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nptl: Eliminate <smp.h> and __is_smp

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Most systems are SMP, so optimizing for the UP case is no longer
approriate.  A dynamic check based on the kernel identification
has been only implemented for i386 anyway.

To disable adaptive mutexes on sh, define DEFAULT_ADAPTIVE_COUNT
as zero for this architecture.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
This commit is contained in:
Florian Weimer
2020-11-13 15:19:41 +01:00
parent d5c4cce9c3
commit 26f7c72a99
9 changed files with 20 additions and 121 deletions
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3
nptl/pthreadP.h
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@ -208,9 +208,6 @@ extern void __default_pthread_attr_freeres (void) attribute_hidden;
extern size_t __static_tls_size attribute_hidden;
extern size_t __static_tls_align_m1 attribute_hidden;
/* Flag whether the machine is SMP or not. */
extern int __is_smp attribute_hidden;
/* Thread descriptor handling. */
extern list_t __stack_user;
hidden_proto (__stack_user)