From 40db0834337ef0cde586feeb5588e45f0349098b Mon Sep 17 00:00:00 2001 From: Michal Simek Date: Fri, 5 Mar 2010 15:34:12 +0100 Subject: microblaze: Remove segment.h I would like to use asm-generic uaccess.h where are segment macros defined. This is just first step. Signed-off-by: Michal Simek --- arch/microblaze/kernel/process.c | 1 + 1 file changed, 1 insertion(+) (limited to 'arch/microblaze/kernel/process.c') diff --git a/arch/microblaze/kernel/process.c b/arch/microblaze/kernel/process.c index 812f1bf06c9e..35efb2f42d50 100644 --- a/arch/microblaze/kernel/process.c +++ b/arch/microblaze/kernel/process.c @@ -15,6 +15,7 @@ #include #include #include +#include /* for USER_DS macros */ #include void show_regs(struct pt_regs *regs) -- cgit v1.2.3 From 78ebfa884bcef125464399f8d1cb05937bfeb6e1 Mon Sep 17 00:00:00 2001 From: Michal Simek Date: Tue, 23 Mar 2010 15:37:02 +0100 Subject: microblaze: Adding likely macros On the base on GCOV analytics is helpful to add likely/unlikely macros. Signed-off-by: Michal Simek --- arch/microblaze/kernel/process.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) (limited to 'arch/microblaze/kernel/process.c') diff --git a/arch/microblaze/kernel/process.c b/arch/microblaze/kernel/process.c index 35efb2f42d50..09bed44dfcd3 100644 --- a/arch/microblaze/kernel/process.c +++ b/arch/microblaze/kernel/process.c @@ -75,7 +75,10 @@ __setup("hlt", hlt_setup); void default_idle(void) { - if (!hlt_counter) { + if (likely(hlt_counter)) { + while (!need_resched()) + cpu_relax(); + } else { clear_thread_flag(TIF_POLLING_NRFLAG); smp_mb__after_clear_bit(); local_irq_disable(); @@ -83,9 +86,7 @@ void default_idle(void) cpu_sleep(); local_irq_enable(); set_thread_flag(TIF_POLLING_NRFLAG); - } else - while (!need_resched()) - cpu_relax(); + } } void cpu_idle(void) -- cgit v1.2.3