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x86/percpu: Construct __percpu_seg_override from __percpu_seg

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Construct __percpu_seg_override macro from __percpu_seg by
concatenating the later with __seg_ prefix to reduce ifdeffery.

No functional change intended.

Signed-off-by: Uros Bizjak <ubizjak@gmail.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: https://lore.kernel.org/r/20250225200235.48007-1-ubizjak@gmail.com
This commit is contained in:
Uros Bizjak 2025-02-25 21:02:20 +01:00 committed by Ingo Molnar
parent c4f23a9d6e
commit 79165720f3
1 changed files with 2 additions and 6 deletions
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8
arch/x86/include/asm/percpu.h
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@ -22,6 +22,7 @@
#else /* !__ASSEMBLY__: */
#include <linux/args.h>
#include <linux/build_bug.h>
#include <linux/stringify.h>
#include <asm/asm.h>
@ -35,12 +36,7 @@
# define __seg_fs __attribute__((address_space(__seg_fs)))
#endif
#ifdef CONFIG_X86_64
# define __percpu_seg_override __seg_gs
#else
# define __percpu_seg_override __seg_fs
#endif
#define __percpu_seg_override CONCATENATE(__seg_, __percpu_seg)
#define __percpu_prefix ""
#else /* !CONFIG_CC_HAS_NAMED_AS: */