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AJvYcCWog8Ym4OQJJpRVqGd0l/msZQKvln5o3z2JEMWWA+eREkziYhcAB4fsSr0DUvg9TvIWS+Yt6F3RXgg6iFw=@vger.kernel.org X-Gm-Message-State: AOJu0YwZKf12mfysIJeOaHI9PMelM4LVYtY9A1cWqUebOa5a1kFIJJkA 3N5ISOfb0yC6ap7BPFb/2yLQuT25INSThlWAjcNPjJtUrRuvq50v51bcb8Lpl7zPp2SFsJODfl1 GOj0CLg== X-Google-Smtp-Source: AGHT+IFgmKsprpaGDjxSOAFPcgtylxDFAlGJWR3zzYK2eH1W43TjKeWbEuCfuwWXukUdHLsJ/AaSlcsX4NnQ X-Received: from plj11.prod.google.com ([2002:a17:902:c14b:b0:21f:651b:6fd6]) (user=afranji job=prod-delivery.src-stubby-dispatcher) by 2002:a17:902:d2c9:b0:216:7926:8d69 with SMTP id d9443c01a7336-22780e26127mr200986085ad.47.1742842441044; Mon, 24 Mar 2025 11:54:01 -0700 (PDT) Date: Mon, 24 Mar 2025 18:53:53 +0000 In-Reply-To: <20250228014416.3925664-1-vannapurve@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250228014416.3925664-1-vannapurve@google.com> X-Mailer: git-send-email 2.49.0.395.g12beb8f557-goog Message-ID: <20250324185353.1974105-1-afranji@google.com> Subject: Re: [PATCH v7 0/3] x86/tdx: Fix HLT logic execution for TDX VMs From: Ryan Afranji To: vannapurve@google.com Cc: ackerleytng@google.com, afranji@google.com, ajay.kaher@broadcom.com, ak@linux.intel.com, bcm-kernel-feedback-list@broadcom.com, bp@alien8.de, chao.p.peng@linux.intel.com, dave.hansen@linux.intel.com, erdemaktas@google.com, hpa@zytor.com, isaku.yamahata@gmail.com, jgross@suse.com, jikos@kernel.org, jxgao@google.com, kai.huang@intel.com, kees@kernel.org, kirill.shutemov@linux.intel.com, linux-coco@lists.linux.dev, linux-kernel@vger.kernel.org, mingo@redhat.com, pbonzini@redhat.com, peterz@infradead.org, sagis@google.com, sathyanarayanan.kuppuswamy@linux.intel.com, seanjc@google.com, tglx@linutronix.de, thomas.lendacky@amd.com, tony.luck@intel.com, virtualization@lists.linux.dev, x86@kernel.org Content-Type: text/plain; charset="UTF-8" Tested with the specjbb2015 benchmark. It has heavy lock contention which leads to many halt calls. TDX VMs suffered a poor score before this patchset. Verified the major performance improvement with this patchset applied. Tested-by: Ryan Afranji