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-rw-r--r--arch/powerpc/configs/prpmc2800_defconfig2
-rw-r--r--arch/powerpc/kernel/pci-common.c2
-rw-r--r--arch/powerpc/kernel/prom.c2
-rw-r--r--arch/powerpc/kernel/smp.c7
-rw-r--r--arch/powerpc/mm/fault.c8
-rw-r--r--arch/powerpc/mm/hash_utils_64.c4
-rw-r--r--arch/powerpc/platforms/Kconfig.cputype2
-rw-r--r--arch/powerpc/platforms/embedded6xx/Kconfig2
-rw-r--r--arch/powerpc/platforms/pseries/firmware.c19
-rw-r--r--arch/powerpc/platforms/pseries/pseries.h2
-rw-r--r--arch/powerpc/platforms/pseries/setup.c17
-rw-r--r--arch/powerpc/sysdev/mpic.c32
-rw-r--r--arch/powerpc/xmon/nonstdio.c5
-rw-r--r--arch/powerpc/xmon/nonstdio.h3
-rw-r--r--arch/powerpc/xmon/start.c2
-rw-r--r--arch/powerpc/xmon/xmon.c2
16 files changed, 76 insertions, 35 deletions
diff --git a/arch/powerpc/configs/prpmc2800_defconfig b/arch/powerpc/configs/prpmc2800_defconfig
index fb504a71462..858f865f2d5 100644
--- a/arch/powerpc/configs/prpmc2800_defconfig
+++ b/arch/powerpc/configs/prpmc2800_defconfig
@@ -48,7 +48,7 @@ CONFIG_PPC_STD_MMU_32=y
# CONFIG_PPC_MM_SLICES is not set
# CONFIG_SMP is not set
CONFIG_NOT_COHERENT_CACHE=y
-CONFIG_CONFIG_CHECK_CACHE_COHERENCY=y
+CONFIG_CHECK_CACHE_COHERENCY=y
CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
#
diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c
index 94b4a028232..fe7d1255e11 100644
--- a/arch/powerpc/kernel/pci-common.c
+++ b/arch/powerpc/kernel/pci-common.c
@@ -166,7 +166,7 @@ int pcibios_add_platform_entries(struct pci_dev *pdev)
}
-char __init *pcibios_setup(char *str)
+char __devinit *pcibios_setup(char *str)
{
return str;
}
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index bdcd23d8d8b..a38197b12d3 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -1218,7 +1218,7 @@ void of_attach_node(struct device_node *np)
* a reference to the node. The memory associated with the node
* is not freed until its refcount goes to zero.
*/
-void of_detach_node(const struct device_node *np)
+void of_detach_node(struct device_node *np)
{
struct device_node *parent;
diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index d577b71db37..087c92f2a3e 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -284,7 +284,7 @@ int smp_call_function_single(int cpu, void (*func) (void *info), void *info, int
int wait)
{
cpumask_t map = CPU_MASK_NONE;
- int ret = -EBUSY;
+ int ret = 0;
if (!cpu_online(cpu))
return -EINVAL;
@@ -292,6 +292,11 @@ int smp_call_function_single(int cpu, void (*func) (void *info), void *info, int
cpu_set(cpu, map);
if (cpu != get_cpu())
ret = smp_call_function_map(func,info,nonatomic,wait,map);
+ else {
+ local_irq_disable();
+ func(info);
+ local_irq_enable();
+ }
put_cpu();
return ret;
}
diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c
index 3767211b3d0..ab3546c5ac3 100644
--- a/arch/powerpc/mm/fault.c
+++ b/arch/powerpc/mm/fault.c
@@ -283,7 +283,13 @@ good_area:
/* protection fault */
if (error_code & DSISR_PROTFAULT)
goto bad_area;
- if (!(vma->vm_flags & VM_EXEC))
+ /*
+ * Allow execution from readable areas if the MMU does not
+ * provide separate controls over reading and executing.
+ */
+ if (!(vma->vm_flags & VM_EXEC) &&
+ (cpu_has_feature(CPU_FTR_NOEXECUTE) ||
+ !(vma->vm_flags & (VM_READ | VM_WRITE))))
goto bad_area;
#else
pte_t *ptep;
diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c
index 2ce9491b48d..bc7b0cedae5 100644
--- a/arch/powerpc/mm/hash_utils_64.c
+++ b/arch/powerpc/mm/hash_utils_64.c
@@ -609,7 +609,7 @@ static void demote_segment_4k(struct mm_struct *mm, unsigned long addr)
mm->context.sllp = SLB_VSID_USER | mmu_psize_defs[MMU_PAGE_4K].sllp;
#endif /* CONFIG_PPC_MM_SLICES */
-#ifdef CONFIG_SPE_BASE
+#ifdef CONFIG_SPU_BASE
spu_flush_all_slbs(mm);
#endif
}
@@ -744,7 +744,7 @@ int hash_page(unsigned long ea, unsigned long access, unsigned long trap)
"to 4kB pages because of "
"non-cacheable mapping\n");
psize = mmu_vmalloc_psize = MMU_PAGE_4K;
-#ifdef CONFIG_SPE_BASE
+#ifdef CONFIG_SPU_BASE
spu_flush_all_slbs(mm);
#endif
}
diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype
index b8b5fde9466..e4b2aee53a7 100644
--- a/arch/powerpc/platforms/Kconfig.cputype
+++ b/arch/powerpc/platforms/Kconfig.cputype
@@ -215,7 +215,7 @@ config NOT_COHERENT_CACHE
depends on 4xx || 8xx || E200
default y
-config CONFIG_CHECK_CACHE_COHERENCY
+config CHECK_CACHE_COHERENCY
bool
endmenu
diff --git a/arch/powerpc/platforms/embedded6xx/Kconfig b/arch/powerpc/platforms/embedded6xx/Kconfig
index bec772674e4..2d12f77e46b 100644
--- a/arch/powerpc/platforms/embedded6xx/Kconfig
+++ b/arch/powerpc/platforms/embedded6xx/Kconfig
@@ -59,7 +59,7 @@ config MPC10X_BRIDGE
config MV64X60
bool
select PPC_INDIRECT_PCI
- select CONFIG_CHECK_CACHE_COHERENCY
+ select CHECK_CACHE_COHERENCY
config MPC10X_OPENPIC
bool
diff --git a/arch/powerpc/platforms/pseries/firmware.c b/arch/powerpc/platforms/pseries/firmware.c
index 29bf83bfb1f..8b18a1c4009 100644
--- a/arch/powerpc/platforms/pseries/firmware.c
+++ b/arch/powerpc/platforms/pseries/firmware.c
@@ -66,24 +66,13 @@ firmware_features_table[FIRMWARE_MAX_FEATURES] = {
* device-tree/ibm,hypertas-functions. Ultimately this functionality may
* be moved into prom.c prom_init().
*/
-void __init fw_feature_init(void)
+void __init fw_feature_init(const char *hypertas, unsigned long len)
{
- struct device_node *dn;
- const char *hypertas, *s;
- int len, i;
+ const char *s;
+ int i;
DBG(" -> fw_feature_init()\n");
- dn = of_find_node_by_path("/rtas");
- if (dn == NULL) {
- printk(KERN_ERR "WARNING! Cannot find RTAS in device-tree!\n");
- goto out;
- }
-
- hypertas = of_get_property(dn, "ibm,hypertas-functions", &len);
- if (hypertas == NULL)
- goto out;
-
for (s = hypertas; s < hypertas + len; s += strlen(s) + 1) {
for (i = 0; i < FIRMWARE_MAX_FEATURES; i++) {
/* check value against table of strings */
@@ -98,7 +87,5 @@ void __init fw_feature_init(void)
}
}
-out:
- of_node_put(dn);
DBG(" <- fw_feature_init()\n");
}
diff --git a/arch/powerpc/platforms/pseries/pseries.h b/arch/powerpc/platforms/pseries/pseries.h
index 61e19f78b92..61136d01955 100644
--- a/arch/powerpc/platforms/pseries/pseries.h
+++ b/arch/powerpc/platforms/pseries/pseries.h
@@ -10,7 +10,7 @@
#ifndef _PSERIES_PSERIES_H
#define _PSERIES_PSERIES_H
-extern void __init fw_feature_init(void);
+extern void __init fw_feature_init(const char *hypertas, unsigned long len);
struct pt_regs;
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index 59e69f085cb..f0b7146a110 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -320,8 +320,6 @@ static void __init pSeries_init_early(void)
{
DBG(" -> pSeries_init_early()\n");
- fw_feature_init();
-
if (firmware_has_feature(FW_FEATURE_LPAR))
find_udbg_vterm();
@@ -343,14 +341,21 @@ static int __init pSeries_probe_hypertas(unsigned long node,
const char *uname, int depth,
void *data)
{
+ const char *hypertas;
+ unsigned long len;
+
if (depth != 1 ||
(strcmp(uname, "rtas") != 0 && strcmp(uname, "rtas@0") != 0))
- return 0;
+ return 0;
+
+ hypertas = of_get_flat_dt_prop(node, "ibm,hypertas-functions", &len);
+ if (!hypertas)
+ return 1;
- if (of_get_flat_dt_prop(node, "ibm,hypertas-functions", NULL) != NULL)
- powerpc_firmware_features |= FW_FEATURE_LPAR;
+ powerpc_firmware_features |= FW_FEATURE_LPAR;
+ fw_feature_init(hypertas, len);
- return 1;
+ return 1;
}
static int __init pSeries_probe(void)
diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index 75aad38179f..74c64c0d3b7 100644
--- a/arch/powerpc/sysdev/mpic.c
+++ b/arch/powerpc/sysdev/mpic.c
@@ -877,6 +877,8 @@ static int mpic_host_map(struct irq_host *h, unsigned int virq,
if (hw == mpic->spurious_vec)
return -EINVAL;
+ if (mpic->protected && test_bit(hw, mpic->protected))
+ return -EINVAL;
#ifdef CONFIG_SMP
else if (hw >= mpic->ipi_vecs[0]) {
@@ -1034,6 +1036,25 @@ struct mpic * __init mpic_alloc(struct device_node *node,
if (node && of_get_property(node, "big-endian", NULL) != NULL)
mpic->flags |= MPIC_BIG_ENDIAN;
+ /* Look for protected sources */
+ if (node) {
+ unsigned int psize, bits, mapsize;
+ const u32 *psrc =
+ of_get_property(node, "protected-sources", &psize);
+ if (psrc) {
+ psize /= 4;
+ bits = intvec_top + 1;
+ mapsize = BITS_TO_LONGS(bits) * sizeof(unsigned long);
+ mpic->protected = alloc_bootmem(mapsize);
+ BUG_ON(mpic->protected == NULL);
+ memset(mpic->protected, 0, mapsize);
+ for (i = 0; i < psize; i++) {
+ if (psrc[i] > intvec_top)
+ continue;
+ __set_bit(psrc[i], mpic->protected);
+ }
+ }
+ }
#ifdef CONFIG_MPIC_WEIRD
mpic->hw_set = mpic_infos[MPIC_GET_REGSET(flags)];
@@ -1213,6 +1234,9 @@ void __init mpic_init(struct mpic *mpic)
u32 vecpri = MPIC_VECPRI_MASK | i |
(8 << MPIC_VECPRI_PRIORITY_SHIFT);
+ /* check if protected */
+ if (mpic->protected && test_bit(i, mpic->protected))
+ continue;
/* init hw */
mpic_irq_write(i, MPIC_INFO(IRQ_VECTOR_PRI), vecpri);
mpic_irq_write(i, MPIC_INFO(IRQ_DESTINATION),
@@ -1407,6 +1431,14 @@ unsigned int mpic_get_one_irq(struct mpic *mpic)
mpic_eoi(mpic);
return NO_IRQ;
}
+ if (unlikely(mpic->protected && test_bit(src, mpic->protected))) {
+ if (printk_ratelimit())
+ printk(KERN_WARNING "%s: Got protected source %d !\n",
+ mpic->name, (int)src);
+ mpic_eoi(mpic);
+ return NO_IRQ;
+ }
+
return irq_linear_revmap(mpic->irqhost, src);
}
diff --git a/arch/powerpc/xmon/nonstdio.c b/arch/powerpc/xmon/nonstdio.c
index 78765833f4c..bfac84fbe78 100644
--- a/arch/powerpc/xmon/nonstdio.c
+++ b/arch/powerpc/xmon/nonstdio.c
@@ -132,3 +132,8 @@ void xmon_printf(const char *format, ...)
va_end(args);
xmon_write(xmon_outbuf, n);
}
+
+void xmon_puts(const char *str)
+{
+ xmon_write(str, strlen(str));
+}
diff --git a/arch/powerpc/xmon/nonstdio.h b/arch/powerpc/xmon/nonstdio.h
index 47cebbd2b1b..23dd95f4599 100644
--- a/arch/powerpc/xmon/nonstdio.h
+++ b/arch/powerpc/xmon/nonstdio.h
@@ -5,10 +5,11 @@
extern int xmon_putchar(int c);
extern int xmon_getchar(void);
+extern void xmon_puts(const char *);
extern char *xmon_gets(char *, int);
extern void xmon_printf(const char *, ...);
extern void xmon_map_scc(void);
extern int xmon_expect(const char *str, unsigned long timeout);
-extern int xmon_write(void *ptr, int nb);
+extern int xmon_write(const void *ptr, int nb);
extern int xmon_readchar(void);
extern int xmon_read_poll(void);
diff --git a/arch/powerpc/xmon/start.c b/arch/powerpc/xmon/start.c
index 712552c4f24..8864de2af38 100644
--- a/arch/powerpc/xmon/start.c
+++ b/arch/powerpc/xmon/start.c
@@ -14,7 +14,7 @@ void xmon_map_scc(void)
{
}
-int xmon_write(void *ptr, int nb)
+int xmon_write(const void *ptr, int nb)
{
return udbg_write(ptr, nb);
}
diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c
index 669e6566ad7..121b04d165d 100644
--- a/arch/powerpc/xmon/xmon.c
+++ b/arch/powerpc/xmon/xmon.c
@@ -833,7 +833,7 @@ cmds(struct pt_regs *excp)
mdelay(2000);
return cmd;
case '?':
- printf(help_string);
+ xmon_puts(help_string);
break;
case 'b':
bpt_cmds();
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-29 08:04:30 +0000