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Author SHA1 Message Date
Kirill A. Shutemov bd72baff22 x86/runtime-const: Add the RUNTIME_CONST_PTR assembly macro 
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
 2025-03-19 11:26:24 +01:00
Linus Torvalds 4dc1f31ec3 x86: fix whitespace in runtime-const assembler output 
The x86 user pointer validation changes made me look at compiler output
a lot, and the wrong indentation for the ".popsection" in the generated
assembler triggered me.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2024-10-25 09:53:03 -07:00
Linus Torvalds e3c92e8171 runtime constants: add x86 architecture support 
This implements the runtime constant infrastructure for x86, allowing
the dcache d_hash() function to be generated using as a constant for
hash table address followed by shift by a constant of the hash index.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2024-06-19 12:34:34 -07:00