From: "Rafael J. Wysocki" <rafael@kernel.org>
To: Lv Zheng <lv.zheng@intel.com>
Cc: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
Len Brown <len.brown@intel.com>, Lv Zheng <zetalog@gmail.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
ACPI Devel Maling List <linux-acpi@vger.kernel.org>,
Dan Williams <dan.j.williams@intel.com>
Subject: Re: [PATCH] ACPI / OSL: Fix a regression by returning table size via acpi_get_table_with_size()
Date: Fri, 9 Dec 2016 04:48:53 +0100 [thread overview]
Message-ID: <CAJZ5v0hqYRGU_Ok8ZGhv4OS=JYj7YY5hxhFnTqZSdw=cpV3-mw@mail.gmail.com> (raw)
In-Reply-To: <b8107fa792de9cb442c342433043604080699fc6.1481249993.git.lv.zheng@intel.com>
On Fri, Dec 9, 2016 at 3:21 AM, Lv Zheng <lv.zheng@intel.com> wrote:
> The returned size is still used by the drivers.
>
> Reported-by: Dan Williams <dan.j.williams@intel.com>
> Cc: Dan Williams <dan.j.williams@intel.com>
> Signed-off-by: Lv Zheng <lv.zheng@intel.com>
> ---
> drivers/acpi/osl.c | 8 ++++++--
> 1 file changed, 6 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
> index 5bef0f65..adf1ec4 100644
> --- a/drivers/acpi/osl.c
> +++ b/drivers/acpi/osl.c
> @@ -445,8 +445,12 @@ void __ref acpi_os_unmap_memory(void *virt, acpi_size size)
>
> status = acpi_get_table(signature, instance, out_table);
> if (ACPI_SUCCESS(status)) {
> - /* No longer used by early_acpi_os_unmap_memory() */
> - *tbl_size = 0;
> + /*
> + * No longer used by early_acpi_os_unmap_memory(), but still
> + * used by the ACPI table drivers.
> + */
> + if (*out_table)
> + *tbl_size = (*out_table)->length;
> }
>
> return (status);
> --
The changelog doesn't explain anything. Please say (a) what the
problem is and (b) how it is being addressed by your patch.
Thanks,
Rafael
next prev parent reply other threads:[~2016-12-09 3:48 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-30 7:20 [PATCH 00/11] ACPICA: 20161117 Release Lv Zheng
2016-11-30 7:20 ` [PATCH 01/11] ACPICA: Namespace: Add acpi_ns_handle_to_name() Lv Zheng
2016-11-30 7:20 ` [PATCH 02/11] ACPICA: Back port of "ACPICA: Dispatcher: Tune interpreter lock around AcpiEvInitializeRegion()" Lv Zheng
2016-11-30 22:30 ` Rafael J. Wysocki
2016-12-01 7:50 ` Zheng, Lv
2016-12-01 13:29 ` Rafael J. Wysocki
2016-11-30 7:21 ` [PATCH 04/11] ACPICA: Events: Fix acpi_ev_initialize_region() return value Lv Zheng
2016-11-30 23:07 ` Rafael J. Wysocki
2016-12-01 8:00 ` Zheng, Lv
2016-12-01 13:30 ` Rafael J. Wysocki
2016-11-30 7:21 ` [PATCH 05/11] ACPICA: Tables: Cleanup acpi_tb_install_and_load_table() Lv Zheng
2016-11-30 7:21 ` [PATCH 06/11] ACPICA: Tables: Add acpi_tb_unload_table() Lv Zheng
2016-11-30 7:21 ` [PATCH 07/11] ACPICA: Tables: Add an error message complaining driver bugs Lv Zheng
2016-11-30 7:21 ` [PATCH 08/11] ACPICA: Tables: Back port acpi_get_table_with_size() and early_acpi_os_unmap_memory() from Linux kernel Lv Zheng
2016-12-08 1:11 ` Dan Williams
2016-12-08 13:18 ` Rafael J. Wysocki
2016-12-08 19:04 ` Dan Williams
2016-12-09 1:59 ` Zheng, Lv
2016-12-09 2:04 ` Dan Williams
2016-12-09 2:15 ` Zheng, Lv
2016-12-09 2:27 ` Zheng, Lv
2016-12-09 2:05 ` Rafael J. Wysocki
2016-12-09 2:23 ` Zheng, Lv
2016-12-09 1:49 ` Zheng, Lv
2016-12-09 1:57 ` Dan Williams
2016-11-30 7:21 ` [PATCH 09/11] ACPICA: Tables: Allow FADT to be customized with virtual address Lv Zheng
2016-11-30 7:21 ` [PATCH 10/11] ACPICA: Utilities: Add new decode function for parser values Lv Zheng
2016-11-30 7:22 ` [PATCH 11/11] ACPICA: Update version to 20161117 Lv Zheng
2016-12-09 2:21 ` [PATCH] ACPI / OSL: Fix a regression by returning table size via acpi_get_table_with_size() Lv Zheng
2016-12-09 3:48 ` Rafael J. Wysocki [this message]
2016-12-09 6:09 ` Zheng, Lv
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