diff options
author | Frederic Weisbecker <fweisbec@gmail.com> | 2011-07-05 11:45:34 -0400 |
---|---|---|
committer | Frederic Weisbecker <fweisbec@gmail.com> | 2011-07-05 12:01:16 -0400 |
commit | bd96efe17d945f0bad56d592f8686dc6309905e7 (patch) | |
tree | e11b31ed9a7fbe71549ccf8a26cc53c103bcc0cf /arch/xtensa | |
parent | e22c8f4616c8e68b7659331409e9c081ce265498 (diff) |
xtensa: Use generic config PREEMPT definition
So that it can handle the new CONFIG_PREEMPT_COUNT.
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Chris Zankel <chris@zankel.net>
Diffstat (limited to 'arch/xtensa')
-rw-r--r-- | arch/xtensa/Kconfig | 13 |
1 files changed, 1 insertions, 12 deletions
diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig index 5d43c1f8ada8..c346ccdce0df 100644 --- a/arch/xtensa/Kconfig +++ b/arch/xtensa/Kconfig | |||
@@ -80,18 +80,7 @@ config XTENSA_UNALIGNED_USER | |||
80 | 80 | ||
81 | Say Y here to enable unaligned memory access in user space. | 81 | Say Y here to enable unaligned memory access in user space. |
82 | 82 | ||
83 | config PREEMPT | 83 | source "kernel/Kconfig.preempt" |
84 | bool "Preemptible Kernel" | ||
85 | help | ||
86 | This option reduces the latency of the kernel when reacting to | ||
87 | real-time or interactive events by allowing a low priority process to | ||
88 | be preempted even if it is in kernel mode executing a system call. | ||
89 | Unfortunately the kernel code has some race conditions if both | ||
90 | CONFIG_SMP and CONFIG_PREEMPT are enabled, so this option is | ||
91 | currently disabled if you are building an SMP kernel. | ||
92 | |||
93 | Say Y here if you are building a kernel for a desktop, embedded | ||
94 | or real-time system. Say N if you are unsure. | ||
95 | 84 | ||
96 | config MATH_EMULATION | 85 | config MATH_EMULATION |
97 | bool "Math emulation" | 86 | bool "Math emulation" |