Merge branch 'linus' into tracing/hw-breakpoints

Conflicts:
	arch/x86/Kconfig
	arch/x86/kernel/traps.c
	arch/x86/power/cpu.c
	arch/x86/power/cpu_32.c
	kernel/Makefile

Semantic conflict:
	arch/x86/kernel/hw_breakpoint.c

Merge reason: Resolve the conflicts, move from put_cpu_no_sched() to
              put_cpu() in arch/x86/kernel/hw_breakpoint.c.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

5 files changed, 6 insertions, 228 deletions

diff --git a/arch/sh/lib64/.gitignore b/arch/sh/lib64/.gitignore
deleted file mode 100644
index 3508c2c..0000000
--- a/arch/sh/lib64/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-syscalltab.h
diff --git a/arch/sh/lib64/dbg.c b/arch/sh/lib64/dbg.c
index 2fb8eaf..6152a6a 100644
--- a/arch/sh/lib64/dbg.c
+++ b/arch/sh/lib64/dbg.c
@@ -135,140 +135,6 @@ void print_itlb(void)
 	    (" =============================================================\n");
 }
 
-/* ======================================================================= */
-
-#ifdef CONFIG_POOR_MANS_STRACE
-
-#include "syscalltab.h"
-
-struct ring_node {
-	int evt;
-	int ret_addr;
-	int event;
-	int tra;
-	int pid;
-	unsigned long sp;
-	unsigned long pc;
-};
-
-static struct ring_node event_ring[16];
-static int event_ptr = 0;
-
-struct stored_syscall_data {
-	int pid;
-	int syscall_number;
-};
-
-#define N_STORED_SYSCALLS 16
-
-static struct stored_syscall_data stored_syscalls[N_STORED_SYSCALLS];
-static int syscall_next=0;
-static int syscall_next_print=0;
-
-void evt_debug(int evt, int ret_addr, int event, int tra, struct pt_regs *regs)
-{
-	int syscallno = tra & 0xff;
-	unsigned long sp;
-	unsigned long stack_bottom;
-	int pid;
-	struct ring_node *rr;
-
-	pid = current->pid;
-	stack_bottom = (unsigned long) task_stack_page(current);
-	asm volatile("ori r15, 0, %0" : "=r" (sp));
-	rr = event_ring + event_ptr;
-	rr->evt = evt;
-	rr->ret_addr = ret_addr;
-	rr->event = event;
-	rr->tra = tra;
-	rr->pid = pid;
-	rr->sp = sp;
-	rr->pc = regs->pc;
-
-	if (sp < stack_bottom + 3092) {
-		int i, j;
-		printk("evt_debug : stack underflow report\n");
-		for (j=0, i = event_ptr; j<16; j++) {
-			rr = event_ring + i;
-			printk("evt=%08x event=%08x tra=%08x pid=%5d sp=%08lx pc=%08lx\n",
-				rr->evt, rr->event, rr->tra, rr->pid, rr->sp, rr->pc);
-			i--;
-			i &= 15;
-		}
-		panic("STACK UNDERFLOW\n");
-	}
-
-	event_ptr = (event_ptr + 1) & 15;
-
-	if ((event == 2) && (evt == 0x160)) {
-		if (syscallno < NUM_SYSCALL_INFO_ENTRIES) {
-			/* Store the syscall information to print later.  We
-			 * can't print this now - currently we're running with
-			 * SR.BL=1, so we can't take a tlbmiss (which could occur
-			 * in the console drivers under printk).
-			 *
-			 * Just overwrite old entries on ring overflow - this
-			 * is only for last-hope debugging. */
-			stored_syscalls[syscall_next].pid = current->pid;
-			stored_syscalls[syscall_next].syscall_number = syscallno;
-			syscall_next++;
-			syscall_next &= (N_STORED_SYSCALLS - 1);
-		}
-	}
-}
-
-static void drain_syscalls(void) {
-	while (syscall_next_print != syscall_next) {
-		printk("Task %d: %s()\n",
-			stored_syscalls[syscall_next_print].pid,
-			syscall_info_table[stored_syscalls[syscall_next_print].syscall_number].name);
-			syscall_next_print++;
-			syscall_next_print &= (N_STORED_SYSCALLS - 1);
-	}
-}
-
-void evt_debug2(unsigned int ret)
-{
-	drain_syscalls();
-	printk("Task %d: syscall returns %08x\n", current->pid, ret);
-}
-
-void evt_debug_ret_from_irq(struct pt_regs *regs)
-{
-	int pid;
-	struct ring_node *rr;
-
-	pid = current->pid;
-	rr = event_ring + event_ptr;
-	rr->evt = 0xffff;
-	rr->ret_addr = 0;
-	rr->event = 0;
-	rr->tra = 0;
-	rr->pid = pid;
-	rr->pc = regs->pc;
-	event_ptr = (event_ptr + 1) & 15;
-}
-
-void evt_debug_ret_from_exc(struct pt_regs *regs)
-{
-	int pid;
-	struct ring_node *rr;
-
-	pid = current->pid;
-	rr = event_ring + event_ptr;
-	rr->evt = 0xfffe;
-	rr->ret_addr = 0;
-	rr->event = 0;
-	rr->tra = 0;
-	rr->pid = pid;
-	rr->pc = regs->pc;
-	event_ptr = (event_ptr + 1) & 15;
-}
-
-#endif /* CONFIG_POOR_MANS_STRACE */
-
-/* ======================================================================= */
-
 void show_excp_regs(char *from, int trapnr, int signr, struct pt_regs *regs)
 {
 
@@ -380,51 +246,3 @@ void show_excp_regs(char *from, int trapnr, int signr, struct pt_regs *regs)
 	print_dtlb();
 	print_itlb();
 }
-
-/* ======================================================================= */
-
-/*
-** Depending on <base> scan the MMU, Data or Instruction side
-** looking for a valid mapping matching Eaddr & asid.
-** Return -1 if not found or the TLB id entry otherwise.
-** Note: it works only for 4k pages!
-*/
-static unsigned long
-lookup_mmu_side(unsigned long base, unsigned long Eaddr, unsigned long asid)
-{
-	regType_t pteH;
-	unsigned long epn;
-	int count;
-
-	epn = Eaddr & 0xfffff000;
-
-	for (count = 0; count < MAX_TLBs; count++, base += TLB_STEP) {
-		pteH = getConfigReg(base);
-		if (GET_VALID(pteH))
-			if ((unsigned long) GET_EPN(pteH) == epn)
-				if ((unsigned long) GET_ASID(pteH) == asid)
-					break;
-	}
-	return ((unsigned long) ((count < MAX_TLBs) ? base : -1));
-}
-
-unsigned long lookup_dtlb(unsigned long Eaddr)
-{
-	unsigned long asid = get_asid();
-	return (lookup_mmu_side((u64) DTLB_BASE, Eaddr, asid));
-}
-
-unsigned long lookup_itlb(unsigned long Eaddr)
-{
-	unsigned long asid = get_asid();
-	return (lookup_mmu_side((u64) ITLB_BASE, Eaddr, asid));
-}
-
-void print_page(struct page *page)
-{
-	printk("  page[%p] -> index 0x%lx,  count 0x%x,  flags 0x%lx\n",
-	       page, page->index, page_count(page), page->flags);
-	printk("       address_space = %p, pages =%ld\n", page->mapping,
-	       page->mapping->nrpages);
-
-}
diff --git a/arch/sh/lib64/panic.c b/arch/sh/lib64/panic.c
index da32ba7..38c954e 100644
--- a/arch/sh/lib64/panic.c
+++ b/arch/sh/lib64/panic.c
@@ -6,53 +6,10 @@
  * for more details.
  */
 
-#include <linux/kernel.h>
-#include <asm/io.h>
-#include <cpu/registers.h>
-
-/* THIS IS A PHYSICAL ADDRESS */
-#define HDSP2534_ADDR (0x04002100)
-
-#ifdef CONFIG_SH_CAYMAN
-
-static void poor_mans_delay(void)
-{
-	int i;
-	for (i = 0; i < 2500000; i++) {
-	}		/* poor man's delay */
-}
-
-static void show_value(unsigned long x)
-{
-	int i;
-	unsigned nibble;
-	for (i = 0; i < 8; i++) {
-		nibble = ((x >> (i * 4)) & 0xf);
-
-		ctrl_outb(nibble + ((nibble > 9) ? 55 : 48),
-			  HDSP2534_ADDR + 0xe0 + ((7 - i) << 2));
-	}
-}
-
-#endif
-
 void
 panic_handler(unsigned long panicPC, unsigned long panicSSR,
 	      unsigned long panicEXPEVT)
 {
-#ifdef CONFIG_SH_CAYMAN
-	while (1) {
-		/* This piece of code displays the PC on the LED display */
-		show_value(panicPC);
-		poor_mans_delay();
-		show_value(panicSSR);
-		poor_mans_delay();
-		show_value(panicEXPEVT);
-		poor_mans_delay();
-	}
-#endif
-
 	/* Never return from the panic handler */
 	for (;;) ;
-
 }
diff --git a/arch/sh/lib64/sdivsi3.S b/arch/sh/lib64/sdivsi3.S
index 6a800c6..1963bbd 100644
--- a/arch/sh/lib64/sdivsi3.S
+++ b/arch/sh/lib64/sdivsi3.S
@@ -1,4 +1,6 @@
 	.global	__sdivsi3
+	.global	__sdivsi3_1
+	.global	__sdivsi3_2
 	.section	.text..SHmedia32,"ax"
 	.align	2
 
@@ -6,13 +8,15 @@
 	/* clobbered: r1,r18,r19,r20,r21,r25,tr0 */
 	/* result in r0 */
 __sdivsi3:
+__sdivsi3_1:
 	ptb __div_table,tr0
+	gettr tr0,r20
 
+__sdivsi3_2:
 	nsb r5, r1
 	shlld r5, r1, r25    /* normalize; [-2 ..1, 1..2) in s2.62 */
 	shari r25, 58, r21   /* extract 5(6) bit index (s2.4 with hole -1..1) */
 	/* bubble */
-	gettr tr0,r20
 	ldx.ub r20, r21, r19 /* u0.8 */
 	shari r25, 32, r25   /* normalize to s2.30 */
 	shlli r21, 1, r21
diff --git a/arch/sh/lib64/udelay.c b/arch/sh/lib64/udelay.c
index d76bd80..f215b06 100644
--- a/arch/sh/lib64/udelay.c
+++ b/arch/sh/lib64/udelay.c
@@ -33,7 +33,7 @@ void __delay(unsigned long loops)
 			     :"0"(loops));
 }
 
-inline void __const_udelay(unsigned long xloops)
+void __const_udelay(unsigned long xloops)
 {
 	__delay(xloops * (HZ * cpu_data[raw_smp_processor_id()].loops_per_jiffy));
 }