diff options
author | Steven Rostedt <srostedt@redhat.com> | 2010-05-21 11:49:57 -0400 |
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committer | Steven Rostedt <rostedt@goodmis.org> | 2010-05-21 11:49:57 -0400 |
commit | ff5f149b6aec8edbfa3698721667acd043009a33 (patch) | |
tree | d052553eb296dfee3f01b1cb2b717cb7ccf3127a /arch/x86/kernel/cpu/vmware.c | |
parent | f0218b3e9974f06014b61be8987159f4a20e011e (diff) | |
parent | 580d607cd666dfabfc1c7b0fb08c8ac690c7c87f (diff) |
Merge branch 'perf/core' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip into trace/tip/tracing/core-7
Conflicts:
include/linux/ftrace_event.h
include/trace/ftrace.h
kernel/trace/trace_event_perf.c
kernel/trace/trace_kprobe.c
kernel/trace/trace_syscalls.c
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'arch/x86/kernel/cpu/vmware.c')
-rw-r--r-- | arch/x86/kernel/cpu/vmware.c | 38 |
1 files changed, 21 insertions, 17 deletions
diff --git a/arch/x86/kernel/cpu/vmware.c b/arch/x86/kernel/cpu/vmware.c index dfdb4dba2320..b9d1ff588445 100644 --- a/arch/x86/kernel/cpu/vmware.c +++ b/arch/x86/kernel/cpu/vmware.c @@ -24,8 +24,8 @@ #include <linux/dmi.h> #include <linux/module.h> #include <asm/div64.h> -#include <asm/vmware.h> #include <asm/x86_init.h> +#include <asm/hypervisor.h> #define CPUID_VMWARE_INFO_LEAF 0x40000000 #define VMWARE_HYPERVISOR_MAGIC 0x564D5868 @@ -65,7 +65,7 @@ static unsigned long vmware_get_tsc_khz(void) return tsc_hz; } -void __init vmware_platform_setup(void) +static void __init vmware_platform_setup(void) { uint32_t eax, ebx, ecx, edx; @@ -83,26 +83,22 @@ void __init vmware_platform_setup(void) * serial key should be enough, as this will always have a VMware * specific string when running under VMware hypervisor. */ -int vmware_platform(void) +static bool __init vmware_platform(void) { if (cpu_has_hypervisor) { - unsigned int eax, ebx, ecx, edx; - char hyper_vendor_id[13]; - - cpuid(CPUID_VMWARE_INFO_LEAF, &eax, &ebx, &ecx, &edx); - memcpy(hyper_vendor_id + 0, &ebx, 4); - memcpy(hyper_vendor_id + 4, &ecx, 4); - memcpy(hyper_vendor_id + 8, &edx, 4); - hyper_vendor_id[12] = '\0'; - if (!strcmp(hyper_vendor_id, "VMwareVMware")) - return 1; + unsigned int eax; + unsigned int hyper_vendor_id[3]; + + cpuid(CPUID_VMWARE_INFO_LEAF, &eax, &hyper_vendor_id[0], + &hyper_vendor_id[1], &hyper_vendor_id[2]); + if (!memcmp(hyper_vendor_id, "VMwareVMware", 12)) + return true; } else if (dmi_available && dmi_name_in_serial("VMware") && __vmware_platform()) - return 1; + return true; - return 0; + return false; } -EXPORT_SYMBOL(vmware_platform); /* * VMware hypervisor takes care of exporting a reliable TSC to the guest. @@ -116,8 +112,16 @@ EXPORT_SYMBOL(vmware_platform); * so that the kernel could just trust the hypervisor with providing a * reliable virtual TSC that is suitable for timekeeping. */ -void __cpuinit vmware_set_feature_bits(struct cpuinfo_x86 *c) +static void __cpuinit vmware_set_cpu_features(struct cpuinfo_x86 *c) { set_cpu_cap(c, X86_FEATURE_CONSTANT_TSC); set_cpu_cap(c, X86_FEATURE_TSC_RELIABLE); } + +const __refconst struct hypervisor_x86 x86_hyper_vmware = { + .name = "VMware", + .detect = vmware_platform, + .set_cpu_features = vmware_set_cpu_features, + .init_platform = vmware_platform_setup, +}; +EXPORT_SYMBOL(x86_hyper_vmware); |