Re: [PATCH v4 13/16] cputlb: Remove cpu->mem_io_vaddr

["Alex Bennée" <alex.bennee@linaro.org>]

Richard Henderson <richard.henderson@linaro.org> writes:

> With the merge of notdirty handling into store_helper,
> the last user of cpu->mem_io_vaddr was removed.
>
> Reviewed-by: David Hildenbrand <david@redhat.com>
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>

> ---
>  include/hw/core/cpu.h | 2 --
>  accel/tcg/cputlb.c    | 2 --
>  hw/core/cpu.c         | 1 -
>  3 files changed, 5 deletions(-)
>
> diff --git a/include/hw/core/cpu.h b/include/hw/core/cpu.h
> index c7cda65c66..031f587e51 100644
> --- a/include/hw/core/cpu.h
> +++ b/include/hw/core/cpu.h
> @@ -338,7 +338,6 @@ struct qemu_work_item;
>   * @next_cpu: Next CPU sharing TB cache.
>   * @opaque: User data.
>   * @mem_io_pc: Host Program Counter at which the memory was accessed.
> - * @mem_io_vaddr: Target virtual address at which the memory was accessed.
>   * @kvm_fd: vCPU file descriptor for KVM.
>   * @work_mutex: Lock to prevent multiple access to queued_work_*.
>   * @queued_work_first: First asynchronous work pending.
> @@ -413,7 +412,6 @@ struct CPUState {
>       * we store some rarely used information in the CPU context.
>       */
>      uintptr_t mem_io_pc;
> -    vaddr mem_io_vaddr;
>      /*
>       * This is only needed for the legacy cpu_unassigned_access() hook;
>       * when all targets using it have been converted to use
> diff --git a/accel/tcg/cputlb.c b/accel/tcg/cputlb.c
> index d0bdef1eb3..0ca6ee60b3 100644
> --- a/accel/tcg/cputlb.c
> +++ b/accel/tcg/cputlb.c
> @@ -927,7 +927,6 @@ static uint64_t io_readx(CPUArchState *env, CPUIOTLBEntry *iotlbentry,
>          cpu_io_recompile(cpu, retaddr);
>      }
>
> -    cpu->mem_io_vaddr = addr;
>      cpu->mem_io_access_type = access_type;
>
>      if (mr->global_locking && !qemu_mutex_iothread_locked()) {
> @@ -967,7 +966,6 @@ static void io_writex(CPUArchState *env, CPUIOTLBEntry *iotlbentry,
>      if (!cpu->can_do_io) {
>          cpu_io_recompile(cpu, retaddr);
>      }
> -    cpu->mem_io_vaddr = addr;
>      cpu->mem_io_pc = retaddr;
>
>      if (mr->global_locking && !qemu_mutex_iothread_locked()) {
> diff --git a/hw/core/cpu.c b/hw/core/cpu.c
> index 0035845511..73b1ee34d0 100644
> --- a/hw/core/cpu.c
> +++ b/hw/core/cpu.c
> @@ -261,7 +261,6 @@ static void cpu_common_reset(CPUState *cpu)
>      cpu->interrupt_request = 0;
>      cpu->halted = 0;
>      cpu->mem_io_pc = 0;
> -    cpu->mem_io_vaddr = 0;
>      cpu->icount_extra = 0;
>      atomic_set(&cpu->icount_decr_ptr->u32, 0);
>      cpu->can_do_io = 1;


--
Alex Bennée