From nobody Sat Feb 7 18:40:11 2026 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D04CF235371 for ; Thu, 15 May 2025 20:29:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=193.142.43.55 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747340944; cv=none; b=bA/yi3bsE9WbkTo0T1oEDAPULrFrhXKHDG+YFL3AhOdBjyUWhRjUnfeLs1s2feNSz6rfGGktsLFNPufC5qDJ9ePZowwDKqCZdh0zHzk3A2h2kqwLFCe1g+FAUbCRI9TV8mzfUpRSqFE+LYyRmc9Q0hItEAcRHCrbvK/udJC7Eok= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747340944; c=relaxed/simple; bh=qpTfU7XOprI/kvZiFlufF/io7suJwOtPxC3JUsMa7AE=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=aHhXbC9hCsYFaosID/ny2XtrQN03ulgcZGvxu9YAbHXFD3Rgb/Y6YzMDkZ6t9x2pGiNFuTEMqzXdUSC4wnaiHIpKkuO9HOJblnev89Fcm7/H4wy3NrULOjqbZyllXHH6uVopFavYkQK1DK+EW55l3ju0AeCecW7zEq62jBZpEKA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de; spf=pass smtp.mailfrom=linutronix.de; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=Kib/ZCuX; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=Db4LWQCb; arc=none smtp.client-ip=193.142.43.55 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linutronix.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="Kib/ZCuX"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="Db4LWQCb" Date: Thu, 15 May 2025 22:28:59 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1747340941; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=dezAiO+6NtjbxTAnko7B/7eCkBAIolQDl5NvQdCS6XI=; b=Kib/ZCuXdQ3WDGWvoOs83ymOxhu8Z+1YXrMJfoaLmznHs+lEvO7yS5DOUmDbaRxFKPGMJZ Tj3SUYlL7gH8Fg7LOFnXxyBTUlckgUp6fAAj8Mw/m2qWCagyS97U92dm7T+SHahzyTeuph bpgzxjVEbJzCrFud+dACtTKoq7dUkL1RzZ+MVCL/LYFV6d+7uRfUHsWuiy0VydfSB6xV1k RJi5NaPMKi20vg0zWtpC7532XwB0zIAn4Hb7HxgLhotnDfAyEmtng+OxPm0f6qnS81YO3P FqzzKi6XBWz4RMbCLVtYKeuDGphW+AcggC8R1SwspTr7JKEQ5Zm0IhrM+1c/ag== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1747340941; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=dezAiO+6NtjbxTAnko7B/7eCkBAIolQDl5NvQdCS6XI=; b=Db4LWQCbnxXF5EZLHTQMY5tIb/rAR4vcjMfR6XC5Oha3wuhXdrfv1xYBMRm6ZdPrc2ZMag e37wXweFAcHgf4CA== From: "Ahmed S. Darwish" To: Ingo Molnar , Borislav Petkov , Dave Hansen Cc: Thomas Gleixner , Andrew Cooper , "H. Peter Anvin" , John Ogness , x86@kernel.org, x86-cpuid@lists.linux.dev, LKML Subject: [PATCH v3] x86/cpuid: Rename hypervisor_cpuid_base() to cpuid_base_hypervisor() Message-ID: References: <20250515202143.34448-1-darwi@linutronix.de> <20250515202143.34448-3-darwi@linutronix.de> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20250515202143.34448-3-darwi@linutronix.de> Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" In order to let all the APIs under have a shared "cpuid_" namespace, rename hypervisor_cpuid_base() to cpuid_base_hypervisor(). To align with the new style, also rename: for_each_possible_hypervisor_cpuid_base(function) to: for_each_possible_cpuid_base_hypervisor(function) Adjust call-sites accordingly. Suggested-by: Ingo Molnar Signed-off-by: Ahmed S. Darwish --- Changelog-v3: Fix commit subject line to include the new function name, cpuid_base_hypervisor(). arch/x86/include/asm/acrn.h | 2 +- arch/x86/include/asm/cpuid/api.h | 6 +++--- arch/x86/include/asm/xen/hypervisor.h | 2 +- arch/x86/kernel/jailhouse.c | 2 +- arch/x86/kernel/kvm.c | 2 +- arch/x86/kvm/cpuid.c | 2 +- 6 files changed, 8 insertions(+), 8 deletions(-) diff --git a/arch/x86/include/asm/acrn.h b/arch/x86/include/asm/acrn.h index 1dd14381bcb6..fab11192c60a 100644 --- a/arch/x86/include/asm/acrn.h +++ b/arch/x86/include/asm/acrn.h @@ -25,7 +25,7 @@ void acrn_remove_intr_handler(void); static inline u32 acrn_cpuid_base(void) { if (boot_cpu_has(X86_FEATURE_HYPERVISOR)) - return hypervisor_cpuid_base("ACRNACRNACRN", 0); + return cpuid_base_hypervisor("ACRNACRNACRN", 0); return 0; } diff --git a/arch/x86/include/asm/cpuid/api.h b/arch/x86/include/asm/cpuid/= api.h index ccf20c62b89f..44fa82e1267c 100644 --- a/arch/x86/include/asm/cpuid/api.h +++ b/arch/x86/include/asm/cpuid/api.h @@ -188,14 +188,14 @@ static __always_inline bool cpuid_function_is_indexed= (u32 function) return false; } -#define for_each_possible_hypervisor_cpuid_base(function) \ +#define for_each_possible_cpuid_base_hypervisor(function) \ for (function =3D 0x40000000; function < 0x40010000; function +=3D 0x100) -static inline u32 hypervisor_cpuid_base(const char *sig, u32 leaves) +static inline u32 cpuid_base_hypervisor(const char *sig, u32 leaves) { u32 base, eax, signature[3]; - for_each_possible_hypervisor_cpuid_base(base) { + for_each_possible_cpuid_base_hypervisor(base) { cpuid(base, &eax, &signature[0], &signature[1], &signature[2]); /* diff --git a/arch/x86/include/asm/xen/hypervisor.h b/arch/x86/include/asm/x= en/hypervisor.h index bd0fc69a10a7..c2fc7869b996 100644 --- a/arch/x86/include/asm/xen/hypervisor.h +++ b/arch/x86/include/asm/xen/hypervisor.h @@ -43,7 +43,7 @@ extern struct start_info *xen_start_info; static inline uint32_t xen_cpuid_base(void) { - return hypervisor_cpuid_base(XEN_SIGNATURE, 2); + return cpuid_base_hypervisor(XEN_SIGNATURE, 2); } struct pci_dev; diff --git a/arch/x86/kernel/jailhouse.c b/arch/x86/kernel/jailhouse.c index cd8ed1edbf9e..9e9a591a5fec 100644 --- a/arch/x86/kernel/jailhouse.c +++ b/arch/x86/kernel/jailhouse.c @@ -49,7 +49,7 @@ static uint32_t jailhouse_cpuid_base(void) !boot_cpu_has(X86_FEATURE_HYPERVISOR)) return 0; - return hypervisor_cpuid_base("Jailhouse\0\0\0", 0); + return cpuid_base_hypervisor("Jailhouse\0\0\0", 0); } static uint32_t __init jailhouse_detect(void) diff --git a/arch/x86/kernel/kvm.c b/arch/x86/kernel/kvm.c index f3642226e0a5..921c1c783bc1 100644 --- a/arch/x86/kernel/kvm.c +++ b/arch/x86/kernel/kvm.c @@ -875,7 +875,7 @@ static noinline uint32_t __kvm_cpuid_base(void) return 0; /* So we don't blow up on old processors */ if (boot_cpu_has(X86_FEATURE_HYPERVISOR)) - return hypervisor_cpuid_base(KVM_SIGNATURE, 0); + return cpuid_base_hypervisor(KVM_SIGNATURE, 0); return 0; } diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c index 7f43d8d24fbe..ecd85f4801cc 100644 --- a/arch/x86/kvm/cpuid.c +++ b/arch/x86/kvm/cpuid.c @@ -236,7 +236,7 @@ static struct kvm_hypervisor_cpuid kvm_get_hypervisor_c= puid(struct kvm_vcpu *vcp struct kvm_cpuid_entry2 *entry; u32 base; - for_each_possible_hypervisor_cpuid_base(base) { + for_each_possible_cpuid_base_hypervisor(base) { entry =3D kvm_find_cpuid_entry(vcpu, base); if (entry) { -- 2.49.0