From 40ef8cbc6d360e564573eb19582249c35d8ba330 Mon Sep 17 00:00:00 2001 From: Paul Mackerras Date: Mon, 10 Oct 2005 22:50:37 +1000 Subject: powerpc: Get 64-bit configs to compile with ARCH=powerpc This is a bunch of mostly small fixes that are needed to get ARCH=powerpc to compile for 64-bit. This adds setup_64.c from arch/ppc64/kernel/setup.c and locks.c from arch/ppc64/lib/locks.c. Signed-off-by: Paul Mackerras --- arch/powerpc/lib/locks.c | 95 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 95 insertions(+) create mode 100644 arch/powerpc/lib/locks.c (limited to 'arch/powerpc/lib/locks.c') diff --git a/arch/powerpc/lib/locks.c b/arch/powerpc/lib/locks.c new file mode 100644 index 000000000000..4b8c5ad5e7dc --- /dev/null +++ b/arch/powerpc/lib/locks.c @@ -0,0 +1,95 @@ +/* + * Spin and read/write lock operations. + * + * Copyright (C) 2001-2004 Paul Mackerras , IBM + * Copyright (C) 2001 Anton Blanchard , IBM + * Copyright (C) 2002 Dave Engebretsen , IBM + * Rework to support virtual processors + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#include +#include +#include +#include +#include + +/* waiting for a spinlock... */ +#if defined(CONFIG_PPC_SPLPAR) || defined(CONFIG_PPC_ISERIES) +#include +#include + +void __spin_yield(raw_spinlock_t *lock) +{ + unsigned int lock_value, holder_cpu, yield_count; + struct paca_struct *holder_paca; + + lock_value = lock->slock; + if (lock_value == 0) + return; + holder_cpu = lock_value & 0xffff; + BUG_ON(holder_cpu >= NR_CPUS); + holder_paca = &paca[holder_cpu]; + yield_count = holder_paca->lppaca.yield_count; + if ((yield_count & 1) == 0) + return; /* virtual cpu is currently running */ + rmb(); + if (lock->slock != lock_value) + return; /* something has changed */ +#ifdef CONFIG_PPC_ISERIES + HvCall2(HvCallBaseYieldProcessor, HvCall_YieldToProc, + ((u64)holder_cpu << 32) | yield_count); +#else + plpar_hcall_norets(H_CONFER, get_hard_smp_processor_id(holder_cpu), + yield_count); +#endif +} + +/* + * Waiting for a read lock or a write lock on a rwlock... + * This turns out to be the same for read and write locks, since + * we only know the holder if it is write-locked. + */ +void __rw_yield(raw_rwlock_t *rw) +{ + int lock_value; + unsigned int holder_cpu, yield_count; + struct paca_struct *holder_paca; + + lock_value = rw->lock; + if (lock_value >= 0) + return; /* no write lock at present */ + holder_cpu = lock_value & 0xffff; + BUG_ON(holder_cpu >= NR_CPUS); + holder_paca = &paca[holder_cpu]; + yield_count = holder_paca->lppaca.yield_count; + if ((yield_count & 1) == 0) + return; /* virtual cpu is currently running */ + rmb(); + if (rw->lock != lock_value) + return; /* something has changed */ +#ifdef CONFIG_PPC_ISERIES + HvCall2(HvCallBaseYieldProcessor, HvCall_YieldToProc, + ((u64)holder_cpu << 32) | yield_count); +#else + plpar_hcall_norets(H_CONFER, get_hard_smp_processor_id(holder_cpu), + yield_count); +#endif +} +#endif + +void __raw_spin_unlock_wait(raw_spinlock_t *lock) +{ + while (lock->slock) { + HMT_low(); + if (SHARED_PROCESSOR) + __spin_yield(lock); + } + HMT_medium(); +} + +EXPORT_SYMBOL(__raw_spin_unlock_wait); -- cgit v1.2.3 From 734d6524800b6a8362666e893a5f3f29b9ef0be9 Mon Sep 17 00:00:00 2001 From: Paul Mackerras Date: Mon, 31 Oct 2005 13:57:01 +1100 Subject: powerpc: apply recent changes to merged code Signed-off-by: Paul Mackerras --- arch/powerpc/kernel/of_device.c | 2 ++ arch/powerpc/kernel/ptrace.c | 2 +- arch/powerpc/kernel/ptrace32.c | 4 ++-- arch/powerpc/kernel/time.c | 4 ---- arch/powerpc/lib/locks.c | 1 + arch/powerpc/mm/imalloc.c | 5 ----- 6 files changed, 6 insertions(+), 12 deletions(-) (limited to 'arch/powerpc/lib/locks.c') diff --git a/arch/powerpc/kernel/of_device.c b/arch/powerpc/kernel/of_device.c index 766718814515..7065e40e2f42 100644 --- a/arch/powerpc/kernel/of_device.c +++ b/arch/powerpc/kernel/of_device.c @@ -4,6 +4,8 @@ #include #include #include +#include + #include #include diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c index 943425a93354..568ea335d616 100644 --- a/arch/powerpc/kernel/ptrace.c +++ b/arch/powerpc/kernel/ptrace.c @@ -248,7 +248,7 @@ void ptrace_disable(struct task_struct *child) clear_single_step(child); } -int sys_ptrace(long request, long pid, long addr, long data) +long sys_ptrace(long request, long pid, long addr, long data) { struct task_struct *child; int ret = -EPERM; diff --git a/arch/powerpc/kernel/ptrace32.c b/arch/powerpc/kernel/ptrace32.c index 544368277d7e..91eb952e0293 100644 --- a/arch/powerpc/kernel/ptrace32.c +++ b/arch/powerpc/kernel/ptrace32.c @@ -40,8 +40,8 @@ * in exit.c or in signal.c. */ -int compat_sys_ptrace(int request, int pid, unsigned long addr, - unsigned long data) +long compat_sys_ptrace(int request, int pid, unsigned long addr, + unsigned long data) { struct task_struct *child; int ret = -EPERM; diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c index ed5c38fb146c..23436b6c1881 100644 --- a/arch/powerpc/kernel/time.c +++ b/arch/powerpc/kernel/time.c @@ -70,10 +70,6 @@ #include #endif -u64 jiffies_64 __cacheline_aligned_in_smp = INITIAL_JIFFIES; - -EXPORT_SYMBOL(jiffies_64); - /* keep track of when we need to update the rtc */ time_t last_rtc_update; extern int piranha_simulator; diff --git a/arch/powerpc/lib/locks.c b/arch/powerpc/lib/locks.c index 4b8c5ad5e7dc..3794715b2972 100644 --- a/arch/powerpc/lib/locks.c +++ b/arch/powerpc/lib/locks.c @@ -17,6 +17,7 @@ #include #include #include +#include /* waiting for a spinlock... */ #if defined(CONFIG_PPC_SPLPAR) || defined(CONFIG_PPC_ISERIES) diff --git a/arch/powerpc/mm/imalloc.c b/arch/powerpc/mm/imalloc.c index c65b87b92756..f4ca29cf5364 100644 --- a/arch/powerpc/mm/imalloc.c +++ b/arch/powerpc/mm/imalloc.c @@ -300,12 +300,7 @@ void im_free(void * addr) for (p = &imlist ; (tmp = *p) ; p = &tmp->next) { if (tmp->addr == addr) { *p = tmp->next; - - /* XXX: do we need the lock? */ - spin_lock(&init_mm.page_table_lock); unmap_vm_area(tmp); - spin_unlock(&init_mm.page_table_lock); - kfree(tmp); up(&imlist_sem); return; -- cgit v1.2.3 From 1da44037883c0405154d53fe76da27e078456664 Mon Sep 17 00:00:00 2001 From: Kelly Daly Date: Tue, 1 Nov 2005 16:59:20 +1100 Subject: merge filename and modify references to iseries/hv_call.h Signed-off-by: Kelly Daly --- arch/powerpc/lib/locks.c | 2 +- arch/powerpc/platforms/iseries/hvlog.c | 2 +- arch/powerpc/platforms/iseries/smp.c | 2 +- drivers/char/viocons.c | 2 +- include/asm-powerpc/iseries/hv_call.h | 113 +++++++++++++++++++++++++++++++++ include/asm-powerpc/time.h | 2 +- include/asm-ppc64/iSeries/HvCall.h | 113 --------------------------------- include/asm-ppc64/spinlock.h | 2 +- 8 files changed, 119 insertions(+), 119 deletions(-) create mode 100644 include/asm-powerpc/iseries/hv_call.h delete mode 100644 include/asm-ppc64/iSeries/HvCall.h (limited to 'arch/powerpc/lib/locks.c') diff --git a/arch/powerpc/lib/locks.c b/arch/powerpc/lib/locks.c index 3794715b2972..2a912f411eb4 100644 --- a/arch/powerpc/lib/locks.c +++ b/arch/powerpc/lib/locks.c @@ -22,7 +22,7 @@ /* waiting for a spinlock... */ #if defined(CONFIG_PPC_SPLPAR) || defined(CONFIG_PPC_ISERIES) #include -#include +#include void __spin_yield(raw_spinlock_t *lock) { diff --git a/arch/powerpc/platforms/iseries/hvlog.c b/arch/powerpc/platforms/iseries/hvlog.c index f61e2e9ac9ec..5a89b481f978 100644 --- a/arch/powerpc/platforms/iseries/hvlog.c +++ b/arch/powerpc/platforms/iseries/hvlog.c @@ -9,7 +9,7 @@ #include #include -#include +#include #include #include diff --git a/arch/powerpc/platforms/iseries/smp.c b/arch/powerpc/platforms/iseries/smp.c index f720916682f6..3336bad67724 100644 --- a/arch/powerpc/platforms/iseries/smp.c +++ b/arch/powerpc/platforms/iseries/smp.c @@ -38,7 +38,7 @@ #include #include #include -#include +#include #include #include #include diff --git a/drivers/char/viocons.c b/drivers/char/viocons.c index 44f5fb4a46ef..180507ae590f 100644 --- a/drivers/char/viocons.c +++ b/drivers/char/viocons.c @@ -49,7 +49,7 @@ #include #include #include -#include +#include #ifdef CONFIG_VT #error You must turn off CONFIG_VT to use CONFIG_VIOCONS diff --git a/include/asm-powerpc/iseries/hv_call.h b/include/asm-powerpc/iseries/hv_call.h new file mode 100644 index 000000000000..c3f19475c0d9 --- /dev/null +++ b/include/asm-powerpc/iseries/hv_call.h @@ -0,0 +1,113 @@ +/* + * HvCall.h + * Copyright (C) 2001 Mike Corrigan IBM Corporation + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +/* + * This file contains the "hypervisor call" interface which is used to + * drive the hypervisor from the OS. + */ +#ifndef _HVCALL_H +#define _HVCALL_H + +#include +#include +#include + +/* Type of yield for HvCallBaseYieldProcessor */ +#define HvCall_YieldTimed 0 /* Yield until specified time (tb) */ +#define HvCall_YieldToActive 1 /* Yield until all active procs have run */ +#define HvCall_YieldToProc 2 /* Yield until the specified processor has run */ + +/* interrupt masks for setEnabledInterrupts */ +#define HvCall_MaskIPI 0x00000001 +#define HvCall_MaskLpEvent 0x00000002 +#define HvCall_MaskLpProd 0x00000004 +#define HvCall_MaskTimeout 0x00000008 + +/* Log buffer formats */ +#define HvCall_LogBuffer_ASCII 0 +#define HvCall_LogBuffer_EBCDIC 1 + +#define HvCallBaseAckDeferredInts HvCallBase + 0 +#define HvCallBaseCpmPowerOff HvCallBase + 1 +#define HvCallBaseGetHwPatch HvCallBase + 2 +#define HvCallBaseReIplSpAttn HvCallBase + 3 +#define HvCallBaseSetASR HvCallBase + 4 +#define HvCallBaseSetASRAndRfi HvCallBase + 5 +#define HvCallBaseSetIMR HvCallBase + 6 +#define HvCallBaseSendIPI HvCallBase + 7 +#define HvCallBaseTerminateMachine HvCallBase + 8 +#define HvCallBaseTerminateMachineSrc HvCallBase + 9 +#define HvCallBaseProcessPlicInterrupts HvCallBase + 10 +#define HvCallBaseIsPrimaryCpmOrMsdIpl HvCallBase + 11 +#define HvCallBaseSetVirtualSIT HvCallBase + 12 +#define HvCallBaseVaryOffThisProcessor HvCallBase + 13 +#define HvCallBaseVaryOffMemoryChunk HvCallBase + 14 +#define HvCallBaseVaryOffInteractivePercentage HvCallBase + 15 +#define HvCallBaseSendLpProd HvCallBase + 16 +#define HvCallBaseSetEnabledInterrupts HvCallBase + 17 +#define HvCallBaseYieldProcessor HvCallBase + 18 +#define HvCallBaseVaryOffSharedProcUnits HvCallBase + 19 +#define HvCallBaseSetVirtualDecr HvCallBase + 20 +#define HvCallBaseClearLogBuffer HvCallBase + 21 +#define HvCallBaseGetLogBufferCodePage HvCallBase + 22 +#define HvCallBaseGetLogBufferFormat HvCallBase + 23 +#define HvCallBaseGetLogBufferLength HvCallBase + 24 +#define HvCallBaseReadLogBuffer HvCallBase + 25 +#define HvCallBaseSetLogBufferFormatAndCodePage HvCallBase + 26 +#define HvCallBaseWriteLogBuffer HvCallBase + 27 +#define HvCallBaseRouter28 HvCallBase + 28 +#define HvCallBaseRouter29 HvCallBase + 29 +#define HvCallBaseRouter30 HvCallBase + 30 +#define HvCallBaseSetDebugBus HvCallBase + 31 + +#define HvCallCcSetDABR HvCallCc + 7 + +static inline void HvCall_setVirtualDecr(void) +{ + /* + * Ignore any error return codes - most likely means that the + * target value for the LP has been increased and this vary off + * would bring us below the new target. + */ + HvCall0(HvCallBaseSetVirtualDecr); +} + +static inline void HvCall_yieldProcessor(unsigned typeOfYield, u64 yieldParm) +{ + HvCall2(HvCallBaseYieldProcessor, typeOfYield, yieldParm); +} + +static inline void HvCall_setEnabledInterrupts(u64 enabledInterrupts) +{ + HvCall1(HvCallBaseSetEnabledInterrupts, enabledInterrupts); +} + +static inline void HvCall_setLogBufferFormatAndCodepage(int format, + u32 codePage) +{ + HvCall2(HvCallBaseSetLogBufferFormatAndCodePage, format, codePage); +} + +extern void HvCall_writeLogBuffer(const void *buffer, u64 bufLen); + +static inline void HvCall_sendIPI(struct paca_struct *targetPaca) +{ + HvCall1(HvCallBaseSendIPI, targetPaca->paca_index); +} + +#endif /* _HVCALL_H */ diff --git a/include/asm-powerpc/time.h b/include/asm-powerpc/time.h index 410e795f7d43..d9b86a17271b 100644 --- a/include/asm-powerpc/time.h +++ b/include/asm-powerpc/time.h @@ -21,7 +21,7 @@ #include #ifdef CONFIG_PPC64 #include -#include +#include #endif /* time.c */ diff --git a/include/asm-ppc64/iSeries/HvCall.h b/include/asm-ppc64/iSeries/HvCall.h deleted file mode 100644 index c3f19475c0d9..000000000000 --- a/include/asm-ppc64/iSeries/HvCall.h +++ /dev/null @@ -1,113 +0,0 @@ -/* - * HvCall.h - * Copyright (C) 2001 Mike Corrigan IBM Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -/* - * This file contains the "hypervisor call" interface which is used to - * drive the hypervisor from the OS. - */ -#ifndef _HVCALL_H -#define _HVCALL_H - -#include -#include -#include - -/* Type of yield for HvCallBaseYieldProcessor */ -#define HvCall_YieldTimed 0 /* Yield until specified time (tb) */ -#define HvCall_YieldToActive 1 /* Yield until all active procs have run */ -#define HvCall_YieldToProc 2 /* Yield until the specified processor has run */ - -/* interrupt masks for setEnabledInterrupts */ -#define HvCall_MaskIPI 0x00000001 -#define HvCall_MaskLpEvent 0x00000002 -#define HvCall_MaskLpProd 0x00000004 -#define HvCall_MaskTimeout 0x00000008 - -/* Log buffer formats */ -#define HvCall_LogBuffer_ASCII 0 -#define HvCall_LogBuffer_EBCDIC 1 - -#define HvCallBaseAckDeferredInts HvCallBase + 0 -#define HvCallBaseCpmPowerOff HvCallBase + 1 -#define HvCallBaseGetHwPatch HvCallBase + 2 -#define HvCallBaseReIplSpAttn HvCallBase + 3 -#define HvCallBaseSetASR HvCallBase + 4 -#define HvCallBaseSetASRAndRfi HvCallBase + 5 -#define HvCallBaseSetIMR HvCallBase + 6 -#define HvCallBaseSendIPI HvCallBase + 7 -#define HvCallBaseTerminateMachine HvCallBase + 8 -#define HvCallBaseTerminateMachineSrc HvCallBase + 9 -#define HvCallBaseProcessPlicInterrupts HvCallBase + 10 -#define HvCallBaseIsPrimaryCpmOrMsdIpl HvCallBase + 11 -#define HvCallBaseSetVirtualSIT HvCallBase + 12 -#define HvCallBaseVaryOffThisProcessor HvCallBase + 13 -#define HvCallBaseVaryOffMemoryChunk HvCallBase + 14 -#define HvCallBaseVaryOffInteractivePercentage HvCallBase + 15 -#define HvCallBaseSendLpProd HvCallBase + 16 -#define HvCallBaseSetEnabledInterrupts HvCallBase + 17 -#define HvCallBaseYieldProcessor HvCallBase + 18 -#define HvCallBaseVaryOffSharedProcUnits HvCallBase + 19 -#define HvCallBaseSetVirtualDecr HvCallBase + 20 -#define HvCallBaseClearLogBuffer HvCallBase + 21 -#define HvCallBaseGetLogBufferCodePage HvCallBase + 22 -#define HvCallBaseGetLogBufferFormat HvCallBase + 23 -#define HvCallBaseGetLogBufferLength HvCallBase + 24 -#define HvCallBaseReadLogBuffer HvCallBase + 25 -#define HvCallBaseSetLogBufferFormatAndCodePage HvCallBase + 26 -#define HvCallBaseWriteLogBuffer HvCallBase + 27 -#define HvCallBaseRouter28 HvCallBase + 28 -#define HvCallBaseRouter29 HvCallBase + 29 -#define HvCallBaseRouter30 HvCallBase + 30 -#define HvCallBaseSetDebugBus HvCallBase + 31 - -#define HvCallCcSetDABR HvCallCc + 7 - -static inline void HvCall_setVirtualDecr(void) -{ - /* - * Ignore any error return codes - most likely means that the - * target value for the LP has been increased and this vary off - * would bring us below the new target. - */ - HvCall0(HvCallBaseSetVirtualDecr); -} - -static inline void HvCall_yieldProcessor(unsigned typeOfYield, u64 yieldParm) -{ - HvCall2(HvCallBaseYieldProcessor, typeOfYield, yieldParm); -} - -static inline void HvCall_setEnabledInterrupts(u64 enabledInterrupts) -{ - HvCall1(HvCallBaseSetEnabledInterrupts, enabledInterrupts); -} - -static inline void HvCall_setLogBufferFormatAndCodepage(int format, - u32 codePage) -{ - HvCall2(HvCallBaseSetLogBufferFormatAndCodePage, format, codePage); -} - -extern void HvCall_writeLogBuffer(const void *buffer, u64 bufLen); - -static inline void HvCall_sendIPI(struct paca_struct *targetPaca) -{ - HvCall1(HvCallBaseSendIPI, targetPaca->paca_index); -} - -#endif /* _HVCALL_H */ diff --git a/include/asm-ppc64/spinlock.h b/include/asm-ppc64/spinlock.h index 14cb895bb607..7d84fb5e39f1 100644 --- a/include/asm-ppc64/spinlock.h +++ b/include/asm-ppc64/spinlock.h @@ -21,7 +21,7 @@ #include #include #include -#include +#include #define __raw_spin_is_locked(x) ((x)->slock != 0) -- cgit v1.2.3