linux-kernel - Re: [PATCH v3 09/15] acpi/ghes: better name GHES memory error function

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Message-ID: <20241120142208.00005cbe@huawei.com>
Date: Wed, 20 Nov 2024 14:22:08 +0000
From: Jonathan Cameron <Jonathan.Cameron@...wei.com>
To: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
CC: Igor Mammedov <imammedo@...hat.com>, Shiju Jose <shiju.jose@...wei.com>,
	"Michael S. Tsirkin" <mst@...hat.com>, Ani Sinha <anisinha@...hat.com>,
	Dongjiu Geng <gengdongjiu1@...il.com>, Paolo Bonzini <pbonzini@...hat.com>,
	Peter Maydell <peter.maydell@...aro.org>, <kvm@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <qemu-arm@...gnu.org>,
	<qemu-devel@...gnu.org>
Subject: Re: [PATCH v3 09/15] acpi/ghes: better name GHES memory error
 function

On Tue, 12 Nov 2024 11:14:53 +0100
Mauro Carvalho Chehab <mchehab+huawei@...nel.org> wrote:

> The current function used to generate GHES data is specific for
> memory errors. Give a better name for it, as we now have a generic
> function as well.
> 
> Reviewed-by: Igor Mammedov <imammedo@...hat.com>
> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>

A couple of unnecessary line breaks I think.

Otherwise LGTM
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@...wei.com>
> ---
>  hw/acpi/ghes-stub.c    | 2 +-
>  hw/acpi/ghes.c         | 2 +-
>  include/hw/acpi/ghes.h | 5 +++--
>  target/arm/kvm.c       | 3 ++-
>  4 files changed, 7 insertions(+), 5 deletions(-)
> 
> diff --git a/hw/acpi/ghes-stub.c b/hw/acpi/ghes-stub.c
> index 2b64cbd2819a..7cec1812dad9 100644
> --- a/hw/acpi/ghes-stub.c
> +++ b/hw/acpi/ghes-stub.c
> @@ -11,7 +11,7 @@
>  #include "qemu/osdep.h"
>  #include "hw/acpi/ghes.h"
>  
> -int acpi_ghes_record_errors(uint16_t source_id, uint64_t physical_address)
> +int acpi_ghes_memory_errors(uint16_t source_id, uint64_t physical_address)
>  {
>      return -1;
>  }
> diff --git a/hw/acpi/ghes.c b/hw/acpi/ghes.c
> index 0eb874a11ff7..1dbcbefbc2ee 100644
> --- a/hw/acpi/ghes.c
> +++ b/hw/acpi/ghes.c
> @@ -421,7 +421,7 @@ void ghes_record_cper_errors(const void *cper, size_t len,
>      return;
>  }
>  
> -int acpi_ghes_record_errors(uint16_t source_id, uint64_t physical_address)
> +int acpi_ghes_memory_errors(uint16_t source_id, uint64_t physical_address)
>  {
>      /* Memory Error Section Type */
>      const uint8_t guid[] =
> diff --git a/include/hw/acpi/ghes.h b/include/hw/acpi/ghes.h
> index 8859346af51a..a35097d5207c 100644
> --- a/include/hw/acpi/ghes.h
> +++ b/include/hw/acpi/ghes.h
> @@ -74,15 +74,16 @@ void acpi_build_hest(GArray *table_data, GArray *hardware_errors,
>                       const char *oem_id, const char *oem_table_id);
>  void acpi_ghes_add_fw_cfg(AcpiGhesState *vms, FWCfgState *s,
>                            GArray *hardware_errors);
> +int acpi_ghes_memory_errors(uint16_t source_id,
> +                            uint64_t error_physical_addr);
No need for line break as under 80 chars anyway.

>  void ghes_record_cper_errors(const void *cper, size_t len,
>                               uint16_t source_id, Error **errp);
> -int acpi_ghes_record_errors(uint16_t source_id, uint64_t error_physical_addr);
>  
>  /**
>   * acpi_ghes_present: Report whether ACPI GHES table is present
>   *
>   * Returns: true if the system has an ACPI GHES table and it is
> - * safe to call acpi_ghes_record_errors() to record a memory error.
> + * safe to call acpi_ghes_memory_errors() to record a memory error.
>   */
>  bool acpi_ghes_present(void);
>  #endif
> diff --git a/target/arm/kvm.c b/target/arm/kvm.c
> index 7b6812c0de2e..8e281d920052 100644
> --- a/target/arm/kvm.c
> +++ b/target/arm/kvm.c
> @@ -2387,7 +2387,8 @@ void kvm_arch_on_sigbus_vcpu(CPUState *c, int code, void *addr)
>               */
>              if (code == BUS_MCEERR_AR) {
>                  kvm_cpu_synchronize_state(c);
> -                if (!acpi_ghes_record_errors(ACPI_HEST_SRC_ID_SEA, paddr)) {
> +                if (!acpi_ghes_memory_errors(ACPI_HEST_SRC_ID_SEA,
> +                                             paddr)) {
Why the line break?

It will be under 80 chars on one line.

>                      kvm_inject_arm_sea(c);
>                  } else {
>                      error_report("failed to record the error");