From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ozlabs.org (ozlabs.org [IPv6:2401:3900:2:1::2]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 5B6371A0314 for ; Wed, 28 Oct 2015 11:51:50 +1100 (AEDT) From: Anton Blanchard To: benh@kernel.crashing.org, paulus@samba.org, mpe@ellerman.id.au, mikey@neuling.org, cyrilbur@gmail.com Cc: linuxppc-dev@lists.ozlabs.org Subject: [PATCH 19/19] powerpc: clean up asm/switch_to.h Date: Wed, 28 Oct 2015 11:51:07 +1100 Message-Id: <1445993467-667-19-git-send-email-anton@samba.org> In-Reply-To: <1445993467-667-1-git-send-email-anton@samba.org> References: <1445993467-667-1-git-send-email-anton@samba.org> List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Remove a bunch of unnecessary fallback functions and group things in a more logical way. Signed-off-by: Anton Blanchard --- arch/powerpc/include/asm/switch_to.h | 39 ++++++++++-------------------------- 1 file changed, 11 insertions(+), 28 deletions(-) diff --git a/arch/powerpc/include/asm/switch_to.h b/arch/powerpc/include/asm/switch_to.h index 08e2d65..171ce13 100644 --- a/arch/powerpc/include/asm/switch_to.h +++ b/arch/powerpc/include/asm/switch_to.h @@ -14,24 +14,18 @@ extern struct task_struct *__switch_to(struct task_struct *, struct task_struct *); #define switch_to(prev, next, last) ((last) = __switch_to((prev), (next))) -struct thread_struct; extern struct task_struct *_switch(struct thread_struct *prev, struct thread_struct *next); -extern void enable_kernel_fp(void); -extern void enable_kernel_altivec(void); -extern void enable_kernel_vsx(void); +extern void switch_booke_debug_regs(struct debug_reg *new_debug); + extern int emulate_altivec(struct pt_regs *); -extern void __giveup_vsx(struct task_struct *); -extern void giveup_vsx(struct task_struct *); -extern void enable_kernel_spe(void); -extern void giveup_spe(struct task_struct *); -extern void load_up_spe(struct task_struct *); -extern void giveup_all(struct task_struct *); + extern void flush_all_to_thread(struct task_struct *); -extern void switch_booke_debug_regs(struct debug_reg *new_debug); +extern void giveup_all(struct task_struct *); #ifdef CONFIG_PPC_FPU +extern void enable_kernel_fp(void); extern void flush_fp_to_thread(struct task_struct *); extern void giveup_fpu(struct task_struct *); extern void __giveup_fpu(struct task_struct *); @@ -39,14 +33,10 @@ static inline void disable_kernel_fp(void) { msr_check_and_clear(MSR_FP); } - -#else -static inline void flush_fp_to_thread(struct task_struct *t) { } -static inline void giveup_fpu(struct task_struct *t) { } -static inline void __giveup_fpu(struct task_struct *t) { } #endif #ifdef CONFIG_ALTIVEC +extern void enable_kernel_altivec(void); extern void flush_altivec_to_thread(struct task_struct *); extern void giveup_altivec(struct task_struct *); extern void __giveup_altivec(struct task_struct *); @@ -54,34 +44,27 @@ static inline void disable_kernel_altivec(void) { msr_check_and_clear(MSR_VEC); } -#else -static inline void flush_altivec_to_thread(struct task_struct *t) { } -static inline void giveup_altivec(struct task_struct *t) { } -static inline void __giveup_altivec(struct task_struct *t) { } #endif #ifdef CONFIG_VSX +extern void enable_kernel_vsx(void); extern void flush_vsx_to_thread(struct task_struct *); +extern void giveup_vsx(struct task_struct *); +extern void __giveup_vsx(struct task_struct *); static inline void disable_kernel_vsx(void) { msr_check_and_clear(MSR_FP|MSR_VEC|MSR_VSX); } -#else -static inline void flush_vsx_to_thread(struct task_struct *t) -{ -} #endif #ifdef CONFIG_SPE +extern void enable_kernel_spe(void); extern void flush_spe_to_thread(struct task_struct *); +extern void giveup_spe(struct task_struct *); static inline void disable_kernel_spe(void) { msr_check_and_clear(MSR_SPE); } -#else -static inline void flush_spe_to_thread(struct task_struct *t) -{ -} #endif static inline void clear_task_ebb(struct task_struct *t) -- 2.5.0