[PATCH] powerpc/powernv: Cleanup unused MCE definitions/declarations.
Mahesh J Salgaonkar
mahesh at linux.vnet.ibm.com
Tue Nov 25 03:29:26 AEDT 2014
From: Mahesh Salgaonkar <mahesh at linux.vnet.ibm.com>
Cleanup OpalMCE_* definitions/declarations and other related code which
is not used anymore.
Signed-off-by: Mahesh Salgaonkar <mahesh at linux.vnet.ibm.com>
---
arch/powerpc/include/asm/opal.h | 104 ---------------------------------
arch/powerpc/include/asm/paca.h | 7 --
arch/powerpc/kernel/asm-offsets.c | 7 --
arch/powerpc/kernel/exceptions-64s.S | 17 -----
arch/powerpc/platforms/powernv/opal.c | 1
5 files changed, 136 deletions(-)
diff --git a/arch/powerpc/include/asm/opal.h b/arch/powerpc/include/asm/opal.h
index 9124b0e..1c0814f0 100644
--- a/arch/powerpc/include/asm/opal.h
+++ b/arch/powerpc/include/asm/opal.h
@@ -284,62 +284,6 @@ enum OpalMessageType {
OPAL_MSG_TYPE_MAX,
};
-/* Machine check related definitions */
-enum OpalMCE_Version {
- OpalMCE_V1 = 1,
-};
-
-enum OpalMCE_Severity {
- OpalMCE_SEV_NO_ERROR = 0,
- OpalMCE_SEV_WARNING = 1,
- OpalMCE_SEV_ERROR_SYNC = 2,
- OpalMCE_SEV_FATAL = 3,
-};
-
-enum OpalMCE_Disposition {
- OpalMCE_DISPOSITION_RECOVERED = 0,
- OpalMCE_DISPOSITION_NOT_RECOVERED = 1,
-};
-
-enum OpalMCE_Initiator {
- OpalMCE_INITIATOR_UNKNOWN = 0,
- OpalMCE_INITIATOR_CPU = 1,
-};
-
-enum OpalMCE_ErrorType {
- OpalMCE_ERROR_TYPE_UNKNOWN = 0,
- OpalMCE_ERROR_TYPE_UE = 1,
- OpalMCE_ERROR_TYPE_SLB = 2,
- OpalMCE_ERROR_TYPE_ERAT = 3,
- OpalMCE_ERROR_TYPE_TLB = 4,
-};
-
-enum OpalMCE_UeErrorType {
- OpalMCE_UE_ERROR_INDETERMINATE = 0,
- OpalMCE_UE_ERROR_IFETCH = 1,
- OpalMCE_UE_ERROR_PAGE_TABLE_WALK_IFETCH = 2,
- OpalMCE_UE_ERROR_LOAD_STORE = 3,
- OpalMCE_UE_ERROR_PAGE_TABLE_WALK_LOAD_STORE = 4,
-};
-
-enum OpalMCE_SlbErrorType {
- OpalMCE_SLB_ERROR_INDETERMINATE = 0,
- OpalMCE_SLB_ERROR_PARITY = 1,
- OpalMCE_SLB_ERROR_MULTIHIT = 2,
-};
-
-enum OpalMCE_EratErrorType {
- OpalMCE_ERAT_ERROR_INDETERMINATE = 0,
- OpalMCE_ERAT_ERROR_PARITY = 1,
- OpalMCE_ERAT_ERROR_MULTIHIT = 2,
-};
-
-enum OpalMCE_TlbErrorType {
- OpalMCE_TLB_ERROR_INDETERMINATE = 0,
- OpalMCE_TLB_ERROR_PARITY = 1,
- OpalMCE_TLB_ERROR_MULTIHIT = 2,
-};
-
enum OpalThreadStatus {
OPAL_THREAD_INACTIVE = 0x0,
OPAL_THREAD_STARTED = 0x1,
@@ -452,54 +396,6 @@ struct opal_msg {
__be64 params[8];
};
-struct opal_machine_check_event {
- enum OpalMCE_Version version:8; /* 0x00 */
- uint8_t in_use; /* 0x01 */
- enum OpalMCE_Severity severity:8; /* 0x02 */
- enum OpalMCE_Initiator initiator:8; /* 0x03 */
- enum OpalMCE_ErrorType error_type:8; /* 0x04 */
- enum OpalMCE_Disposition disposition:8; /* 0x05 */
- uint8_t reserved_1[2]; /* 0x06 */
- uint64_t gpr3; /* 0x08 */
- uint64_t srr0; /* 0x10 */
- uint64_t srr1; /* 0x18 */
- union { /* 0x20 */
- struct {
- enum OpalMCE_UeErrorType ue_error_type:8;
- uint8_t effective_address_provided;
- uint8_t physical_address_provided;
- uint8_t reserved_1[5];
- uint64_t effective_address;
- uint64_t physical_address;
- uint8_t reserved_2[8];
- } ue_error;
-
- struct {
- enum OpalMCE_SlbErrorType slb_error_type:8;
- uint8_t effective_address_provided;
- uint8_t reserved_1[6];
- uint64_t effective_address;
- uint8_t reserved_2[16];
- } slb_error;
-
- struct {
- enum OpalMCE_EratErrorType erat_error_type:8;
- uint8_t effective_address_provided;
- uint8_t reserved_1[6];
- uint64_t effective_address;
- uint8_t reserved_2[16];
- } erat_error;
-
- struct {
- enum OpalMCE_TlbErrorType tlb_error_type:8;
- uint8_t effective_address_provided;
- uint8_t reserved_1[6];
- uint64_t effective_address;
- uint8_t reserved_2[16];
- } tlb_error;
- } u;
-};
-
/* FSP memory errors handling */
enum OpalMemErr_Version {
OpalMemErr_V1 = 1,
diff --git a/arch/powerpc/include/asm/paca.h b/arch/powerpc/include/asm/paca.h
index a5139ea..24a386c 100644
--- a/arch/powerpc/include/asm/paca.h
+++ b/arch/powerpc/include/asm/paca.h
@@ -42,7 +42,6 @@ extern unsigned int debug_smp_processor_id(void); /* from linux/smp.h */
#define get_slb_shadow() (get_paca()->slb_shadow_ptr)
struct task_struct;
-struct opal_machine_check_event;
/*
* Defines the layout of the paca.
@@ -153,12 +152,6 @@ struct paca_struct {
u64 tm_scratch; /* TM scratch area for reclaim */
#endif
-#ifdef CONFIG_PPC_POWERNV
- /* Pointer to OPAL machine check event structure set by the
- * early exception handler for use by high level C handler
- */
- struct opal_machine_check_event *opal_mc_evt;
-#endif
#ifdef CONFIG_PPC_BOOK3S_64
/* Exclusive emergency stack pointer for machine check exception. */
void *mc_emergency_sp;
diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c
index 9d7dede..c161ef3 100644
--- a/arch/powerpc/kernel/asm-offsets.c
+++ b/arch/powerpc/kernel/asm-offsets.c
@@ -726,12 +726,5 @@ int main(void)
arch.timing_last_enter.tv32.tbl));
#endif
-#ifdef CONFIG_PPC_POWERNV
- DEFINE(OPAL_MC_GPR3, offsetof(struct opal_machine_check_event, gpr3));
- DEFINE(OPAL_MC_SRR0, offsetof(struct opal_machine_check_event, srr0));
- DEFINE(OPAL_MC_SRR1, offsetof(struct opal_machine_check_event, srr1));
- DEFINE(PACA_OPAL_MC_EVT, offsetof(struct paca_struct, opal_mc_evt));
-#endif
-
return 0;
}
diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
index 72e783e..b7a30bd 100644
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -1301,23 +1301,6 @@ hmi_exception_after_realmode:
EXCEPTION_PROLOG_0(PACA_EXGEN)
b hmi_exception_hv
-#ifdef CONFIG_PPC_POWERNV
-_GLOBAL(opal_mc_secondary_handler)
- HMT_MEDIUM_PPR_DISCARD
- SET_SCRATCH0(r13)
- GET_PACA(r13)
- clrldi r3,r3,2
- tovirt(r3,r3)
- std r3,PACA_OPAL_MC_EVT(r13)
- ld r13,OPAL_MC_SRR0(r3)
- mtspr SPRN_SRR0,r13
- ld r13,OPAL_MC_SRR1(r3)
- mtspr SPRN_SRR1,r13
- ld r3,OPAL_MC_GPR3(r3)
- GET_SCRATCH0(r13)
- b machine_check_pSeries
-#endif /* CONFIG_PPC_POWERNV */
-
#define MACHINE_CHECK_HANDLER_WINDUP \
/* Clear MSR_RI before setting SRR0 and SRR1. */\
diff --git a/arch/powerpc/platforms/powernv/opal.c b/arch/powerpc/platforms/powernv/opal.c
index d019b08..544b9b7 100644
--- a/arch/powerpc/platforms/powernv/opal.c
+++ b/arch/powerpc/platforms/powernv/opal.c
@@ -50,7 +50,6 @@ static int mc_recoverable_range_len;
struct device_node *opal_node;
static DEFINE_SPINLOCK(opal_write_lock);
-extern u64 opal_mc_secondary_handler[];
static unsigned int *opal_irqs;
static unsigned int opal_irq_count;
static ATOMIC_NOTIFIER_HEAD(opal_notifier_head);
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