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Peter Anvin" , John Ogness , x86@kernel.org, x86-cpuid@lists.linux.dev, LKML , "Ahmed S. Darwish" Subject: [PATCH v2 2/2] x86/cpuid: Rename hypervisor_cpuid_base() to cpuid_hypervisor_base() Date: Thu, 15 May 2025 22:21:42 +0200 Message-ID: <20250515202143.34448-3-darwi@linutronix.de> In-Reply-To: <20250515202143.34448-1-darwi@linutronix.de> References: <20250515202143.34448-1-darwi@linutronix.de> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 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 --- 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); =20 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; } =20 -#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) =20 -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]; =20 - for_each_possible_hypervisor_cpuid_base(base) { + for_each_possible_cpuid_base_hypervisor(base) { cpuid(base, &eax, &signature[0], &signature[1], &signature[2]); =20 /* 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; =20 static inline uint32_t xen_cpuid_base(void) { - return hypervisor_cpuid_base(XEN_SIGNATURE, 2); + return cpuid_base_hypervisor(XEN_SIGNATURE, 2); } =20 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; =20 - return hypervisor_cpuid_base("Jailhouse\0\0\0", 0); + return cpuid_base_hypervisor("Jailhouse\0\0\0", 0); } =20 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 */ =20 if (boot_cpu_has(X86_FEATURE_HYPERVISOR)) - return hypervisor_cpuid_base(KVM_SIGNATURE, 0); + return cpuid_base_hypervisor(KVM_SIGNATURE, 0); =20 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; =20 - for_each_possible_hypervisor_cpuid_base(base) { + for_each_possible_cpuid_base_hypervisor(base) { entry =3D kvm_find_cpuid_entry(vcpu, base); =20 if (entry) { --=20 2.49.0