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Commit f900e582 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge master.kernel.org:/pub/scm/linux/kernel/git/paulus/powerpc 

* master.kernel.org:/pub/scm/linux/kernel/git/paulus/powerpc:
  [PATCH] powerpc: iSeries needs slb_initialize to be called
  powerpc: hook up the splice syscall
  [PATCH] powerpc/cell: compile fixes
  [PATCH] powerpc: trivial spelling fixes in fault.c
  [PATCH] powerpc/pseries: EEH Cleanup
  [PATCH] powerpc/pseries: misc lparcfg fixes
  [PATCH] powerpc/pseries: fix device name printing, again.
  [PATCH] powerpc: Extends HCALL interface for InfiniBand usage
  [PATCH] powerpc/pseries: Change H_StudlyCaps to H_SHOUTING_CAPS
  [PATCH] powerpc/pseries: print message if EEH recovery fails
  [PATCH] powerpc/pseries: mutex lock to serialize EEH event processing
  powerpc: converted embedded platforms to use new define_machine support
  powerpc: merge machine_check_exception between ppc32 & ppc64
parents 23344cb3 856d08ec

arch/powerpc/kernel/lparcfg.c

+16 −15
Original line number Diff line number Diff line
@@ -37,7 +37,7 @@ 
#include <asm/prom.h>

#include <asm/vdso_datapage.h>



#define MODULE_VERS "1.6"

#define MODULE_VERS "1.7"

#define MODULE_NAME "lparcfg"



/* #define LPARCFG_DEBUG */
@@ -149,17 +149,17 @@ static void log_plpar_hcall_return(unsigned long rc, char *tag) 
	if (rc == 0)		/* success, return */

		return;

/* check for null tag ? */

	if (rc == H_Hardware)

	if (rc == H_HARDWARE)

		printk(KERN_INFO

		       "plpar-hcall (%s) failed with hardware fault\n", tag);

	else if (rc == H_Function)

	else if (rc == H_FUNCTION)

		printk(KERN_INFO

		       "plpar-hcall (%s) failed; function not allowed\n", tag);

	else if (rc == H_Authority)

	else if (rc == H_AUTHORITY)

		printk(KERN_INFO

		       "plpar-hcall (%s) failed; not authorized to this function\n",

		       tag);

	else if (rc == H_Parameter)

		       "plpar-hcall (%s) failed; not authorized to this"

		       " function\n", tag);

	else if (rc == H_PARAMETER)

		printk(KERN_INFO "plpar-hcall (%s) failed; Bad parameter(s)\n",

		       tag);

	else
@@ -209,7 +209,7 @@ static void h_pic(unsigned long *pool_idle_time, unsigned long *num_procs) 
	unsigned long dummy;

	rc = plpar_hcall(H_PIC, 0, 0, 0, 0, pool_idle_time, num_procs, &dummy);



	if (rc != H_Authority)

	if (rc != H_AUTHORITY)

		log_plpar_hcall_return(rc, "H_PIC");

}
@@ -242,7 +242,7 @@ static void parse_system_parameter_string(struct seq_file *m) 
{

	int call_status;



	char *local_buffer = kmalloc(SPLPAR_MAXLENGTH, GFP_KERNEL);

	unsigned char *local_buffer = kmalloc(SPLPAR_MAXLENGTH, GFP_KERNEL);

	if (!local_buffer) {

		printk(KERN_ERR "%s %s kmalloc failure at line %d \n",

		       __FILE__, __FUNCTION__, __LINE__);
@@ -254,7 +254,8 @@ static void parse_system_parameter_string(struct seq_file *m) 
	call_status = rtas_call(rtas_token("ibm,get-system-parameter"), 3, 1,

				NULL,

				SPLPAR_CHARACTERISTICS_TOKEN,

				__pa(rtas_data_buf));

				__pa(rtas_data_buf),

				RTAS_DATA_BUF_SIZE);

	memcpy(local_buffer, rtas_data_buf, SPLPAR_MAXLENGTH);

	spin_unlock(&rtas_data_buf_lock);
@@ -275,7 +276,7 @@ static void parse_system_parameter_string(struct seq_file *m) 
#ifdef LPARCFG_DEBUG

		printk(KERN_INFO "success calling get-system-parameter \n");

#endif

		splpar_strlen = local_buffer[0] * 16 + local_buffer[1];

		splpar_strlen = local_buffer[0] * 256 + local_buffer[1];

		local_buffer += 2;	/* step over strlen value */



		memset(workbuffer, 0, SPLPAR_MAXLENGTH);
@@ -529,13 +530,13 @@ static ssize_t lparcfg_write(struct file *file, const char __user * buf, 
	retval = plpar_hcall_norets(H_SET_PPP, *new_entitled_ptr,

				    *new_weight_ptr);



	if (retval == H_Success || retval == H_Constrained) {

	if (retval == H_SUCCESS || retval == H_CONSTRAINED) {

		retval = count;

	} else if (retval == H_Busy) {

	} else if (retval == H_BUSY) {

		retval = -EBUSY;

	} else if (retval == H_Hardware) {

	} else if (retval == H_HARDWARE) {

		retval = -EIO;

	} else if (retval == H_Parameter) {

	} else if (retval == H_PARAMETER) {

		retval = -EINVAL;

	} else {

		printk(KERN_WARNING "%s: received unknown hv return code %ld",

arch/powerpc/kernel/rtas.c

+6 −6
Original line number Diff line number Diff line
@@ -578,18 +578,18 @@ static void rtas_percpu_suspend_me(void *info) 
	 * We use "waiting" to indicate our state.  As long

	 * as it is >0, we are still trying to all join up.

	 * If it goes to 0, we have successfully joined up and

	 * one thread got H_Continue.  If any error happens,

	 * one thread got H_CONTINUE.  If any error happens,

	 * we set it to <0.

	 */

	local_irq_save(flags);

	do {

		rc = plpar_hcall_norets(H_JOIN);

		smp_rmb();

	} while (rc == H_Success && data->waiting > 0);

	if (rc == H_Success)

	} while (rc == H_SUCCESS && data->waiting > 0);

	if (rc == H_SUCCESS)

		goto out;



	if (rc == H_Continue) {

	if (rc == H_CONTINUE) {

		data->waiting = 0;

		data->args->args[data->args->nargs] =

			rtas_call(ibm_suspend_me_token, 0, 1, NULL);
@@ -597,7 +597,7 @@ static void rtas_percpu_suspend_me(void *info) 
			plpar_hcall_norets(H_PROD,i);

	} else {

		data->waiting = -EBUSY;

		printk(KERN_ERR "Error on H_Join hypervisor call\n");

		printk(KERN_ERR "Error on H_JOIN hypervisor call\n");

	}



out:
@@ -624,7 +624,7 @@ static int rtas_ibm_suspend_me(struct rtas_args *args) 
		printk(KERN_ERR "Error doing global join\n");



	/* Prod each CPU.  This won't hurt, and will wake

	 * anyone we successfully put to sleep with H_Join

	 * anyone we successfully put to sleep with H_JOIN.

	 */

	for_each_possible_cpu(i)

		plpar_hcall_norets(H_PROD, i);

arch/powerpc/kernel/setup_32.c

+0 −6
Original line number Diff line number Diff line
@@ -50,7 +50,6 @@ 
#include <asm/kgdb.h>

#endif



extern void platform_init(void);

extern void bootx_init(unsigned long r4, unsigned long phys);



boot_infos_t *boot_infos;
@@ -138,12 +137,7 @@ void __init machine_init(unsigned long dt_ptr, unsigned long phys) 
		strlcpy(cmd_line, CONFIG_CMDLINE, sizeof(cmd_line));

#endif /* CONFIG_CMDLINE */



#ifdef CONFIG_PPC_MULTIPLATFORM

	probe_machine();

#else

	/* Base init based on machine type. Obsoloete, please kill ! */

	platform_init();

#endif



#ifdef CONFIG_6xx

	if (cpu_has_feature(CPU_FTR_CAN_DOZE) ||

arch/powerpc/kernel/setup_64.c

+4 −6
Original line number Diff line number Diff line
@@ -215,12 +215,10 @@ void __init early_setup(unsigned long dt_ptr) 
	/*

	 * Initialize stab / SLB management except on iSeries

	 */

	if (!firmware_has_feature(FW_FEATURE_ISERIES)) {

	if (cpu_has_feature(CPU_FTR_SLB))

		slb_initialize();

		else

	else if (!firmware_has_feature(FW_FEATURE_ISERIES))

		stab_initialize(get_paca()->stab_real);

	}



	DBG(" <- early_setup()\n");

}

arch/powerpc/kernel/traps.c

+3 −6
Original line number Diff line number Diff line
@@ -228,7 +228,7 @@ void system_reset_exception(struct pt_regs *regs) 
 */

static inline int check_io_access(struct pt_regs *regs)

{

#ifdef CONFIG_PPC_PMAC

#if defined(CONFIG_PPC_PMAC) && defined(CONFIG_PPC32)

	unsigned long msr = regs->msr;

	const struct exception_table_entry *entry;

	unsigned int *nip = (unsigned int *)regs->nip;
@@ -261,7 +261,7 @@ static inline int check_io_access(struct pt_regs *regs) 
			return 1;

		}

	}

#endif /* CONFIG_PPC_PMAC */

#endif /* CONFIG_PPC_PMAC && CONFIG_PPC32 */

	return 0;

}
@@ -308,8 +308,8 @@ platform_machine_check(struct pt_regs *regs) 


void machine_check_exception(struct pt_regs *regs)

{

#ifdef CONFIG_PPC64

	int recover = 0;

	unsigned long reason = get_mc_reason(regs);



	/* See if any machine dependent calls */

	if (ppc_md.machine_check_exception)
@@ -317,8 +317,6 @@ void machine_check_exception(struct pt_regs *regs) 


	if (recover)

		return;

#else

	unsigned long reason = get_mc_reason(regs);



	if (user_mode(regs)) {

		regs->msr |= MSR_RI;
@@ -462,7 +460,6 @@ void machine_check_exception(struct pt_regs *regs) 
	 * additional info, e.g. bus error registers.

	 */

	platform_machine_check(regs);

#endif /* CONFIG_PPC64 */



	if (debugger_fault_handler(regs))

		return;