From: Andrew Cooper <andrew.cooper3@citrix.com>
To: ludloff@gmail.com
Cc: Andrew Cooper <andrew.cooper3@citrix.com>,
bp@alien8.de, dave.hansen@linux.intel.com, hpa@zytor.com,
kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
mingo@kernel.org, pbonzini@redhat.com, seanjc@google.com,
tglx@kernel.org, x86@kernel.org, ubizjak@gmail.com
Subject: Re: [PATCH 1/2] KVM: VMX: Drop obsolete branch hint prefixes from inline asm
Date: Thu, 12 Feb 2026 16:18:14 +0000 [thread overview]
Message-ID: <03d63568-4c75-4600-9f7f-18e080cac169@citrix.com> (raw)
In-Reply-To: <CAKSQd8W3ijML2L6hPTR6+eFUh3bZXjrMjSsdbMaZrmpGTSFoOQ@mail.gmail.com>
On 12/02/2026 5:33 am, Christian Ludloff wrote:
> Andrew Cooper wrote:
>> The branch-taken hint has new meaning in Lion Cove cores and later,
>> along with a warning saying "performance penalty for misuse".
> Make that Redwood Cove. For details, see the
> Intel ORM Vol1 #248966-050 Section 2.1.1.1.
My apologies. The ORM is the source of truth here, and I clearly mixed
up the uarch.
~Andrew
next prev parent reply other threads:[~2026-02-12 16:18 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-12 5:33 Christian Ludloff
2026-02-12 16:18 ` Andrew Cooper [this message]
-- strict thread matches above, loose matches on Subject: below --
2026-02-11 10:28 Uros Bizjak
2026-02-11 10:57 ` Andrew Cooper
2026-02-11 13:36 ` Sean Christopherson
2026-02-11 13:43 ` David Laight
2026-02-11 13:55 ` Andrew Cooper
2026-02-11 15:44 ` Sean Christopherson
2026-02-11 16:11 ` Andrew Cooper
2026-02-11 16:17 ` Sean Christopherson
2026-02-11 16:46 ` Andrew Cooper
2026-02-11 16:49 ` Sean Christopherson
2026-02-11 21:35 ` David Laight
2026-03-05 17:08 ` Sean Christopherson
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