x86/runtime-const: Add the RUNTIME_CONST_PTR assembly macro

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[ Upstream commit bd72baff22 ]

Add an assembly macro to refer runtime cost. It hides linker magic and
makes assembly more readable.

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: https://lore.kernel.org/r/20250304153342.2016569-1-kirill.shutemov@linux.intel.com
Stable-dep-of: 284922f4c5 ("x86: uaccess: don't use runtime-const rewriting in modules")
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Kirill A. Shutemov 2025-03-04 17:33:42 +02:00 • committed by Greg Kroah-Hartman

parent 141a3e658b

commit 822166b6b7

2 changed files with 15 additions and 5 deletions

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13

arch/x86/include/asm/runtime-const.h

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7

arch/x86/lib/getuser.S

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