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From: Sean Christopherson <seanjc@google.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: x86@kernel.org, kys@microsoft.com, haiyangz@microsoft.com,
	 wei.liu@kernel.org, decui@microsoft.com, tglx@linutronix.de,
	mingo@redhat.com,  bp@alien8.de, dave.hansen@linux.intel.com,
	hpa@zytor.com, pbonzini@redhat.com,  ardb@kernel.org,
	kees@kernel.org, Arnd Bergmann <arnd@arndb.de>,
	 gregkh@linuxfoundation.org, jpoimboe@kernel.org,
	linux-hyperv@vger.kernel.org,  linux-kernel@vger.kernel.org,
	kvm@vger.kernel.org, linux-efi@vger.kernel.org,
	 samitolvanen@google.com, ojeda@kernel.org
Subject: Re: [PATCH v3 16/16] objtool: Validate kCFI calls
Date: Thu, 24 Jul 2025 13:37:49 -0700	[thread overview]
Message-ID: <aIKZnSuTXn9thrf7@google.com> (raw)
In-Reply-To: <20250714103441.496787279@infradead.org>

On Mon, Jul 14, 2025, Peter Zijlstra wrote:
> --- a/arch/x86/kvm/vmx/vmenter.S
> +++ b/arch/x86/kvm/vmx/vmenter.S
> @@ -361,6 +361,10 @@ SYM_FUNC_END(vmread_error_trampoline)
>  
>  .section .text, "ax"
>  
> +#ifndef CONFIG_X86_FRED
> +
>  SYM_FUNC_START(vmx_do_interrupt_irqoff)
>  	VMX_DO_EVENT_IRQOFF CALL_NOSPEC _ASM_ARG1
>  SYM_FUNC_END(vmx_do_interrupt_irqoff)
> +
> +#endif

This can go in the previous patch, "x86/fred: KVM: VMX: Always use FRED for IRQs
when CONFIG_X86_FRED=y".

  parent reply	other threads:[~2025-07-24 20:37 UTC|newest]

Thread overview: 52+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-07-14 10:20 [PATCH v3 00/16] objtool: Detect and warn about indirect calls in __nocfi functions Peter Zijlstra
2025-07-14 10:20 ` [PATCH v3 01/16] x86/kvm/emulate: Implement test_cc() in C Peter Zijlstra
2025-08-20  9:39   ` [tip: x86/core] KVM: x86: " tip-bot2 for Peter Zijlstra
2025-07-14 10:20 ` [PATCH v3 02/16] x86/kvm/emulate: Introduce EM_ASM_1 Peter Zijlstra
2025-08-20  9:39   ` [tip: x86/core] KVM: x86: " tip-bot2 for Peter Zijlstra
2025-07-14 10:20 ` [PATCH v3 03/16] x86/kvm/emulate: Introduce EM_ASM_2 Peter Zijlstra
2025-08-20  9:39   ` [tip: x86/core] KVM: x86: " tip-bot2 for Peter Zijlstra
2025-07-14 10:20 ` [PATCH v3 04/16] x86/kvm/emulate: Introduce EM_ASM_2R Peter Zijlstra
2025-08-20  9:39   ` [tip: x86/core] KVM: x86: " tip-bot2 for Peter Zijlstra
2025-07-14 10:20 ` [PATCH v3 05/16] x86/kvm/emulate: Introduce EM_ASM_2W Peter Zijlstra
2025-08-20  9:39   ` [tip: x86/core] KVM: x86: " tip-bot2 for Peter Zijlstra
2025-07-14 10:20 ` [PATCH v3 06/16] x86/kvm/emulate: Introduce EM_ASM_2CL Peter Zijlstra
2025-08-20  9:39   ` [tip: x86/core] KVM: x86: " tip-bot2 for Peter Zijlstra
2025-07-14 10:20 ` [PATCH v3 07/16] x86/kvm/emulate: Introduce EM_ASM_1SRC2 Peter Zijlstra
2025-07-24  0:16   ` Sean Christopherson
2025-08-18 10:37     ` Peter Zijlstra
2025-08-20  9:39   ` [tip: x86/core] KVM: x86: " tip-bot2 for Peter Zijlstra
2025-07-14 10:20 ` [PATCH v3 08/16] x86/kvm/emulate: Introduce EM_ASM_3WCL Peter Zijlstra
2025-08-20  9:39   ` [tip: x86/core] KVM: x86: " tip-bot2 for Peter Zijlstra
2025-07-14 10:20 ` [PATCH v3 09/16] x86/kvm/emulate: Convert em_salc() to C Peter Zijlstra
2025-08-20  9:39   ` [tip: x86/core] KVM: x86: " tip-bot2 for Peter Zijlstra
2025-07-14 10:20 ` [PATCH v3 10/16] x86/kvm/emulate: Remove fastops Peter Zijlstra
2025-08-20  9:39   ` [tip: x86/core] KVM: x86: " tip-bot2 for Peter Zijlstra
2025-07-14 10:20 ` [PATCH v3 11/16] x86,hyperv: Clean up hv_do_hypercall() Peter Zijlstra
2025-07-15  4:54   ` Wei Liu
2025-07-15 14:51   ` Michael Kelley
2025-08-20  9:39   ` [tip: x86/core] x86/hyperv: " tip-bot2 for Peter Zijlstra
2025-07-14 10:20 ` [PATCH v3 12/16] x86_64,hyperv: Use direct call to hypercall-page Peter Zijlstra
2025-07-15  4:58   ` Wei Liu
2025-07-15 14:52   ` Michael Kelley
2025-08-18 10:46     ` Peter Zijlstra
2025-08-20  9:39   ` [tip: x86/core] x86/hyperv: " tip-bot2 for Peter Zijlstra
2025-07-14 10:20 ` [PATCH v3 13/16] x86/fred: Install system vector handlers even if FRED isnt fully enabled Peter Zijlstra
2025-08-20  9:39   ` [tip: x86/core] x86/fred: Install system vector handlers even if FRED isn't " tip-bot2 for Sean Christopherson
2025-07-14 10:20 ` [PATCH v3 14/16] x86/fred: Play nice with invoking asm_fred_entry_from_kvm() on non-FRED hardware Peter Zijlstra
2025-07-26  4:54   ` Xin Li
2025-08-18 12:09     ` Peter Zijlstra
2025-08-20  9:39   ` [tip: x86/core] " tip-bot2 for Josh Poimboeuf
2025-07-14 10:20 ` [PATCH v3 15/16] x86/fred: KVM: VMX: Always use FRED for IRQs when CONFIG_X86_FRED=y Peter Zijlstra
2025-08-20  9:39   ` [tip: x86/core] " tip-bot2 for Sean Christopherson
2025-07-14 10:20 ` [PATCH v3 16/16] objtool: Validate kCFI calls Peter Zijlstra
2025-07-14 10:49   ` Peter Zijlstra
2025-07-14 11:21     ` Peter Zijlstra
2025-07-14 16:30   ` Miguel Ojeda
2025-07-15  8:38     ` Peter Zijlstra
2025-07-16 21:03   ` Josh Poimboeuf
2025-07-24 20:37   ` Sean Christopherson [this message]
2025-07-25 17:57     ` Xin Li
2025-07-25 19:56       ` Sean Christopherson
2025-07-26  0:33         ` Xin Li
2025-08-20  9:39   ` [tip: x86/core] " tip-bot2 for Peter Zijlstra
2025-07-24 20:31 ` [PATCH v3 00/16] objtool: Detect and warn about indirect calls in __nocfi functions Sean Christopherson

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