From: "Rafael J. Wysocki" <rjw@rjwysocki.net>
To: al.stone@linaro.org
Cc: lenb@kernel.org, catalin.marinas@arm.com, will.deacon@arm.com,
robert.moore@intel.com, tony.luck@intel.com,
fenghua.yu@intel.com, linux-ia64@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org,
devel@acpica.org, linux-arm-kernel@lists.infradead.org,
linaro-acpi@lists.linaro.org, linaro-kernel@lists.linaro.org,
patches@linaro.org
Subject: Re: [PATCH v3 9/9] ACPI: arm64: use "Linux" as ACPI_OS_NAME for _OS on arm64
Date: Thu, 05 Mar 2015 00:17:33 +0100 [thread overview]
Message-ID: <1826593.dqIcOSxkcP@vostro.rjw.lan> (raw)
In-Reply-To: <1424824585-6405-10-git-send-email-al.stone@linaro.org>
On Tuesday, February 24, 2015 05:36:25 PM al.stone@linaro.org wrote:
> From: Al Stone <al.stone@linaro.org>
>
> ACPI_OS_NAME is globally defined as "Microsoft Windows NT" for now.
> That doesn't make much sense in the ARM context, so set it to "Linux"
> when CONFIG_ARM64.
>
> If it is necessary to change the return value from \_OS_ (that is, return
> some value other than the default in ACPI_OS_NAME), use the kernel parameter
> "acpi_os_name=<string>".
>
> Many thanks to Rafael Wysocki for this greatly simplified form of the patch.
>
> Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>
> Signed-off-by: Al Stone <al.stone@linaro.org>
Yup, fine by me.
> ---
> arch/arm64/Kconfig | 5 +++++
> include/acpi/acconfig.h | 2 ++
> include/acpi/platform/aclinux.h | 4 ++++
> 3 files changed, 11 insertions(+)
>
> diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
> index e441d28..d812113 100644
> --- a/arch/arm64/Kconfig
> +++ b/arch/arm64/Kconfig
> @@ -87,6 +87,11 @@ config ARM64
> config 64BIT
> def_bool y
>
> +config ACPI_OS_NAME
> + string
> + default "Linux"
> + depends on ACPI
> +
> config ARCH_PHYS_ADDR_T_64BIT
> def_bool y
>
> diff --git a/include/acpi/acconfig.h b/include/acpi/acconfig.h
> index 5a0a3e5..1980bf4 100644
> --- a/include/acpi/acconfig.h
> +++ b/include/acpi/acconfig.h
> @@ -69,7 +69,9 @@
> * code that will not execute the _OSI method unless _OS matches the string
> * below. Therefore, change this string at your own risk.
> */
> +#ifndef ACPI_OS_NAME
> #define ACPI_OS_NAME "Microsoft Windows NT"
> +#endif
>
> /* Maximum objects in the various object caches */
>
> diff --git a/include/acpi/platform/aclinux.h b/include/acpi/platform/aclinux.h
> index 1ba7c19..a871cdd 100644
> --- a/include/acpi/platform/aclinux.h
> +++ b/include/acpi/platform/aclinux.h
> @@ -69,6 +69,10 @@
> #define ACPI_REDUCED_HARDWARE 1
> #endif
>
> +#ifdef CONFIG_ACPI_OS_NAME
> +#define ACPI_OS_NAME CONFIG_ACPI_OS_NAME
> +#endif
> +
> #include <linux/string.h>
> #include <linux/kernel.h>
> #include <linux/ctype.h>
>
--
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
prev parent reply other threads:[~2015-03-04 22:53 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-25 0:36 [PATCH v3 0/9] Start deprecating _OSI on new architectures al.stone
2015-02-25 0:36 ` [PATCH v3 1/9] ACPI: fix all errors reported by cleanpatch.pl in osl.c al.stone
2015-02-25 12:47 ` Hanjun Guo
2015-03-04 23:04 ` Rafael J. Wysocki
2015-03-04 23:56 ` Al Stone
2015-03-05 0:25 ` Rafael J. Wysocki
2015-03-05 0:06 ` Al Stone
2015-02-25 0:36 ` [PATCH v3 2/9] ACPI: clear up warnings on use of printk reported by checkpatch.pl al.stone
2015-02-25 12:55 ` Hanjun Guo
2015-02-25 20:56 ` Al Stone
2015-02-25 0:36 ` [PATCH v3 3/9] ACPI: clean up checkpatch warnings for various bits of syntax al.stone
2015-02-25 12:59 ` [Linaro-acpi] " Hanjun Guo
2015-02-25 0:36 ` [PATCH v3 4/9] ACPI: clean up checkpatch warnings for items with possible semantic value al.stone
2015-02-25 13:08 ` [Linaro-acpi] " Hanjun Guo
2015-02-25 20:57 ` Al Stone
2015-02-25 0:36 ` [PATCH v3 5/9] ACPI: move acpi_os_handler() so it can be made arch-dependent later al.stone
2015-02-25 13:47 ` [Linaro-acpi] " Hanjun Guo
2015-02-25 0:36 ` [PATCH v3 6/9] ACPI: move _OSI support functions to allow arch-dependent implementation al.stone
2015-03-04 23:09 ` Rafael J. Wysocki
2015-02-25 0:36 ` [PATCH v3 7/9] ACPI: enable arch-specific compilation for _OSI and the blacklist al.stone
2015-03-04 23:11 ` Rafael J. Wysocki
2015-02-25 0:36 ` [PATCH v3 8/9] ACPI: arm64: use an arch-specific ACPI _OSI method and ACPI blacklist al.stone
2015-03-02 17:29 ` Will Deacon
2015-03-02 19:00 ` Al Stone
2015-03-04 23:14 ` Rafael J. Wysocki
2015-03-05 10:17 ` Will Deacon
2015-03-05 12:56 ` Rafael J. Wysocki
2015-03-04 23:16 ` Rafael J. Wysocki
2015-02-25 0:36 ` [PATCH v3 9/9] ACPI: arm64: use "Linux" as ACPI_OS_NAME for _OS on arm64 al.stone
2015-03-04 23:17 ` Rafael J. Wysocki [this message]
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