Re: [PATCH] Decrease `AcpiExTracePoint` verbosity

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On Mon, Jun 9, 2025 at 5:29 AM Mario Limonciello <superm1@xxxxxxxxxx> wrote:
>
> From: Mario Limonciello <mario.limonciello@xxxxxxx>
>
> Early in kernel boot pointers can't be used and so %p shows up
> incorrectly:
>
> ```
> extrace-0138 ex_trace_point        : Method Begin [0x(____ptrval____):\M460] execution.
> ```
>
> Later in the boot %p works, but it's not really actually useful when
> the pathname can resolve properly. Adjust the debug print so that if
> the Pathname resolves that the pointer isn't also printed:
>
> ```
> extrace-0138 ex_trace_point        : Method Begin [\M460] execution.
> ```
>
> Link: https://github.com/acpica/acpica/pull/1013
> Link: https://github.com/acpica/acpica/commit/bdc2a4e646f097b693aa60f1f2c4228d1e31b0d1
> Signed-off-by: Mario Limonciello <mario.limonciello@xxxxxxx>

This is an ACPICA change, so it should be made upstream first unless
there is a good enough reason to make it directly in Linux.  In which
case that reason should be mentioned in the changelog.

> ---
>  drivers/acpi/acpica/extrace.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/acpi/acpica/extrace.c b/drivers/acpi/acpica/extrace.c
> index d34497f3576a4..36934d4f26fb4 100644
> --- a/drivers/acpi/acpica/extrace.c
> +++ b/drivers/acpi/acpica/extrace.c
> @@ -136,9 +136,9 @@ acpi_ex_trace_point(acpi_trace_event_type type,
>
>         if (pathname) {
>                 ACPI_DEBUG_PRINT((ACPI_DB_TRACE_POINT,
> -                                 "%s %s [0x%p:%s] execution.\n",
> +                                 "%s %s [%s] execution.\n",
>                                   acpi_ex_get_trace_event_name(type),
> -                                 begin ? "Begin" : "End", aml, pathname));
> +                                 begin ? "Begin" : "End", pathname));
>         } else {
>                 ACPI_DEBUG_PRINT((ACPI_DB_TRACE_POINT,
>                                   "%s %s [0x%p] execution.\n",
> --
> 2.43.0
>
>





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