Re: [PATCH] kvm: x86: Save/restore error_code

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Jason Wang <jasowang@xxxxxxxxxx> wrote:
> The saving and restoring of error_code seems lost and convert the
> error_code to uint32_t.
>
> Signed-off-by: Jason Wang <jasowang@xxxxxxxxxx>
> ---
>  target-i386/cpu.h     |    4 ++--
>  target-i386/machine.c |    2 ++
>  2 files changed, 4 insertions(+), 2 deletions(-)

It should be a new subsection.  The test is if has_error_code != 0
according to gleb.

Later, Juan.

> diff --git a/target-i386/cpu.h b/target-i386/cpu.h
> index 06e40f3..c990db9 100644
> --- a/target-i386/cpu.h
> +++ b/target-i386/cpu.h
> @@ -688,7 +688,7 @@ typedef struct CPUX86State {
>      uint64_t pat;
>  
>      /* exception/interrupt handling */
> -    int error_code;
> +    uint32_t error_code;
>      int exception_is_int;
>      target_ulong exception_next_eip;
>      target_ulong dr[8]; /* debug registers */
> @@ -933,7 +933,7 @@ uint64_t cpu_get_tsc(CPUX86State *env);
>  #define cpu_list_id x86_cpu_list
>  #define cpudef_setup	x86_cpudef_setup
>  
> -#define CPU_SAVE_VERSION 12
> +#define CPU_SAVE_VERSION 13
>  
>  /* MMU modes definitions */
>  #define MMU_MODE0_SUFFIX _kernel
> diff --git a/target-i386/machine.c b/target-i386/machine.c
> index d78eceb..0e467da 100644
> --- a/target-i386/machine.c
> +++ b/target-i386/machine.c
> @@ -491,6 +491,8 @@ static const VMStateDescription vmstate_cpu = {
>          VMSTATE_UINT64_V(xcr0, CPUState, 12),
>          VMSTATE_UINT64_V(xstate_bv, CPUState, 12),
>          VMSTATE_YMMH_REGS_VARS(ymmh_regs, CPUState, CPU_NB_REGS, 12),
> +
> +        VMSTATE_UINT32_V(error_code, CPUState, 13),
>          VMSTATE_END_OF_LIST()
>          /* The above list is not sorted /wrt version numbers, watch out! */
>      },
--
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