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Re: [Qemu-devel] [PATCH v17 02/10] ACPI: add some GHES structures and ma
From: |
Igor Mammedov |
Subject: |
Re: [Qemu-devel] [PATCH v17 02/10] ACPI: add some GHES structures and macros definition |
Date: |
Mon, 24 Jun 2019 13:16:29 +0200 |
On Fri, 21 Jun 2019 01:17:48 +0800
gengdongjiu <address@hidden> wrote:
> On 2019/6/20 23:09, Igor Mammedov wrote:
> > On Thu, 20 Jun 2019 22:04:01 +0800
> > gengdongjiu <address@hidden> wrote:
> >
> >> Hi Igor,
> >> Thanks for your review.
> >>
> >> On 2019/6/20 20:10, Igor Mammedov wrote:
> >>>> + */
> >>>> +struct AcpiGenericErrorStatus {
> >>>> + /* It is a bitmask composed of ACPI_GEBS_xxx macros */
> >>>> + uint32_t block_status;
> >>>> + uint32_t raw_data_offset;
> >>>> + uint32_t raw_data_length;
> >>>> + uint32_t data_length;
> >>>> + uint32_t error_severity;
> >>>> +} QEMU_PACKED;
> >>>> +typedef struct AcpiGenericErrorStatus AcpiGenericErrorStatus;
> >>> there shouldn't be packed structures,
> >>> is it a leftover from previous version?
> >>
> >> I remember some people suggest to add QEMU_PACKED before, anyway I will
> >> remove it in my next version patch.
> >
> > Question is why it's there and where it is used?
> sorry, it is my carelessness. it should be packed structures.
>
> I used this structures to get its actual total size and member offset in
> [PATCH v17 10/10].
> If it is not packed structures, the total size and member offset may be not
> right.
I'd suggest to drop these typedefs and use a macro with size for that purpose,
Also it might be good to make it local to the file that would use it.
> >
> > BTW:
> > series doesn't apply to master anymore.
> > Do you have a repo somewhere available for testing?
>
> Thanks, I appreciated that you can have a test.
>
> I still do not upload repo, you can reset to below commit[1] in master and
> apply this series.
>
> BTW:
> If test series, you should make an guest memory hardware error, let guest
> access the error address, then it will happen RAS error.
> I provide a software hard code method to test this series, you can refer to
> https://www.mail-archive.com/address@hidden/msg619771.html
>
>
> [1]:
> commit efb4f3b62c69383a7308d7b739a3193e7c0ccae8
> Merge: 5f02262 e841257
> Author: Peter Maydell <address@hidden>
> Date: Fri May 10 14:49:36 2019 +0100
>
>
>
> >
> >>
> >>>
> >>>> +
> >>>> +/*
> >>>> + * Masks for block_status flags above
> >>>> + */
> >>>> +#define ACPI_GEBS_UNCORRECTABLE 1
> >>>> +
> >>>> +/*
> >>
> >
> > .
> >
>