tree b65f37ce8cb9c701cd57a1d2ebe9385b125af8c2
parent 2413d2c12cf0dc5980d7b082d838d5468d83a8b9
author Len Brown <[EMAIL PROTECTED]> Sat, 03 Sep 2005 20:40:06 -0400
committer Len Brown <[EMAIL PROTECTED]> Sat, 03 Sep 2005 20:41:12 -0400
[ACPI] revert bad processor_core.c patch for bug 5128
Signed-off-by: Len Brown <[EMAIL PROTECTED]>
drivers/acpi/processor_core.c | 23 ++++++++++-------------
1 files changed, 10 insertions(+), 13 deletions(-)
diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c
--- a/drivers/acpi/processor_core.c
+++ b/drivers/acpi/processor_core.c
@@ -400,7 +400,7 @@ static int acpi_processor_remove_fs(stru
/* Use the acpiid in MADT to map cpus in case of SMP */
#ifndef CONFIG_SMP
-#define convert_acpiid_to_cpu(acpi_id, cpu_indexp) (0xff)
+#define convert_acpiid_to_cpu(acpi_id) (0xff)
#else
#ifdef CONFIG_IA64
@@ -413,20 +413,18 @@ static int acpi_processor_remove_fs(stru
#define ARCH_BAD_APICID (0xff)
#endif
-static int convert_acpiid_to_cpu(u8 acpi_id, unsigned int *cpu_index)
+static u8 convert_acpiid_to_cpu(u8 acpi_id)
{
u16 apic_id;
- unsigned int i;
+ int i;
apic_id = arch_acpiid_to_apicid[acpi_id];
if (apic_id == ARCH_BAD_APICID)
return -1;
for (i = 0; i < NR_CPUS; i++) {
- if (arch_cpu_to_apicid[i] == apic_id) {
- *cpu_index = i;
- return 0;
- }
+ if (arch_cpu_to_apicid[i] == apic_id)
+ return i;
}
return -1;
}
@@ -441,8 +439,7 @@ static int acpi_processor_get_info(struc
acpi_status status = 0;
union acpi_object object = { 0 };
struct acpi_buffer buffer = { sizeof(union acpi_object), &object };
- unsigned int cpu_index;
- int retval;
+ u8 cpu_index;
static int cpu0_initialized;
ACPI_FUNCTION_TRACE("acpi_processor_get_info");
@@ -485,10 +482,10 @@ static int acpi_processor_get_info(struc
*/
pr->acpi_id = object.processor.proc_id;
- retval = convert_acpiid_to_cpu(pr->acpi_id, &cpu_index);
+ cpu_index = convert_acpiid_to_cpu(pr->acpi_id);
/* Handle UP system running SMP kernel, with no LAPIC in MADT */
- if (!cpu0_initialized && retval &&
+ if (!cpu0_initialized && (cpu_index == 0xff) &&
(num_online_cpus() == 1)) {
cpu_index = 0;
}
@@ -502,10 +499,10 @@ static int acpi_processor_get_info(struc
* less than the max # of CPUs. They should be ignored _iff
* they are physically not present.
*/
- if (retval) {
+ if (cpu_index >= NR_CPUS) {
if (ACPI_FAILURE
(acpi_processor_hotadd_init(pr->handle, &pr->id))) {
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Error getting cpuindex for acpiid
0x%x\n",
pr->acpi_id));
return_VALUE(-ENODEV);
-
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