6 files changed, 2 insertions, 17 deletions

diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c
index 3bf89d1a2de6..56399c5c931a 100644
--- a/arch/powerpc/kernel/asm-offsets.c
+++ b/arch/powerpc/kernel/asm-offsets.c
@@ -131,11 +131,9 @@ int main(void)
         DEFINE(PACALOWHTLBAREAS, offsetof(struct paca_struct, context.low_htlb_areas));
         DEFINE(PACAHIGHHTLBAREAS, offsetof(struct paca_struct, context.high_htlb_areas));
 #endif /* CONFIG_HUGETLB_PAGE */
-        DEFINE(PACADEFAULTDECR, offsetof(struct paca_struct, default_decr));
         DEFINE(PACA_EXGEN, offsetof(struct paca_struct, exgen));
         DEFINE(PACA_EXMC, offsetof(struct paca_struct, exmc));
         DEFINE(PACA_EXSLB, offsetof(struct paca_struct, exslb));
-        DEFINE(PACA_EXDSI, offsetof(struct paca_struct, exdsi));
         DEFINE(PACAEMERGSP, offsetof(struct paca_struct, emergency_sp));
         DEFINE(PACALPPACA, offsetof(struct paca_struct, lppaca));
         DEFINE(PACAHWCPUID, offsetof(struct paca_struct, hw_cpu_id));
diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S
index 8a8bf79ef044..881e18e8ef59 100644
--- a/arch/powerpc/kernel/head_64.S
+++ b/arch/powerpc/kernel/head_64.S
@@ -726,7 +726,8 @@ iSeries_secondary_smp_loop:
 decrementer_iSeries_masked:
         li      r11,1
         stb     r11,PACALPPACA+LPPACADECRINT(r13)
-        lwz     r12,PACADEFAULTDECR(r13)
+        LOADBASE(r12,tb_ticks_per_jiffy)
+        lwz     r12,OFF(tb_ticks_per_jiffy)(r13)
         mtspr   SPRN_DEC,r12
         /* fall through */
 
diff --git a/arch/powerpc/kernel/paca.c b/arch/powerpc/kernel/paca.c
index 25420406c8c0..999bdd816769 100644
--- a/arch/powerpc/kernel/paca.c
+++ b/arch/powerpc/kernel/paca.c
@@ -37,7 +37,6 @@ extern unsigned long __toc_start;
 #define PACA_INIT_COMMON(number, start, asrr, asrv)                         \
         .lock_token = 0x8000,                                               \
         .paca_index = (number),         /* Paca Index */                    \
-        .default_decr = 0x00ff0000,     /* Initial Decr */                  \
         .kernel_toc = (unsigned long)(&__toc_start) + 0x8000UL,             \
         .stab_real = (asrr),            /* Real pointer to segment table */ \
         .stab_addr = (asrv),            /* Virt pointer to segment table */ \
diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index 30374d2f88e5..a90df6bf0940 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -452,10 +452,6 @@ int __devinit __cpu_up(unsigned int cpu)
         if (smp_ops->cpu_bootable && !smp_ops->cpu_bootable(cpu))
                 return -EINVAL;
 
-#ifdef CONFIG_PPC64
-        paca[cpu].default_decr = tb_ticks_per_jiffy;
-#endif
-
         /* Make sure callin-map entry is 0 (can be leftover a CPU
          * hotplug
          */
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index de8479769bb7..56f50e91bddb 100644
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -699,10 +699,6 @@ void __init time_init(void)
         div128_by_32(1024*1024, 0, tb_ticks_per_sec, &res);
         tb_to_xs = res.result_low;
 
-#ifdef CONFIG_PPC64
-        get_paca()->default_decr = tb_ticks_per_jiffy;
-#endif
-
         /*
          * Compute scale factor for sched_clock.
          * The calibrate_decr() function has set tb_ticks_per_sec,
diff --git a/include/asm-powerpc/paca.h b/include/asm-powerpc/paca.h
index 73693db546b3..59a41dbbf73c 100644
--- a/include/asm-powerpc/paca.h
+++ b/include/asm-powerpc/paca.h
@@ -60,7 +60,6 @@ struct paca_struct {
         u16 lock_token;                 /* Constant 0x8000, used in locks */
         u16 paca_index;                 /* Logical processor number */
 
-        u32 default_decr;               /* Default decrementer value */
         u64 kernel_toc;                 /* Kernel TOC address */
         u64 stab_real;                  /* Absolute address of segment table */
         u64 stab_addr;                  /* Virtual address of segment table */
@@ -91,14 +90,10 @@ struct paca_struct {
         struct task_struct *__current;  /* Pointer to current */
         u64 kstack;                     /* Saved Kernel stack addr */
         u64 stab_rr;                    /* stab/slb round-robin counter */
-        u64 next_jiffy_update_tb;       /* TB value for next jiffy update */
         u64 saved_r1;                   /* r1 save for RTAS calls */
         u64 saved_msr;                  /* MSR saved here by enter_rtas */
         u8 proc_enabled;                /* irq soft-enable flag */
 
-        /* not yet used */
-        u64 exdsi[8];           /* used for linear mapping hash table misses */
-
         /*
          * iSeries structure which the hypervisor knows about -
          * this structure should not cross a page boundary.