[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [PATCH v2] vl.c: prohibit simultaneous use of -icount w
From: |
Andreas Färber |
Subject: |
Re: [Qemu-devel] [PATCH v2] vl.c: prohibit simultaneous use of -icount with kvm or xen |
Date: |
Wed, 22 Aug 2012 18:51:54 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:14.0) Gecko/20120713 Thunderbird/14.0 |
Am 11.11.2011 20:45, schrieb Anthony Liguori:
> On 11/10/2011 05:38 AM, Max Filippov wrote:
>> With -icount, The vm_clock is updated with help from TCG (it counts
>> instructions at 2^ICOUNT ns/instructions). With KVM, the instruction
>> count is not available so KVM cannot provide this help.
>>
>> Signed-off-by: Max Filippov<address@hidden>
>> Acked-by: Paolo Bonzini<address@hidden>
>
> Applied. Thanks.
Applied to stable-0.15. Thanks,
Andreas
> Regards,
>
> Anthony Liguori
>
>> ---
>> v1 -> v2 changes:
>> - cover both kvm and xen;
>> - add explanation text.
>> ---
>> vl.c | 5 +++++
>> 1 files changed, 5 insertions(+), 0 deletions(-)
>>
>> diff --git a/vl.c b/vl.c
>> index f169aac..bb601e2 100644
>> --- a/vl.c
>> +++ b/vl.c
>> @@ -3226,6 +3226,11 @@ int main(int argc, char **argv, char **envp)
>> fprintf(stderr, "could not initialize alarm timer\n");
>> exit(1);
>> }
>> +
>> + if (icount_option&& (kvm_enabled() || xen_enabled())) {
>> + fprintf(stderr, "-icount is not allowed with kvm or xen\n");
>> + exit(1);
>> + }
>> configure_icount(icount_option);
>>
>> if (net_init_clients()< 0) {
--
SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg, Germany
GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer; HRB 16746 AG Nürnberg
[Prev in Thread] |
Current Thread |
[Next in Thread] |
- Re: [Qemu-devel] [PATCH v2] vl.c: prohibit simultaneous use of -icount with kvm or xen,
Andreas Färber <=