From: Keith Busch <kbusch@kernel.org>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: linux-kernel@vger.kernel.org, kvm@vger.kernel.org,
chang.seok.bae@intel.com
Subject: Re: [PATCH 00/10] KVM: emulate: enable AVX moves
Date: Thu, 13 Nov 2025 19:51:32 -0500 [thread overview]
Message-ID: <aRZ9FHvDXmDJ-K39@kbusch-mbp> (raw)
In-Reply-To: <20251114003633.60689-1-pbonzini@redhat.com>
On Thu, Nov 13, 2025 at 07:36:23PM -0500, Paolo Bonzini wrote:
> Over a year ago, Keith Busch posted an RFC patch to enable VMOVDQA
> and VMOVDQU instructions in the KVM emulator. The reason to do so
> is that people are using QEMU to emulate fancy devices whose drivers
> use those instructions with BARs that, on real hardware, would
> presumably support write combining. These same people obviously
> would appreciate being able to use KVM instead of emulation, hence
> the request.
Thanks so much! We do still use this, so I'm happy to see this moving. I
know it's been some time in the making, but I can appreciate this is
pretty gnarly and the details are important. I will be happy to give
this a run through the emulation devices, though it may be another week
or so before I can give it a spin.
next prev parent reply other threads:[~2025-11-14 0:51 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-14 0:36 [PATCH 00/10] KVM: emulate: enable AVX moves Paolo Bonzini
2025-11-14 0:36 ` [PATCH 01/10] KVM: emulate: add MOVNTDQA Paolo Bonzini
2025-11-14 0:36 ` [PATCH 02/10] KVM: emulate: move Src2Shift up one bit Paolo Bonzini
2025-11-17 19:51 ` Chang S. Bae
2025-11-14 0:36 ` [PATCH 03/10] KVM: emulate: improve formatting of flags table Paolo Bonzini
2025-11-17 19:53 ` Chang S. Bae
2025-11-14 0:36 ` [PATCH 04/10] KVM: emulate: move op_prefix to struct x86_emulate_ctxt Paolo Bonzini
2025-11-17 19:54 ` Chang S. Bae
2025-11-14 0:36 ` [PATCH 05/10] KVM: emulate: share common register decoding code Paolo Bonzini
2025-11-17 19:55 ` Chang S. Bae
2025-11-14 0:36 ` [PATCH 06/10] KVM: emulate: add get_xcr callback Paolo Bonzini
2025-11-17 19:56 ` Chang S. Bae
2025-11-14 0:36 ` [PATCH 07/10] KVM: emulate: add AVX support to register fetch and writeback Paolo Bonzini
2025-11-14 17:06 ` kernel test robot
2025-11-14 20:10 ` kernel test robot
2025-11-14 0:36 ` [PATCH 08/10] KVM: x86: Refactor REX prefix handling in instruction emulation Paolo Bonzini
2025-11-17 19:56 ` Chang S. Bae
2025-11-14 0:36 ` [PATCH 09/10] KVM: emulate: decode VEX prefix Paolo Bonzini
2025-11-14 0:36 ` [PATCH 10/10] KVM: emulate: enable AVX moves Paolo Bonzini
2025-11-14 0:51 ` Keith Busch [this message]
2025-11-17 19:57 ` [PATCH 00/10] " Chang S. Bae
2025-11-21 18:55 ` Sean Christopherson
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