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cpu: Make first_cpu and next_cpu CPUState

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Move next_cpu from CPU_COMMON to CPUState.
Move first_cpu variable to qom/cpu.h.

gdbstub needs to use CPUState::env_ptr for now.
cpu_copy() no longer needs to save and restore cpu_next.

Acked-by: Paolo Bonzini <pbonzini@redhat.com>
[AF: Rebased, simplified cpu_copy()]
Signed-off-by: Andreas Färber <afaerber@suse.de>
This commit is contained in:
Andreas Färber 2013-05-29 22:29:20 +02:00
parent 9b056fcc5b
commit 182735efaf
39 changed files with 266 additions and 234 deletions
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16
kvm-all.c
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@ -1938,7 +1938,9 @@ int kvm_insert_breakpoint(CPUArchState *env, target_ulong addr,
}
}
for (env = first_cpu; env != NULL; env = env->next_cpu) {
for (cpu = first_cpu; cpu != NULL; cpu = cpu->next_cpu) {
CPUArchState *env = cpu->env_ptr;
err = kvm_update_guest_debug(env, 0);
if (err) {
return err;
@ -1979,7 +1981,9 @@ int kvm_remove_breakpoint(CPUArchState *env, target_ulong addr,
}
}
for (env = first_cpu; env != NULL; env = env->next_cpu) {
for (cpu = first_cpu; cpu != NULL; cpu = cpu->next_cpu) {
CPUArchState *env = cpu->env_ptr;
err = kvm_update_guest_debug(env, 0);
if (err) {
return err;
@ -1992,13 +1996,11 @@ void kvm_remove_all_breakpoints(CPUState *cpu)
{
struct kvm_sw_breakpoint *bp, *next;
KVMState *s = cpu->kvm_state;
CPUArchState *env;
QTAILQ_FOREACH_SAFE(bp, &s->kvm_sw_breakpoints, entry, next) {
if (kvm_arch_remove_sw_breakpoint(cpu, bp) != 0) {
/* Try harder to find a CPU that currently sees the breakpoint. */
for (env = first_cpu; env != NULL; env = env->next_cpu) {
cpu = ENV_GET_CPU(env);
for (cpu = first_cpu; cpu != NULL; cpu = cpu->next_cpu) {
if (kvm_arch_remove_sw_breakpoint(cpu, bp) == 0) {
break;
}
@ -2009,7 +2011,9 @@ void kvm_remove_all_breakpoints(CPUState *cpu)
}
kvm_arch_remove_all_hw_breakpoints();
for (env = first_cpu; env != NULL; env = env->next_cpu) {
for (cpu = first_cpu; cpu != NULL; cpu = cpu->next_cpu) {
CPUArchState *env = cpu->env_ptr;
kvm_update_guest_debug(env, 0);
}
}