Re: [PATCH v5 08/16] acpi/ghes: don't check if physical_address is not zero

From: Igor Mammedov
Date: Wed Dec 04 2024 - 08:13:04 EST


On Wed, 4 Dec 2024 08:41:16 +0100
Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx> wrote:

> The 'physical_address' value is a faulty page. As such, 0 is
> as valid as any other value.
>
> Suggested-by: Igor Mammedov <imammedo@xxxxxxxxxx>
> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx>

Reviewed-by: Igor Mammedov <imammedo@xxxxxxxxxx>

> ---
> hw/acpi/ghes.c | 4 ----
> 1 file changed, 4 deletions(-)
>
> diff --git a/hw/acpi/ghes.c b/hw/acpi/ghes.c
> index edc74c38bf8a..a3dffd78b012 100644
> --- a/hw/acpi/ghes.c
> +++ b/hw/acpi/ghes.c
> @@ -400,10 +400,6 @@ int acpi_ghes_record_errors(uint16_t source_id, uint64_t physical_address)
>
> start_addr = le64_to_cpu(ags->ghes_addr_le);
>
> - if (!physical_address) {
> - return -1;
> - }
> -
> start_addr += source_id * sizeof(uint64_t);
>
> cpu_physical_memory_read(start_addr, &error_block_addr,