxxx>
  • Date: Mon, 8 Feb 2016 19:06:41 +0200
  • Cc: Kevin Tian <kevin.tian@xxxxxxxxx>, Tamas K Lengyel <tamas@xxxxxxxxxxxxx>, Keir Fraser <keir@xxxxxxx>, Ian Campbell <ian.campbell@xxxxxxxxxx>, Razvan Cojocaru <rcojocaru@xxxxxxxxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>, Stefano Stabellini <stefano.stabellini@xxxxxxxxxx>, Jun Nakajima <jun.nakajima@xxxxxxxxx>
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On 2/8/2016 6:57 PM, Corneliu ZUZU wrote:
This patch series is an attempt to move (most) of the monitor vm-events code to
the common-side.

Patches summary:

1. Move xen/arch/arm/hvm.c to xen/arch/arm/hvm/hvm.c

2. Merge almost identical functions hvm_event_int3 + hvm_event_single_step ->
hvm_event_software_breakpoint.

3. Add Kconfigs:
        HAS_VM_EVENT_WRITE_CTRLREG, HAS_VM_EVENT_SINGLESTEP,
        HAS_VM_EVENT_SOFTWARE_BREAKPOINT, HAS_VM_EVENT_GUEST_REQUEST
and move monitor_domctl to common-side. Used the Kconfigs to selectively
activate implemented monitor vm-events code for each architecture.

4. Some file renames. Read (*) below.

5. Move hvm_event_traps, hvm_event_cr, hvm_event_guest_request,
hvm_event_software_breakpoint functions to common-side.
(note: arch_hvm_event_fill_regs on ARM-side will be implemented in a separate
patch)

6. Some file renames, plus some minor fixes. Read (*) below.

7. Move monitor bitfield members from struct arch_domain to struct domain.
Moved bits: single-step, software-breakpoint and guest-request.
(note: write_ctrlreg_* were left on the arch-side, since control-registers
number can vary across architectures)

(*) was only necessary to avoid git seeing a file as being modified, rather than
moved (would have made the diff unnecessarily bulky).
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Somehow git send-email managed to malform the introductory message. Corrections made, read above instead :)

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