summaryrefslogtreecommitdiff
path: root/arch/powerpc/platforms/pseries/setup.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/platforms/pseries/setup.c')
-rw-r--r--arch/powerpc/platforms/pseries/setup.c22
1 files changed, 16 insertions, 6 deletions
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index 0c8421dd01ab..64d18f4bf093 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -68,6 +68,7 @@
#include <asm/isa-bridge.h>
#include <asm/security_features.h>
#include <asm/asm-const.h>
+#include <asm/idle.h>
#include <asm/swiotlb.h>
#include <asm/svm.h>
@@ -83,6 +84,7 @@ unsigned long CMO_PageSize = (ASM_CONST(1) << IOMMU_PAGE_SHIFT_4K);
EXPORT_SYMBOL(CMO_PageSize);
int fwnmi_active; /* TRUE if an FWNMI handler is present */
+int ibm_nmi_interlock_token;
static void pSeries_show_cpuinfo(struct seq_file *m)
{
@@ -113,9 +115,14 @@ static void __init fwnmi_init(void)
struct slb_entry *slb_ptr;
size_t size;
#endif
+ int ibm_nmi_register_token;
- int ibm_nmi_register = rtas_token("ibm,nmi-register");
- if (ibm_nmi_register == RTAS_UNKNOWN_SERVICE)
+ ibm_nmi_register_token = rtas_token("ibm,nmi-register");
+ if (ibm_nmi_register_token == RTAS_UNKNOWN_SERVICE)
+ return;
+
+ ibm_nmi_interlock_token = rtas_token("ibm,nmi-interlock");
+ if (WARN_ON(ibm_nmi_interlock_token == RTAS_UNKNOWN_SERVICE))
return;
/* If the kernel's not linked at zero we point the firmware at low
@@ -123,8 +130,8 @@ static void __init fwnmi_init(void)
system_reset_addr = __pa(system_reset_fwnmi) - PHYSICAL_START;
machine_check_addr = __pa(machine_check_fwnmi) - PHYSICAL_START;
- if (0 == rtas_call(ibm_nmi_register, 2, 1, NULL, system_reset_addr,
- machine_check_addr))
+ if (0 == rtas_call(ibm_nmi_register_token, 2, 1, NULL,
+ system_reset_addr, machine_check_addr))
fwnmi_active = 1;
/*
@@ -317,6 +324,9 @@ static int alloc_dispatch_log_kmem_cache(void)
}
machine_early_initcall(pseries, alloc_dispatch_log_kmem_cache);
+DEFINE_PER_CPU(u64, idle_spurr_cycles);
+DEFINE_PER_CPU(u64, idle_entry_purr_snap);
+DEFINE_PER_CPU(u64, idle_entry_spurr_snap);
static void pseries_lpar_idle(void)
{
/*
@@ -328,7 +338,7 @@ static void pseries_lpar_idle(void)
return;
/* Indicate to hypervisor that we are idle. */
- get_lppaca()->idle = 1;
+ pseries_idle_prolog();
/*
* Yield the processor to the hypervisor. We return if
@@ -339,7 +349,7 @@ static void pseries_lpar_idle(void)
*/
cede_processor();
- get_lppaca()->idle = 0;
+ pseries_idle_epilog();
}
/*