diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-04-01 12:14:20 -0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-04-01 12:14:20 -0400 |
commit | 445c682b93479c06d1b062b63ed79202f3ed5503 (patch) | |
tree | b780cf9d9794f9efe0692ba214a4c11c27f0fe0d /arch/microblaze/kernel/process.c | |
parent | c7681f4637df65082aeee1ea1ff0479607d71982 (diff) | |
parent | ca3865bae5ff86f5670edc9beebbd1f58c29de85 (diff) |
Merge branch 'for-linus' of git://git.monstr.eu/linux-2.6-microblaze
* 'for-linus' of git://git.monstr.eu/linux-2.6-microblaze: (35 commits)
microblaze: Support word copying in copy_tofrom_user
microblaze: Print early printk information to log buffer
microblaze: head.S typo fix
microblaze: Use MICROBLAZE_TLB_SIZE in asm code
microblaze: Kconfig Fix - pci
microblaze: Adding likely macros
microblaze: Add .type and .size to ASM functions
microblaze: Fix TLB macros
microblaze: Use instruction with delay slot
microblaze: Remove additional resr and rear loading
microblaze: Change register usage for ESR and EAR
microblaze: Prepare work for optimization in exception code
microblaze: Add DEBUG option
microblaze: Support systems without lmb bram
microblaze: uaccess: Sync strlen, strnlen, copy_to/from_user
microblaze: uaccess: Unify __copy_tofrom_user
microblaze: uaccess: Move functions to generic location
microblaze: uaccess: Fix put_user for noMMU
microblaze: uaccess: Fix get_user macro for noMMU
microblaze: uaccess: fix clear_user for noMMU kernel
...
Diffstat (limited to 'arch/microblaze/kernel/process.c')
-rw-r--r-- | arch/microblaze/kernel/process.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/arch/microblaze/kernel/process.c b/arch/microblaze/kernel/process.c index 812f1bf06c9e..09bed44dfcd3 100644 --- a/arch/microblaze/kernel/process.c +++ b/arch/microblaze/kernel/process.c | |||
@@ -15,6 +15,7 @@ | |||
15 | #include <linux/bitops.h> | 15 | #include <linux/bitops.h> |
16 | #include <asm/system.h> | 16 | #include <asm/system.h> |
17 | #include <asm/pgalloc.h> | 17 | #include <asm/pgalloc.h> |
18 | #include <asm/uaccess.h> /* for USER_DS macros */ | ||
18 | #include <asm/cacheflush.h> | 19 | #include <asm/cacheflush.h> |
19 | 20 | ||
20 | void show_regs(struct pt_regs *regs) | 21 | void show_regs(struct pt_regs *regs) |
@@ -74,7 +75,10 @@ __setup("hlt", hlt_setup); | |||
74 | 75 | ||
75 | void default_idle(void) | 76 | void default_idle(void) |
76 | { | 77 | { |
77 | if (!hlt_counter) { | 78 | if (likely(hlt_counter)) { |
79 | while (!need_resched()) | ||
80 | cpu_relax(); | ||
81 | } else { | ||
78 | clear_thread_flag(TIF_POLLING_NRFLAG); | 82 | clear_thread_flag(TIF_POLLING_NRFLAG); |
79 | smp_mb__after_clear_bit(); | 83 | smp_mb__after_clear_bit(); |
80 | local_irq_disable(); | 84 | local_irq_disable(); |
@@ -82,9 +86,7 @@ void default_idle(void) | |||
82 | cpu_sleep(); | 86 | cpu_sleep(); |
83 | local_irq_enable(); | 87 | local_irq_enable(); |
84 | set_thread_flag(TIF_POLLING_NRFLAG); | 88 | set_thread_flag(TIF_POLLING_NRFLAG); |
85 | } else | 89 | } |
86 | while (!need_resched()) | ||
87 | cpu_relax(); | ||
88 | } | 90 | } |
89 | 91 | ||
90 | void cpu_idle(void) | 92 | void cpu_idle(void) |