From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8273FC169C4 for ; Thu, 31 Jan 2019 10:09:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 42242218D3 for ; Thu, 31 Jan 2019 10:09:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=c-s.fr header.i=@c-s.fr header.b="J+Pi1VxR" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732137AbfAaKJK (ORCPT ); Thu, 31 Jan 2019 05:09:10 -0500 Received: from pegase1.c-s.fr ([93.17.236.30]:48590 "EHLO pegase1.c-s.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732111AbfAaKJI (ORCPT ); Thu, 31 Jan 2019 05:09:08 -0500 Received: from localhost (mailhub1-int [192.168.12.234]) by localhost (Postfix) with ESMTP id 43qwtm5GQwz9tyxG; Thu, 31 Jan 2019 11:09:04 +0100 (CET) Authentication-Results: localhost; dkim=pass reason="1024-bit key; insecure key" header.d=c-s.fr header.i=@c-s.fr header.b=J+Pi1VxR; dkim-adsp=pass; dkim-atps=neutral X-Virus-Scanned: Debian amavisd-new at c-s.fr Received: from pegase1.c-s.fr ([192.168.12.234]) by localhost (pegase1.c-s.fr [192.168.12.234]) (amavisd-new, port 10024) with ESMTP id SrGIw4wQYjHt; Thu, 31 Jan 2019 11:09:04 +0100 (CET) Received: from messagerie.si.c-s.fr (messagerie.si.c-s.fr [192.168.25.192]) by pegase1.c-s.fr (Postfix) with ESMTP id 43qwtm4D2tz9tyx9; Thu, 31 Jan 2019 11:09:04 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=c-s.fr; s=mail; t=1548929344; bh=gmz5QAlEOncgdeYDyRDfyPxDXqImup+GgKeyTTl5GoA=; h=In-Reply-To:References:From:Subject:To:Cc:Date:From; b=J+Pi1VxR+JDIAw2MIQ0UMQFvFxQtVOHJo9t5ZksGDRf/cMMx3slPF3EJnbAQVD9KB zJFJhHwkeNEs5QIUDVhE2YWzB8jGJmoU+LjrKEVk0lapQShOOvTae2s1vNfeeNa1e4 SbdAPuqB+pL7bfynenGTDNJnKkfOE5tNlwq51Yt4= Received: from localhost (localhost [127.0.0.1]) by messagerie.si.c-s.fr (Postfix) with ESMTP id B3CBB8B814; Thu, 31 Jan 2019 11:09:05 +0100 (CET) X-Virus-Scanned: amavisd-new at c-s.fr Received: from messagerie.si.c-s.fr ([127.0.0.1]) by localhost (messagerie.si.c-s.fr [127.0.0.1]) (amavisd-new, port 10023) with ESMTP id 5VhqOtMZ7tEQ; Thu, 31 Jan 2019 11:09:05 +0100 (CET) Received: from po16846vm.idsi0.si.c-s.fr (unknown [192.168.4.90]) by messagerie.si.c-s.fr (Postfix) with ESMTP id 5A6258B78D; Thu, 31 Jan 2019 11:09:05 +0100 (CET) Received: by po16846vm.idsi0.si.c-s.fr (Postfix, from userid 0) id D273272E14; Thu, 31 Jan 2019 10:09:04 +0000 (UTC) Message-Id: In-Reply-To: References: From: Christophe Leroy Subject: [PATCH v15 11/13] powerpc/32: Remove CURRENT_THREAD_INFO and rename TI_CPU To: Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , Nicholas Piggin Cc: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Date: Thu, 31 Jan 2019 10:09:04 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Now that thread_info is similar to task_struct, its address is in r2 so CURRENT_THREAD_INFO() macro is useless. This patch removes it. This patch also moves the 'tovirt(r2, r2)' down just before the reactivation of MMU translation, so that we keep the physical address of 'current' in r2 until then. It avoids a few calls to tophys(). At the same time, as the 'cpu' field is not anymore in thread_info, TI_CPU is renamed TASK_CPU by this patch. It also allows to get rid of a couple of '#ifdef CONFIG_VIRT_CPU_ACCOUNTING_NATIVE' as ACCOUNT_CPU_USER_ENTRY() and ACCOUNT_CPU_USER_EXIT() are empty when CONFIG_VIRT_CPU_ACCOUNTING_NATIVE is not defined. Signed-off-by: Christophe Leroy --- arch/powerpc/Makefile | 2 +- arch/powerpc/include/asm/thread_info.h | 2 -- arch/powerpc/kernel/asm-offsets.c | 2 +- arch/powerpc/kernel/entry_32.S | 55 +++++++++++----------------------- arch/powerpc/kernel/epapr_hcalls.S | 5 ++-- arch/powerpc/kernel/head_fsl_booke.S | 5 ++-- arch/powerpc/kernel/idle_6xx.S | 9 ++---- arch/powerpc/kernel/idle_e500.S | 8 ++--- arch/powerpc/kernel/misc_32.S | 3 +- arch/powerpc/mm/hash_low_32.S | 14 ++++----- arch/powerpc/sysdev/6xx-suspend.S | 5 ++-- 11 files changed, 38 insertions(+), 72 deletions(-) diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile index 53ffe935f3b0..7de49889bd5d 100644 --- a/arch/powerpc/Makefile +++ b/arch/powerpc/Makefile @@ -431,7 +431,7 @@ ifdef CONFIG_SMP prepare: task_cpu_prepare task_cpu_prepare: prepare0 - $(eval KBUILD_CFLAGS += -D_TASK_CPU=$(shell awk '{if ($$2 == "TI_CPU") print $$3;}' include/generated/asm-offsets.h)) + $(eval KBUILD_CFLAGS += -D_TASK_CPU=$(shell awk '{if ($$2 == "TASK_CPU") print $$3;}' include/generated/asm-offsets.h)) endif # Check toolchain versions: diff --git a/arch/powerpc/include/asm/thread_info.h b/arch/powerpc/include/asm/thread_info.h index d91523c2c7d8..c959b8d66cac 100644 --- a/arch/powerpc/include/asm/thread_info.h +++ b/arch/powerpc/include/asm/thread_info.h @@ -19,8 +19,6 @@ #ifdef CONFIG_PPC64 #define CURRENT_THREAD_INFO(dest, sp) stringify_in_c(ld dest, PACACURRENT(r13)) -#else -#define CURRENT_THREAD_INFO(dest, sp) stringify_in_c(mr dest, r2) #endif #ifndef __ASSEMBLY__ diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c index 94ac190a0b16..03439785c2ea 100644 --- a/arch/powerpc/kernel/asm-offsets.c +++ b/arch/powerpc/kernel/asm-offsets.c @@ -96,7 +96,7 @@ int main(void) #endif /* CONFIG_PPC64 */ OFFSET(TASK_STACK, task_struct, stack); #ifdef CONFIG_SMP - OFFSET(TI_CPU, task_struct, cpu); + OFFSET(TASK_CPU, task_struct, cpu); #endif #ifdef CONFIG_LIVEPATCH diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S index aea22c7b891f..a5e2d5585dcb 100644 --- a/arch/powerpc/kernel/entry_32.S +++ b/arch/powerpc/kernel/entry_32.S @@ -151,7 +151,6 @@ transfer_to_handler: stw r2,_XER(r11) mfspr r12,SPRN_SPRG_THREAD addi r2,r12,-THREAD - tovirt(r2,r2) /* set r2 to current */ beq 2f /* if from user, fix up THREAD.regs */ addi r11,r1,STACK_FRAME_OVERHEAD stw r11,PT_REGS(r12) @@ -161,11 +160,7 @@ transfer_to_handler: lwz r12,THREAD_DBCR0(r12) andis. r12,r12,DBCR0_IDM@h #endif -#ifdef CONFIG_VIRT_CPU_ACCOUNTING_NATIVE - CURRENT_THREAD_INFO(r9, r1) - tophys(r9, r9) - ACCOUNT_CPU_USER_ENTRY(r9, r11, r12) -#endif + ACCOUNT_CPU_USER_ENTRY(r2, r11, r12) #if defined(CONFIG_40x) || defined(CONFIG_BOOKE) beq+ 3f /* From user and task is ptraced - load up global dbcr0 */ @@ -175,8 +170,7 @@ transfer_to_handler: tophys(r11,r11) addi r11,r11,global_dbcr0@l #ifdef CONFIG_SMP - CURRENT_THREAD_INFO(r9, r1) - lwz r9,TI_CPU(r9) + lwz r9,TASK_CPU(r2) slwi r9,r9,3 add r11,r11,r9 #endif @@ -197,9 +191,7 @@ transfer_to_handler: ble- stack_ovf /* then the kernel stack overflowed */ 5: #if defined(CONFIG_PPC_BOOK3S_32) || defined(CONFIG_E500) - CURRENT_THREAD_INFO(r9, r1) - tophys(r9,r9) /* check local flags */ - lwz r12,TI_LOCAL_FLAGS(r9) + lwz r12,TI_LOCAL_FLAGS(r2) mtcrf 0x01,r12 bt- 31-TLF_NAPPING,4f bt- 31-TLF_SLEEPING,7f @@ -208,6 +200,7 @@ transfer_to_handler: transfer_to_handler_cont: 3: mflr r9 + tovirt(r2, r2) /* set r2 to current */ lwz r11,0(r9) /* virtual address of handler */ lwz r9,4(r9) /* where to go when done */ #if defined(CONFIG_PPC_8xx) && defined(CONFIG_PERF_EVENTS) @@ -271,11 +264,11 @@ reenable_mmu: /* re-enable mmu so we can */ #if defined (CONFIG_PPC_BOOK3S_32) || defined(CONFIG_E500) 4: rlwinm r12,r12,0,~_TLF_NAPPING - stw r12,TI_LOCAL_FLAGS(r9) + stw r12,TI_LOCAL_FLAGS(r2) b power_save_ppc32_restore 7: rlwinm r12,r12,0,~_TLF_SLEEPING - stw r12,TI_LOCAL_FLAGS(r9) + stw r12,TI_LOCAL_FLAGS(r2) lwz r9,_MSR(r11) /* if sleeping, clear MSR.EE */ rlwinm r9,r9,0,~MSR_EE lwz r12,_LINK(r11) /* and return to address in LR */ @@ -347,8 +340,7 @@ _GLOBAL(DoSyscall) mtmsr r11 1: #endif /* CONFIG_TRACE_IRQFLAGS */ - CURRENT_THREAD_INFO(r10, r1) - lwz r11,TI_FLAGS(r10) + lwz r11,TI_FLAGS(r2) andi. r11,r11,_TIF_SYSCALL_DOTRACE bne- syscall_dotrace syscall_dotrace_cont: @@ -381,13 +373,12 @@ ret_from_syscall: lwz r3,GPR3(r1) #endif mr r6,r3 - CURRENT_THREAD_INFO(r12, r1) /* disable interrupts so current_thread_info()->flags can't change */ LOAD_MSR_KERNEL(r10,MSR_KERNEL) /* doesn't include MSR_EE */ /* Note: We don't bother telling lockdep about it */ SYNC MTMSRD(r10) - lwz r9,TI_FLAGS(r12) + lwz r9,TI_FLAGS(r2) li r8,-MAX_ERRNO andi. r0,r9,(_TIF_SYSCALL_DOTRACE|_TIF_SINGLESTEP|_TIF_USER_WORK_MASK|_TIF_PERSYSCALL_MASK) bne- syscall_exit_work @@ -434,8 +425,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_NEED_PAIRED_STWCX) #ifdef CONFIG_VIRT_CPU_ACCOUNTING_NATIVE andi. r4,r8,MSR_PR beq 3f - CURRENT_THREAD_INFO(r4, r1) - ACCOUNT_CPU_USER_EXIT(r4, r5, r7) + ACCOUNT_CPU_USER_EXIT(r2, r5, r7) 3: #endif lwz r4,_LINK(r1) @@ -528,7 +518,7 @@ syscall_exit_work: /* Clear per-syscall TIF flags if any are set. */ li r11,_TIF_PERSYSCALL_MASK - addi r12,r12,TI_FLAGS + addi r12,r2,TI_FLAGS 3: lwarx r8,0,r12 andc r8,r8,r11 #ifdef CONFIG_IBM405_ERR77 @@ -536,7 +526,6 @@ syscall_exit_work: #endif stwcx. r8,0,r12 bne- 3b - subi r12,r12,TI_FLAGS 4: /* Anything which requires enabling interrupts? */ andi. r0,r9,(_TIF_SYSCALL_DOTRACE|_TIF_SINGLESTEP) @@ -815,8 +804,7 @@ ret_from_except: user_exc_return: /* r10 contains MSR_KERNEL here */ /* Check current_thread_info()->flags */ - CURRENT_THREAD_INFO(r9, r1) - lwz r9,TI_FLAGS(r9) + lwz r9,TI_FLAGS(r2) andi. r0,r9,_TIF_USER_WORK_MASK bne do_work @@ -828,18 +816,14 @@ restore_user: andis. r10,r0,DBCR0_IDM@h bnel- load_dbcr0 #endif -#ifdef CONFIG_VIRT_CPU_ACCOUNTING_NATIVE - CURRENT_THREAD_INFO(r9, r1) - ACCOUNT_CPU_USER_EXIT(r9, r10, r11) -#endif + ACCOUNT_CPU_USER_EXIT(r2, r10, r11) b restore /* N.B. the only way to get here is from the beq following ret_from_except. */ resume_kernel: /* check current_thread_info, _TIF_EMULATE_STACK_STORE */ - CURRENT_THREAD_INFO(r9, r1) - lwz r8,TI_FLAGS(r9) + lwz r8,TI_FLAGS(r2) andis. r0,r8,_TIF_EMULATE_STACK_STORE@h beq+ 1f @@ -865,7 +849,7 @@ resume_kernel: /* Clear _TIF_EMULATE_STACK_STORE flag */ lis r11,_TIF_EMULATE_STACK_STORE@h - addi r5,r9,TI_FLAGS + addi r5,r2,TI_FLAGS 0: lwarx r8,0,r5 andc r8,r8,r11 #ifdef CONFIG_IBM405_ERR77 @@ -877,7 +861,7 @@ resume_kernel: #ifdef CONFIG_PREEMPT /* check current_thread_info->preempt_count */ - lwz r0,TI_PREEMPT(r9) + lwz r0,TI_PREEMPT(r2) cmpwi 0,r0,0 /* if non-zero, just restore regs and return */ bne restore andi. r8,r8,_TIF_NEED_RESCHED @@ -893,8 +877,7 @@ resume_kernel: bl trace_hardirqs_off #endif 1: bl preempt_schedule_irq - CURRENT_THREAD_INFO(r9, r1) - lwz r3,TI_FLAGS(r9) + lwz r3,TI_FLAGS(r2) andi. r0,r3,_TIF_NEED_RESCHED bne- 1b #ifdef CONFIG_TRACE_IRQFLAGS @@ -1193,8 +1176,7 @@ load_dbcr0: lis r11,global_dbcr0@ha addi r11,r11,global_dbcr0@l #ifdef CONFIG_SMP - CURRENT_THREAD_INFO(r9, r1) - lwz r9,TI_CPU(r9) + lwz r9,TASK_CPU(r2) slwi r9,r9,3 add r11,r11,r9 #endif @@ -1234,8 +1216,7 @@ recheck: LOAD_MSR_KERNEL(r10,MSR_KERNEL) SYNC MTMSRD(r10) /* disable interrupts */ - CURRENT_THREAD_INFO(r9, r1) - lwz r9,TI_FLAGS(r9) + lwz r9,TI_FLAGS(r2) andi. r0,r9,_TIF_NEED_RESCHED bne- do_resched andi. r0,r9,_TIF_USER_WORK_MASK diff --git a/arch/powerpc/kernel/epapr_hcalls.S b/arch/powerpc/kernel/epapr_hcalls.S index 52ca2471ee1a..d252f4663a23 100644 --- a/arch/powerpc/kernel/epapr_hcalls.S +++ b/arch/powerpc/kernel/epapr_hcalls.S @@ -21,10 +21,9 @@ #ifndef CONFIG_PPC64 /* epapr_ev_idle() was derived from e500_idle() */ _GLOBAL(epapr_ev_idle) - CURRENT_THREAD_INFO(r3, r1) - PPC_LL r4, TI_LOCAL_FLAGS(r3) /* set napping bit */ + PPC_LL r4, TI_LOCAL_FLAGS(r2) /* set napping bit */ ori r4, r4,_TLF_NAPPING /* so when we take an exception */ - PPC_STL r4, TI_LOCAL_FLAGS(r3) /* it will return to our caller */ + PPC_STL r4, TI_LOCAL_FLAGS(r2) /* it will return to our caller */ wrteei 1 diff --git a/arch/powerpc/kernel/head_fsl_booke.S b/arch/powerpc/kernel/head_fsl_booke.S index 4ed2a7c8e89b..1881127682e9 100644 --- a/arch/powerpc/kernel/head_fsl_booke.S +++ b/arch/powerpc/kernel/head_fsl_booke.S @@ -244,8 +244,7 @@ set_ivor: stwu r0,THREAD_SIZE-STACK_FRAME_OVERHEAD(r1) #ifdef CONFIG_SMP - CURRENT_THREAD_INFO(r22, r1) - stw r24, TI_CPU(r22) + stw r24, TASK_CPU(r2) #endif bl early_init @@ -719,7 +718,7 @@ finish_tlb_load: /* Get the next_tlbcam_idx percpu var */ #ifdef CONFIG_SMP - lwz r15, TI_CPU-THREAD(r12) + lwz r15, TASK_CPU-THREAD(r12) lis r14, __per_cpu_offset@h ori r14, r14, __per_cpu_offset@l rlwinm r15, r15, 2, 0, 29 diff --git a/arch/powerpc/kernel/idle_6xx.S b/arch/powerpc/kernel/idle_6xx.S index d9b6e7e0b5e3..5e69fefcd9c4 100644 --- a/arch/powerpc/kernel/idle_6xx.S +++ b/arch/powerpc/kernel/idle_6xx.S @@ -136,10 +136,9 @@ BEGIN_FTR_SECTION DSSALL sync END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC) - CURRENT_THREAD_INFO(r9, r1) - lwz r8,TI_LOCAL_FLAGS(r9) /* set napping bit */ + lwz r8,TI_LOCAL_FLAGS(r2) /* set napping bit */ ori r8,r8,_TLF_NAPPING /* so when we take an exception */ - stw r8,TI_LOCAL_FLAGS(r9) /* it will return to our caller */ + stw r8,TI_LOCAL_FLAGS(r2) /* it will return to our caller */ mfmsr r7 ori r7,r7,MSR_EE oris r7,r7,MSR_POW@h @@ -159,9 +158,7 @@ _GLOBAL(power_save_ppc32_restore) stw r9,_NIP(r11) /* make it do a blr */ #ifdef CONFIG_SMP - CURRENT_THREAD_INFO(r12, r1) - tophys(r12, r12) - lwz r11,TI_CPU(r12) /* get cpu number * 4 */ + lwz r11,TI_CPU(r2) /* get cpu number * 4 */ slwi r11,r11,2 #else li r11,0 diff --git a/arch/powerpc/kernel/idle_e500.S b/arch/powerpc/kernel/idle_e500.S index 583e55ac7d26..69dfcd2ca011 100644 --- a/arch/powerpc/kernel/idle_e500.S +++ b/arch/powerpc/kernel/idle_e500.S @@ -22,10 +22,9 @@ .text _GLOBAL(e500_idle) - CURRENT_THREAD_INFO(r3, r1) - lwz r4,TI_LOCAL_FLAGS(r3) /* set napping bit */ + lwz r4,TI_LOCAL_FLAGS(r2) /* set napping bit */ ori r4,r4,_TLF_NAPPING /* so when we take an exception */ - stw r4,TI_LOCAL_FLAGS(r3) /* it will return to our caller */ + stw r4,TI_LOCAL_FLAGS(r2) /* it will return to our caller */ #ifdef CONFIG_PPC_E500MC wrteei 1 @@ -88,8 +87,7 @@ _GLOBAL(power_save_ppc32_restore) stw r9,_NIP(r11) /* make it do a blr */ #ifdef CONFIG_SMP - CURRENT_THREAD_INFO(r12, r1) - lwz r11,TI_CPU(r12) /* get cpu number * 4 */ + lwz r11,TASK_CPU(r2) /* get cpu number * 4 */ slwi r11,r11,2 #else li r11,0 diff --git a/arch/powerpc/kernel/misc_32.S b/arch/powerpc/kernel/misc_32.S index 6f6127c3760c..0dda4f8e3d7a 100644 --- a/arch/powerpc/kernel/misc_32.S +++ b/arch/powerpc/kernel/misc_32.S @@ -183,8 +183,7 @@ _GLOBAL(low_choose_750fx_pll) #ifdef CONFIG_SMP /* Store new HID1 image */ - CURRENT_THREAD_INFO(r6, r1) - lwz r6,TI_CPU(r6) + lwz r6,TASK_CPU(r2) slwi r6,r6,2 #else li r6, 0 diff --git a/arch/powerpc/mm/hash_low_32.S b/arch/powerpc/mm/hash_low_32.S index 1e2df3e9f9ea..5bee2d982959 100644 --- a/arch/powerpc/mm/hash_low_32.S +++ b/arch/powerpc/mm/hash_low_32.S @@ -186,8 +186,7 @@ _GLOBAL(add_hash_page) add r3,r3,r0 /* note create_hpte trims to 24 bits */ #ifdef CONFIG_SMP - CURRENT_THREAD_INFO(r8, r1) /* use cpu number to make tag */ - lwz r8,TI_CPU(r8) /* to go in mmu_hash_lock */ + lwz r8,TASK_CPU(r2) /* to go in mmu_hash_lock */ oris r8,r8,12 #endif /* CONFIG_SMP */ @@ -549,9 +548,8 @@ _GLOBAL(flush_hash_pages) #ifdef CONFIG_SMP addis r9,r7,mmu_hash_lock@ha addi r9,r9,mmu_hash_lock@l - CURRENT_THREAD_INFO(r8, r1) - add r8,r8,r7 - lwz r8,TI_CPU(r8) + add r8,r2,r7 + lwz r8,TASK_CPU(r8) oris r8,r8,9 10: lwarx r0,0,r9 cmpi 0,r0,0 @@ -646,8 +644,7 @@ EXPORT_SYMBOL(flush_hash_pages) */ _GLOBAL(_tlbie) #ifdef CONFIG_SMP - CURRENT_THREAD_INFO(r8, r1) - lwz r8,TI_CPU(r8) + lwz r8,TASK_CPU(r2) oris r8,r8,11 mfmsr r10 SYNC @@ -684,8 +681,7 @@ _GLOBAL(_tlbie) */ _GLOBAL(_tlbia) #if defined(CONFIG_SMP) - CURRENT_THREAD_INFO(r8, r1) - lwz r8,TI_CPU(r8) + lwz r8,TASK_CPU(r2) oris r8,r8,10 mfmsr r10 SYNC diff --git a/arch/powerpc/sysdev/6xx-suspend.S b/arch/powerpc/sysdev/6xx-suspend.S index cf48e9cb2575..6c4aec25c4ba 100644 --- a/arch/powerpc/sysdev/6xx-suspend.S +++ b/arch/powerpc/sysdev/6xx-suspend.S @@ -29,10 +29,9 @@ _GLOBAL(mpc6xx_enter_standby) ori r5, r5, ret_from_standby@l mtlr r5 - CURRENT_THREAD_INFO(r5, r1) - lwz r6, TI_LOCAL_FLAGS(r5) + lwz r6, TI_LOCAL_FLAGS(r2) ori r6, r6, _TLF_SLEEPING - stw r6, TI_LOCAL_FLAGS(r5) + stw r6, TI_LOCAL_FLAGS(r2) mfmsr r5 ori r5, r5, MSR_EE -- 2.13.3