diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2023-09-15 15:41:39 -0700 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2023-10-03 08:01:02 -0700 |
| commit | 464dacf6090d859a919596ba7452498c7446ced1 (patch) | |
| tree | 40dff34bf19b1d9282232877d443a43fb4be8217 /include/hw/core | |
| parent | e62de981113350194f9c1f78a6a8fd35c03b1599 (diff) | |
accel/tcg: Move can_do_io to CPUNegativeOffsetState
Minimize the displacement to can_do_io, since it may
be touched at the start of each TranslationBlock.
It fits into other padding within the substructure.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'include/hw/core')
| -rw-r--r-- | include/hw/core/cpu.h | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/include/hw/core/cpu.h b/include/hw/core/cpu.h index 973ff9d106..293cedd9b5 100644 --- a/include/hw/core/cpu.h +++ b/include/hw/core/cpu.h @@ -351,6 +351,7 @@ typedef union IcountDecr { typedef struct CPUNegativeOffsetState { CPUTLB tlb; IcountDecr icount_decr; + bool can_do_io; } CPUNegativeOffsetState; typedef struct CPUBreakpoint { @@ -420,9 +421,7 @@ struct qemu_work_item; * @crash_occurred: Indicates the OS reported a crash (panic) for this CPU * @singlestep_enabled: Flags for single-stepping. * @icount_extra: Instructions until next timer event. - * @can_do_io: Nonzero if memory-mapped IO is safe. Deterministic execution - * requires that IO only be performed on the last instruction of a TB - * so that interrupts take effect immediately. + * @neg.can_do_io: True if memory-mapped IO is allowed. * @cpu_ases: Pointer to array of CPUAddressSpaces (which define the * AddressSpaces this CPU has) * @num_ases: number of CPUAddressSpaces in @cpu_ases @@ -547,7 +546,6 @@ struct CPUState { int cluster_index; uint32_t tcg_cflags; uint32_t halted; - uint32_t can_do_io; int32_t exception_index; AccelCPUState *accel; |