Commit 95b09161 authored by Brian Gerst's avatar Brian Gerst Committed by Ingo Molnar
Browse files

percpu: Remove PER_CPU_FIRST_SECTION 



x86-64 was the last user.

Signed-off-by: default avatarBrian Gerst <brgerst@gmail.com>
Signed-off-by: default avatarIngo Molnar <mingo@kernel.org>
Reviewed-by: default avatarArd Biesheuvel <ardb@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: https://lore.kernel.org/r/20250123190747.745588-13-brgerst@gmail.com
parent 38a4968b

include/asm-generic/vmlinux.lds.h

+0 −1
Original line number Diff line number Diff line
@@ -1062,7 +1062,6 @@ defined(CONFIG_AUTOFDO_CLANG) || defined(CONFIG_PROPELLER_CLANG) 
 */

#define PERCPU_INPUT(cacheline)						\

	__per_cpu_start = .;						\

	*(.data..percpu..first)						\

	. = ALIGN(PAGE_SIZE);						\

	*(.data..percpu..page_aligned)					\

	. = ALIGN(cacheline);						\

include/linux/percpu-defs.h

+0 −12
Original line number Diff line number Diff line
@@ -26,13 +26,11 @@ 
#define PER_CPU_SHARED_ALIGNED_SECTION "..shared_aligned"

#define PER_CPU_ALIGNED_SECTION "..shared_aligned"

#endif

#define PER_CPU_FIRST_SECTION "..first"



#else



#define PER_CPU_SHARED_ALIGNED_SECTION ""

#define PER_CPU_ALIGNED_SECTION "..shared_aligned"

#define PER_CPU_FIRST_SECTION ""



#endif
@@ -114,16 +112,6 @@ 
#define DEFINE_PER_CPU(type, name)					\

	DEFINE_PER_CPU_SECTION(type, name, "")



/*

 * Declaration/definition used for per-CPU variables that must come first in

 * the set of variables.

 */

#define DECLARE_PER_CPU_FIRST(type, name)				\

	DECLARE_PER_CPU_SECTION(type, name, PER_CPU_FIRST_SECTION)



#define DEFINE_PER_CPU_FIRST(type, name)				\

	DEFINE_PER_CPU_SECTION(type, name, PER_CPU_FIRST_SECTION)



/*

 * Declaration/definition used for per-CPU variables that must be cacheline

 * aligned under SMP conditions so that, whilst a particular instance of the