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Drop some straggling mentions of gcc-4.9 as being stale

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Fix up the admin-guide README file to the new gcc-5.1 requirement, and
remove a stale comment about gcc support for the __assume_aligned__
attribute.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Linus Torvalds
2021-09-13 10:29:44 -07:00
parent 6d2ef226f2
commit df26327ea0
4 changed files with 3 additions and 4 deletions
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2
Documentation/admin-guide/README.rst
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@@ -259,7 +259,7 @@ Configuring the kernel
Compiling the kernel Compiling the kernel
-------------------- --------------------
- Make sure you have at least gcc 4.9 available. - Make sure you have at least gcc 5.1 available.
For more information, refer to :ref:`Documentation/process/changes.rst <changes>`. For more information, refer to :ref:`Documentation/process/changes.rst <changes>`.
Please note that you can still run a.out user programs with this kernel. Please note that you can still run a.out user programs with this kernel.

2
Documentation/translations/zh_CN/admin-guide/README.rst
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@@ -223,7 +223,7 @@ Linux内核5.x版本 <http://kernel.org/>
编译内核 编译内核
--------- ---------
- 确保您至少有gcc 4.9可用。 - 确保您至少有gcc 5.1可用。
有关更多信息，请参阅 :ref:`Documentation/process/changes.rst <changes>` 。 有关更多信息，请参阅 :ref:`Documentation/process/changes.rst <changes>` 。
请注意，您仍然可以使用此内核运行a.out用户程序。 请注意，您仍然可以使用此内核运行a.out用户程序。

2
Documentation/translations/zh_TW/admin-guide/README.rst
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@@ -226,7 +226,7 @@ Linux內核5.x版本 <http://kernel.org/>
編譯內核 編譯內核
--------- ---------
- 確保您至少有gcc 4.9可用。 - 確保您至少有gcc 5.1可用。
有關更多信息，請參閱 :ref:`Documentation/process/changes.rst <changes>` 。 有關更多信息，請參閱 :ref:`Documentation/process/changes.rst <changes>` 。
請注意，您仍然可以使用此內核運行a.out用戶程序。 請注意，您仍然可以使用此內核運行a.out用戶程序。

1
include/linux/compiler_attributes.h
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@@ -54,7 +54,6 @@
* compiler should see some alignment anyway, when the return value is * compiler should see some alignment anyway, when the return value is
* massaged by 'flags = ptr & 3; ptr &= ~3;'). * massaged by 'flags = ptr & 3; ptr &= ~3;').
* *
* Optional: only supported since gcc >= 4.9
* Optional: not supported by icc * Optional: not supported by icc
* *
* gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#index-assume_005faligned-function-attribute * gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#index-assume_005faligned-function-attribute