[PATCH 04/12] kvm: Drop CONFIG_KVM_PARA

Jan Kiszka
2011-06-08T14:11:16Z

The kvm_para.h header is now always available.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
---
configure | 1 -
hw/kvmclock.c | 9 ---------
target-i386/kvm.c | 26 +-------------------------
3 files changed, 1 insertions(+), 35 deletions(-)

diff --git a/configure b/configure
index 0e1dc46..ed54db9 100755
--- a/configure
+++ b/configure
@@ -3218,7 +3218,6 @@ case "$target_arch2" in
\( "$target_arch2" = "x86_64" -a "$cpu" = "i386" \) -o \
\( "$target_arch2" = "i386" -a "$cpu" = "x86_64" \) \) ; then
echo "CONFIG_KVM=y" >> $config_target_mak
- echo "CONFIG_KVM_PARA=y" >> $config_target_mak
if test $vhost_net = "yes" ; then
echo "CONFIG_VHOST_NET=y" >> $config_target_mak
fi
diff --git a/hw/kvmclock.c b/hw/kvmclock.c
index 004c4ad..692ad18 100644
--- a/hw/kvmclock.c
+++ b/hw/kvmclock.c
@@ -17,8 +17,6 @@
#include "kvm.h"
#include "kvmclock.h"

-#if defined(CONFIG_KVM_PARA) && defined(KVM_CAP_ADJUST_CLOCK)
-
#include <linux/kvm.h>
#include <linux/kvm_para.h>

@@ -120,10 +118,3 @@ static void kvmclock_register_device(void)
}

device_init(kvmclock_register_device);
-
-#else /* !(CONFIG_KVM_PARA && KVM_CAP_ADJUST_CLOCK) */
-
-void kvmclock_create(void)
-{
-}
-#endif /* !(CONFIG_KVM_PARA && KVM_CAP_ADJUST_CLOCK) */
diff --git a/target-i386/kvm.c b/target-i386/kvm.c
index 1ae2d61..0efcf97 100644
--- a/target-i386/kvm.c
+++ b/target-i386/kvm.c
@@ -18,6 +18,7 @@
#include <sys/utsname.h>

#include <linux/kvm.h>
+#include <linux/kvm_para.h>

#include "qemu-common.h"
#include "sysemu.h"
@@ -29,10 +30,6 @@
#include "hw/apic.h"
#include "ioport.h"

-#ifdef CONFIG_KVM_PARA
-#include <linux/kvm_para.h>
-#endif
-//
//#define DEBUG_KVM

#ifdef DEBUG_KVM
@@ -62,9 +59,7 @@ const KVMCapabilityInfo kvm_arch_required_capabilities[] = {

static bool has_msr_star;
static bool has_msr_hsave_pa;
-#if defined(CONFIG_KVM_PARA) && defined(KVM_CAP_ASYNC_PF)
static bool has_msr_async_pf_en;
-#endif
static int lm_capable_kernel;

static struct kvm_cpuid2 *try_get_cpuid(KVMState *s, int max)
@@ -92,7 +87,6 @@ static struct kvm_cpuid2 *try_get_cpuid(KVMState *s, int max)
return cpuid;
}

-#ifdef CONFIG_KVM_PARA
struct kvm_para_features {
int cap;
int feature;
@@ -118,7 +112,6 @@ static int get_para_features(CPUState *env)

return features;
}
-#endif

uint32_t kvm_arch_get_supported_cpuid(CPUState *env, uint32_t function,
@@ -128,9 +121,7 @@ uint32_t kvm_arch_get_supported_cpuid(CPUState *env, uint32_t function,
int i, max;
uint32_t ret = 0;
uint32_t cpuid_1_edx;
-#ifdef CONFIG_KVM_PARA
int has_kvm_features = 0;
-#endif

max = 1;
while ((cpuid = try_get_cpuid(env->kvm_state, max)) == NULL) {
@@ -140,11 +131,9 @@ uint32_t kvm_arch_get_supported_cpuid(CPUState *env, uint32_t function,
for (i = 0; i < cpuid->nent; ++i) {
if (cpuid->entries[i].function == function &&
cpuid->entries[i].index == index) {
-#ifdef CONFIG_KVM_PARA
if (cpuid->entries[i].function == KVM_CPUID_FEATURES) {
has_kvm_features = 1;
}
-#endif
switch (reg) {
case R_EAX:
ret = cpuid->entries[i].eax;
@@ -177,12 +166,10 @@ uint32_t kvm_arch_get_supported_cpuid(CPUState *env, uint32_t function,

qemu_free(cpuid);

-#ifdef CONFIG_KVM_PARA
/* fallback for older kernels */
if (!has_kvm_features && (function == KVM_CPUID_FEATURES)) {
ret = get_para_features(env);
}
-#endif

return ret;
}
@@ -377,9 +364,7 @@ int kvm_arch_init_vcpu(CPUState *env)
uint32_t limit, i, j, cpuid_i;
uint32_t unused;
struct kvm_cpuid_entry2 *c;
-#ifdef CONFIG_KVM_PARA
uint32_t signature[3];
-#endif

env->cpuid_features &= kvm_arch_get_supported_cpuid(env, 1, 0, R_EDX);

@@ -397,7 +382,6 @@ int kvm_arch_init_vcpu(CPUState *env)

cpuid_i = 0;

-#ifdef CONFIG_KVM_PARA
/* Paravirtualization CPUIDs */
memcpy(signature, "KVMKVMKVM\0\0\0", 12);
c = &cpuid_data.entries[cpuid_i++];
@@ -418,8 +402,6 @@ int kvm_arch_init_vcpu(CPUState *env)
has_msr_async_pf_en = c->eax & (1 << KVM_FEATURE_ASYNC_PF);
#endif

-#endif
-
cpu_x86_cpuid(env, 0, 0, &limit, &unused, &unused, &unused);

for (i = 0; i <= limit; i++) {
@@ -931,12 +913,10 @@ static int kvm_put_msrs(CPUState *env, int level)
kvm_msr_entry_set(&msrs[n++], MSR_KVM_SYSTEM_TIME,
env->system_time_msr);
kvm_msr_entry_set(&msrs[n++], MSR_KVM_WALL_CLOCK, env->wall_clock_msr);
-#if defined(CONFIG_KVM_PARA) && defined(KVM_CAP_ASYNC_PF)
if (has_msr_async_pf_en) {
kvm_msr_entry_set(&msrs[n++], MSR_KVM_ASYNC_PF_EN,
env->async_pf_en_msr);
}
-#endif
}
#ifdef KVM_CAP_MCE
if (env->mcg_cap) {
@@ -1172,11 +1152,9 @@ static int kvm_get_msrs(CPUState *env)
#endif
msrs[n++].index = MSR_KVM_SYSTEM_TIME;
msrs[n++].index = MSR_KVM_WALL_CLOCK;
-#if defined(CONFIG_KVM_PARA) && defined(KVM_CAP_ASYNC_PF)
if (has_msr_async_pf_en) {
msrs[n++].index = MSR_KVM_ASYNC_PF_EN;
}
-#endif

#ifdef KVM_CAP_MCE
if (env->mcg_cap) {
@@ -1253,11 +1231,9 @@ static int kvm_get_msrs(CPUState *env)
}
#endif
break;
-#if defined(CONFIG_KVM_PARA) && defined(KVM_CAP_ASYNC_PF)
case MSR_KVM_ASYNC_PF_EN:
env->async_pf_en_msr = msrs[i].data;
break;
-#endif
}
}

--
1.7.1