Patch "um: Fix the -Wmissing-prototypes warning for __switch_mm" has been added to the 6.8-stable tree

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This is a note to let you know that I've just added the patch titled

    um: Fix the -Wmissing-prototypes warning for __switch_mm

to the 6.8-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     um-fix-the-wmissing-prototypes-warning-for-__switch_.patch
and it can be found in the queue-6.8 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 6c8175d2fac0e6e29c37a2b6cebf916d4e93c67b
Author: Tiwei Bie <tiwei.btw@xxxxxxxxxxxx>
Date:   Tue Apr 23 20:58:53 2024 +0800

    um: Fix the -Wmissing-prototypes warning for __switch_mm
    
    [ Upstream commit 2cbade17b18c0f0fd9963f26c9fc9b057eb1cb3a ]
    
    The __switch_mm function is defined in the user code, and is called
    by the kernel code. It should be declared in a shared header.
    
    Fixes: 4dc706c2f292 ("um: take um_mmu.h to asm/mmu.h, clean asm/mmu_context.h a bit")
    Signed-off-by: Tiwei Bie <tiwei.btw@xxxxxxxxxxxx>
    Signed-off-by: Richard Weinberger <richard@xxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/arch/um/include/asm/mmu.h b/arch/um/include/asm/mmu.h
index a7555e43ed14a..f2923c767bb9a 100644
--- a/arch/um/include/asm/mmu.h
+++ b/arch/um/include/asm/mmu.h
@@ -14,8 +14,6 @@ typedef struct mm_context {
 	struct uml_arch_mm_context arch;
 } mm_context_t;
 
-extern void __switch_mm(struct mm_id * mm_idp);
-
 /* Avoid tangled inclusion with asm/ldt.h */
 extern long init_new_ldt(struct mm_context *to_mm, struct mm_context *from_mm);
 extern void free_ldt(struct mm_context *mm);
diff --git a/arch/um/include/shared/skas/mm_id.h b/arch/um/include/shared/skas/mm_id.h
index e82e203f5f419..92dbf727e3842 100644
--- a/arch/um/include/shared/skas/mm_id.h
+++ b/arch/um/include/shared/skas/mm_id.h
@@ -15,4 +15,6 @@ struct mm_id {
 	int kill;
 };
 
+void __switch_mm(struct mm_id *mm_idp);
+
 #endif




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