Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next

Pull sparc updates from David Miller:

1) Kill off support for sun4c and Cypress sun4m chips.

   And as a result we were able to also kill off that ugly btfixup thing
   that required multi-stage links of the final vmlinux image in the
   Kbuild system.  This should make the kbuild maintainers really happy.

   Thanks a lot to Sam Ravnborg for his tireless efforts to get this
   going.

2) Convert sparc64 to nobootmem.  I suspect now with sparc32 being a lot
   cleaner, it should be able to fall in line and modernize in this area
   too.

3) Make sparc32 use generic clockevents, from Tkhai Kirill.

[ I fixed up the BPF rules, and tried to clean up the build rules too.
  But I don't have - or want - a sparc cross-build environment, so the
  BPF rule bug and the related build cleanup was all done with just a
  bare "make -n" pseudo-test.      - Linus ]

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next: (110 commits)
  sparc32: use flushi when run-time patching in per_cpu_patch
  sparc32: fix cpuid_patch run-time patching
  sparc32: drop unused inline functions in srmmu.c
  sparc32: drop unused functions in pgtsrmmu.h
  sparc32,leon: move leon mmu functions to leon_mm.c
  sparc32,leon: remove duplicate definitions in leon.h
  sparc32,leon: remove duplicate UART register definitions
  sparc32,leon: move leon ASI definitions to asi.h
  sparc32: move trap table to a separate file
  sparc64: renamed ttable.S to ttable_64.S
  sparc32: Remove asm/sysen.h header.
  sparc32: Delete asm/smpprim.h
  sparc32: Remove unused empty_bad_page{,_table} declarations.
  sparc32: Kill boot_cpu_id4
  sparc32: Move GET_PROCESSOR*_ID() out of asm/asmmacro.h
  sparc32: Remove completely unused code from asm/cache.h
  sparc32: Add ucmpdi2.o to obj-y instead of lib-y.
  sparc32: add ucmpdi2
  sparc: introduce arch/sparc/Kbuild
  sparc: remove obsolete documentation
  ...

1 files changed, 0 insertions, 116 deletions

diff --git a/arch/sparc/kernel/process_32.c b/arch/sparc/kernel/process_32.c
index efa07542e85..fe6787cc62f 100644
--- a/arch/sparc/kernel/process_32.c
+++ b/arch/sparc/kernel/process_32.c
@@ -67,8 +67,6 @@ struct thread_info *current_set[NR_CPUS];
 
 #ifndef CONFIG_SMP
 
-#define SUN4C_FAULT_HIGH 100
-
 /*
  * the idle loop on a Sparc... ;)
  */
@@ -76,36 +74,6 @@ void cpu_idle(void)
 {
 	/* endless idle loop with no priority at all */
 	for (;;) {
-		if (ARCH_SUN4C) {
-			static int count = HZ;
-			static unsigned long last_jiffies;
-			static unsigned long last_faults;
-			static unsigned long fps;
-			unsigned long now;
-			unsigned long faults;
-
-			extern unsigned long sun4c_kernel_faults;
-			extern void sun4c_grow_kernel_ring(void);
-
-			local_irq_disable();
-			now = jiffies;
-			count -= (now - last_jiffies);
-			last_jiffies = now;
-			if (count < 0) {
-				count += HZ;
-				faults = sun4c_kernel_faults;
-				fps = (fps + (faults - last_faults)) >> 1;
-				last_faults = faults;
-#if 0
-				printk("kernel faults / second = %ld\n", fps);
-#endif
-				if (fps >= SUN4C_FAULT_HIGH) {
-					sun4c_grow_kernel_ring();
-				}
-			}
-			local_irq_enable();
-		}
-
 		if (pm_idle) {
 			while (!need_resched())
 				(*pm_idle)();
@@ -114,7 +82,6 @@ void cpu_idle(void)
 				cpu_relax();
 		}
 		schedule_preempt_disabled();
-		check_pgt_cache();
 	}
 }
 
@@ -137,7 +104,6 @@ void cpu_idle(void)
 				cpu_relax();
 		}
 		schedule_preempt_disabled();
-		check_pgt_cache();
 	}
 }
 
@@ -179,88 +145,6 @@ void machine_power_off(void)
 	machine_halt();
 }
 
-#if 0
-
-static DEFINE_SPINLOCK(sparc_backtrace_lock);
-
-void __show_backtrace(unsigned long fp)
-{
-	struct reg_window32 *rw;
-	unsigned long flags;
-	int cpu = smp_processor_id();
-
-	spin_lock_irqsave(&sparc_backtrace_lock, flags);
-
-	rw = (struct reg_window32 *)fp;
-        while(rw && (((unsigned long) rw) >= PAGE_OFFSET) &&
-            !(((unsigned long) rw) & 0x7)) {
-		printk("CPU[%d]: ARGS[%08lx,%08lx,%08lx,%08lx,%08lx,%08lx] "
-		       "FP[%08lx] CALLER[%08lx]: ", cpu,
-		       rw->ins[0], rw->ins[1], rw->ins[2], rw->ins[3],
-		       rw->ins[4], rw->ins[5],
-		       rw->ins[6],
-		       rw->ins[7]);
-		printk("%pS\n", (void *) rw->ins[7]);
-		rw = (struct reg_window32 *) rw->ins[6];
-	}
-	spin_unlock_irqrestore(&sparc_backtrace_lock, flags);
-}
-
-#define __SAVE __asm__ __volatile__("save %sp, -0x40, %sp\n\t")
-#define __RESTORE __asm__ __volatile__("restore %g0, %g0, %g0\n\t")
-#define __GET_FP(fp) __asm__ __volatile__("mov %%i6, %0" : "=r" (fp))
-
-void show_backtrace(void)
-{
-	unsigned long fp;
-
-	__SAVE; __SAVE; __SAVE; __SAVE;
-	__SAVE; __SAVE; __SAVE; __SAVE;
-	__RESTORE; __RESTORE; __RESTORE; __RESTORE;
-	__RESTORE; __RESTORE; __RESTORE; __RESTORE;
-
-	__GET_FP(fp);
-
-	__show_backtrace(fp);
-}
-
-#ifdef CONFIG_SMP
-void smp_show_backtrace_all_cpus(void)
-{
-	xc0((smpfunc_t) show_backtrace);
-	show_backtrace();
-}
-#endif
-
-void show_stackframe(struct sparc_stackf *sf)
-{
-	unsigned long size;
-	unsigned long *stk;
-	int i;
-
-	printk("l0: %08lx l1: %08lx l2: %08lx l3: %08lx "
-	       "l4: %08lx l5: %08lx l6: %08lx l7: %08lx\n",
-	       sf->locals[0], sf->locals[1], sf->locals[2], sf->locals[3],
-	       sf->locals[4], sf->locals[5], sf->locals[6], sf->locals[7]);
-	printk("i0: %08lx i1: %08lx i2: %08lx i3: %08lx "
-	       "i4: %08lx i5: %08lx fp: %08lx i7: %08lx\n",
-	       sf->ins[0], sf->ins[1], sf->ins[2], sf->ins[3],
-	       sf->ins[4], sf->ins[5], (unsigned long)sf->fp, sf->callers_pc);
-	printk("sp: %08lx x0: %08lx x1: %08lx x2: %08lx "
-	       "x3: %08lx x4: %08lx x5: %08lx xx: %08lx\n",
-	       (unsigned long)sf->structptr, sf->xargs[0], sf->xargs[1],
-	       sf->xargs[2], sf->xargs[3], sf->xargs[4], sf->xargs[5],
-	       sf->xxargs[0]);
-	size = ((unsigned long)sf->fp) - ((unsigned long)sf);
-	size -= STACKFRAME_SZ;
-	stk = (unsigned long *)((unsigned long)sf + STACKFRAME_SZ);
-	i = 0;
-	do {
-		printk("s%d: %08lx\n", i++, *stk++);
-	} while ((size -= sizeof(unsigned long)));
-}
-#endif
-
 void show_regs(struct pt_regs *r)
 {
 	struct reg_window32 *rw = (struct reg_window32 *) r->u_regs[14];