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[PR #95] [CLOSED] WHPX: vmware cpuid leaf for tsc and apic frequency #167

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opened 2026-01-31 21:30:05 +00:00 by claunia · 0 comments
claunia commented 2026-01-31 21:30:05 +00:00
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📋 Pull Request Information

Original PR: https://github.com/qemu/qemu/pull/95
Author: @sunilmut
Created: 7/28/2020
Status: ❌ Closed

Base: master ← Head: user/sunilmut/whpx_vmware_cpuid_freq

📝 Commits (1)

  • 81907d8 WHPX: vmware cpuid leaf for tsc and apic frequency

📊 Changes

2 files changed (+86 additions, -11 deletions)

View changed files

📝 target/i386/whp-dispatch.h (+2 -1)
📝 target/i386/whpx-all.c (+84 -10)

📄 Description

Newer versions of WHPX provide the capability to query the tsc
and apic frequency. Expose these through the vmware cpuid leaf.
This patch doesnt support setting the tsc frequency; that will
come as a separate fix.

Signed-off-by: Sunil Muthuswamy sunilmut@microsoft.com

🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.

## 📋 Pull Request Information **Original PR:** https://github.com/qemu/qemu/pull/95 **Author:** [@sunilmut](https://github.com/sunilmut) **Created:** 7/28/2020 **Status:** ❌ Closed **Base:** `master` ← **Head:** `user/sunilmut/whpx_vmware_cpuid_freq` --- ### 📝 Commits (1) - [`81907d8`](https://github.com/qemu/qemu/commit/81907d8ef6b1869c11d6043e0750e0a35da72d4c) WHPX: vmware cpuid leaf for tsc and apic frequency ### 📊 Changes **2 files changed** (+86 additions, -11 deletions) <details> <summary>View changed files</summary> 📝 `target/i386/whp-dispatch.h` (+2 -1) 📝 `target/i386/whpx-all.c` (+84 -10) </details> ### 📄 Description Newer versions of WHPX provide the capability to query the tsc and apic frequency. Expose these through the vmware cpuid leaf. This patch doesnt support setting the tsc frequency; that will come as a separate fix. Signed-off-by: Sunil Muthuswamy <sunilmut@microsoft.com> --- <sub>🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.</sub>
claunia added the pull-request label 2026-01-31 21:30:05 +00:00
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Reference: starred/qemu#167
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