From: Jan Kiszka <jan.kiszka@siemens.com>
To: Eduardo Habkost <ehabkost@redhat.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>,
Avi Kivity <avi@redhat.com>,
kvm@vger.kernel.org, qemu-devel@nongnu.org
Subject: Re: [PATCH v3] uq/master: Expose CPUID leaf 7 only for -cpu host
Date: Fri, 25 May 2012 11:42:00 -0300 [thread overview]
Message-ID: <4FBF9A38.1080001@siemens.com> (raw)
In-Reply-To: <20120525141205.GE8832@otherpad.lan.raisama.net>
On 2012-05-25 11:12, Eduardo Habkost wrote:
> diff --git a/target-i386/cpu.c b/target-i386/cpu.c
> index 65d9af6..91a657a 100644
> --- a/target-i386/cpu.c
> +++ b/target-i386/cpu.c
> @@ -238,6 +238,8 @@ typedef struct x86_def_t {
> /* Store the results of Centaur's CPUID instructions */
> uint32_t ext4_features;
> uint32_t xlevel2;
> + /* The feature bits on CPUID[EAX=7,ECX=0].EBX */
> + uint32_t cpuid_7_0_ebx_features;
> } x86_def_t;
>
> #define I486_FEATURES (CPUID_FP87 | CPUID_VME | CPUID_PSE)
> @@ -521,6 +523,12 @@ static int cpu_x86_fill_host(x86_def_t *x86_cpu_def)
> x86_cpu_def->ext_features = ecx;
> x86_cpu_def->features = edx;
>
> + if (kvm_enabled() && x86_cpu_def->level >= 7) {
> + x86_cpu_def->cpuid_7_0_ebx_features = kvm_arch_get_supported_cpuid(kvm_state, 0x7, 0, R_EBX);
checkpatch.pl?
Jan
--
Siemens AG, Corporate Technology, CT T DE IT 1
Corporate Competence Center Embedded Linux
WARNING: multiple messages have this Message-ID (diff)
From: Jan Kiszka <jan.kiszka@siemens.com>
To: Eduardo Habkost <ehabkost@redhat.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>,
Avi Kivity <avi@redhat.com>,
kvm@vger.kernel.org, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH v3] uq/master: Expose CPUID leaf 7 only for -cpu host
Date: Fri, 25 May 2012 11:42:00 -0300 [thread overview]
Message-ID: <4FBF9A38.1080001@siemens.com> (raw)
In-Reply-To: <20120525141205.GE8832@otherpad.lan.raisama.net>
On 2012-05-25 11:12, Eduardo Habkost wrote:
> diff --git a/target-i386/cpu.c b/target-i386/cpu.c
> index 65d9af6..91a657a 100644
> --- a/target-i386/cpu.c
> +++ b/target-i386/cpu.c
> @@ -238,6 +238,8 @@ typedef struct x86_def_t {
> /* Store the results of Centaur's CPUID instructions */
> uint32_t ext4_features;
> uint32_t xlevel2;
> + /* The feature bits on CPUID[EAX=7,ECX=0].EBX */
> + uint32_t cpuid_7_0_ebx_features;
> } x86_def_t;
>
> #define I486_FEATURES (CPUID_FP87 | CPUID_VME | CPUID_PSE)
> @@ -521,6 +523,12 @@ static int cpu_x86_fill_host(x86_def_t *x86_cpu_def)
> x86_cpu_def->ext_features = ecx;
> x86_cpu_def->features = edx;
>
> + if (kvm_enabled() && x86_cpu_def->level >= 7) {
> + x86_cpu_def->cpuid_7_0_ebx_features = kvm_arch_get_supported_cpuid(kvm_state, 0x7, 0, R_EBX);
checkpatch.pl?
Jan
--
Siemens AG, Corporate Technology, CT T DE IT 1
Corporate Competence Center Embedded Linux
next prev parent reply other threads:[~2012-05-25 14:42 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-25 14:12 [PATCH v3] uq/master: Expose CPUID leaf 7 only for -cpu host Eduardo Habkost
2012-05-25 14:12 ` [Qemu-devel] " Eduardo Habkost
2012-05-25 14:42 ` Jan Kiszka [this message]
2012-05-25 14:42 ` Jan Kiszka
2012-05-25 14:56 ` Eduardo Habkost
2012-05-25 14:56 ` [Qemu-devel] " Eduardo Habkost
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