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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-03-29 20:25:03 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-03-29 20:25:03 -0700
commit9754c5f6cbbd8893a29f139204e87a59eb342ca9 (patch)
tree43601ee92855a8b7272c30073f6037b94523ad06 /arch
parentefab03d998da03f67836ffc664b04e0400f85448 (diff)
parentdbfc2f6f95c7e62b9a379d9a34f8427f1d844ee1 (diff)
Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6: [IA64] Fix arch/ia64/pci/pci.c:571: warning: `return' with a value [IA64] Speed up boot - skip unnecessary clock calibration [IA64] bugfix stack layout upside-down [IA64] Fix possible invalid memory access in ia64_setup_msi_irq()
Diffstat (limited to 'arch')
-rw-r--r--arch/ia64/kernel/msi_ia64.c2
-rw-r--r--arch/ia64/kernel/smpboot.c17
-rw-r--r--arch/ia64/mm/init.c2
-rw-r--r--arch/ia64/pci/pci.c1
4 files changed, 18 insertions, 4 deletions
diff --git a/arch/ia64/kernel/msi_ia64.c b/arch/ia64/kernel/msi_ia64.c
index e7220900ea1..ebbeadfee42 100644
--- a/arch/ia64/kernel/msi_ia64.c
+++ b/arch/ia64/kernel/msi_ia64.c
@@ -68,7 +68,7 @@ int ia64_setup_msi_irq(struct pci_dev *pdev, struct msi_desc *desc)
{
struct msi_msg msg;
unsigned long dest_phys_id;
- unsigned int irq, vector;
+ int irq, vector;
irq = create_irq();
if (irq < 0)
diff --git a/arch/ia64/kernel/smpboot.c b/arch/ia64/kernel/smpboot.c
index b21ddecea94..ff7df439da6 100644
--- a/arch/ia64/kernel/smpboot.c
+++ b/arch/ia64/kernel/smpboot.c
@@ -375,6 +375,7 @@ static void __devinit
smp_callin (void)
{
int cpuid, phys_id, itc_master;
+ struct cpuinfo_ia64 *last_cpuinfo, *this_cpuinfo;
extern void ia64_init_itm(void);
extern volatile int time_keeper_id;
@@ -424,7 +425,21 @@ smp_callin (void)
* Get our bogomips.
*/
ia64_init_itm();
- calibrate_delay();
+
+ /*
+ * Delay calibration can be skipped if new processor is identical to the
+ * previous processor.
+ */
+ last_cpuinfo = cpu_data(cpuid - 1);
+ this_cpuinfo = local_cpu_data;
+ if (last_cpuinfo->itc_freq != this_cpuinfo->itc_freq ||
+ last_cpuinfo->proc_freq != this_cpuinfo->proc_freq ||
+ last_cpuinfo->features != this_cpuinfo->features ||
+ last_cpuinfo->revision != this_cpuinfo->revision ||
+ last_cpuinfo->family != this_cpuinfo->family ||
+ last_cpuinfo->archrev != this_cpuinfo->archrev ||
+ last_cpuinfo->model != this_cpuinfo->model)
+ calibrate_delay();
local_cpu_data->loops_per_jiffy = loops_per_jiffy;
#ifdef CONFIG_IA32_SUPPORT
diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
index c8da621aab1..4f36987eea7 100644
--- a/arch/ia64/mm/init.c
+++ b/arch/ia64/mm/init.c
@@ -155,7 +155,7 @@ ia64_set_rbs_bot (void)
if (stack_size > MAX_USER_STACK_SIZE)
stack_size = MAX_USER_STACK_SIZE;
- current->thread.rbs_bot = STACK_TOP - stack_size;
+ current->thread.rbs_bot = PAGE_ALIGN(current->mm->start_stack - stack_size);
}
/*
diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c
index f8bcccd6d41..0e83f3b419b 100644
--- a/arch/ia64/pci/pci.c
+++ b/arch/ia64/pci/pci.c
@@ -568,7 +568,6 @@ pcibios_disable_device (struct pci_dev *dev)
BUG_ON(atomic_read(&dev->enable_cnt));
if (!dev->msi_enabled)
acpi_pci_irq_disable(dev);
- return 0;
}
void