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RE: [PATCH] ACPICA: Export mutex functions

From "Moore, Robert" <robert.moore@intel.com>
Newsgroups linux.kernel
Subject RE: [PATCH] ACPICA: Export mutex functions
Date 2017-04-12 17:40 +0200
Message-ID <tvsxb-6br-3@gated-at.bofh.it> (permalink)
References <tvsdQ-64C-27@gated-at.bofh.it>
Organization linux.* mail to news gateway

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The ACPICA mutex functions are based on the host OS functions, so they don't really buy you anything. You should just use the native Linux functions.


> -----Original Message-----
> From: Guenter Roeck [mailto:linux@roeck-us.net]
> Sent: Wednesday, April 12, 2017 8:13 AM
> To: Moore, Robert <robert.moore@intel.com>; Zheng, Lv
> <lv.zheng@intel.com>; Wysocki, Rafael J <rafael.j.wysocki@intel.com>;
> Len Brown <lenb@kernel.org>
> Cc: linux-acpi@vger.kernel.org; devel@acpica.org; linux-
> kernel@vger.kernel.org; Guenter Roeck <linux@roeck-us.net>
> Subject: [PATCH] ACPICA: Export mutex functions
> 
> Mutex functions may be needed by drivers. Examples are accesses to
> Super-IO SIO registers (0x2e/0x2f or 0x4e/0x4f) or Super-IO
> environmental monitor registers, both which may also be accessed through
> DSDT.
> 
> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
> ---
>  drivers/acpi/acpica/utxfmutex.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/acpi/acpica/utxfmutex.c
> b/drivers/acpi/acpica/utxfmutex.c index c016211c35ae..5d20581f4b2f
> 100644
> --- a/drivers/acpi/acpica/utxfmutex.c
> +++ b/drivers/acpi/acpica/utxfmutex.c
> @@ -150,6 +150,7 @@ acpi_acquire_mutex(acpi_handle handle, acpi_string
> pathname, u16 timeout)
>  	status = acpi_os_acquire_mutex(mutex_obj->mutex.os_mutex, timeout);
>  	return (status);
>  }
> +ACPI_EXPORT_SYMBOL(acpi_acquire_mutex)
> 
> 
> /***********************************************************************
> ********
>   *
> @@ -185,3 +186,4 @@ acpi_status acpi_release_mutex(acpi_handle handle,
> acpi_string pathname)
>  	acpi_os_release_mutex(mutex_obj->mutex.os_mutex);
>  	return (AE_OK);
>  }
> +ACPI_EXPORT_SYMBOL(acpi_release_mutex)
> --
> 2.7.4

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Thread

[PATCH] ACPICA: Export mutex functions Guenter Roeck <linux@roeck-us.net> - 2017-04-12 17:20 +0200
  RE: [PATCH] ACPICA: Export mutex functions "Moore, Robert" <robert.moore@intel.com> - 2017-04-12 17:40 +0200
    Re: [PATCH] ACPICA: Export mutex functions Guenter Roeck <linux@roeck-us.net> - 2017-04-12 23:30 +0200
      RE: [PATCH] ACPICA: Export mutex functions "Moore, Robert" <robert.moore@intel.com> - 2017-04-13 00:00 +0200
        Re: [PATCH] ACPICA: Export mutex functions Guenter Roeck <linux@roeck-us.net> - 2017-04-13 03:00 +0200
        Re: [PATCH] ACPICA: Export mutex functions "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2017-04-15 00:40 +0200
          RE: [PATCH] ACPICA: Export mutex functions "Moore, Robert" <robert.moore@intel.com> - 2017-04-15 01:40 +0200
      RE: [PATCH] ACPICA: Export mutex functions "Zheng, Lv" <lv.zheng@intel.com> - 2017-04-17 11:40 +0200
        RE: [PATCH] ACPICA: Export mutex functions "Zheng, Lv" <lv.zheng@intel.com> - 2017-04-17 11:50 +0200
          Re: [PATCH] ACPICA: Export mutex functions Guenter Roeck <linux@roeck-us.net> - 2017-04-17 16:10 +0200
            RE: [PATCH] ACPICA: Export mutex functions "Zheng, Lv" <lv.zheng@intel.com> - 2017-04-18 01:40 +0200
        Re: [PATCH] ACPICA: Export mutex functions Guenter Roeck <linux@roeck-us.net> - 2017-04-17 18:00 +0200
          RE: [PATCH] ACPICA: Export mutex functions "Moore, Robert" <robert.moore@intel.com> - 2017-04-17 19:20 +0200
            RE: [PATCH] ACPICA: Export mutex functions "Moore, Robert" <robert.moore@intel.com> - 2017-04-17 21:30 +0200
              Re: [PATCH] ACPICA: Export mutex functions Guenter Roeck <linux@roeck-us.net> - 2017-04-17 21:50 +0200
                RE: [PATCH] ACPICA: Export mutex functions "Moore, Robert" <robert.moore@intel.com> - 2017-04-17 22:50 +0200
                Re: [PATCH] ACPICA: Export mutex functions Guenter Roeck <linux@roeck-us.net> - 2017-04-17 23:10 +0200
                Re: [PATCH] ACPICA: Export mutex functions "Rafael J. Wysocki" <rafael@kernel.org> - 2017-04-17 23:30 +0200
                Re: [PATCH] ACPICA: Export mutex functions Guenter Roeck <linux@roeck-us.net> - 2017-04-18 00:40 +0200
                Re: [PATCH] ACPICA: Export mutex functions "Rafael J. Wysocki" <rafael@kernel.org> - 2017-04-18 01:00 +0200
                RE: [PATCH] ACPICA: Export mutex functions "Zheng, Lv" <lv.zheng@intel.com> - 2017-04-18 02:00 +0200
                Re: [PATCH] ACPICA: Export mutex functions Guenter Roeck <linux@roeck-us.net> - 2017-04-18 06:40 +0200
                RE: [PATCH] ACPICA: Export mutex functions "Zheng, Lv" <lv.zheng@intel.com> - 2017-04-18 09:10 +0200
                RE: [PATCH] ACPICA: Export mutex functions "Zheng, Lv" <lv.zheng@intel.com> - 2017-04-18 09:20 +0200
                Re: [PATCH] ACPICA: Export mutex functions Guenter Roeck <linux@roeck-us.net> - 2017-04-18 16:00 +0200
                Re: [PATCH] ACPICA: Export mutex functions "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2017-04-18 16:30 +0200
                RE: [PATCH] ACPICA: Export mutex functions "Moore, Robert" <robert.moore@intel.com> - 2017-04-18 18:10 +0200
                RE: [PATCH] ACPICA: Export mutex functions "Zheng, Lv" <lv.zheng@intel.com> - 2017-04-19 03:30 +0200
                RE: [PATCH] ACPICA: Export mutex functions "Zheng, Lv" <lv.zheng@intel.com> - 2017-04-19 03:40 +0200
                RE: [PATCH] ACPICA: Export mutex functions "Zheng, Lv" <lv.zheng@intel.com> - 2017-04-18 02:00 +0200
              RE: [PATCH] ACPICA: Export mutex functions "Zheng, Lv" <lv.zheng@intel.com> - 2017-04-18 01:50 +0200
            RE: [PATCH] ACPICA: Export mutex functions "Moore, Robert" <robert.moore@intel.com> - 2017-04-17 21:40 +0200
          RE: [PATCH] ACPICA: Export mutex functions "Zheng, Lv" <lv.zheng@intel.com> - 2017-04-18 01:40 +0200

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