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Re: [Qemu-devel] [PULL 095/107] spapr: clock should count only if vm is
From: |
Laurent Vivier |
Subject: |
Re: [Qemu-devel] [PULL 095/107] spapr: clock should count only if vm is running |
Date: |
Thu, 2 Feb 2017 10:13:16 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.6.0 |
On 02/02/2017 09:37, Mark Cave-Ayland wrote:
> On 02/02/17 05:14, David Gibson wrote:
>
...
> Hi David/Laurent,
Hi Mark,
> I just noticed this in your pull request today - this looks like it is
> along similar lines to the prototype patch I proposed last year as part
> of the decrementer migration thread discussion, i.e. use a
> vm_change_state_handler() to sync the clock on pause/resume.
>
> Am I right in thinking this now solves the timebase migration problem,
> and so the only part required is to encode the decrementer relative to
> the timebase during migration to ensure its value is also migrated
> correctly?
Do you have a link to this thread discussion?
The main purpose of this patch was only to stop the clock (TBR) while
the machine is paused, so I'd like to know what is the problem you are
speaking about.
Thanks,
Laurent
- [Qemu-devel] [PULL 089/107] target-ppc: Add xsdivqp instruction, (continued)
- [Qemu-devel] [PULL 089/107] target-ppc: Add xsdivqp instruction, David Gibson, 2017/02/02
- [Qemu-devel] [PULL 101/107] target-ppc: Add xststdc[sp, dp, qp] instructions, David Gibson, 2017/02/02
- [Qemu-devel] [PULL 084/107] ppc/prep: update MAINTAINERS file, David Gibson, 2017/02/02
- [Qemu-devel] [PULL 088/107] target-ppc: Add xscvsdqp and xscvudqp instructions, David Gibson, 2017/02/02
- [Qemu-devel] [PULL 102/107] target/ppc/debug: Print LPCR register value if register exists, David Gibson, 2017/02/02
- [Qemu-devel] [PULL 091/107] target-ppc: Add xvcv[hpsp, sphp] instructions, David Gibson, 2017/02/02
- [Qemu-devel] [PULL 083/107] target-ppc: Add xscvqps[d, w]z instructions, David Gibson, 2017/02/02
- [Qemu-devel] [PULL 105/107] target/ppc/mmu_hash64: Fix incorrect shift value in amr calculation, David Gibson, 2017/02/02
- [Qemu-devel] [PULL 095/107] spapr: clock should count only if vm is running, David Gibson, 2017/02/02
- Re: [Qemu-devel] [PULL 095/107] spapr: clock should count only if vm is running, Mark Cave-Ayland, 2017/02/02
- Re: [Qemu-devel] [PULL 095/107] spapr: clock should count only if vm is running,
Laurent Vivier <=
- Re: [Qemu-devel] [PULL 095/107] spapr: clock should count only if vm is running, Mark Cave-Ayland, 2017/02/02
- Re: [Qemu-devel] [PULL 095/107] spapr: clock should count only if vm is running, Laurent Vivier, 2017/02/02
- Re: [Qemu-devel] [PULL 095/107] spapr: clock should count only if vm is running, Mark Cave-Ayland, 2017/02/02
- Re: [Qemu-devel] [PULL 095/107] spapr: clock should count only if vm is running, Laurent Vivier, 2017/02/07
- Re: [Qemu-devel] [PULL 095/107] spapr: clock should count only if vm is running, Mark Cave-Ayland, 2017/02/09
- Re: [Qemu-devel] [PULL 095/107] spapr: clock should count only if vm is running, Laurent Vivier, 2017/02/09
[Qemu-devel] [PULL 107/107] hw/ppc/pnv: Use error_report instead of hw_error if a ROM file can't be found, David Gibson, 2017/02/02
[Qemu-devel] [PULL 103/107] tcg/POWER9: NOOP the cp_abort instruction, David Gibson, 2017/02/02
[Qemu-devel] [PULL 106/107] ppc/kvm: Handle the "family" CPU via alias instead of registering new types, David Gibson, 2017/02/02
[Qemu-devel] [PULL 092/107] powerpc/cpu-models: rename ISAv3.00 logical PVR definition, David Gibson, 2017/02/02