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xtensa: Use generic config PREEMPT definition

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So that it can handle the new CONFIG_PREEMPT_COUNT.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Chris Zankel <chris@zankel.net>
This commit is contained in:
Frederic Weisbecker 2011-07-05 17:45:34 +02:00
parent e22c8f4616
commit bd96efe17d
1 changed files with 1 additions and 12 deletions
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13
arch/xtensa/Kconfig
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@ -80,18 +80,7 @@ config XTENSA_UNALIGNED_USER
Say Y here to enable unaligned memory access in user space.
config PREEMPT
bool "Preemptible Kernel"
help
This option reduces the latency of the kernel when reacting to
real-time or interactive events by allowing a low priority process to
be preempted even if it is in kernel mode executing a system call.
Unfortunately the kernel code has some race conditions if both
CONFIG_SMP and CONFIG_PREEMPT are enabled, so this option is
currently disabled if you are building an SMP kernel.
Say Y here if you are building a kernel for a desktop, embedded
or real-time system. Say N if you are unsure.
source "kernel/Kconfig.preempt"
config MATH_EMULATION
bool "Math emulation"