X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-powerpc%2Fsystem.h;h=f7b1227d64548ab68f557f78a1ba1fa5afe89bf1;hb=refs%2Fheads%2Fvserver;hp=4c9f5229e83355a6af341841e6230277422bd39b;hpb=16c70f8c1b54b61c3b951b6fb220df250fe09b32;p=linux-2.6.git diff --git a/include/asm-powerpc/system.h b/include/asm-powerpc/system.h index 4c9f5229e..f7b1227d6 100644 --- a/include/asm-powerpc/system.h +++ b/include/asm-powerpc/system.h @@ -25,8 +25,8 @@ * * We have to use the sync instructions for mb(), since lwsync doesn't * order loads with respect to previous stores. Lwsync is fine for - * rmb(), though. Note that lwsync is interpreted as sync by - * 32-bit and older 64-bit CPUs. + * rmb(), though. Note that rmb() actually uses a sync on 32-bit + * architectures. * * For wmb(), we use sync since wmb is used in drivers to order * stores to system memory with respect to writes to the device. @@ -34,7 +34,7 @@ * SMP since it is only used to order updates to system memory. */ #define mb() __asm__ __volatile__ ("sync" : : : "memory") -#define rmb() __asm__ __volatile__ ("lwsync" : : : "memory") +#define rmb() __asm__ __volatile__ (__stringify(LWSYNC) : : : "memory") #define wmb() __asm__ __volatile__ ("sync" : : : "memory") #define read_barrier_depends() do { } while(0) @@ -91,10 +91,6 @@ DEBUGGER_BOILERPLATE(debugger_iabr_match) DEBUGGER_BOILERPLATE(debugger_dabr_match) DEBUGGER_BOILERPLATE(debugger_fault_handler) -#ifdef CONFIG_XMON -extern void xmon_init(int enable); -#endif - #else static inline int debugger(struct pt_regs *regs) { return 0; } static inline int debugger_ipi(struct pt_regs *regs) { return 0; } @@ -177,11 +173,6 @@ extern u32 booke_wdt_enabled; extern u32 booke_wdt_period; #endif /* CONFIG_BOOKE_WDT */ -/* EBCDIC -> ASCII conversion for [0-9A-Z] on iSeries */ -extern unsigned char e2a(unsigned char); -extern unsigned char* strne2a(unsigned char *dest, - const unsigned char *src, size_t n); - struct device_node; extern void note_scsi_host(struct device_node *, void *);