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authorWill Deacon <will.deacon@arm.com>2012-11-07 09:16:28 -0500
committerCatalin Marinas <catalin.marinas@arm.com>2012-11-08 11:06:20 -0500
commit6212a512240f48d84090bc42a24d6dfb033754bc (patch)
tree3977d5e010a6aa77ec2056662fb7d1284f96559d /lib/strncpy_from_user.c
parent6ba1bc826d160fe4f32bcb188687dcca4bdfaf3d (diff)
arm64: compat: select CONFIG_ARCH_WANT_COMPAT_IPC_PARSE_VERSION
Commit c1d7e01d7877 ("ipc: use Kconfig options for __ARCH_WANT_[COMPAT_]IPC_PARSE_VERSION") replaced the __ARCH_WANT_COMPAT_IPC_PARSE_VERSION token with a corresponding Kconfig option instead. This patch updates arm64 to use the latter, rather than #define an unused token. Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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#ifndef __LINUX_CACHE_H
#define __LINUX_CACHE_H

#include <linux/kernel.h>
#include <asm/cache.h>

#ifndef L1_CACHE_ALIGN
#define L1_CACHE_ALIGN(x) ALIGN(x, L1_CACHE_BYTES)
#endif

#ifndef SMP_CACHE_BYTES
#define SMP_CACHE_BYTES L1_CACHE_BYTES
#endif

#ifndef __read_mostly
#define __read_mostly
#endif

#ifndef ____cacheline_aligned
#define ____cacheline_aligned __attribute__((__aligned__(SMP_CACHE_BYTES)))
#endif

#ifndef ____cacheline_aligned_in_smp
#ifdef CONFIG_SMP
#define ____cacheline_aligned_in_smp ____cacheline_aligned
#else
#define ____cacheline_aligned_in_smp
#endif /* CONFIG_SMP */
#endif

#ifndef __cacheline_aligned
#define __cacheline_aligned					\
  __attribute__((__aligned__(SMP_CACHE_BYTES),			\
		 __section__(".data..cacheline_aligned")))
#endif /* __cacheline_aligned */

#ifndef __cacheline_aligned_in_smp
#ifdef CONFIG_SMP
#define __cacheline_aligned_in_smp __cacheline_aligned
#else
#define __cacheline_aligned_in_smp
#endif /* CONFIG_SMP */
#endif

/*
 * The maximum alignment needed for some critical structures
 * These could be inter-node cacheline sizes/L3 cacheline
 * size etc.  Define this in asm/cache.h for your arch
 */
#ifndef INTERNODE_CACHE_SHIFT
#define INTERNODE_CACHE_SHIFT L1_CACHE_SHIFT
#endif

#if !defined(____cacheline_internodealigned_in_smp)
#if defined(CONFIG_SMP)
#define ____cacheline_internodealigned_in_smp \
	__attribute__((__aligned__(1 << (INTERNODE_CACHE_SHIFT))))
#else
#define ____cacheline_internodealigned_in_smp
#endif
#endif

#ifndef CONFIG_ARCH_HAS_CACHE_LINE_SIZE
#define cache_line_size()	L1_CACHE_BYTES
#endif

#endif /* __LINUX_CACHE_H */
generated by cgit v1.2.2 (git 2.25.0) at 2025-08-22 16:41:46 -0400