vmware hypervisor interface · Supported

Maintainers

• M Ajay Kaher <ajay.kaher@broadcom.com>
• M Alexey Makhalov <alexey.makhalov@broadcom.com>
• R Broadcom internal kernel review list <bcm-kernel-feedback-list@broadcom.com>

Paths

• F arch/x86/include/asm/vmware.h
• F arch/x86/kernel/cpu/vmware.c

Last 30 days

Most active threads (last 7 days)

• COOLING5d [PATCH v1 0/4] x86/vmware: Preserve panic diagnostics in vmware.log
  2026-09-08 18:07 · 4 replies in 7d · Zack Rusin <zack.rusin@broadcom.com>

Active reviewers (last 30 days)

• Alexey Makhalov <alexey.makhalov@broadcom.com>
  2 attestations (2 Co-developed-by) · last on 2026-09-08
• Brennan Lamoreaux <hidden>
  1 attestation (1 Co-developed-by) · last on 2026-09-08
• Bo Gan <hidden>
  1 attestation (1 Co-developed-by) · last on 2026-09-08
• Juergen Gross <jgross@suse.com>
  1 attestation (1 Acked-by) · last on 2026-08-19

Recent patches

Most-recent 30 patches in this subsystem on virtualization (capped at 30), ordered by date desc.

• COOLING5d [PATCH v1 4/4] x86/vmware: Run panic diagnostics before kdump by default
  2026-09-08 · Zack Rusin <zack.rusin@broadcom.com>
• COOLING5d [PATCH v1 3/4] x86/vmware: Report guest crashes after kmsg dumpers
  2026-09-08 · Zack Rusin <zack.rusin@broadcom.com>
• COOLING5d [PATCH v1 2/4] x86/vmware: Add the vmware_record_panic_msg sysctl
  2026-09-08 · Zack Rusin <zack.rusin@broadcom.com>
• COOLING5d [PATCH v1 1/4] x86/vmware: Add a bounded panic log sender
  2026-09-08 · Zack Rusin <zack.rusin@broadcom.com>
• COOLING11d [PATCH v1] x86/vmware: Fix i386 high-bandwidth hypercall arguments
  2026-09-03 · Zack Rusin <zack.rusin@broadcom.com>
• COOLING13d REVIEWED: 7 (7M) [PATCH RESEND] sched: Convert paravirt_steal to new static key APIs
  2026-08-19 · Hongyan Xia <hidden>
• COOLING4d REVIEWED: 2 (0M) [PATCH v6 36/51] x86/paravirt: Pass sched_clock save/restore helpers during registration
  2026-08-06 · Sean Christopherson <seanjc@google.com>
• COOLING4d REVIEWED: 1 (0M) [PATCH v6 34/51] x86/vmware: NOP-ify save/restore hooks when using VMware's sched_clock
  2026-08-06 · Sean Christopherson <seanjc@google.com>
• COOLING4d REVIEWED: 1 (0M) [PATCH v6 14/51] x86/tsc: Consolidate forcing of X86_FEATURE_TSC_KNOWN_FREQ for PV code
  2026-08-06 · Sean Christopherson <seanjc@google.com>
• COOLING4d REVIEWED: 1 (0M) [PATCH v6 11/51] x86/tsc: Add dedicated hypervisor hooks for getting known TSC/CPU frequencies
  2026-08-06 · Sean Christopherson <seanjc@google.com>
• COOLING4d [PATCH v6 02/51] x86/apic: Add CONFIG_X86_LOCAL_APIC=n stubs for APIC timer frequency APIs
  2026-08-06 · Sean Christopherson <seanjc@google.com>
• COOLING4d [PATCH v6 01/51] x86/apic: Provide helpers to set local APIC timer frequency in hz and khz
  2026-08-06 · Sean Christopherson <seanjc@google.com>
• COLD55d [PATCH 2/3] sched: Convert paravirt_steal to new static key APIs
  2026-07-20 · Hongyan Xia <hidden>
• DORMANTno replies [PATCH] x86/vmware: mark RDI and RSI clobbered in hypercall1
  2026-07-08 · Guangshuo Li <hidden>
• COLD39d REVIEWED: 1 (0M) [PATCH v5 36/51] x86/paravirt: Pass sched_clock save/restore helpers during registration
  2026-07-01 · Sean Christopherson <seanjc@google.com>
• COLD39d REVIEWED: 1 (0M) [PATCH v5 34/51] x86/vmware: NOP-ify save/restore hooks when using VMware's sched_clock
  2026-07-01 · Sean Christopherson <seanjc@google.com>
• COLD39d [PATCH v5 14/51] x86/tsc: Consolidate forcing of X86_FEATURE_TSC_KNOWN_FREQ for PV code
  2026-07-01 · Sean Christopherson <seanjc@google.com>
• COLD39d [PATCH v5 11/51] x86/tsc: Add dedicated hypervisor hooks for getting known TSC/CPU frequencies
  2026-07-01 · Sean Christopherson <seanjc@google.com>
• COLD39d [PATCH v5 02/51] x86/apic: Add CONFIG_X86_LOCAL_APIC=n stubs for apic_set_timer_period_{,k}hz()
  2026-07-01 · Sean Christopherson <seanjc@google.com>
• COLD39d [PATCH v5 01/51] x86/apic: Provide helpers to set local APIC timer period in hz and khz
  2026-07-01 · Sean Christopherson <seanjc@google.com>
• STALE97d REVIEWED: 1 (0M) [PATCH v4 33/47] x86/paravirt: Pass sched_clock save/restore helpers during registration
  2026-05-29 · Sean Christopherson <seanjc@google.com>
• STALE97d [PATCH v4 31/47] x86/vmware: NOP-ify save/restore hooks when using VMware's sched_clock
  2026-05-29 · Sean Christopherson <seanjc@google.com>
• STALE97d [PATCH v4 10/47] x86/tsc: Consolidate forcing of X86_FEATURE_TSC_KNOWN_FREQ for PV code
  2026-05-29 · Sean Christopherson <seanjc@google.com>
• STALE97d [PATCH v4 08/47] x86/tsc: Add dedicated hypervisor hooks for getting known TSC/CPU frequencies
  2026-05-29 · Sean Christopherson <seanjc@google.com>
• STALE110d REVIEWED: 2 (0M) [PATCH v3 31/41] x86/tsc: Pass KNOWN_FREQ and RELIABLE as params to registration
  2026-05-15 · Sean Christopherson <seanjc@google.com>
• STALE110d [PATCH v3 18/41] x86/paravirt: Pass sched_clock save/restore helpers during registration
  2026-05-15 · Sean Christopherson <seanjc@google.com>
• STALE110d [PATCH v3 16/41] x86/vmware: Nullify save/restore hooks when using VMware's sched_clock
  2026-05-15 · Sean Christopherson <seanjc@google.com>
• STALE110d REVIEWED: 2 (0M) [PATCH v3 02/41] x86/tsc: Add helper to register CPU and TSC freq calibration routines
  2026-05-15 · Sean Christopherson <seanjc@google.com>
• STALE119d [PATCH v2 4/4] x86/vmware: Support steal time clock for encrypted guests
  2026-03-10 · Alexey Makhalov <alexey.makhalov@broadcom.com>
• STALE119d [PATCH v2 3/4] x86/vmware: Report guest crash to the hypervisor
  2026-03-10 · Alexey Makhalov <alexey.makhalov@broadcom.com>

Needs attention (review trailers in, no pickup)

Patches with review trailers that haven't landed in mainline and haven't been Acked by a maintainer. Oldest first.

• STALE110d REVIEWED: 2 (0M) [PATCH v3 02/41] x86/tsc: Add helper to register CPU and TSC freq calibration routines
  2026-05-15 · Sean Christopherson <seanjc@google.com> · 1 Reviewed-by, 1 Tested-by
• STALE97d REVIEWED: 1 (0M) [PATCH v4 33/47] x86/paravirt: Pass sched_clock save/restore helpers during registration
  2026-05-29 · Sean Christopherson <seanjc@google.com> · 1 Reviewed-by
• COLD39d REVIEWED: 1 (0M) [PATCH v5 34/51] x86/vmware: NOP-ify save/restore hooks when using VMware's sched_clock
  2026-07-01 · Sean Christopherson <seanjc@google.com> · 1 Reviewed-by
• COLD39d REVIEWED: 1 (0M) [PATCH v5 36/51] x86/paravirt: Pass sched_clock save/restore helpers during registration
  2026-07-01 · Sean Christopherson <seanjc@google.com> · 1 Reviewed-by
• COOLING4d REVIEWED: 1 (0M) [PATCH v6 11/51] x86/tsc: Add dedicated hypervisor hooks for getting known TSC/CPU frequencies
  2026-08-06 · Sean Christopherson <seanjc@google.com> · 1 Reviewed-by
• COOLING4d REVIEWED: 1 (0M) [PATCH v6 14/51] x86/tsc: Consolidate forcing of X86_FEATURE_TSC_KNOWN_FREQ for PV code
  2026-08-06 · Sean Christopherson <seanjc@google.com> · 1 Reviewed-by
• COOLING4d REVIEWED: 1 (0M) [PATCH v6 34/51] x86/vmware: NOP-ify save/restore hooks when using VMware's sched_clock
  2026-08-06 · Sean Christopherson <seanjc@google.com> · 1 Reviewed-by
• COOLING4d REVIEWED: 2 (0M) [PATCH v6 36/51] x86/paravirt: Pass sched_clock save/restore helpers during registration
  2026-08-06 · Sean Christopherson <seanjc@google.com> · 2 Reviewed-by

Quiet for 30+ days

Patches with no review trailers and no replies. Either the author is heads-down elsewhere or these slipped through. Oldest first.

• DORMANTno replies [PATCH] x86/vmware: mark RDI and RSI clobbered in hypercall1
  2026-07-08 · Guangshuo Li <hidden>