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Bernd Schmidt 7adfb58fbd Blackfin arch: defines and provides entry points for certain user space functions at fixed addresses ... This patch defines (and provides) entry points for certain user space functions at fixed addresses. The Blackfin has no usable atomic instructions, but we can ensure that these code sequences appear atomic from a user space point of view by detecting when we're in the process of executing them during the interrupt handler return path. This allows much more efficient pthread lock implementations than the bfin_spinlock syscall we're currently using. Also provided is a small sys_rt_sigreturn stub which can be used by the signal handler setup code. The signal.c part will be committed separately. Signed-off-by: Bernd Schmidt <bernd.schmidt@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>		18 years ago
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boot	blackfin architecture	18 years ago
configs	Blackfin arch: update board defconfig files	18 years ago
kernel	Blackfin arch: defines and provides entry points for certain user space functions at fixed addresses	18 years ago
lib	Blackfin arch: update ANOMALY handling	18 years ago
mach-bf533	Blackfin arch: initial supporting for BF548-EZKIT	18 years ago
mach-bf537	Blackfin arch: initial supporting for BF548-EZKIT	18 years ago
mach-bf548	Blackfin arch: initial supporting for BF548-EZKIT	18 years ago
mach-bf561	Blackfin arch: initial supporting for BF548-EZKIT	18 years ago
mach-common	Blackfin arch: defines and provides entry points for certain user space functions at fixed addresses	18 years ago
mm	Blackfin arch: make sure we initialize our L1 Data B section properly based on the linked kernel	18 years ago
oprofile	blackfin architecture	18 years ago
Kconfig	Blackfin arch: initial supporting for BF548-EZKIT	18 years ago
Makefile	Blackfin arch: initial supporting for BF548-EZKIT	18 years ago