On 7/16/2024 9:10 AM, Zhao Liu wrote:
> kvm_install_msr_filters() uses KVM_MSR_FILTER_MAX_RANGES as the bound
> when traversing msr_handlers[], while other places still compute the
> size by ARRAY_SIZE(msr_handlers).
>
> In fact, msr_handlers[] is an array with the fixed size
> KVM_MSR_FILTER_M
On 7/16/2024 9:10 AM, Zhao Liu wrote:
> Currently, there're following incorrect error handling cases in
> kvm_arch_init():
> * Missed to handle failure of kvm_get_supported_feature_msrs().
> * Missed to return when KVM_CAP_X86_DISABLE_EXITS enabling fails.
> * MSR filter related cases called exi
On 7/16/2024 9:10 AM, Zhao Liu wrote:
> At present, the error code of MSR filter enablement attempts to print in
> error_report().
>
> Unfortunately, this behavior doesn't work because the MSR filter-related
> functions return the boolean and current error_report() use the wrong
> return value.
On 7/16/2024 9:10 AM, Zhao Liu wrote:
> MSR_KVM_SYSTEM_TIME_NEW and MSR_KVM_WALL_CLOCK_NEW are bound to
> kvmclock2 (KVM_FEATURE_CLOCKSOURCE2).
>
> Add the save/load support for these 2 MSRs just like kvmclock MSRs.
>
> Signed-off-by: Zhao Liu
Reviewed-by: Zide Chen
> ---
> target/i386/cp
On 7/16/2024 9:10 AM, Zhao Liu wrote:
> The KVM_X86_DISABLE_EXITS_HTL typo has been fixed in commit
> 77d361b13c19 ("linux-headers: Update to kernel mainline commit
> b357bf602").
>
> Drop the related workaround.
>
> Signed-off-by: Zhao Liu
Reviewed-by: Zide Chen
> ---
> target/i386/kvm/k
On 7/16/2024 9:10 AM, Zhao Liu wrote:
> MSR_KVM_SYSTEM_TIME and MSR_KVM_WALL_CLOCK are attached with the (old)
> kvmclock feature (KVM_FEATURE_CLOCKSOURCE).
>
> So, just save/load them only when kvmclock (KVM_FEATURE_CLOCKSOURCE) is
> enabled.
>
> Signed-off-by: Zhao Liu
Reviewed-by: Zide C
On 7/16/2024 9:10 AM, Zhao Liu wrote:
> Add feature definitions for KVM_CPUID_FEATURES in CPUID (
> CPUID[4000_0001].EAX and CPUID[4000_0001].EDX), to get rid of lots of
> offset calculations.
>
> Signed-off-by: Zhao Liu
Reviewed-by: zide.c...@intel.com
> ---
> v3: Resolved a rebasing confl
On 7/16/2024 9:10 AM, Zhao Liu wrote:
> These 2 MSRs have been already defined in kvm_para.h (standard-headers/
> asm-x86/kvm_para.h).
>
> Remove QEMU local definitions to avoid duplication.
>
> Reviewed-by: Xiaoyao Li
> Signed-off-by: Zhao Liu
Reviewed-by: zide.c...@intel.com
> ---
> ta
On 7/14/2024 9:49 PM, Zhao Liu wrote:
> @@ -5274,13 +5272,13 @@ void kvm_arch_update_guest_debug(CPUState *cpu,
> struct kvm_guest_debug *dbg)
> }
> }
>
> -static bool kvm_install_msr_filters(KVMState *s)
> +static int kvm_install_msr_filters(KVMState *s)
> {
> uint64_t zero = 0;
On 6/5/2024 6:49 AM, Igor Mammedov wrote:
> On Mon, 3 Jun 2024 17:02:20 -0700
> Zide Chen wrote:
>
>> Currently, if running "-overcommit cpu-pm=on" on hosts that don't
>> have MWAIT support, the MWAIT/MONITOR feature is advertised to the
>> guest and executing MWAIT/MONITOR on the guest trigg
On 6/5/2024 8:07 AM, Igor Mammedov wrote:
> On Mon, 3 Jun 2024 14:29:50 -0700
> "Chen, Zide" wrote:
>
>> On 6/3/2024 2:30 AM, Igor Mammedov wrote:
>>> On Sat, 1 Jun 2024 23:26:55 +0800
>>> Zhao Liu wrote:
>>>
>>>> On Fri,
On 6/3/2024 2:30 AM, Igor Mammedov wrote:
> On Sat, 1 Jun 2024 23:26:55 +0800
> Zhao Liu wrote:
>
>> On Fri, May 31, 2024 at 10:13:47AM -0700, Chen, Zide wrote:
>>> Date: Fri, 31 May 2024 10:13:47 -0700
>>> From: "Chen, Zide"
>&g
On 6/1/2024 8:26 AM, Zhao Liu wrote:
> On Fri, May 31, 2024 at 10:13:47AM -0700, Chen, Zide wrote:
>> Date: Fri, 31 May 2024 10:13:47 -0700
>> From: "Chen, Zide"
>> Subject: Re: [PATCH V2 2/3] target/i386: call cpu_exec_realizefn before
>> x86_cpu_filter
On 5/30/2024 11:30 PM, Zhao Liu wrote:
> Hi Zide,
>
> On Fri, May 24, 2024 at 01:00:16PM -0700, Zide Chen wrote:
>> Date: Fri, 24 May 2024 13:00:16 -0700
>> From: Zide Chen
>> Subject: [PATCH V2 2/3] target/i386: call cpu_exec_realizefn before
>> x86_cpu_filter_features
>> X-Mailer: git-send-
On 5/30/2024 11:53 PM, Zhao Liu wrote:
> On Fri, May 24, 2024 at 01:00:17PM -0700, Zide Chen wrote:
>> Date: Fri, 24 May 2024 13:00:17 -0700
>> From: Zide Chen
>> Subject: [PATCH V2 3/3] target/i386: Move host_cpu_enable_cpu_pm into
>> kvm_cpu_realizefn()
>> X-Mailer: git-send-email 2.34.1
>>
On 5/30/2024 6:54 AM, Zhao Liu wrote:
> Hi Zide,
>
> On Wed, May 29, 2024 at 10:31:21AM -0700, Chen, Zide wrote:
>> Date: Wed, 29 May 2024 10:31:21 -0700
>> From: "Chen, Zide"
>> Subject: Re: [PATCH V2 0/3] improve -overcommit cpu-pm=on|off
>>
&
On 5/29/2024 5:46 AM, Igor Mammedov wrote:
> On Tue, 28 May 2024 11:16:59 -0700
> "Chen, Zide" wrote:
>
>> On 5/28/2024 2:23 AM, Igor Mammedov wrote:
>>> On Fri, 24 May 2024 13:00:14 -0700
>>> Zide Chen wrote:
>>>
>>>> C
On 5/28/2024 2:23 AM, Igor Mammedov wrote:
> On Fri, 24 May 2024 13:00:14 -0700
> Zide Chen wrote:
>
>> Currently, if running "-overcommit cpu-pm=on" on hosts that don't
>> have MWAIT support, the MWAIT/MONITOR feature is advertised to the
>> guest and executing MWAIT/MONITOR on the guest trig
On 5/20/2024 10:16 PM, Thomas Huth wrote:
> On 21/05/2024 07.08, Thomas Huth wrote:
>> On 20/05/2024 19.47, Zide Chen wrote:
>>> Both cpu-pm and mem-lock are related to system resource overcommit, but
>>> they are separate from each other, in terms of how they are realized,
>>> and of course, th
On 5/20/2024 10:16 PM, Thomas Huth wrote:
> On 21/05/2024 07.08, Thomas Huth wrote:
>> On 20/05/2024 19.47, Zide Chen wrote:
>>> Both cpu-pm and mem-lock are related to system resource overcommit, but
>>> they are separate from each other, in terms of how they are realized,
>>> and of course, th
On 5/20/2024 10:16 PM, Thomas Huth wrote:
> On 21/05/2024 07.08, Thomas Huth wrote:
>> On 20/05/2024 19.47, Zide Chen wrote:
>>> Both cpu-pm and mem-lock are related to system resource overcommit, but
>>> they are separate from each other, in terms of how they are realized,
>>> and of course, th
On 4/26/2024 3:07 AM, Zhao Liu wrote:
> Add feature definiations for KVM_CPUID_FEATURES in CPUID (
> CPUID[4000_0001].EAX and CPUID[4000_0001].EDX), to get rid of lots of
> offset calculations.
>
> Signed-off-by: Zhao Liu
> ---
> v2: Changed the prefix from CPUID_FEAT_KVM_* to CPUID_KVM_*. (Xi
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