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kernel: remove deprecated macro K_THREAD_STACK_MEMBER #77030

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Aug 24, 2024
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kernel: remove deprecated macro K_THREAD_STACK_MEMBER #77030

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3 changes: 3 additions & 0 deletions doc/releases/release-notes-4.0.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,9 @@ API Changes
Removed APIs in this release
============================

* Macro ``K_THREAD_STACK_MEMBER``, deprecated since v3.5.0, has been removed.
Use :c:macro:`K_KERNEL_STACK_MEMBER` instead.

Deprecated in this release
==========================

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22 changes: 0 additions & 22 deletions include/zephyr/kernel/thread_stack.h
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Expand Up @@ -293,7 +293,6 @@ static inline char *K_KERNEL_STACK_BUFFER(k_thread_stack_t *sym)
#define K_THREAD_STACK_LEN K_KERNEL_STACK_LEN
#define K_THREAD_STACK_DEFINE K_KERNEL_STACK_DEFINE
#define K_THREAD_STACK_ARRAY_DEFINE K_KERNEL_STACK_ARRAY_DEFINE
#define K_THREAD_STACK_MEMBER K_KERNEL_STACK_MEMBER
#define K_THREAD_STACK_BUFFER K_KERNEL_STACK_BUFFER
#define K_THREAD_STACK_DECLARE K_KERNEL_STACK_DECLARE
#define K_THREAD_STACK_ARRAY_DECLARE K_KERNEL_STACK_ARRAY_DECLARE
Expand Down Expand Up @@ -613,27 +612,6 @@ static inline char *K_KERNEL_STACK_BUFFER(k_thread_stack_t *sym)
K_THREAD_STACK_ARRAY_DEFINE(sym, nmemb, size)
#endif /* CONFIG_LINKER_USE_PINNED_SECTION */

/**
* @brief Define an embedded stack memory region
*
* Used for stacks embedded within other data structures. Use is highly
* discouraged but in some cases necessary. For memory protection scenarios,
* it is very important that any RAM preceding this member not be writable
* by threads else a stack overflow will lead to silent corruption. In other
* words, the containing data structure should live in RAM owned by the kernel.
*
* A user thread can only be started with a stack defined in this way if
* the thread starting it is in supervisor mode.
*
* @deprecated This is now deprecated, as stacks defined in this way are not
* usable from user mode. Use K_KERNEL_STACK_MEMBER.
*
* @param sym Thread stack symbol name
* @param size Size of the stack memory region
*/
#define K_THREAD_STACK_MEMBER(sym, size) __DEPRECATED_MACRO \
Z_THREAD_STACK_DEFINE_IN(sym, size,)

/** @} */

/**
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