diff options
| -rw-r--r-- | arch/ppc64/kernel/ItLpQueue.c | 58 |
1 files changed, 29 insertions, 29 deletions
diff --git a/arch/ppc64/kernel/ItLpQueue.c b/arch/ppc64/kernel/ItLpQueue.c index 83fb36a9bc09..61a9dbdd295a 100644 --- a/arch/ppc64/kernel/ItLpQueue.c +++ b/arch/ppc64/kernel/ItLpQueue.c @@ -1,7 +1,7 @@ /* * ItLpQueue.c * 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 @@ -74,21 +74,21 @@ unsigned long ItLpQueueInProcess = 0; static struct HvLpEvent * get_next_hvlpevent(void) { - struct HvLpEvent * nextLpEvent = + struct HvLpEvent * nextLpEvent = (struct HvLpEvent *)hvlpevent_queue.xSlicCurEventPtr; - if ( nextLpEvent->xFlags.xValid ) { + if (nextLpEvent->xFlags.xValid) { /* rmb() needed only for weakly consistent machines (regatta) */ rmb(); /* Set pointer to next potential event */ hvlpevent_queue.xSlicCurEventPtr += ((nextLpEvent->xSizeMinus1 + - LpEventAlign ) / - LpEventAlign ) * + LpEventAlign) / + LpEventAlign) * LpEventAlign; /* Wrap to beginning if no room at end */ if (hvlpevent_queue.xSlicCurEventPtr > hvlpevent_queue.xSlicLastValidEventPtr) hvlpevent_queue.xSlicCurEventPtr = hvlpevent_queue.xSlicEventStackPtr; } - else + else nextLpEvent = NULL; return nextLpEvent; @@ -107,23 +107,23 @@ int hvlpevent_is_pending(void) return next_event->xFlags.xValid | hvlpevent_queue.xPlicOverflowIntPending; } -static void hvlpevent_clear_valid( struct HvLpEvent * event ) +static void hvlpevent_clear_valid(struct HvLpEvent * event) { /* Clear the valid bit of the event * Also clear bits within this event that might * look like valid bits (on 64-byte boundaries) - */ - unsigned extra = (( event->xSizeMinus1 + LpEventAlign ) / - LpEventAlign ) - 1; - switch ( extra ) { - case 3: + */ + unsigned extra = ((event->xSizeMinus1 + LpEventAlign) / + LpEventAlign) - 1; + switch (extra) { + case 3: ((struct HvLpEvent*)((char*)event+3*LpEventAlign))->xFlags.xValid=0; - case 2: + case 2: ((struct HvLpEvent*)((char*)event+2*LpEventAlign))->xFlags.xValid=0; - case 1: + case 1: ((struct HvLpEvent*)((char*)event+1*LpEventAlign))->xFlags.xValid=0; - case 0: - ; + case 0: + ; } mb(); event->xFlags.xValid = 0; @@ -136,7 +136,7 @@ void process_hvlpevents(struct pt_regs *regs) /* If we have recursed, just return */ if ( !set_inUse() ) return; - + if (ItLpQueueInProcess == 0) ItLpQueueInProcess = 1; else @@ -144,35 +144,35 @@ void process_hvlpevents(struct pt_regs *regs) for (;;) { nextLpEvent = get_next_hvlpevent(); - if ( nextLpEvent ) { - /* Call appropriate handler here, passing + if (nextLpEvent) { + /* Call appropriate handler here, passing * a pointer to the LpEvent. The handler * must make a copy of the LpEvent if it * needs it in a bottom half. (perhaps for * an ACK) - * - * Handlers are responsible for ACK processing + * + * Handlers are responsible for ACK processing * * The Hypervisor guarantees that LpEvents will * only be delivered with types that we have * registered for, so no type check is necessary * here! - */ - if ( nextLpEvent->xType < HvLpEvent_Type_NumTypes ) + */ + if (nextLpEvent->xType < HvLpEvent_Type_NumTypes) __get_cpu_var(hvlpevent_counts)[nextLpEvent->xType]++; - if ( nextLpEvent->xType < HvLpEvent_Type_NumTypes && - lpEventHandler[nextLpEvent->xType] ) + if (nextLpEvent->xType < HvLpEvent_Type_NumTypes && + lpEventHandler[nextLpEvent->xType]) lpEventHandler[nextLpEvent->xType](nextLpEvent, regs); else printk(KERN_INFO "Unexpected Lp Event type=%d\n", nextLpEvent->xType ); - - hvlpevent_clear_valid( nextLpEvent ); - } else if ( hvlpevent_queue.xPlicOverflowIntPending ) + + hvlpevent_clear_valid(nextLpEvent); + } else if (hvlpevent_queue.xPlicOverflowIntPending) /* * No more valid events. If overflow events are * pending process them */ - HvCallEvent_getOverflowLpEvents( hvlpevent_queue.xIndex); + HvCallEvent_getOverflowLpEvents(hvlpevent_queue.xIndex); else break; } |