diff options
| author | Paolo Bonzini <pbonzini@redhat.com> | 2017-03-01 10:34:48 +0100 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2017-06-07 18:22:02 +0200 |
| commit | f8c45c6550b9ff1e1f0b92709ff3213a79870879 (patch) | |
| tree | a50a83c59f416259a423493cc996646bbeca1f7e /target/i386/smm_helper.c | |
| parent | c8bc83a4dd29a9a33f5be81686bfe6e2e628097b (diff) | |
target/i386: use multiple CPU AddressSpaces
This speeds up SMM switches. Later on it may remove the need to take
the BQL, and it may also allow to reuse code between TCG and KVM.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'target/i386/smm_helper.c')
| -rw-r--r-- | target/i386/smm_helper.c | 18 |
1 files changed, 0 insertions, 18 deletions
diff --git a/target/i386/smm_helper.c b/target/i386/smm_helper.c index f051a77c4a..90621e5977 100644 --- a/target/i386/smm_helper.c +++ b/target/i386/smm_helper.c @@ -43,19 +43,6 @@ void helper_rsm(CPUX86State *env) #define SMM_REVISION_ID 0x00020000 #endif -/* Called with iothread lock taken */ -void cpu_smm_update(X86CPU *cpu) -{ - CPUX86State *env = &cpu->env; - bool smm_enabled = (env->hflags & HF_SMM_MASK); - - g_assert(qemu_mutex_iothread_locked()); - - if (cpu->smram) { - memory_region_set_enabled(cpu->smram, smm_enabled); - } -} - void do_smm_enter(X86CPU *cpu) { CPUX86State *env = &cpu->env; @@ -73,7 +60,6 @@ void do_smm_enter(X86CPU *cpu) } else { env->hflags2 |= HF2_NMI_MASK; } - cpu_smm_update(cpu); sm_state = env->smbase + 0x8000; @@ -338,10 +324,6 @@ void helper_rsm(CPUX86State *env) env->hflags2 &= ~HF2_SMM_INSIDE_NMI_MASK; env->hflags &= ~HF_SMM_MASK; - qemu_mutex_lock_iothread(); - cpu_smm_update(cpu); - qemu_mutex_unlock_iothread(); - qemu_log_mask(CPU_LOG_INT, "SMM: after RSM\n"); log_cpu_state_mask(CPU_LOG_INT, CPU(cpu), CPU_DUMP_CCOP); } |