mirror of
git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs.git
synced 2026-11-07 01:49:42 +01:00
Sasha Levin
62b989de59
As Peter Zijlstra pointed out, the varargs for WARN() are optional, so we need to correctly handle the case where they don't exist. This would cause a compilation error. Signed-off-by: Sasha Levin <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Thomas Gleixner <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Ingo Molnar <[email protected]>
48 lines
1.1 KiB
C
48 lines
1.1 KiB
C
#ifndef _LIBLOCKDEP_LINUX_KERNEL_H_
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#define _LIBLOCKDEP_LINUX_KERNEL_H_
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#include <linux/export.h>
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#include <linux/types.h>
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#include <linux/rcu.h>
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#include <linux/hardirq.h>
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#include <linux/kern_levels.h>
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#ifndef container_of
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#define container_of(ptr, type, member) ({ \
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const typeof(((type *)0)->member) * __mptr = (ptr); \
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(type *)((char *)__mptr - offsetof(type, member)); })
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#endif
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#define max(x, y) ({ \
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typeof(x) _max1 = (x); \
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typeof(y) _max2 = (y); \
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(void) (&_max1 == &_max2); \
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_max1 > _max2 ? _max1 : _max2; })
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#define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)]))
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#define WARN_ON(x) (x)
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#define WARN_ON_ONCE(x) (x)
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#define likely(x) (x)
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#define WARN(x, y...) (x)
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#define uninitialized_var(x) x
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#define __init
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#define noinline
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#define list_add_tail_rcu list_add_tail
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#define list_for_each_entry_rcu list_for_each_entry
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#define barrier()
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#define synchronize_sched()
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#ifndef CALLER_ADDR0
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#define CALLER_ADDR0 ((unsigned long)__builtin_return_address(0))
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#endif
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#ifndef _RET_IP_
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#define _RET_IP_ CALLER_ADDR0
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#endif
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#ifndef _THIS_IP_
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#define _THIS_IP_ ({ __label__ __here; __here: (unsigned long)&&__here; })
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#endif
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#endif
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