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authorSergey Fedorov <serge.fdrv@gmail.com>2016-05-03 14:04:22 +0300
committerRichard Henderson <rth@twiddle.net>2016-05-12 14:06:42 -1000
commit3213525f8ab48742db09dab18cb9ae6f36a6c921 (patch)
treef8fa580b2b4823f54da9c3b1d6cc70feb989cb1f /translate-all.c
parenta0522c7a55cc8ac76d82884cf8e52f76daa664cc (diff)
tcg: Remove needless CPUState::current_tb
This field was used for telling cpu_interrupt() to unlink a chain of TBs being executed when it worked that way. Now, cpu_interrupt() don't do this anymore. So we don't need this field anymore. Signed-off-by: Sergey Fedorov <serge.fdrv@gmail.com> Signed-off-by: Sergey Fedorov <sergey.fedorov@linaro.org> Message-Id: <1462273462-14036-1-git-send-email-sergey.fedorov@linaro.org> Signed-off-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'translate-all.c')
-rw-r--r--translate-all.c20
1 files changed, 2 insertions, 18 deletions
diff --git a/translate-all.c b/translate-all.c
index 2d1957bfa3..b54f472531 100644
--- a/translate-all.c
+++ b/translate-all.c
@@ -305,7 +305,6 @@ bool cpu_restore_state(CPUState *cpu, uintptr_t retaddr)
cpu_restore_state_from_tb(cpu, tb, retaddr);
if (tb->cflags & CF_NOCACHE) {
/* one-shot translation, invalidate it immediately */
- cpu->current_tb = NULL;
tb_phys_invalidate(tb, -1);
tb_free(tb);
}
@@ -1309,9 +1308,9 @@ void tb_invalidate_phys_range(tb_page_addr_t start, tb_page_addr_t end)
void tb_invalidate_phys_page_range(tb_page_addr_t start, tb_page_addr_t end,
int is_cpu_write_access)
{
- TranslationBlock *tb, *tb_next, *saved_tb;
- CPUState *cpu = current_cpu;
+ TranslationBlock *tb, *tb_next;
#if defined(TARGET_HAS_PRECISE_SMC)
+ CPUState *cpu = current_cpu;
CPUArchState *env = NULL;
#endif
tb_page_addr_t tb_start, tb_end;
@@ -1378,20 +1377,7 @@ void tb_invalidate_phys_page_range(tb_page_addr_t start, tb_page_addr_t end,
&current_flags);
}
#endif /* TARGET_HAS_PRECISE_SMC */
- /* we need to do that to handle the case where a signal
- occurs while doing tb_phys_invalidate() */
- saved_tb = NULL;
- if (cpu != NULL) {
- saved_tb = cpu->current_tb;
- cpu->current_tb = NULL;
- }
tb_phys_invalidate(tb, -1);
- if (cpu != NULL) {
- cpu->current_tb = saved_tb;
- if (cpu->interrupt_request && cpu->current_tb) {
- cpu_interrupt(cpu, cpu->interrupt_request);
- }
- }
}
tb = tb_next;
}
@@ -1407,7 +1393,6 @@ void tb_invalidate_phys_page_range(tb_page_addr_t start, tb_page_addr_t end,
/* we generate a block containing just the instruction
modifying the memory. It will ensure that it cannot modify
itself */
- cpu->current_tb = NULL;
tb_gen_code(cpu, current_pc, current_cs_base, current_flags, 1);
cpu_resume_from_signal(cpu, NULL);
}
@@ -1512,7 +1497,6 @@ static void tb_invalidate_phys_page(tb_page_addr_t addr,
/* we generate a block containing just the instruction
modifying the memory. It will ensure that it cannot modify
itself */
- cpu->current_tb = NULL;
tb_gen_code(cpu, current_pc, current_cs_base, current_flags, 1);
if (locked) {
mmap_unlock();