Merge branch 'misc-3.3' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux
* 'misc-3.3' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux:
ia64: pcibr: Use kmemdup rather than duplicating its implementation
ia64: sn: Use kmemdup rather than duplicating its implementation
ia64: tioca: Use kmemdup rather than duplicating its implementation
[IA64] Merge overlapping reserved regions at boot
diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c
index 5e2c724..cd57d73 100644
--- a/arch/ia64/kernel/setup.c
+++ b/arch/ia64/kernel/setup.c
@@ -220,6 +220,23 @@
}
}
+/* merge overlaps */
+static int __init
+merge_regions (struct rsvd_region *rsvd_region, int max)
+{
+ int i;
+ for (i = 1; i < max; ++i) {
+ if (rsvd_region[i].start >= rsvd_region[i-1].end)
+ continue;
+ if (rsvd_region[i].end > rsvd_region[i-1].end)
+ rsvd_region[i-1].end = rsvd_region[i].end;
+ --max;
+ memmove(&rsvd_region[i], &rsvd_region[i+1],
+ (max - i) * sizeof(struct rsvd_region));
+ }
+ return max;
+}
+
/*
* Request address space for all standard resources
*/
@@ -270,6 +287,7 @@
if (ret == 0 && size > 0) {
if (!base) {
sort_regions(rsvd_region, *n);
+ *n = merge_regions(rsvd_region, *n);
base = kdump_find_rsvd_region(size,
rsvd_region, *n);
}
@@ -373,6 +391,7 @@
BUG_ON(IA64_MAX_RSVD_REGIONS + 1 < n);
sort_regions(rsvd_region, num_rsvd_regions);
+ num_rsvd_regions = merge_regions(rsvd_region, num_rsvd_regions);
}
diff --git a/arch/ia64/sn/kernel/irq.c b/arch/ia64/sn/kernel/irq.c
index 485c42d..dfac09a 100644
--- a/arch/ia64/sn/kernel/irq.c
+++ b/arch/ia64/sn/kernel/irq.c
@@ -150,12 +150,11 @@
* PROM does not support SAL_INTR_REDIRECT, or it failed.
* Revert to old method.
*/
- new_irq_info = kmalloc(sizeof(struct sn_irq_info), GFP_ATOMIC);
+ new_irq_info = kmemdup(sn_irq_info, sizeof(struct sn_irq_info),
+ GFP_ATOMIC);
if (new_irq_info == NULL)
return NULL;
- memcpy(new_irq_info, sn_irq_info, sizeof(struct sn_irq_info));
-
/* Free the old PROM new_irq_info structure */
sn_intr_free(local_nasid, local_widget, new_irq_info);
unregister_intr_pda(new_irq_info);
diff --git a/arch/ia64/sn/pci/pcibr/pcibr_provider.c b/arch/ia64/sn/pci/pcibr/pcibr_provider.c
index 5698f29..8886a0b 100644
--- a/arch/ia64/sn/pci/pcibr/pcibr_provider.c
+++ b/arch/ia64/sn/pci/pcibr/pcibr_provider.c
@@ -127,12 +127,11 @@
* Allocate kernel bus soft and copy from prom.
*/
- soft = kmalloc(sizeof(struct pcibus_info), GFP_KERNEL);
+ soft = kmemdup(prom_bussoft, sizeof(struct pcibus_info), GFP_KERNEL);
if (!soft) {
return NULL;
}
- memcpy(soft, prom_bussoft, sizeof(struct pcibus_info));
soft->pbi_buscommon.bs_base = (unsigned long)
ioremap(REGION_OFFSET(soft->pbi_buscommon.bs_base),
sizeof(struct pic));
diff --git a/arch/ia64/sn/pci/tioca_provider.c b/arch/ia64/sn/pci/tioca_provider.c
index 642451e..e77c477 100644
--- a/arch/ia64/sn/pci/tioca_provider.c
+++ b/arch/ia64/sn/pci/tioca_provider.c
@@ -600,11 +600,11 @@
* Allocate kernel bus soft and copy from prom.
*/
- tioca_common = kzalloc(sizeof(struct tioca_common), GFP_KERNEL);
+ tioca_common = kmemdup(prom_bussoft, sizeof(struct tioca_common),
+ GFP_KERNEL);
if (!tioca_common)
return NULL;
- memcpy(tioca_common, prom_bussoft, sizeof(struct tioca_common));
tioca_common->ca_common.bs_base = (unsigned long)
ioremap(REGION_OFFSET(tioca_common->ca_common.bs_base),
sizeof(struct tioca_common));