On 24/07/19 14:05, Jing Liu wrote:
>
> Thanks very much. So would you like me to update the patch with v2 now?
Yes, please.
Paolo
On 7/22/2019 7:50 PM, Paolo Bonzini wrote:
On 22/07/19 04:59, Jing Liu wrote:
On 7/19/2019 4:10 PM, Paolo Bonzini wrote:
On 19/07/19 09:20, Jing Liu wrote:
Then CPUID[7,0].EAX is set automatically to 0 or 1 depending on whether
BF16 is enabled or not.
Could I ask why don't we directly c
On 22/07/19 04:59, Jing Liu wrote:
>
>
> On 7/19/2019 4:10 PM, Paolo Bonzini wrote:
>> On 19/07/19 09:20, Jing Liu wrote:
Then CPUID[7,0].EAX is set automatically to 0 or 1 depending on whether
BF16 is enabled or not.
>>>
>>> Could I ask why don't we directly check BF16 enabling when
>>
On 7/19/2019 4:10 PM, Paolo Bonzini wrote:
On 19/07/19 09:20, Jing Liu wrote:
Then CPUID[7,0].EAX is set automatically to 0 or 1 depending on whether
BF16 is enabled or not.
Could I ask why don't we directly check BF16 enabling when
cpu_x86_cpuid(env, 7, 0, ...) during kvm_arch_init_vcpu ?
On 19/07/19 09:20, Jing Liu wrote:
>> Then CPUID[7,0].EAX is set automatically to 0 or 1 depending on whether
>> BF16 is enabled or not.
>
> Could I ask why don't we directly check BF16 enabling when
> cpu_x86_cpuid(env, 7, 0, ...) during kvm_arch_init_vcpu ?
Because the code for setting CPUID is
On 7/18/2019 4:15 PM, Paolo Bonzini wrote:
On 18/07/19 06:55, Jing Liu wrote:
+ *eax = kvm_arch_get_supported_cpuid(cs->kvm_state, 0x7,
+ count, R_EAX);
This needs to be firstly checked as follows, otherwise some
architectures would
On 18/07/19 06:55, Jing Liu wrote:
>>
>> + *eax = kvm_arch_get_supported_cpuid(cs->kvm_state, 0x7,
>> + count, R_EAX);
> This needs to be firstly checked as follows, otherwise some
> architectures would fail to compile.
>
> What about hvf a
On 7/11/2019 1:38 PM, Jing Liu wrote:
Intel CooperLake cpu adds AVX512_BF16 instruction, defining as
CPUID.(EAX=7,ECX=1):EAX[bit 05].
The release spec link as follows,
https://software.intel.com/sites/default/files/managed/c5/15/\
architecture-instruction-set-extensions-programming-reference.
Patchew URL:
https://patchew.org/QEMU/1562823509-13072-1-git-send-email-jing2@linux.intel.com/
Hi,
This series failed build test on s390x host. Please find the details below.
=== TEST SCRIPT BEGIN ===
#!/bin/bash
# Testing script will be invoked under the git checkout with
# HEAD pointing
Intel CooperLake cpu adds AVX512_BF16 instruction, defining as
CPUID.(EAX=7,ECX=1):EAX[bit 05].
The release spec link as follows,
https://software.intel.com/sites/default/files/managed/c5/15/\
architecture-instruction-set-extensions-programming-reference.pdf
Signed-off-by: Jing Liu
---
target/i
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