From: Yang Zhong <yang.zhong@intel.com>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: yang.zhong@intel.com, kevin.tian@intel.com, seanjc@google.com,
jing2.liu@linux.intel.com, qemu-devel@nongnu.org,
wei.w.wang@intel.com, guang.zeng@intel.com
Subject: Re: [RFC PATCH 4/7] x86: Add XFD faulting bit for state components
Date: Fri, 21 Jan 2022 15:18:07 +0800 [thread overview]
Message-ID: <20220121071807.GC29921@yangzhon-Virtual> (raw)
In-Reply-To: <c494456b-42a7-d591-02e0-dbdeecf2c36b@redhat.com>
On Tue, Jan 18, 2022 at 01:52:51PM +0100, Paolo Bonzini wrote:
> On 1/7/22 10:31, Yang Zhong wrote:
> >- uint32_t need_align;
> >+ uint32_t need_align, support_xfd;
>
> These can be replaced by a single field "uint32_t ecx".
>
> You can add also macros like
>
> #define ESA_FEATURE_ALIGN64_BIT (1)
> #define ESA_FEATURE_XFD_BIT (2)
>
> to simplify access.
Thanks Paolo, this is a more simplified solution, thanks!
Yang
> Paolo
next prev parent reply other threads:[~2022-01-21 9:39 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-07 9:31 [RFC PATCH 0/7] AMX support in Qemu Yang Zhong
2022-01-07 9:31 ` [RFC PATCH 1/7] x86: Fix the 64-byte boundary enumeration for extended state Yang Zhong
2022-01-10 8:20 ` Tian, Kevin
2022-01-11 2:22 ` Yang Zhong
2022-01-18 12:37 ` Paolo Bonzini
2022-01-21 7:14 ` Yang Zhong
2022-01-07 9:31 ` [RFC PATCH 2/7] x86: Add AMX XTILECFG and XTILEDATA components Yang Zhong
2022-01-10 8:23 ` Tian, Kevin
2022-01-11 2:32 ` Yang Zhong
2022-01-18 12:39 ` Paolo Bonzini
2022-01-21 7:15 ` Yang Zhong
2022-01-07 9:31 ` [RFC PATCH 3/7] x86: Grant AMX permission for guest Yang Zhong
2022-01-10 8:36 ` Tian, Kevin
2022-01-11 6:46 ` Yang Zhong
2022-01-18 12:52 ` Paolo Bonzini
2022-01-18 13:06 ` Paolo Bonzini
2022-01-21 7:21 ` Yang Zhong
2022-01-07 9:31 ` [RFC PATCH 4/7] x86: Add XFD faulting bit for state components Yang Zhong
2022-01-10 8:38 ` Tian, Kevin
2022-01-11 5:32 ` Yang Zhong
2022-01-18 12:52 ` Paolo Bonzini
2022-01-21 7:18 ` Yang Zhong [this message]
2022-01-07 9:31 ` [RFC PATCH 5/7] x86: Add AMX CPUIDs enumeration Yang Zhong
2022-01-07 9:31 ` [RFC PATCH 6/7] x86: Use new XSAVE ioctls handling Yang Zhong
2022-01-10 8:40 ` Tian, Kevin
2022-01-10 9:47 ` Zeng Guang
2022-01-11 2:30 ` Tian, Kevin
2022-01-11 4:29 ` Zeng Guang
2022-01-12 2:51 ` Zeng Guang
2022-01-12 4:34 ` Wang, Wei W
2022-01-07 9:31 ` [RFC PATCH 7/7] x86: Support XFD and AMX xsave data migration Yang Zhong
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