From: Borislav Petkov <bp@alien8.de>
To: X86 ML <x86@kernel.org>
Cc: sparmaintainer@unisys.com, LKML <linux-kernel@vger.kernel.org>,
virtualization@lists.linux-foundation.org
Subject: [PATCH 02/10] x86/cpufeature: Kill cpu_has_hypervisor
Date: Tue, 29 Mar 2016 17:41:55 +0200 [thread overview]
Message-ID: <1459266123-21878-3-git-send-email-bp@alien8.de> (raw)
In-Reply-To: <1459266123-21878-1-git-send-email-bp@alien8.de>
From: Borislav Petkov <bp@suse.de>
Use boot_cpu_has() instead.
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: virtualization@lists.linux-foundation.org
Cc: sparmaintainer@unisys.com
---
arch/x86/events/intel/cstate.c | 2 +-
arch/x86/events/intel/uncore.c | 2 +-
arch/x86/include/asm/cpufeature.h | 1 -
arch/x86/kernel/cpu/vmware.c | 2 +-
arch/x86/kernel/kvm.c | 2 +-
drivers/staging/unisys/visorbus/visorchipset.c | 2 +-
6 files changed, 5 insertions(+), 6 deletions(-)
diff --git a/arch/x86/events/intel/cstate.c b/arch/x86/events/intel/cstate.c
index 7946c4231169..d5045c8e2e63 100644
--- a/arch/x86/events/intel/cstate.c
+++ b/arch/x86/events/intel/cstate.c
@@ -677,7 +677,7 @@ static int __init cstate_pmu_init(void)
{
int err;
- if (cpu_has_hypervisor)
+ if (boot_cpu_has(X86_FEATURE_HYPERVISOR))
return -ENODEV;
err = cstate_init();
diff --git a/arch/x86/events/intel/uncore.c b/arch/x86/events/intel/uncore.c
index 7012d18bb293..3f6d8b5672d5 100644
--- a/arch/x86/events/intel/uncore.c
+++ b/arch/x86/events/intel/uncore.c
@@ -1383,7 +1383,7 @@ static int __init intel_uncore_init(void)
if (boot_cpu_data.x86_vendor != X86_VENDOR_INTEL)
return -ENODEV;
- if (cpu_has_hypervisor)
+ if (boot_cpu_has(X86_FEATURE_HYPERVISOR))
return -ENODEV;
max_packages = topology_max_packages();
diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h
index fee7a6efcd2d..3aea54ecabfd 100644
--- a/arch/x86/include/asm/cpufeature.h
+++ b/arch/x86/include/asm/cpufeature.h
@@ -136,7 +136,6 @@ extern const char * const x86_bug_flags[NBUGINTS*32];
#define cpu_has_xsave boot_cpu_has(X86_FEATURE_XSAVE)
#define cpu_has_xsaves boot_cpu_has(X86_FEATURE_XSAVES)
#define cpu_has_osxsave boot_cpu_has(X86_FEATURE_OSXSAVE)
-#define cpu_has_hypervisor boot_cpu_has(X86_FEATURE_HYPERVISOR)
/*
* Do not add any more of those clumsy macros - use static_cpu_has() for
* fast paths and boot_cpu_has() otherwise!
diff --git a/arch/x86/kernel/cpu/vmware.c b/arch/x86/kernel/cpu/vmware.c
index 364e58346897..8cac429b6a1d 100644
--- a/arch/x86/kernel/cpu/vmware.c
+++ b/arch/x86/kernel/cpu/vmware.c
@@ -94,7 +94,7 @@ static void __init vmware_platform_setup(void)
*/
static uint32_t __init vmware_platform(void)
{
- if (cpu_has_hypervisor) {
+ if (boot_cpu_has(X86_FEATURE_HYPERVISOR)) {
unsigned int eax;
unsigned int hyper_vendor_id[3];
diff --git a/arch/x86/kernel/kvm.c b/arch/x86/kernel/kvm.c
index 807950860fb7..dc1207e2f193 100644
--- a/arch/x86/kernel/kvm.c
+++ b/arch/x86/kernel/kvm.c
@@ -522,7 +522,7 @@ static noinline uint32_t __kvm_cpuid_base(void)
if (boot_cpu_data.cpuid_level < 0)
return 0; /* So we don't blow up on old processors */
- if (cpu_has_hypervisor)
+ if (boot_cpu_has(X86_FEATURE_HYPERVISOR))
return hypervisor_cpuid_base("KVMKVMKVM\0\0\0", 0);
return 0;
diff --git a/drivers/staging/unisys/visorbus/visorchipset.c b/drivers/staging/unisys/visorbus/visorchipset.c
index 5fbda7b218c7..9cf4f8463c4e 100644
--- a/drivers/staging/unisys/visorbus/visorchipset.c
+++ b/drivers/staging/unisys/visorbus/visorchipset.c
@@ -2425,7 +2425,7 @@ static __init uint32_t visorutil_spar_detect(void)
{
unsigned int eax, ebx, ecx, edx;
- if (cpu_has_hypervisor) {
+ if (boot_cpu_has(X86_FEATURE_HYPERVISOR)) {
/* check the ID */
cpuid(UNISYS_SPAR_LEAF_ID, &eax, &ebx, &ecx, &edx);
return (ebx == UNISYS_SPAR_ID_EBX) &&
--
2.7.3
next parent reply other threads:[~2016-03-29 15:41 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1459266123-21878-1-git-send-email-bp@alien8.de>
2016-03-29 15:41 ` Borislav Petkov [this message]
2016-03-29 18:03 ` [PATCH 02/10] x86/cpufeature: Kill cpu_has_hypervisor Kershner, David A
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