From: Andrew Cooper <andrew.cooper3@citrix.com>
To: Jan Beulich <jbeulich@suse.com>,
"xen-devel@lists.xenproject.org" <xen-devel@lists.xenproject.org>
Cc: "Roger Pau Monné" <roger.pau@citrix.com>
Subject: Re: [PATCH] x86emul: VCVT{,U}DQ2PD ignores embedded rounding
Date: Tue, 7 Jan 2025 14:41:08 +0000 [thread overview]
Message-ID: <7ea74155-8b86-43de-9e98-cfea071c1d99@citrix.com> (raw)
In-Reply-To: <238beefd-126a-4a2d-99de-dc5675c88ef6@suse.com>
On 07/01/2025 2:32 pm, Jan Beulich wrote:
> IOW we shouldn't raise #UD in that case. Be on the safe side though and
> only encode fully legitimate forms into the stub to be executed.
>
> Things weren't quite right for VCVT{,U}SI2SD either, in the attempt to
> be on the safe side: Clearing EVEX.L'L isn't useful; it's EVEX.b which
> primarily needs clearing. Also reflect the somewhat improved doc
> situation in the comment there.
>
> Fixes: ed806f373730 ("x86emul: support AVX512F legacy-equivalent packed int/FP conversion insns")
> Fixes: baf4a376f550 ("x86emul: support AVX512F legacy-equivalent scalar int/FP conversion insns")
> Signed-off-by: Jan Beulich <jbeulich@suse.com>
Acked-by: Andrew Cooper <andrew.cooper3@citrix.com>
prev parent reply other threads:[~2025-01-07 14:41 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-01-07 14:32 [PATCH] x86emul: VCVT{,U}DQ2PD ignores embedded rounding Jan Beulich
2025-01-07 14:41 ` Andrew Cooper [this message]
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