diff options
Diffstat (limited to 'arch/sh/include')
| -rw-r--r-- | arch/sh/include/asm/Kbuild | 1 | ||||
| -rw-r--r-- | arch/sh/include/asm/fpu.h | 2 | ||||
| -rw-r--r-- | arch/sh/include/asm/pgalloc.h | 5 | ||||
| -rw-r--r-- | arch/sh/include/asm/processor_32.h | 10 | ||||
| -rw-r--r-- | arch/sh/include/asm/processor_64.h | 10 | ||||
| -rw-r--r-- | arch/sh/include/mach-kfr2r09/mach/kfr2r09.h | 2 |
6 files changed, 26 insertions, 4 deletions
diff --git a/arch/sh/include/asm/Kbuild b/arch/sh/include/asm/Kbuild index 280bea9e5e2b..231efbb68108 100644 --- a/arch/sh/include/asm/Kbuild +++ b/arch/sh/include/asm/Kbuild @@ -34,3 +34,4 @@ generic-y += termios.h generic-y += trace_clock.h generic-y += ucontext.h generic-y += xor.h +generic-y += preempt.h diff --git a/arch/sh/include/asm/fpu.h b/arch/sh/include/asm/fpu.h index 06c4281aab65..09fc2bc8a790 100644 --- a/arch/sh/include/asm/fpu.h +++ b/arch/sh/include/asm/fpu.h @@ -46,7 +46,7 @@ static inline void __unlazy_fpu(struct task_struct *tsk, struct pt_regs *regs) save_fpu(tsk); release_fpu(regs); } else - tsk->fpu_counter = 0; + tsk->thread.fpu_counter = 0; } static inline void unlazy_fpu(struct task_struct *tsk, struct pt_regs *regs) diff --git a/arch/sh/include/asm/pgalloc.h b/arch/sh/include/asm/pgalloc.h index 8c00785c60d5..a33673b3687d 100644 --- a/arch/sh/include/asm/pgalloc.h +++ b/arch/sh/include/asm/pgalloc.h @@ -47,7 +47,10 @@ static inline pgtable_t pte_alloc_one(struct mm_struct *mm, if (!pg) return NULL; page = virt_to_page(pg); - pgtable_page_ctor(page); + if (!pgtable_page_ctor(page)) { + quicklist_free(QUICK_PT, NULL, pg); + return NULL; + } return page; } diff --git a/arch/sh/include/asm/processor_32.h b/arch/sh/include/asm/processor_32.h index e699a12cdcca..18e0377f72bb 100644 --- a/arch/sh/include/asm/processor_32.h +++ b/arch/sh/include/asm/processor_32.h @@ -111,6 +111,16 @@ struct thread_struct { /* Extended processor state */ union thread_xstate *xstate; + + /* + * fpu_counter contains the number of consecutive context switches + * that the FPU is used. If this is over a threshold, the lazy fpu + * saving becomes unlazy to save the trap. This is an unsigned char + * so that after 256 times the counter wraps and the behavior turns + * lazy again; this to deal with bursty apps that only use FPU for + * a short time + */ + unsigned char fpu_counter; }; #define INIT_THREAD { \ diff --git a/arch/sh/include/asm/processor_64.h b/arch/sh/include/asm/processor_64.h index 1cc7d3197143..eedd4f625d07 100644 --- a/arch/sh/include/asm/processor_64.h +++ b/arch/sh/include/asm/processor_64.h @@ -126,6 +126,16 @@ struct thread_struct { /* floating point info */ union thread_xstate *xstate; + + /* + * fpu_counter contains the number of consecutive context switches + * that the FPU is used. If this is over a threshold, the lazy fpu + * saving becomes unlazy to save the trap. This is an unsigned char + * so that after 256 times the counter wraps and the behavior turns + * lazy again; this to deal with bursty apps that only use FPU for + * a short time + */ + unsigned char fpu_counter; }; #define INIT_MMAP \ diff --git a/arch/sh/include/mach-kfr2r09/mach/kfr2r09.h b/arch/sh/include/mach-kfr2r09/mach/kfr2r09.h index c20c9e5f5eab..79f154e5cb9c 100644 --- a/arch/sh/include/mach-kfr2r09/mach/kfr2r09.h +++ b/arch/sh/include/mach-kfr2r09/mach/kfr2r09.h @@ -4,13 +4,11 @@ #include <video/sh_mobile_lcdc.h> #if defined(CONFIG_FB_SH_MOBILE_LCDC) || defined(CONFIG_FB_SH_MOBILE_LCDC_MODULE) -int kfr2r09_lcd_set_brightness(int brightness); int kfr2r09_lcd_setup(void *sys_ops_handle, struct sh_mobile_lcdc_sys_bus_ops *sys_ops); void kfr2r09_lcd_start(void *sys_ops_handle, struct sh_mobile_lcdc_sys_bus_ops *sys_ops); #else -static int kfr2r09_lcd_set_brightness(int brightness) {} static int kfr2r09_lcd_setup(void *sys_ops_handle, struct sh_mobile_lcdc_sys_bus_ops *sys_ops) { |
