Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
Merge branch 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking fixes from Ingo Molnar:
"No functional effects intended: removes leftovers from recent lockdep
and refcounts work"
* 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
locking/refcounts: Remove stale comment from the ARCH_HAS_REFCOUNT Kconfig entry
locking/lockdep: Remove cross-release leftovers
locking/Documentation: Remove stale crossrelease_fullstack parameter
-16
-3
Documentation/admin-guide/kernel-parameters.txt
-3
Documentation/admin-guide/kernel-parameters.txt
-1
arch/x86/Kconfig
-1
arch/x86/Kconfig
···
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select ARCH_HAS_GCOV_PROFILE_ALL
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select ARCH_HAS_KCOV if X86_64
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select ARCH_HAS_PMEM_API if X86_64
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-
# Causing hangs/crashes, see the commit that added this change for details.
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select ARCH_HAS_REFCOUNT
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select ARCH_HAS_UACCESS_FLUSHCACHE if X86_64
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select ARCH_HAS_SET_MEMORY
-1
include/linux/completion.h
-1
include/linux/completion.h
···
32
32
#define init_completion(x) __init_completion(x)
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static inline void complete_acquire(struct completion *x) {}
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static inline void complete_release(struct completion *x) {}
35
-
static inline void complete_release_commit(struct completion *x) {}
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35
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#define COMPLETION_INITIALIZER(work) \
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{ 0, __WAIT_QUEUE_HEAD_INITIALIZER((work).wait) }
-4
include/linux/irqflags.h
-4
include/linux/irqflags.h
···
27
27
# define trace_hardirq_enter() \
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do { \
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current->hardirq_context++; \
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-
crossrelease_hist_start(XHLOCK_HARD); \
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} while (0)
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# define trace_hardirq_exit() \
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do { \
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current->hardirq_context--; \
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-
crossrelease_hist_end(XHLOCK_HARD); \
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} while (0)
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# define lockdep_softirq_enter() \
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do { \
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current->softirq_context++; \
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-
crossrelease_hist_start(XHLOCK_SOFT); \
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} while (0)
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# define lockdep_softirq_exit() \
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40
do { \
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current->softirq_context--; \
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-
crossrelease_hist_end(XHLOCK_SOFT); \
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} while (0)
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# define INIT_TRACE_IRQFLAGS .softirqs_enabled = 1,
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44
#else
-2
include/linux/lockdep.h
-2
include/linux/lockdep.h
···
475
475
#define STATIC_LOCKDEP_MAP_INIT(_name, _key) \
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{ .name = (_name), .key = (void *)(_key), }
477
477
478
-
static inline void crossrelease_hist_start(enum xhlock_context_t c) {}
479
-
static inline void crossrelease_hist_end(enum xhlock_context_t c) {}
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static inline void lockdep_invariant_state(bool force) {}
481
479
static inline void lockdep_init_task(struct task_struct *task) {}
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static inline void lockdep_free_task(struct task_struct *task) {}